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2. Facteurs de risque de maladie veineuse thromboembolique chez les jeunes femmes en contexte hormonal: Risque de survenue d’une maladie thromboembolique veineuse chez les membres de la famille au 1er degré de femmes ayant une maladie veineuse thromboembolique en contexte hormonal : étude « FIT – H »

Author

Tromeur, C., Le Mao, R., Jego, P., El-Kouri, D., Gruel, Y., Pan-Petesch, B., Bertoletti, L., Morange, P.-E., Lemoigne, E., Paleiron, N., Leroyer, C., and Couturaud, F.

Published
2019
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3. Extended-Duration Betrixaban Reduces the Risk of Stroke Versus Standard-Dose Enoxaparin Among Hospitalized Medically Ill Patients

Author

Legkonogov, O., Ramacciotti, E., Mikhailova, E., Koryk, V., Adzerikho, I., Schoenerr, H., Mathies, R., Konig, J., Huber, K., Rubinfeld, A., Finfer, S., Manenti, E., Bott, M., Blessing, E., Beyer-Westendorf, J., Coughlin, P., Baker, R., Poy, C., Dengler, T., Parody, M., Oliva, M., Macin, S., Jure, H., Ferrari, A. E., Dziewas, R., Genth-Zotz, S., Hamann, F., Horacek, T., Klimpe, S., Mitkovskaya, N., Kroning, R., Lapp, H., Lawall, H., Licka, M., Rizos, T., Tiefenbacher, C., Weimar, C., Alkonyi, B., Falukozy, J., Futo, L., Katona, A., Berrouschot, J., Kirschner, R., Amann, B., Paposhvili, K., Pagava, Z., Kristof, P., Lakatos, F., Laszlo, Z., Freire, A., Lupkovics, G., Megreladze, I., Kobulia, B., Khintibidze, I., Khabeishvili, G., Datikashvili-David, I., Simoneau, G., Merkely, B., Andras, C. Nagy, Nemeth, L., Papp, A., Soltesz, P., Fiss, E., Schmidt, J., Roy, P-M., Quere, I., Proust, A., Pottier, P., Pernod, G., Payot, L., Bizzacchi, J. Annichino, Lienart, F., Paleiron, N., Montaclair, K., Mismetti, P., Messas, E., Lacroix, P., Grange, C., Falvo, N., El Kouri, D., Decoulx, E., Debourdeau, P., De Geeter, G., Brisot, D., Belhassane, A., Aquilanti, S., Agraou, B., Vikman, S., Tatlisumak, T., Saarinen, J., Kaaja, R., Honkaniemi, J., Airaksinen, J., Uuetoa, T., Lember, M., Urhammer, S., Tuxen, C., Storgaard, M., Lassen, M., Christensen, H., Vyhnanek, M., Vejvoda, J., Spacek, R., Reiterer, P., Podpera, I., Mikulova, J., Lang, P., Jajtner, P., Hubac, J., Horny, I., Holaj, R., Herold, M., Havelka, J., Francek, L., Dusek, J., Dunaj, M., Cizek, V., Chochola, J., Chlumsky, J., Cermak, O., Skerk, V., Vagic, J. Sikic, Marusic, S., Knezevic, A., Kalinic-Grgorinic, H., Jakopovic, M., Francetic, I., Ciglenecki, N., Car, S., Butkovic-Soldo, S., Cardenas, S. Potthoff, Lazcano, M. Opazo, Alarcon, M. Arias, Verreault, S., Provencher, S., Pearce, M., Le Gal, G., Douketis, J., Dhar, A., Tokmakova, M., Todorov, G., Syulemzova, S., Raymuno, S., Rocha, A., Dimov, B., Grigorov, M., Kalpachki, R., Kamenova, Z., Bello, F., Harrington, Robert A., Bandman, Olga, Kostadinova, M., Milanova, M., Dive, A., Pencheva, G., Sudar, Z., Szabo, G., Szegedi, N., Timar, G., Valco, J., Delforge, M., Vertes, A., Efrati, S., Elias, M., Gafter, A., Nazliel, BİJEN, Hayek, T., Hussein, O., Lishner, M., Lugassy, G., Cerveri, I., D'Angelo, A., De Pellegrin, A., Imberti, D., Landolfi, R., Runev, N., Lembo, G., Lodigiani, C., Moia, M., Molteni, M., Mumoli, N., Novo, S., Orlandini, F., Stoeva, N., Parisi, R., Pizzini, A., Pomero, F., Salvi, A., Schenone, A., Gold, Alex, Visona, A., Martinova, V., Pontaga, N., Rozitis, V., Stukena, I., Alekniene, B., Basijokiene, V., Butkiene, Z., Griskeviciene, V., Naudziunas, A., Stoyanov, M., Norvaisiene, R., Norviliene, R., Petrauskiene, R., Poskiene, R., Susinskiene, D., Valavicius, A., Castillo Leon, R., Pimanov, S., Polonetsy, L., Pereyra, R. Cotrina, Karlo, L. Farjardo, Horna, M., Soroka, N., Salas, M., Yanez, L. Toche, Fryze, W., Gaciong, Z., Gniot, J., Gorecka, D., Gruenpeter, P., Grzelakowski, P., Jastrzebski, D., Kucharski, L., Mirek-Bryniarska, E., Pulkowski, G., Sobkowicz, B., Sulik, P., Walasek, L., Blockmans, D., Waldemar, K., Wrzesinski, K., Balogh, Z. E., Bojinca, M., Marin, I., Musetescu, R., Podoleanu, C., Popescu, M., Stamate, S., Stanciulescu, G., Vida-Simiti, L., Abashev, A., Andreev, D., Apartsin, K., Arkhipov, M., Averkov, O., Barbarash, O., Belskaya, G., Bogdanov, E., Boldueva, S., Chefranova, Z., Dovgalevskiy, Y., Ershova, O., Goloshchekin, B., Khachatryan, N., Klein, G., Kobalava, Z., Kosmacheva, E., Kostenko, V., Malygin, A., Martynenko, T., Martynenko, V., Maslova, N., Mordovin, V., Nikolaev, K., Nilk, R., Popov, D., Privalova, E., Reshetko, O., Shapovalova, Y., Shpagina, L., Shvarts, Y., Simanenkov, V., Solovyov, O., Vishneva, E., Vishnevskiy, A., Apostolovic, S., Celic, V., Ilic, S., Kovacevic-Kuzmanovic, A., Miloradovic, V., Bodikova, S., Cervenakova, A., Dvorak, M., Herman, O., Hrubon, A., Kokles, M., Krastev, G., Payer, J., Prokop, D., Spisakova, M., Adler, D., Basson, M., Breedt, J., Engelbrecht, J., Mitha, I., Van Dyk, C., Alvarez Sala, L. A., Barbagelata Lopez, C., Bisbe, J., Castro Guardiola, A., Cepeda, J. M., Cereto, F., Diaz Santos, E., Ferrer, R., Gomez Cerezo, J., Hernandez, Adrian F., Gonzales-Porras, J. R., Grandes, J., Cohen, Alexander T., Gibson, C. Michael, Chi, Gerald, Halaby, Rim, Korjian, Serge, Daaboul, Yazan, Jain, Purva, Arbetter, Douglas, Goldhaber, Samuel Z., Hull, Russel, Jimenez, D., Mellibovsky, L., Richart, C., Riera, A., Trujillo, J., Vargas Nunez, J. A., Villalta, J., Akgul, O., Guneri, S., Kilichesmez, K., Kirma, C., Kutluk, H., Okumus, G., Tigen, K., Topcuoglu, M., Tuncay, E., Abrahamovych, O., Batushkin, V., Brozhyk, J., Burmak, I., Godlevska, O., Goloborodko, A., Goloborodko, B., Goncharova, Y., Gryb, V., Karpenko, O., Kopytsya, M., Zakai, N., Yousef, K., Wichman, T., Whitman, B., Welker, J., Welch, M., Warner, A., Updegrove, J., Tuck, M., Stoltz, S., Sokol, S., Sharma, S., Shammas, N., Saba, F., Rodriguez, W., Rees, C., Rastogi, P., Rajan, R., Quintana, O., Pullman, J., Pratt, R., Pineda, L., Pearl, R., Parthiban, K., Overcash, J., Ortel, T., Ohaju, V., Nadar, V., Mittal, M., Milling, T., McLaren, G., Margolis, B., Mahal, S., Macchiavelli, A., Lopez, J., Lerner, R., Kung, M., Kouras, F., Kazimir, M., Kao, C-K., Kabler, H., Ioachimescu, O., Hazelrigg, M., Hamad, A., Haidar, A., Hahn, B., Goytia-Leos, D., Gaggin, H., Fulmer, J., Koshlia, V., Fraiz, J., Krakhmalova, O., Fermann, G., Farley, B., Doshi, A., Dhingra, R., Cornell, J., Concha, M., Clark, C., Chang, H., Carman, T., Bidair, M., Bercz, P., Bastani, A., Barney, J., Baker, S., Anderson, C., Amin, M., Almasri, E., Natarajan, I., McCollum, C., MacCallum, P., Davis, M., Body, R., Yagensky, A., Voronkov, L., Vishnivestsky, I., Vakaliuk, I., Ursol, G., Tseluyko, V., Kyrychenko, I., Svyshchenko, Y., Svyridova, I., Ryabichenko, T., Rudenko, L., Reshotko, D., Perepeliuk, M., Parkhomenko, O., Nikonov, V., Maslovaskyi, V., Malynovsky, Y., Sergeeva, E., and Kolman, P.

Subjects
Male, medicine.medical_specialty, Pyridines, Intracranial Hemorrhages, 030204 cardiovascular system & hematology, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Medical illness, Physiology (medical), medicine, Humans, 030212 general & internal medicine, Enoxaparin, Intensive care medicine, Stroke, Aged, business.industry, Anticoagulants, Venous Thromboembolism, medicine.disease, Thrombosis, chemistry, Betrixaban, Benzamides, Emergency medicine, Female, Cardiology and Cardiovascular Medicine, business, Complication, Venous thromboembolism
Abstract

Background: Stroke is a morbid and potentially mortal complication among patients hospitalized with acute medical illness. The potential of extended-duration thromboprophylaxis with the factor Xa inhibitor betrixaban to reduce the risk of stroke compared with standard-dose enoxaparin in this population was assessed in this retrospective APEX trial substudy (Acute Medically Ill Venous Thromboembolism Prevention With Extended Duration Betrixaban). Methods: Hospitalized acutely medically ill subjects (n=7513) were randomized in a double-dummy double-blind fashion to either extended-duration oral betrixaban (80 mg once daily for 35–42 days) or standard-dose subcutaneous enoxaparin (40 mg once daily for 10±4 days) for venous thromboprophylaxis. Stroke events were adjudicated by an independent, blinded event adjudication committee. Results: The mean age of study participants was 76 years; 45% were male; 13% had had a stroke; and 45% had congestive heart failure. There were fewer all-cause strokes (0.54% versus 0.97%; relative risk [RR]=0.56; 95% confidence interval, 0.32–0.96; P =0.032; adjusted RR=0.43%; number needed to treat=233) and ischemic strokes (0.48% versus 0.91%; RR=0.53; 95% confidence interval, 0.30–0.94; P =0.026; adjusted RR=0.43%; number needed to treat=233) among patients treated with betrixaban versus enoxaparin through 77 days of follow-up. Among high-risk subjects, those with congestive heart failure or ischemic stroke as their index event, betrixaban reduced the risk of all-cause stroke (0.72% versus 1.48%; RR=0.49; 95% confidence interval, 0.26–0.90; P =0.019; adjusted RR=0.76%; number needed to treat=132) and ischemic stroke (0.63% versus 1.38%; RR=0.45; 95% confidence interval, 0.24–0.87; P =0.014; adjusted RR=0.75%; number needed to treat=134) compared with enoxaparin. Conclusions: Among hospitalized medically ill patients, extended-duration betrixaban significantly reduced all-cause stroke and ischemic stroke through 77 days of follow-up Clinical Trial Registration: URL: http://www.clinicaltrials.gov . Unique identifier: NCT01583218.

Published
2017
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9. Comparison of Fatal or Irreversible Events With Extended-Duration Betrixaban Versus Standard Dose Enoxaparin in Acutely III Medical Patients: An APEX Trial Substudy

Author

Gibson, C. M., Korjian, S., Chi, G., Daaboul, Y., Jain, P., Arbetter, D., Goldhaber, S. Z., Hull, R., Hernandez, A. F., Lopes, R. D., Gold, A., Cohen, A. T., Harrington, R. A., Bello, F., Ferrari, A. E., Jure, H., Macin, S., Oliva, M., Parody, M., Poy, C., Baker, R., Colquhoun, D., Coughlin, P., Finfer, S., Hammerschlag, G., Rubinfeld, A., Huber, K., Konig, J., Mathies, R., Pilger, E., Schoenerr, H., Adzerikho, I., Koryk, V., Mikhailova, E., Mitkovskaya, N., Pimanov, S., Polonetsy, L., Soroka, N., Blockmans, D., Delforge, M., Dive, A., Lienart, F., Motte, S., Annichino Bizzacchi, J., Fiss, E., Freire, A., Manenti, E., Ramacciotti, E., Raymuno, S., Rocha, A., Saraiva, J. F., Dimov, B., Grigorov, M., Kalpachki, R., Kamenova, Z., Kostadinova, M., Milanova, M., Mincheva, V., Pencheva, G., Raev, D., Runev, N., Stoeva, N., Stoyanov, M., Syulemzova, S., Todorov, G., Tokmakova, M., Dhar, A., Douketis, J., Kahn, S., Le Gal, G., Pearce, M., Provencher, S., Verreault, S., Arias Alarcon, M., Olivares Canon, C., Opazo Lazcano, M., Potthoff Cardenas, S., Butkovic-Soldo, S., Car, S., Ciglenecki, N., Francetic, I., Jakopovic, M., Kalinic-Grgorinic, H., Knezevic, A., Malojcic, B., Marusic, S., Sikic Vagic, J., Skerk, V., Cermak, O., Cervinka, P., Chlumsky, J., Chochola, J., Cizek, V., Dunaj, M., Dusek, J., Francek, L., Havelka, J., Herold, M., Holaj, R., Horny, I., Hubac, J., Jajtner, P., Kolman, P., Lang, P., Mayer, O., Mikulova, J., Podpera, I., Reiterer, P., Spacek, R., Vejvoda, J., Vyhnanek, M., Christensen, H., Lassen, M., Storgaard, M., Tuxen, C., Urhammer, S., Lember, M., Marandi, T., Uuetoa, T., Airaksinen, J., Honkaniemi, J., Kaaja, R., Lassila, R., Saarinen, J., Tatlisumak, T., Vikman, S., Agraou, B., Aquilanti, S., Belhassane, A., Brisot, D., De Geeter, G., Debourdeau, P., Decoulx, E., El Kouri, D., Falvo, N., Grange, C., Lacroix, P., Messas, E., Mismetti, P., Montaclair, K., Mottier, D., Paleiron, N., Payot, L., Pernod, G., Pottier, P., Proust, A., Quere, I., Roy, P. -M., Schmidt, J., Simoneau, G., Datikashvili-David, I., Khabeishvili, G., Khintibidze, I., Kobulia, B., Megreladze, I., Pagava, Z., Paposhvili, K., Shaburishvili, T., Amann, B., Berrouschot, J., Beyer-Westendorf, J., Blessing, E., Bott, M., Dengler, T., Diehm, C., Dziewas, R., Genth-Zotz, S., Hamann, F., Horacek, T., Klimpe, S., Kroning, R., Lapp, H., Lawall, H., Licka, M., Rizos, T., Schellong, S., Schmidt-Lucke, J., Singer, C., Tiefenbacher, C., Veltkamp, R., Weimar, C., Zeymer, U., Alkonyi, B., Falukozy, J., Futo, L., Katona, A., Kirschner, R., Kristof, P., Lakatos, F., Laszlo, Z., Lupkovics, G., Merkely, B., Nagy Andras, C., Nemeth, L., Papp, A., Soltesz, P., Sudar, Z., Szabo, G., Szegedi, N., Timar, G., Valco, J., Vertes, A., Efrati, S., Elias, M., Gafter, A., Hayek, T., Hussein, O., Lishner, M., Lugassy, G., Zeltser, D., Ageno, W., Cerveri, I., D'Angelo, A., De Pellegrin, A., Imberti, D., Landolfi, R., Lembo, G., Lodigiani, C., Luisetti, M., Moia, M., Molteni, M., Mumoli, N., Novo, S., Orlandini, F., Parisi, R., Pizzini, A., Pomero, F., Salvi, A., Schenone, A., Visona, A., Krievins, D., Martinova, V., Pontaga, N., Rozitis, V., Stukena, I., Alekniene, B., Bagdonas, A., Basijokiene, V., Butkiene, Z., Griskeviciene, V., Naudziunas, A., Norvaisiene, R., Norviliene, R., Petrauskiene, R., Poskiene, R., Susinskiene, D., Valavicius, A., Castillo Leon, R., Cotrina Pereyra, R., Farjardo Karlo, L., Horna, M., Lema Osores, J., Salas, M., Toche Yanez, L., Fryze, W., Gaciong, Z., Gniot, J., Gorecka, D., Gruenpeter, P., Grzelakowski, P., Jastrzebski, D., Kucharski, L., Mirek-Bryniarska, E., Pulkowski, G., Sobkowicz, B., Sulik, P., Tomkowski, W., Walasek, L., Waldemar, K., Wrzesinski, K., Balogh, Z. E., Bojinca, M., Marin, I., Mot, S., Musetescu, R., Podoleanu, C., Popescu, M., Stamate, S., Stanciulescu, G., Vida-Simiti, L., Abashev, A., Andreev, D., Apartsin, K., Arkhipov, M., Averkov, O., Barbarash, O., Belskaya, G., Bogdanov, E., Boldueva, S., Chefranova, Z., Dovgalevskiy, Y., Ershova, O., Goloshchekin, B., Khachatryan, N., Khurs, E., Klein, G., Kobalava, Z., Kosmacheva, E., Kostenko, V., Malygin, A., Martynenko, T., Martynenko, V., Maslova, N., Mordovin, V., Nikolaev, K., Nilk, R., Panchenko, E., Popov, D., Privalova, E., Reshetko, O., Sergeeva, E., Shapovalova, Y., Shpagina, L., Shvarts, Y., Simanenkov, V., Solovyov, O., Vishneva, E., Vishnevskiy, A., Apostolovic, S., Celic, V., Ilic, S., Kovacevic-Kuzmanovic, A., Miloradovic, V., Tan, R. S., Bodikova, S., Cervenakova, A., Dvorak, M., Gaspar, L., Herman, O., Hrubon, A., Kokles, M., Krastev, G., Payer, J., Prokop, D., Spisakova, M., Adler, D., Basson, M., Breedt, J., Engelbrecht, J., Jacobson, B., Mitha, I., Van Dyk, C., Alvarez Sala, L. A., Barbagelata Lopez, C., Bisbe, J., Castro Guardiola, A., Cepeda, J. M., Cereto, F., Diaz Santos, E., Ferrer, R., Gomez Cerezo, J., Gonzales-Porras, J. R., Grandes, J., Jimenez, D., Martin Loeches, I., Mellibovsky, L., Richart, C., Riera, A., Trujillo, J., Vargas Nunez, J. A., Villalta, J., Akgul, O., Guneri, S., Kilichesmez, K., Kirma, C., Kutluk, H., Nazliel, B., Okumus, G., Ongen, G., Tigen, K., Topcuoglu, M., Tuncay, E., Abrahamovych, O., Batushkin, V., Brozhyk, J., Burmak, I., Godlevska, O., Goloborodko, A., Goloborodko, B., Goncharova, Y., Gryb, V., Karpenko, O., Kopytsya, M., Koshlia, V., Krakhmalova, O., Kyrychenko, I., Legkonogov, O., Malynovsky, Y., Maslovaskyi, V., Nikonov, V., Parkhomenko, O., Perepeliuk, M., Reshotko, D., Rudenko, L., Ryabichenko, T., Svyridova, I., Svyshchenko, Y., Tseluyko, V., Ursol, G., Vakaliuk, I., Vishnivestsky, I., Voronkov, L., Yagensky, A., Body, R., Chandra, D., Davis, M., Kesteven, P., Maccallum, P., Mccollum, C., Natarajan, I., Almasri, E., Amin, M., Anderson, C., Baker, S., Barney, J., Bastani, B. B. A., Bercz, P., Bidair, M., Carman, T., Chang, H., Clark, C., Concha, M., Cornell, J., Dhingra, R., Doshi, A., Ebrahimi, R., Farley, B., Fermann, G., Foster, G., Fraiz, J., Fulmer, J., Gaggin, H., Goytia-Leos, D., Hahn, B., Haidar, A., Hamad, A., Hazelrigg, M., Ioachimescu, O., Johnson, B., Kabler, H., Kao, C. -K., Kazimir, M., Kouras, F., Kung, M., Lerner, R., Lopez, J., Macchiavelli, A., Mahal, S., Margolis, B., Mclaren, G., Milling, T., Mittal, M., Nadar, V., Ohaju, V., Ortel, T., Overcash, J., Parthiban, K., Pearl, R., Pineda, L., Pratt, R., Pullman, J., Quintana, O., Rajan, R., Rastogi, P., Rees, C., Rodriguez, W., Saba, F., Shammas, N., Sharma, S., Sokol, S., Stoltz, S., Subich, D., Tuck, M., Updegrove, J., Warner, A., Welch, M., Welker, J., Whitman, B., Wichman, T., Yousef, K., Yusen, R., and Zakai, N.

Subjects
Male, pulmonary embolism, Time Factors, Pyridines, Intracranial hemorrhage, Kaplan-Meier Estimate, 030204 cardiovascular system & hematology, law.invention, chemistry.chemical_compound, 0302 clinical medicine, Randomized controlled trial, law, Risk Factors, Clinical Studies, Medicine, 030212 general & internal medicine, Myocardial infarction, Original Research, Ischemic stroke, Hazard ratio, Absolute risk reduction, Venous Thromboembolism, Middle Aged, Interventional Cardiology, Pulmonary embolism, Death, myocardial infarction, Treatment Outcome, Cardiovascular Diseases, Anesthesia, Acute Disease, Benzamides, Number needed to treat, Female, Cardiology and Cardiovascular Medicine, Intracranial Hemorrhages, Adult, venous thromboembolism, Hemorrhage, 03 medical and health sciences, Double-Blind Method, death, ischemic stroke, Humans, Enoxaparin, Aged, Proportional Hazards Models, Inpatients, Venous thromboembolism, business.industry, Settore MED/09 - MEDICINA INTERNA, Anticoagulants, Thrombosis, medicine.disease, Clinical trial, chemistry, Betrixaban, business, Acute Coronary Syndromes, intracranial hemorrhage, Factor Xa Inhibitors
Abstract

Background Extended‐duration betrixaban showed a significant reduction in venous thromboembolism in the APEX trial (Acute Medically Ill VTE Prevention With Extended Duration Betrixaban Study). Given the variable clinical impact of different efficacy and safety events, one approach to assess net clinical outcomes is to include only those events that are either fatal or cause irreversible harm. Methods and Results This was a post hoc analysis of the APEX trial—a multicenter, double‐blind, randomized controlled trial comparing extended‐duration betrixaban versus standard‐of‐care enoxaparin. A composite of all fatal or irreversible safety (fatal bleeding or intracranial hemorrhage) and efficacy events (cardiopulmonary death, myocardial infarction, pulmonary embolism, and ischemic stroke) was evaluated in a time‐to‐first event analysis. In patients with positive D‐dimer results, betrixaban reduced fatal or irreversible events at 35 to 42 days (4.80% versus 3.54%; hazard ratio, 0.73; absolute risk reduction, 1.26%; number needed to treat, 79 [ P =0.033]) and at study end at 77 days (6.27% versus 4.36%; hazard ratio, 0.70; absolute risk reduction, 1.91%; number needed to treat, 52 [ P =0.005]) versus enoxaparin. In all patients, betrixaban reduced fatal or irreversible events at 35 to 42 days (4.08% versus 2.90%; hazard ratio, 0.71; absolute risk reduction, 1.18%; number needed to treat, 86 [ P =0.006]) and 77 days (5.17% versus 3.64%; hazard ratio, 0.70; absolute risk reduction, 1.53%; number needed to treat, 65 [ P =0.002]). Conclusions Among hospitalized medically ill patients, extended‐duration betrixaban demonstrated an ≈30% reduction in fatal or irreversible ischemic or bleeding events compared with standard‐duration enoxaparin. A total of 65 patients would require treatment with betrixaban to prevent 1 fatal or irreversible event versus enoxaparin. Clinical Trial Registration URL : http://www.ClinicalTrials.gov . Unique identifier: NCT 01583218.

Published
2017

10. The safety and efficacy of full- versus reduced-dose betrixaban in the Acute Medically Ill VTE (Venous Thromboembolism) Prevention With Extended-Duration Betrixaban (APEX) trial

Author

Raymuno, S., Ramacciotti, E., Manenti, E., Freire, A., Fiss, E., Bizzacchi, J. Annichino, Lienart, F., Dive, A., Delforge, M., Blockmans, D., Soroka, N., Kamenova, Z., Kostadinova, M., Milanova, M., Pencheva, G., Runev, N., Stoeva, N., Stoyanov, M., Syulemzova, S., Todorov, G., Polonetsy, L., Pimanov, S., Mitkovskaya, N., Tokmakova, M., Dhar, A., Mikhailova, E., Koryk, V., Adzerikho, I., Schoenerr, H., Mathies, R., Douketis, J., Konig, J., Le Gal, G., Pearce, M., Provencher, S., Verreault, S., Alarcon, M. Arias, Lazcano, M. Opazo, Cardenas, S. Potthoff, Butkovic-Soldo, S., Car, S., Ciglenecki, N., Francetic, I., Jakopovic, M., Kalinic-Grgorinic, H., Knezevic, A., Marusic, S., Vagic, J. Sikic, Skerk, V., Cermak, O., Gibson, C. Michael, Halaby, Rim, Korjian, Serge, Daaboul, Yazan, Arbetter, Douglas F., Yee, Megan K., Chlumsky, J., Chochola, J., Cizek, V., Goldhaber, Samuel Z., Hull, Russel, Hernandez, Adrian F., Huber, K., Lu, Shiao-ping, Dunaj, M., Dusek, J., Francek, L., Havelka, J., Herold, M., Holaj, R., Nazliel, BİJEN, Bandman, Olga, Leeds, Janet M., Gold, Alex, Harrington, Robert A., Bello, F., Ferrari, A. E., Jure, H., Macin, S., Oliva, M., Parody, M., Horny, I., Hubac, J., Jajtner, P., Kolman, P., Poy, C., Baker, R., Lang, P., Mikulova, J., Podpera, I., Reiterer, P., Spacek, R., Vejvoda, J., Vyhnanek, M., Christensen, H., Lassen, M., Storgaard, M., Tuxen, C., Urhammer, S., Lember, M., Uuetoa, T., Airaksinen, J., Honkaniemi, J., Kaaja, R., Saarinen, J., Tatlisumak, T., Vikman, S., Agraou, B., Aquilanti, S., Belhassane, A., Brisot, D., De Geeter, G., Coughlin, P., Finfer, S., Debourdeau, P., Decoulx, E., El Kouri, D., Falvo, N., Grange, C., Rubinfeld, A., Lacroix, P., Messas, E., Mismetti, P., Montaclair, K., Paleiron, N., Payot, L., Zakai, N., Yousef, K., Wichman, T., Whitman, B., Welker, J., Welch, M., Warner, A., Updegrove, J., Tuck, M., Stoltz, S., Sokol, S., Sharma, S., Shammas, N., Saba, F., Rodriguez, W., Rastogi, P., Rajan, R., Quintana, O., Pullman, J., Pratt, R., Pineda, L., Pernod, G., Pearl, R., Parthiban, K., Ortel, T., Ohaju, V., Pottier, P., Proust, A., Quere, I., Roy, P-M., Schmidt, J., Simoneau, G., Datikashvili-David, I., Khabeishvili, G., Khintibidze, I., Nadar, V., Mittal, M., Milling, T., McLaren, G., Margolis, B., Mahal, S., Macchiavelli, A., Lopez, J., Lerner, R., Kung, M., Kouras, F., Kazimir, M., Kao, C-K., Kabler, H., Ioachimescu, O., Hazelrigg, M., Hamad, A., Haidar, A., Hahn, B., Goytia-Leos, D., Gaggin, H., Fulmer, J., Fraiz, J., Fermann, G., Farley, B., Doshi, A., Dhingra, R., Cornell, J., Concha, M., Clark, C., Chang, H., Carman, T., Bidair, M., Bercz, P., Bastani, A., Barney, J., Baker, S., Anderson, C., Amin, M., Almasri, E., Natarajan, I., McCollum, C., MacCallum, P., Davis, M., Body, R., Yagensky, A., Voronkov, L., Vishnivestsky, I., Vakaliuk, I., Ursol, G., Tseluyko, V., Svyshchenko, Y., Svyridova, I., Ryabichenko, T., Rudenko, L., Reshotko, D., Perepeliuk, M., Parkhomenko, O., Nikonov, V., Maslovaskyi, V., Malynovsky, Y., Legkonogov, O., Kyrychenko, I., Krakhmalova, O., Koshlia, V., Kopytsya, M., Karpenko, O., Gryb, V., Goncharova, Y., Goloborodko, B., Goloborodko, A., Godlevska, O., Burmak, I., Brozhyk, J., Batushkin, V., Abrahamovych, O., Tuncay, E., Topcuoglu, M., Tigen, K., Okumus, G., Kutluk, H., Kirma, C., Kilichesmez, K., Guneri, S., Akgul, O., Villalta, J., Vargas Nunez, J. A., Trujillo, J., Riera, A., Richart, C., Mellibovsky, L., Jimenez, D., Grandes, J., Gonzales-Porras, J. R., Gomez Cerezo, J., Ferrer, R., Diaz Santos, E., Cereto, F., Cepeda, J. M., Castro Guardiola, A., Bisbe, J., Barbagelata Lopez, C., Alvarez Sala, L. A., Van Dyk, C., Mitha, I., Engelbrecht, J., Breedt, J., Basson, M., Adler, D., Spisakova, M., Payer, J., Krastev, G., Kokles, M., Hrubon, A., Herman, O., Dvorak, M., Cervenakova, A., Bodikova, S., Miloradovic, V., Kovacevic-Kuzmanovic, A., Ilic, S., Celic, V., Apostolovic, S., Vishnevskiy, A., Vishneva, E., Solovyov, O., Simanenkov, V., Shvarts, Y., Shpagina, L., Shapovalova, Y., Sergeeva, E., Reshetko, O., Privalova, E., Popov, D., Nilk, R., Nikolaev, K., Mordovin, V., Maslova, N., Martynenko, V., Martynenko, T., Malygin, A., Kostenko, V., Kosmacheva, E., Kobalava, Z., Klein, G., Khachatryan, N., Ershova, O., Dovgalevskiy, Y., Chefranova, Z., Boldueva, S., Bogdanov, E., Belskaya, G., Barbarash, O., Averkov, O., Arkhipov, M., Apartsin, K., Andreev, D., Abashev, A., Vida-Simiti, L., Stanciulescu, G., Stamate, S., Kobulia, B., Megreladze, I., Pagava, Z., Paposhvili, K., Amann, B., Beyer-Westendorf, J., Blessing, E., Bott, M., Dengler, T., Dziewas, R., Genth-Zotz, S., Hamann, F., Horacek, T., Klimpe, S., Kroning, R., Lapp, H., Lawall, H., Licka, M., Rizos, T., Tiefenbacher, C., Weimar, C., Alkonyi, B., Falukozy, J., Futo, L., Katona, A., Kirschner, R., Kristof, P., Lakatos, F., Lupkovics, G., Merkely, B., Andras, C. Nagy, Nemeth, L., Papp, A., Soltesz, P., Sudar, Z., Szabo, G., Szegedi, N., Timar, G., Valco, J., Vertes, A., Efrati, S., Elias, M., Gafter, A., Hayek, T., Hussein, O., Lishner, M., Lugassy, G., Cerveri, I., D'Angelo, A., De Pellegrin, A., Imberti, D., Landolfi, R., Lembo, G., Lodigiani, C., Moia, M., Molteni, M., Mumoli, N., Novo, S., Orlandini, F., Parisi, R., Pizzini, A., Pomero, F., Salvi, A., Schenone, A., Visona, A., Martinova, V., Pontaga, N., Rozitis, V., Stukena, I., Alekniene, B., Basijokiene, V., Butkiene, Z., Griskeviciene, V., Naudziunas, A., Norvaisiene, R., Norviliene, R., Petrauskiene, R., Poskiene, R., Susinskiene, D., Valavicius, A., Castillo Leon, R., Pereyra, R. Cotrina, Karlo, L. Farjardo, Horna, M., Salas, M., Yanez, L. Toche, Fryze, W., Gaciong, Z., Gniot, J., Gorecka, D., Gruenpeter, P., Grzelakowski, P., Jastrzebski, D., Kucharski, L., Mirek-Bryniarska, E., Pulkowski, G., Sobkowicz, B., Sulik, P., Walasek, L., Waldemar, K., Wrzesinski, K., Balogh, Z. E., Bojinca, M., Marin, I., Musetescu, R., Podoleanu, C., Popescu, M., Kalpachki, R., Grigorov, M., Dimov, B., Rocha, A., Goloshchekin, B., Berrouschot, J., Laszlo, Z., Rees, C., Overcash, J., Prokop, D., and Cohen, Alexander T.

Subjects
Relative risk reduction, Male, Pyridines, Population, Hemorrhage, 030204 cardiovascular system & hematology, law.invention, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Pharmacokinetics, Randomized controlled trial, Double-Blind Method, law, Medicine, Humans, 030212 general & internal medicine, Dosing, Enoxaparin, education, Aged, Aged, 80 and over, Venous Thrombosis, education.field_of_study, business.industry, Absolute risk reduction, Anticoagulants, Venous Thromboembolism, Hospitalization, chemistry, Concomitant, Betrixaban, Anesthesia, Benzamides, Female, Cardiology and Cardiovascular Medicine, business, Pulmonary Embolism, Factor Xa Inhibitors
Abstract

The APEX trial assessed the safety and efficacy of extended-duration thromboprophylaxis using betrixaban versus standard dosing of enoxaparin among hospitalized, acutely ill medical patients. The 80-mg betrixaban dose was halved to 40 mg among subjects with severe renal insufficiency and those receiving a concomitant strong P-glycoprotein inhibitor.This analysis assessed the pharmacokinetics, efficacy, and safety of full- (80 mg) and reduced-dose (40 mg) betrixaban relative to enoxaparin in the APEX trial.The median concentration of betrixaban among subjects administered the 80-mg dose was higher than that of the 40-mg dose (19 ng/mL vs 11 ng/mL, P.001). In the primary analysis cohort 1 (d-dimer ≥2× upper limit of normal), the primary efficacy outcome (asymptomatic proximal deep vein thrombosis, symptomatic proximal or distal deep vein thrombosis, symptomatic nonfatal pulmonary embolism, or venous thromboembolism-related death) was significantly reduced among subjects treated with 80 mg of extended-duration betrixaban versus enoxaparin (6.27% [95/1516] vs 8.39% [130/1549], relative risk reduction=0.26 [0.04-0.42], P=.023), and similarly in the entire primary efficacy outcome population (4.87% [122/2506] vs 7.06% [181/2562], relative risk reduction=0.30 [0.13-0.44], P=.001). There was no difference in the primary outcome for subjects treated with 40 mg betrixaban vs enoxaparin across cohorts. In addition, there was no excess of major bleeding associated with either betrixaban dose compared with enoxaparin.The 80-mg betrixaban dose achieves higher plasma concentrations than the 40-mg dose and, in contrast to the 40-mg dose, is associated with improved efficacy across all cohorts relative to standard-dose enoxaparin without an excess risk of major bleeding in the management of medically ill subjects.

Published
2016

11. Extended Thromboprophylaxis with Betrixaban in Acutely Ill Medical Patients

Author

Engelbrecht, J., Finfer, S., Van Dyk, C., Cohen, Alexander, Grandes, J., Cepeda, J. M., NAZLIEL, BİJEN, Cohen, Alexander T., Efrati, S., Zakai, N., Yousef, K., Wichman, T., Whitman, B., Welker, J., Welch, M., Warner, A., Updegrove, J., Tuck, M., Stoltz, S., Sokol, S., Sharma, S., Shammas, N., Saba, F., Rodriguez, W., Rees, C., Rastogi, P., Rajan, R., Quintana, O., Pullman, J., Pratt, R., Pineda, L., Pearl, R., Parthiban, K., Overcash, J., Ortel, T., Ohaju, V., Nadar, V., Mittal, M., Milling, T., McLaren, G., Margolis, B., Mahal, S., Macchiavelli, A., Lopez, J., Lerner, R., Kung, M., Kouras, F., Kazimir, M., Kao, C-K., Kabler, H., Ioachimescu, O., Hazelrigg, M., Hamad, A., Haidar, A., Hahn, B., Goytia-Leos, D., Gaggin, H., Fulmer, J., Fraiz, J., Fermann, G., Farley, B., Doshi, A., Dhingra, R., Cornell, J., Concha, M., Clark, C., Chang, H., Carman, T., Bidair, M., Bercz, P., Bastani, A., Barney, J., Baker, S., Anderson, C., Amin, M., Almasri, E., Natarajan, I., McCollum, C., MacCallum, P., Davis, M., Body, R., Yagensky, A., Voronkov, L., Vishnivestsky, I., Vakaliuk, I., Ursol, G., Tseluyko, V., Svyshchenko, Y., Svyridova, I., Ryabichenko, T., Rudenko, L., Alekniene, B., Reshotko, D., Perepeliuk, M., Parkhomenko, O., Nikonov, V., Maslovaskyi, V., Malynovsky, Y., Legkonogov, O., Kyrychenko, I., Krakhmalova, O., Koshlia, V., Kopytsya, M., Karpenko, O., Gryb, V., Goncharova, Y., Goloborodko, B., Goloborodko, A., Godlevska, O., Burmak, I., Brozhyk, J., Batushkin, V., Abrahamovych, O., Tuncay, E., Topcuoglu, M., Tigen, K., Okumus, G., Kutluk, H., Kirma, C., Kilichesmez, K., Guneri, S., Akgul, O., Villalta, J., Vargas Nunez, J. A., Trujillo, J., Riera, A., Richart, C., Mellibovsky, L., Jimenez, D., Gonzales-Porras, J. R., Gomez Cerezo, J., Ferrer, R., Diaz Santos, E., Cereto, F., Castro Guardiola, A., Bisbe, J., Barbagelata Lopez, C., Alvarez Sala, L. A., Mitha, I., Breedt, J., Basson, M., Adler, D., Spisakova, M., Prokop, D., Payer, J., Krastev, G., Kokles, M., Hrubon, A., Herman, O., Dvorak, M., Cervenakova, A., Bodikova, S., Miloradovic, V., Kovacevic-Kuzmanovic, A., Ilic, S., Celic, V., Apostolovic, S., Vishnevskiy, A., Vishneva, E., Solovyov, O., Simanenkov, V., Shvarts, Y., Shpagina, L., Shapovalova, Y., Sergeeva, E., Reshetko, O., Privalova, E., Popov, D., Nilk, R., Nikolaev, K., Mordovin, V., Maslova, N., Martynenko, V., Martynenko, T., Malygin, A., Kostenko, V., Kosmacheva, E., Kobalava, Z., Klein, G., Khachatryan, N., Goloshchekin, B., Ershova, O., Dovgalevskiy, Y., Chefranova, Z., Boldueva, S., Bogdanov, E., Belskaya, G., Barbarash, O., Averkov, O., Arkhipov, M., Apartsin, K., Andreev, D., Abashev, A., Vida-Simiti, L., Stanciulescu, G., Stamate, S., Harrington, Robert A., Goldhaber, Samuel Z., Hull, Russell D., Popescu, M., Wiens, Brian L., Gold, Alex, Hernandez, Adrian F., Gibson, C. Michael, Harrington, Robert, Hull, Russell, Goldhaber, Samuel, Hernandez, Adrian, Ceresetto, Jose Manuel, Colquhoun, David, Pilger, Ernst, Polonetsky, Leonid, Podoleanu, C., Musetescu, R., Marin, I., Bojinca, M., Motte, Serge, Saraiva, Jose Francisco, Balogh, Z. E., Wrzesinski, K., Waldemar, K., Walasek, L., Raev, Dimitar, Mincheva, Valentina, Kahn, Susan, Sulik, P., Canon, Claudia Olivares, Malojcic, Branko, Mayer, Otto, Husted, Steen, Marandi, Toomas, Lassila, Riitta, Mottier, Dominique, Shaburishvili, Tamaz, Bauersachs, Rupert, Zeymer, Uwe, Hajko, Erik, Sobkowicz, B., Zeltser, David, Ageno, Walter, Krievins, Dainis, Bagdonas, Alfredas, Osores, Juan Lema, Tomkowski, Witold, Mot, Stefan, Panchenko, Elizaveta, Tan, Ru San, Gaspar, Ludovit, Jacobson, Barry, Monreal, Manuel, Ongen, Gul, Parkhomenko, Alexander, Uprichard, James, Pulkowski, G., Mirek-Bryniarska, E., Kucharski, L., Jastrzebski, D., Yusen, Roger, Grzelakowski, P., Merli, Geno, Gruenpeter, P., Gorecka, D., Gniot, J., Gaciong, Z., Fryze, W., Peacock, Frank, Schellong, Sebastian, Januzzi, James, Piovella, Franco, Cochet, Madeleine, Michalak, Nathan, Stepanchak, Maria, Spielman, Kathryn, Neal, Brandon, Florea, Ana, Chi, Gerald, Szlosek, Donald, Jain, Purva, Popma, Christopher, Korjian, Serge, Daaboul, Yazan, Halaby, Rim, Yanez, L. Toche, Lemor, Alejandro, Zacarkim, Marcelo, Romero, Gonzalo, Hernandez Elenes, Jesus Rosario, Alvarado, Alonso, Susheela, Ammu, Leitao, Meghan, Salas, M., Bandman, Olga, Horna, M., Strumph, Peter, Vinh, Nancy, Visona, A., Kostadinova, M., Vance, Annemarie, Moia, M., Wiens, Brian, Orlandini, F., Parisi, R., Pontaga, N., Smoak, Carey, Storgaard, M., Molteni, M., Castelino, Rennie, Goodman, Shelly, Stukena, I., Leeds, Janet, al-Khalidi, Hussein, Milanova, M., Karlo, L. Farjardo, Leimberger, Jeffrey, Phillips, Thomas, Rizos, T., Pencheva, G., Pomero, F., Francis, Charles, Novo, S., Pereyra, R. Cotrina, Tiefenbacher, C., Buller, Harry, Roberts, Robin, Prins, Martin, Weimar, C., Tuxen, C., Urhammer, S., Lember, M., Runev, N., Uuetoa, T., Spyropoulos, Alex, Carrier, Marc, Alkonyi, B., Lopes, Renato D., Horacek, T., Airaksinen, J., Honkaniemi, J., Pottier, P., Falukozy, J., Kaaja, R., Stoeva, N., Saarinen, J., Stoyanov, M., Pizzini, A., Devor, Adam, Tatlisumak, T., Kolls, Bradley, Dedrick, Joseph, Todd, Jamie, Jones, William Schuyler, Vikman, S., Agraou, B., Futo, L., Castillo Leon, R., Eapen, Zubin, Katona, A., Proust, A., Quere, I., Kirschner, R., Syulemzova, S., Valavicius, A., Todorov, G., Tokmakova, M., Dhar, A., Klimpe, S., Ahmad, Tariq, Brenna, J. Matthew, Douketis, J., Le Gal, G., Pearce, M., Susinskiene, D., Brito, Flavio, Provencher, S., Rozitis, V., Roy, P-M., Kroning, R., Gulack, Brian, Schmidt, J., Meza, James, Parikh, Kishan, Cooper, Lauren, Poskiene, R., Aquilanti, S., Lapp, H., Kristof, P., Lakatos, F., Laszlo, Z., Belhassane, A., Petrauskiene, R., Pagidipati, Neha, Simoneau, G., Verreault, S., Guimaraes, Patricia, Brisot, D., Perkins, Lynn M., De Geeter, G., Debourdeau, P., Alarcon, M. Arias, Lupkovics, G., Norviliene, R., Wilson, Matthew, Merkely, B., Lazcano, M. Opazo, Collier, Jeannie, Andras, C. Nagy, Cardenas, S. Potthoff, Butkovic-Soldo, S., Norvaisiene, R., Decoulx, E., Hayden, Nikieia, El Kouri, D., Car, S., Nemeth, L., Leizorovicz, Alain, Ciglenecki, N., Naudziunas, A., Datikashvili-David, I., Francetic, I., Jakopovic, M., Becker, Francois, Jennings, Lisa, Khabeishvili, G., Bello, F., Ferrari, A. E., Jure, H., Macin, S., Griskeviciene, V., Kalinic-Grgorinic, H., Falvo, N., Khintibidze, I., Grange, C., Kobulia, B., Knezevic, A., Megreladze, I., Marusic, S., Papp, A., Pagava, Z., Lawall, H., Oliva, M., Paposhvili, K., Parody, M., Amann, B., Soltesz, P., Sudar, Z., Butkiene, Z., Szabo, G., Vagic, J. Sikic, Szegedi, N., Poy, C., Timar, G., Skerk, V., Cermak, O., Valco, J., Baker, R., Coughlin, P., Vertes, A., Rubinfeld, A., Elias, M., Berrouschot, J., Gafter, A., Hayek, T., Chlumsky, J., Lacroix, P., Messas, E., Chochola, J., Cizek, V., Basijokiene, V., Hussein, O., Dunaj, M., Dusek, J., Huber, K., Lishner, M., Lugassy, G., Cerveri, I., D'Angelo, A., De Pellegrin, A., Francek, L., Havelka, J., Konig, J., Beyer-Westendorf, J., Herold, M., Holaj, R., Imberti, D., Landolfi, R., Blessing, E., Mathies, R., Schoenerr, H., Adzerikho, I., Koryk, V., Licka, M., Martinova, V., Horny, I., Mikhailova, E., Mitkovskaya, N., Pimanov, S., Polonetsy, L., Soroka, N., Blockmans, D., Delforge, M., Dive, A., Lienart, F., Bizzacchi, J. Annichino, Fiss, E., Mismetti, P., Freire, A., Hubac, J., Jajtner, P., Manenti, E., Ramacciotti, E., Lembo, G., Raymuno, S., Rocha, A., Kolman, P., Lang, P., Bott, M., Dengler, T., Mikulova, J., Dimov, B., Podpera, I., Reiterer, P., Dziewas, R., Montaclair, K., Genth-Zotz, S., Hamann, F., Paleiron, N., Spacek, R., Payot, L., Vejvoda, J., Vyhnanek, M., Christensen, H., Salvi, A., Lodigiani, C., Pernod, G., Grigorov, M., Lassen, M., Mumoli, N., Kalpachki, R., Kamenova, Z., Schenone, A., Guy's and St Thomas' Hospital [London], Stanford Medicine, Stanford University, Brigham and Women's Hospital [Boston], Thrombosis Research Unit, University of Calgary, Portola Pharmaceuticals (Portola), PORTOLA PHARMACEUTICALS, Division of Cardiology, Duke University Medical Center, Duke Clinical Research Institute (DCRI - DURHAM), Duke University [Durham], Beth Israel Deaconess Medical Center [Boston, USA], Harvard Medical School [Boston] (HMS), Groupe d'Etude de la Thrombose de Bretagne Occidentale (GETBO), Institut Brestois Santé Agro Matière (IBSAM), Université de Brest (UBO)-Université de Brest (UBO)-Université de Brest (UBO), Centre d'Investigation Clinique (CIC - Brest), Université de Brest (UBO)-Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Brest (UBO)-Institut Brestois Santé Agro Matière (IBSAM), and Université de Brest (UBO)-Université de Brest (UBO)

Subjects
Male, Pyridines, Medizin, 030204 cardiovascular system & hematology, law.invention, chemistry.chemical_compound, 0302 clinical medicine, Randomized controlled trial, Risk Factors, law, 030212 general & internal medicine, ComputingMilieux_MISCELLANEOUS, Ultrasonography, Venous Thrombosis, Factors de risc en les malalties, Medicine (all), Acute Disease, Adult, Aged, Benzamides, Double-Blind Method, Drug Administration Schedule, Factor Xa Inhibitors, Female, Fibrin Fibrinogen Degradation Products, Hemorrhage, Hospitalization, Humans, Middle Aged, Pulmonary Embolism, Venous Thromboembolism, General Medicine, 3. Good health, Pulmonary embolism, Venous thrombosis, Cohort, medicine.medical_specialty, Patients, Risk factors in diseases, Placebo, 03 medical and health sciences, [SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, Internal medicine, Thromboembolism, medicine, Pacients, Betrixaban, Thromboprophylaxis, Acutely Ill Medical Patients, Tromboembolisme, business.industry, Settore MED/09 - MEDICINA INTERNA, ta3121, Population cohort, medicine.disease, Surgery, chemistry, Once daily, business
Abstract

Background\ud Patients with acute medical illnesses are at prolonged risk for venous thrombosis. However, the appropriate duration of thromboprophylaxis remains unknown.\ud \ud Methods\ud Patients who were hospitalized for acute medical illnesses were randomly assigned to receive subcutaneous enoxaparin (at a dose of 40 mg once daily) for 10±4 days plus oral betrixaban placebo for 35 to 42 days or subcutaneous enoxaparin placebo for 10±4 days plus oral betrixaban (at a dose of 80 mg once daily) for 35 to 42 days. We performed sequential analyses in three prespecified, progressively inclusive cohorts: patients with an elevated d-dimer level (cohort 1), patients with an elevated d-dimer level or an age of at least 75 years (cohort 2), and all the enrolled patients (overall population cohort). The statistical analysis plan specified that if the between-group difference in any analysis in this sequence was not significant, the other analyses would be considered exploratory. The primary efficacy outcome was a composite of asymptomatic proximal deep-vein thrombosis and symptomatic venous thromboembolism. The principal safety outcome was major bleeding.\ud \ud Results\ud A total of 7513 patients underwent randomization. In cohort 1, the primary efficacy outcome occurred in 6.9% of patients receiving betrixaban and 8.5% receiving enoxaparin (relative risk in the betrixaban group, 0.81; 95% confidence interval [CI], 0.65 to 1.00; P=0.054). The rates were 5.6% and 7.1%, respectively (relative risk, 0.80; 95% CI, 0.66 to 0.98; P=0.03) in cohort 2 and 5.3% and 7.0% (relative risk, 0.76; 95% CI, 0.63 to 0.92; P=0.006) in the overall population. (The last two analyses were considered to be exploratory owing to the result in cohort 1.) In the overall population, major bleeding occurred in 0.7% of the betrixaban group and 0.6% of the enoxaparin group (relative risk, 1.19; 95% CI, 0.67 to 2.12; P=0.55).\ud \ud Conclusions\ud Among acutely ill medical patients with an elevated d-dimer level, there was no significant difference between extended-duration betrixaban and a standard regimen of enoxaparin in the prespecified primary efficacy outcome. However, prespecified exploratory analyses provided evidence suggesting a benefit for betrixaban in the two larger cohorts. (Funded by Portola Pharmaceuticals; APEX ClinicalTrials.gov number, NCT01583218. opens in new tab.)

Published
2016
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12. Extended thromboprophylaxis with betrixaban in acutely ill medical patients

Author

Cohen, A. T., Harrington, R. A., Goldhaber, S. Z., Hull, R. D., Wiens, B. L., Gold, A., Hernandez, A. F., Gibson, C. M., Bello, F., Ferrari, A. E., Jure, H., Macin, S., Oliva, M., Parody, M., Poy, C., Baker, R., Colquhoun, D., Coughlin, P., Finfer, S., Rubinfeld, A., Huber, K., Konig, J., Mathies, R., Pilger, E., Schoenerr, H., Adzerikho, I., Koryk, V., Mikhailova, E., Mitkovskaya, N., Pimanov, S., Polonetsy, L., Soroka, N., Blockmans, D., Delforge, M., Dive, A., Lienart, F., Motte, S., Bizzacchi, J., Fiss, E., Freire, A., Manenti, E., Ramacciotti, E., Raymuno, S., Rocha, A., Saraiva, J. F., Dimov, B., Grigorov, M., Kalpachki, R., Kamenova, Z., Kostadinova, M., Milanova, M., Mincheva, V., Pencheva, G., Raev, D., Runev, N., Stoeva, N., Stoyanov, M., Syulemzova, S., Todorov, G., Tokmakova, M., Dhar, A., Douketis, J., Kahn, S., Le Gal, G., Pearce, M., Provencher, S., Verreault, S., Alarcon, M., Canon, C., Lazcano, M., Cardenas, S., Butkovic-Soldo, S., Car, S., Ciglenecki, N., Francetic, I., Jakopovic, M., Kalinic-Grgorinic, H., Knezevic, A., Malojcic, B., Marusic, S., Vagic, J., Skerk, V., Cermak, O., Chlumsky, J., Chochola, J., Cizek, V., Dunaj, M., Dusek, J., Francek, L., Havelka, J., Herold, M., Holaj, R., Horny, I., Hubac, J., Jajtner, P., Kolman, P., Lang, P., Mayer, O., Mikulova, J., Podpera, I., Reiterer, P., Spacek, R., Vejvoda, J., Vyhnanek, M., Christensen, H., Lassen, M., Storgaard, M., Tuxen, C., Urhammer, S., Lember, M., Marandi, T., Uuetoa, T., Airaksinen, J., Honkaniemi, J., Kaaja, R., Lassila, R., Saarinen, J., Tatlisumak, T., Vikman, S., Agraou, B., Aquilanti, S., Belhassane, A., Brisot, D., De Geeter, G., Debourdeau, P., Decoulx, E., El Kouri, D., Falvo, N., Grange, C., Lacroix, P., Messas, E., Mismetti, P., Montaclair, K., Mottier, D., Paleiron, N., Payot, L., Pernod, G., Pottier, P., Proust, A., Quere, I., Roy, P. M., Schmidt, J., Simoneau, G., Datikashvili-David, I., Khabeishvili, G., Khintibidze, I., Kobulia, B., Megreladze, I., Pagava, Z., Paposhvili, K., Shaburishvili, T., Amann, B., Berrouschot, J., Beyer-Westendorf, J., Blessing, E., Bott, M., Dengler, T., Dziewas, R., Genth-Zotz, S., Hamann, F., Horacek, T., Klimpe, S., Kroning, R., Lapp, H., Lawall, H., Licka, M., Rizos, T., Schellong, S., Tiefenbacher, C., Weimar, C., Zeymer, U., Alkonyi, B., Falukozy, J., Futo, L., Katona, A., Kirschner, R., Kristof, P., Lakatos, F., Laszlo, Z., Lupkovics, G., Merkely, B., Andras, C., Nemeth, L., Papp, A., Soltesz, P., Sudar, Z., Szabo, G., Szegedi, N., Timar, G., Valco, J., Vertes, A., Efrati, S., Elias, M., Gafter, A., Hayek, T., Hussein, O., Lishner, M., Lugassy, G., Zeltser, D., Ageno, W., Cerveri, I., D'Angelo, A., De Pellegrin, A., Imberti, D., Landolfi, Raffaele, Lembo, G., Lodigiani, C., Moia, M., Molteni, M., Mumoli, N., Novo, S., Orlandini, F., Parisi, R., Pizzini, A., Pomero, F., Salvi, A., Schenone, A., Visona, A., Krievins, D., Martinova, V., Pontaga, N., Rozitis, V., Stukena, I., Alekniene, B., Bagdonas, A., Basijokiene, V., Butkiene, Z., Griskeviciene, V., Naudziunas, A., Norvaisiene, R., Norviliene, R., Petrauskiene, R., Poskiene, R., Susinskiene, D., Valavicius, A., Leon, R., Pereyra, R., Karlo, L., Horna, M., Osores, J., Salas, M., Yanez, L., Fryze, W., Gaciong, Z., Gniot, J., Gorecka, D., Gruenpeter, P., Grzelakowski, P., Jastrzebski, D., Kucharski, L., Mirek-Bryniarska, E., Pulkowski, G., Sobkowicz, B., Sulik, P., Tomkowski, W., Walasek, L., Waldemar, K., Wrzesinski, K., Balogh, Z. E., Bojinca, M., Marin, I., Mot, S., Musetescu, R., Podoleanu, C., Popescu, M., Stamate, S., Stanciulescu, G., Vida-Simiti, L., Abashev, A., Andreev, D., Apartsin, K., Arkhipov, M., Averkov, O., Barbarash, O., Belskaya, G., Bogdanov, E., Boldueva, S., Chefranova, Z., Dovgalevskiy, Y., Ershova, O., Goloshchekin, B., Khachatryan, N., Klein, G., Kobalava, Z., Kosmacheva, E., Kostenko, V., Malygin, A., Martynenko, T., Martynenko, V., Maslova, N., Mordovin, V., Nikolaev, K., Nilk, R., Panchenko, E., Popov, D., Privalova, E., Reshetko, O., Sergeeva, E., Shapovalova, Y., Shpagina, L., Shvarts, Y., Simanenkov, V., Solovyov, O., Vishneva, E., Vishnevskiy, A., Apostolovic, S., Celic, V., Ilic, S., Kovacevic-Kuzmanovic, A., Miloradovic, V., Tan, R. S., Bodikova, S., Cervenakova, A., Dvorak, M., Gaspar, L., Herman, O., Hrubon, A., Kokles, M., Krastev, G., Payer, J., Prokop, D., Spisakova, M., Adler, D., Basson, M., Breedt, J., Engelbrecht, J., Jacobson, B., Mitha, I., Van Dyk, C., Sala, L. A., Lopez, C., Bisbe, J., Guardiola, A., Cepeda, J. M., Cereto, F., Santos, E., Ferrer, R., Cerezo, J., Gonzales-Porras, J. R., Grandes, J., Jimenez, D., Mellibovsky, L., Richart, C., Riera, A., Trujillo, J., Nunez, J. A., Villalta, J., Akgul, O., Guneri, S., Kilichesmez, K., Kirma, C., Kutluk, H., Nazliel, B., Okumus, G., Ongen, G., Tigen, K., Topcuoglu, M., Tuncay, E., Abrahamovych, O., Batushkin, V., Brozhyk, J., Burmak, I., Godlevska, O., Goloborodko, A., Goloborodko, B., Goncharova, Y., Gryb, V., Karpenko, O., Kopytsya, M., Koshlia, V., Krakhmalova, O., Kyrychenko, I., Legkonogov, O., Malynovsky, Y., Maslovaskyi, V., Nikonov, V., Parkhomenko, O., Perepeliuk, M., Reshotko, D., Rudenko, L., Ryabichenko, T., Svyridova, I., Svyshchenko, Y., Tseluyko, V., Ursol, G., Vakaliuk, I., Vishnivestsky, I., Voronkov, L., Yagensky, A., Body, R., Davis, M., Maccallum, P., Mccollum, C., Natarajan, I., Almasri, E., Amin, M., Anderson, C., Baker, S., Barney, J., Bastani, A., Bercz, P., Bidair, M., Carman, T., Chang, H., Clark, C., Concha, M., Cornell, J., Dhingra, R., Doshi, A., Farley, B., Fermann, G., Fraiz, J., Fulmer, J., Gaggin, H., Goytia-Leos, D., Hahn, B., Haidar, A., Hamad, A., Hazelrigg, M., Ioachimescu, O., Kabler, H., Kao, C. K., Kazimir, M., Koura, F., Kung, M., Lerner, R., Lopez, J., Macchiavelli, A., Mahal, S., Margolis, B., Mclaren, G., Milling, T., Mittal, M., Nadar, V., Ohaju, V., Ortel, T., Overcash, J., Parthiban, K., Pearl, R., Pineda, L., Pratt, R., Pullman, J., Quintana, O., Rajan, R., Rastogi, P., Rees, C., Rodriguez, W., Saba, F., Shammas, N., Sharma, S., Sokol, S., Stoltz, S., Tuck, M., Updegrove, J., Warner, A., Welch, M., Welker, J., Whitman, B., Wichman, T., Yousef, K., Yusen, R., Zakai, N., Landolfi R. (ORCID:0000-0002-7913-8576), Cohen, A. T., Harrington, R. A., Goldhaber, S. Z., Hull, R. D., Wiens, B. L., Gold, A., Hernandez, A. F., Gibson, C. M., Bello, F., Ferrari, A. E., Jure, H., Macin, S., Oliva, M., Parody, M., Poy, C., Baker, R., Colquhoun, D., Coughlin, P., Finfer, S., Rubinfeld, A., Huber, K., Konig, J., Mathies, R., Pilger, E., Schoenerr, H., Adzerikho, I., Koryk, V., Mikhailova, E., Mitkovskaya, N., Pimanov, S., Polonetsy, L., Soroka, N., Blockmans, D., Delforge, M., Dive, A., Lienart, F., Motte, S., Bizzacchi, J., Fiss, E., Freire, A., Manenti, E., Ramacciotti, E., Raymuno, S., Rocha, A., Saraiva, J. F., Dimov, B., Grigorov, M., Kalpachki, R., Kamenova, Z., Kostadinova, M., Milanova, M., Mincheva, V., Pencheva, G., Raev, D., Runev, N., Stoeva, N., Stoyanov, M., Syulemzova, S., Todorov, G., Tokmakova, M., Dhar, A., Douketis, J., Kahn, S., Le Gal, G., Pearce, M., Provencher, S., Verreault, S., Alarcon, M., Canon, C., Lazcano, M., Cardenas, S., Butkovic-Soldo, S., Car, S., Ciglenecki, N., Francetic, I., Jakopovic, M., Kalinic-Grgorinic, H., Knezevic, A., Malojcic, B., Marusic, S., Vagic, J., Skerk, V., Cermak, O., Chlumsky, J., Chochola, J., Cizek, V., Dunaj, M., Dusek, J., Francek, L., Havelka, J., Herold, M., Holaj, R., Horny, I., Hubac, J., Jajtner, P., Kolman, P., Lang, P., Mayer, O., Mikulova, J., Podpera, I., Reiterer, P., Spacek, R., Vejvoda, J., Vyhnanek, M., Christensen, H., Lassen, M., Storgaard, M., Tuxen, C., Urhammer, S., Lember, M., Marandi, T., Uuetoa, T., Airaksinen, J., Honkaniemi, J., Kaaja, R., Lassila, R., Saarinen, J., Tatlisumak, T., Vikman, S., Agraou, B., Aquilanti, S., Belhassane, A., Brisot, D., De Geeter, G., Debourdeau, P., Decoulx, E., El Kouri, D., Falvo, N., Grange, C., Lacroix, P., Messas, E., Mismetti, P., Montaclair, K., Mottier, D., Paleiron, N., Payot, L., Pernod, G., Pottier, P., Proust, A., Quere, I., Roy, P. M., Schmidt, J., Simoneau, G., Datikashvili-David, I., Khabeishvili, G., Khintibidze, I., Kobulia, B., Megreladze, I., Pagava, Z., Paposhvili, K., Shaburishvili, T., Amann, B., Berrouschot, J., Beyer-Westendorf, J., Blessing, E., Bott, M., Dengler, T., Dziewas, R., Genth-Zotz, S., Hamann, F., Horacek, T., Klimpe, S., Kroning, R., Lapp, H., Lawall, H., Licka, M., Rizos, T., Schellong, S., Tiefenbacher, C., Weimar, C., Zeymer, U., Alkonyi, B., Falukozy, J., Futo, L., Katona, A., Kirschner, R., Kristof, P., Lakatos, F., Laszlo, Z., Lupkovics, G., Merkely, B., Andras, C., Nemeth, L., Papp, A., Soltesz, P., Sudar, Z., Szabo, G., Szegedi, N., Timar, G., Valco, J., Vertes, A., Efrati, S., Elias, M., Gafter, A., Hayek, T., Hussein, O., Lishner, M., Lugassy, G., Zeltser, D., Ageno, W., Cerveri, I., D'Angelo, A., De Pellegrin, A., Imberti, D., Landolfi, Raffaele, Lembo, G., Lodigiani, C., Moia, M., Molteni, M., Mumoli, N., Novo, S., Orlandini, F., Parisi, R., Pizzini, A., Pomero, F., Salvi, A., Schenone, A., Visona, A., Krievins, D., Martinova, V., Pontaga, N., Rozitis, V., Stukena, I., Alekniene, B., Bagdonas, A., Basijokiene, V., Butkiene, Z., Griskeviciene, V., Naudziunas, A., Norvaisiene, R., Norviliene, R., Petrauskiene, R., Poskiene, R., Susinskiene, D., Valavicius, A., Leon, R., Pereyra, R., Karlo, L., Horna, M., Osores, J., Salas, M., Yanez, L., Fryze, W., Gaciong, Z., Gniot, J., Gorecka, D., Gruenpeter, P., Grzelakowski, P., Jastrzebski, D., Kucharski, L., Mirek-Bryniarska, E., Pulkowski, G., Sobkowicz, B., Sulik, P., Tomkowski, W., Walasek, L., Waldemar, K., Wrzesinski, K., Balogh, Z. E., Bojinca, M., Marin, I., Mot, S., Musetescu, R., Podoleanu, C., Popescu, M., Stamate, S., Stanciulescu, G., Vida-Simiti, L., Abashev, A., Andreev, D., Apartsin, K., Arkhipov, M., Averkov, O., Barbarash, O., Belskaya, G., Bogdanov, E., Boldueva, S., Chefranova, Z., Dovgalevskiy, Y., Ershova, O., Goloshchekin, B., Khachatryan, N., Klein, G., Kobalava, Z., Kosmacheva, E., Kostenko, V., Malygin, A., Martynenko, T., Martynenko, V., Maslova, N., Mordovin, V., Nikolaev, K., Nilk, R., Panchenko, E., Popov, D., Privalova, E., Reshetko, O., Sergeeva, E., Shapovalova, Y., Shpagina, L., Shvarts, Y., Simanenkov, V., Solovyov, O., Vishneva, E., Vishnevskiy, A., Apostolovic, S., Celic, V., Ilic, S., Kovacevic-Kuzmanovic, A., Miloradovic, V., Tan, R. S., Bodikova, S., Cervenakova, A., Dvorak, M., Gaspar, L., Herman, O., Hrubon, A., Kokles, M., Krastev, G., Payer, J., Prokop, D., Spisakova, M., Adler, D., Basson, M., Breedt, J., Engelbrecht, J., Jacobson, B., Mitha, I., Van Dyk, C., Sala, L. A., Lopez, C., Bisbe, J., Guardiola, A., Cepeda, J. M., Cereto, F., Santos, E., Ferrer, R., Cerezo, J., Gonzales-Porras, J. R., Grandes, J., Jimenez, D., Mellibovsky, L., Richart, C., Riera, A., Trujillo, J., Nunez, J. A., Villalta, J., Akgul, O., Guneri, S., Kilichesmez, K., Kirma, C., Kutluk, H., Nazliel, B., Okumus, G., Ongen, G., Tigen, K., Topcuoglu, M., Tuncay, E., Abrahamovych, O., Batushkin, V., Brozhyk, J., Burmak, I., Godlevska, O., Goloborodko, A., Goloborodko, B., Goncharova, Y., Gryb, V., Karpenko, O., Kopytsya, M., Koshlia, V., Krakhmalova, O., Kyrychenko, I., Legkonogov, O., Malynovsky, Y., Maslovaskyi, V., Nikonov, V., Parkhomenko, O., Perepeliuk, M., Reshotko, D., Rudenko, L., Ryabichenko, T., Svyridova, I., Svyshchenko, Y., Tseluyko, V., Ursol, G., Vakaliuk, I., Vishnivestsky, I., Voronkov, L., Yagensky, A., Body, R., Davis, M., Maccallum, P., Mccollum, C., Natarajan, I., Almasri, E., Amin, M., Anderson, C., Baker, S., Barney, J., Bastani, A., Bercz, P., Bidair, M., Carman, T., Chang, H., Clark, C., Concha, M., Cornell, J., Dhingra, R., Doshi, A., Farley, B., Fermann, G., Fraiz, J., Fulmer, J., Gaggin, H., Goytia-Leos, D., Hahn, B., Haidar, A., Hamad, A., Hazelrigg, M., Ioachimescu, O., Kabler, H., Kao, C. K., Kazimir, M., Koura, F., Kung, M., Lerner, R., Lopez, J., Macchiavelli, A., Mahal, S., Margolis, B., Mclaren, G., Milling, T., Mittal, M., Nadar, V., Ohaju, V., Ortel, T., Overcash, J., Parthiban, K., Pearl, R., Pineda, L., Pratt, R., Pullman, J., Quintana, O., Rajan, R., Rastogi, P., Rees, C., Rodriguez, W., Saba, F., Shammas, N., Sharma, S., Sokol, S., Stoltz, S., Tuck, M., Updegrove, J., Warner, A., Welch, M., Welker, J., Whitman, B., Wichman, T., Yousef, K., Yusen, R., Zakai, N., and Landolfi R. (ORCID:0000-0002-7913-8576)

Abstract

BACKGROUND: Patients with acute medical illnesses are at prolonged risk for venous thrombosis. However, the appropriate duration of thromboprophylaxis remains unknown. METHODS: Patients who were hospitalized for acute medical illnesses were randomly assigned to receive subcutaneous enoxaparin (at a dose of 40 mg once daily) for 10±4 days plus oral betrixaban placebo for 35 to 42 days or subcutaneous enoxaparin placebo for 10±4 days plus oral betrixaban (at a dose of 80 mg once daily) for 35 to 42 days. We performed sequential analyses in three prespecified, progressively inclusive cohorts: patients with an elevated D-dimer level (cohort 1), patients with an elevated D-dimer level or an age of at least 75 years (cohort 2), and all the enrolled patients (overall population cohort). The statistical analysis plan specified that if the between-group difference in any analysis in this sequence was not significant, the other analyses would be considered exploratory. The primary efficacy outcome was a composite of asymptomatic proximal deep-vein thrombosis and symptomatic venous thromboembolism. The principal safety outcome was major bleeding. RESULTS: A total of 7513 patients underwent randomization. In cohort 1, the primary efficacy outcome occurred in 6.9% of patients receiving betrixaban and 8.5% receiving enoxaparin (relative risk in the betrixaban group, 0.81; 95% confidence interval [CI], 0.65 to 1.00; P = 0.054). The rates were 5.6% and 7.1%, respectively (relative risk, 0.80; 95% CI, 0.66 to 0.98; P = 0.03) in cohort 2 and 5.3% and 7.0% (relative risk, 0.76; 95% CI, 0.63 to 0.92; P = 0.006) in the overall population. (The last two analyses were considered to be exploratory owing to the result in cohort 1.) In the overall population, major bleeding occurred in 0.7% of the betrixaban group and 0.6% of the enoxaparin group (relative risk, 1.19; 95% CI, 0.67 to 2.12; P = 0.55). CONCLUSIONS: Among acutely ill medical patients with an elevated D-dimer level, there was no

Published
2016

13. A randomized, multicenter, controlled trial using intravenous pulses of methylprednisolone in the initial treatment of simple forms of giant cell arteritis: a one year followup study of 164 patients

Author

Pascal Chevalet, Jh, Barrier, Pottier P, Magadur-Joly G, Ma, Pottier, Hamidou M, Planchon B, El Kouri D, Connan L, Jl, Dupond, De Wazieres B, Dien G, Duhamel E, Grosbois B, Jego P, Le Strat A, Capdeville J, Letellier P, and Agron L

Subjects
Aged, 80 and over, Male, Substance-Related Disorders, Giant Cell Arteritis, Anti-Inflammatory Agents, Drug Resistance, Middle Aged, Methylprednisolone, Substance Withdrawal Syndrome, Treatment Outcome, Adjuvants, Immunologic, Pulse Therapy, Drug, Injections, Intravenous, Humans, Female, Aged, Follow-Up Studies
Abstract

(1) To evaluate the corticosteroid sparing effect of an initial intravenous (i.v.) pulse of methylprednisolone (MP) in the treatment of simple forms of giant cell arteritis (GCA). (2) To analyze corticosteroid response, steroid related side effects, and GCA complications.Patients received a 240 mg i.v. pulse of MP followed by 0.7 mg/kg/day oral prednisone (Group 1) or 0.7 mg/kg/day prednisone without an i.v. pulse (Group 2, controls), or a 240 mg i.v. pulse of MP followed by 0.5 mg/kg/day prednisone (Group 3). Corticosteroid dosage was reduced after normalization of 2 biological inflammatory variables to obtain half-dosage after 4 weeks in Groups 1 and 2 and 20 mg/day after 2 weeks in Group 3. Tapering was systematically attempted from the 6th month of treatment.One hundred sixty-four patients were included in the trial (1992-96). Cumulative doses of corticosteroids after one year were identical for all groups (p = 0.39). No significant differences were observed in the time required for normalization of C-reactive protein, corticosteroid resistance (13.5%), and corticosteroid related side effects (39% of patients; p = 0.37). Corticosteroid resistant patients received larger doses and showed a high risk of GCA related complications (p = 0.02).MP pulses have no significant longterm, corticosteroid sparing effects in the treatment of simple forms of GCA and should be limited to complicated forms. Moreover, corticosteroid resistance is a real risk factor for GCA complications.

Published
2000

42. 99Tcm-labelled anti-fibrin Fab' fragment for evaluating the course of venous thrombosis in the rabbit

Author

Bernard Planchon, De Faucal P, Benoit Dupas, A Faivre, el Kouri D, Philippe Chaillou, P. Peltier, and Moreau A

Subjects
Male, Pathology, medicine.medical_specialty, Connective tissue, Scintigraphy, Thrombophlebitis, Fibrin, Immunoscintigraphy, medicine, Animals, Radiology, Nuclear Medicine and imaging, Vein, biology, medicine.diagnostic_test, business.industry, General Medicine, medicine.disease, Thrombosis, Venous thrombosis, medicine.anatomical_structure, Radioimmunodetection, biology.protein, Female, Rabbits, business
Abstract

Immunoscintigraphy was performed using the Fab' fragment of 99Tcm-labelled T2G1s anti-fibrin monoclonal antibody in a rabbit experimental model of venous thrombosis of known and increasing age (1, 3 and 7 days). Scans were positive in 3/7 cases for 1-day thrombosis (fibrin-poor network) and in 7/7 cases for 3-day thrombosis (fibrin-rich network). In rabbits with 7-day thrombosis, the scan was positive (2/4 cases) only when connective tissue was not present in the clot. Scintigraphic results were concordant with those of biodistribution studies showing the mean percentage of injected dose per gram 99Tcm-T2G1s present in the thrombosed vein wall (0.043, 0.082 and 0.07 for thrombi at 1, 3 and 7 days, respectively). Mean thrombosed vein wall-to-blood ratios were 1.027, 2.291 and 1.301, respectively. Immunoscintigraphy with T2G1s anti-fibrin monoclonal antibody thus enabled hematological status to be evaluated.

Published
1994
Full Text
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43. [Mesenteric venous thrombosis and antithrombin III deficiency: diagnosis before an acute digestive hemorrhage]

Author

el Kouri D, Potel G, Hamidou M, Fakhraddin Sadr, Fressinaud E, and Armstrong O

Subjects
Male, Laparotomy, Antithrombin III Deficiency, Mesenteric Veins, Predictive Value of Tests, Humans, Thrombosis, Middle Aged, Gastrointestinal Hemorrhage
Abstract

Mesenteric venous thromboses are often associated with antithrombin III deficiency. We can suspect this clinical diagnosis in patients with nonspecific abdominal pain syndrome and personal or familial history of mesenteric venous thrombosis. We report the case of a 63-old-male caucasian with antithrombin III deficiency and rectal bleeding who was diagnosed with mesenteric venous thrombosis at exploratory laparotomy. This case emphasizes the necessity of a careful history in all patients without an obvious diagnosis. In this way, we can invoke the diagnosis of mesenteric venous thrombosis quickly and begin the heparin therapy while waiting for the results of further confirmatory tests.

44. [Treatment of venous thromboembolic disease in the elderly]

Author

el Kouri D, Pascal Chevalet, Hamidou M, Lemant J, and Potel G

Subjects
Venous Thrombosis, Heparin, Risk Factors, Anticoagulants, Humans, France, Pulmonary Embolism, Combined Modality Therapy, Aged
Abstract

The incidence of deep vein thrombosis and pulmonary embolism is higher in the elderly due to the greater frequency of risk factors among this age group. Classic treatment with heparin and subsequently oral anticoagulant is still the most commonly used. Older patients may be at increased risk for anticoagulant-related bleeding for several reasons: increased anticoagulant effect of warfarin, increased prevalence of comorbidity and incidence of adverse drug reactions. As well as the usual contra-indications to such treatment, the psychological and physical well being of the patient must be assumed before an oral anticoagulant can be given. Careful prescribing is required: a low starting dose, a strict monitoring regime, for a limited duration. The indications for use of an inferior vena cava filter are wider in the older age group, not only for those in whom heparin is contraindicated, or has failed, but also for those who require treatment indefinitely with contra-indications to oral anticoagulant. Careful consideration of risk factors and the use of an individually designed prophylactic treatment are the best way to tackle this difficult problem in the elderly person.

45. Value of autoantibodies to {beta}2-glycoprotein 1 in the diagnosis of antiphospholipid syndrome

Author

Audrain, M. A. P., El Kouri, D., Hamidou, M. A., Mioche, L., Ibara, A., Langlois, M.-L., and Muller, J.-Y.

Abstract

<it>Objectives</it>. To define the specificity and positive predictive value of anti‐<it>β</it><inf>2</inf>‐glycoprotein 1 (anti‐<it>β</it><inf>2</inf>GP1) antibodies for the diagnosis of antiphospholipid syndrome (APS). <it>Methods</it>. We determined the presence of anticardiolipin (aCL) antibodies and anti‐<it>β</it><inf>2</inf>‐glycoprotein 1 (anti‐<it>β</it><inf>2</inf>GP1) immunoglobulin (Ig) G and IgM in 191 consecutive sera from 191 patients and reviewed clinical data separately. aCL IgG and IgM were detected separately using commercial ELISA kits. Anti‐<it>β</it><inf>2</inf>GP1 antibodies were detected with an in‐house ELISA using <it>β</it><inf>2</inf>GP1. <it>Results</it>. Seven patients were diagnosed as having APS and 184 as having other diseases. Thirty‐six patients were aCL‐positive and 12 were anti‐<it>β</it><inf>2</inf>GP1‐positive, seven of these 12 were APS patients. The specificity for anti‐<it>β</it><inf>2</inf>GP1 in our population was 97%, with a positive predictive value (PPV) of 58%. Among the aCL‐positive patients, specificity was 90% and PPV 70–87%. <it>Conclusions</it>. This study shows that anti‐<it>β</it><inf>2</inf>GP1 antibodies have a higher specificity and PPV than aCL for APS. The PPV of anti‐<it>β</it><inf>2</inf>GP1 was greater in aCL‐positive than in all patients. We conclude that screening for anti‐<it>β</it><inf>2</inf>GP1 antibodies in aCL‐positive patients increases the specificity and the PPV of aCL testing. In addition, we show that there is no need to screen for anti‐<it>β</it><inf>2</inf>GP1 antibodies in the absence of aCL antibodies and in the absence of strong clinical suspicion of APS.

Published
2002
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48. [Risk factors for thromboembolic disease in young women-the role of hormones].

Author

Tromeur C, Le Mao R, Jego P, El-Kouri D, Gruel Y, Pan-Petesch B, Bertoletti L, Morange PE, Lemoigne E, Paleiron N, Leroyer C, and Couturaud F

Subjects
Adolescent, Adult, Age Factors, Case-Control Studies, Cross-Sectional Studies, Family, Female, Hormones blood, Humans, Middle Aged, Pregnancy, Pregnancy Complications, Cardiovascular blood, Pregnancy Complications, Cardiovascular epidemiology, Pregnancy Complications, Cardiovascular etiology, Risk Factors, Sex Factors, Thrombophilia complications, Thrombophilia epidemiology, Thrombophilia genetics, Venous Thromboembolism blood, Venous Thromboembolism epidemiology, Venous Thromboembolism genetics, Young Adult, Hormones physiology, Venous Thromboembolism etiology
Abstract

Hormonal exposure in young women increases the risk of venous thromboembolic disease (VTE). Thrombophilia testing is often proposed in women of childbearing age before the initiation of contraception. However, the presence of a familial history of VTE has the potential to be more accurate than the presence of inherited thrombophilia., Objective: To demonstrate an association between the risk of VTE in young women with hormonal exposure (pregnancy or oral contraceptive use) and the presence of a previous episode of VTE in their first-degree relatives, according to whether or not a detectable inherited thrombophilia was present., Methods: We will perform a multicenter case-control cross-sectional study. The main risk factor is defined by the presence of a symptomatic VTE in young women with hormonal exposure. The principle variable is the presence of an objectively diagnosed episode of VTE in first-degree relatives. We will need to include 2,200 family members in 440 cases., Expected Results: We expect to improve understanding of the thrombotic risk in first-degree relatives of patients in hormonal context with or without a past history of VTE., (Copyright © 2018 SPLF. Published by Elsevier Masson SAS. All rights reserved.)

Published
2019
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49. Pulmonary embolism rule-out criteria (PERC) rule in European patients with low implicit clinical probability (PERCEPIC): a multicentre, prospective, observational study.

Author

Penaloza A, Soulié C, Moumneh T, Delmez Q, Ghuysen A, El Kouri D, Brice C, Marjanovic NS, Bouget J, Moustafa F, Trinh-Duc A, Le Gall C, Imsaad L, Chrétien JM, Gable B, Girard P, Sanchez O, Schmidt J, Le Gal G, Meyer G, Delvau N, and Roy PM

Subjects
Adult, Aged, Angiography, Anticoagulants therapeutic use, Emergency Service, Hospital, False Negative Reactions, Fibrin Fibrinogen Degradation Products analysis, Humans, Middle Aged, Prospective Studies, Pulmonary Embolism drug therapy, Risk Factors, Treatment Outcome, Ultrasonography, White People, Pulmonary Embolism diagnosis
Abstract

Background: The ability of the pulmonary embolism rule-out criteria (PERC) to exclude pulmonary embolism without further testing remains debated outside the USA, especially in the population with suspected pulmonary embolism who have a high prevalence of the condition. Our main objective was to prospectively assess the predictive value of negative PERC to rule out pulmonary embolism among European patients with low implicit clinical probability., Methods: We did a multicentre, prospective, observational study in 12 emergency departments in France and Belgium. We included consecutive patients aged 18 years or older with suspected pulmonary embolism. Patients were excluded if they had already been hospitalised for more than 2 days, had curative anticoagulant therapy in progress for more than 48 h, or had a diagnosis of thromboembolic disease documented before admission to emergency department. Physicians completed a standardised case report form comprising implicit clinical probability assessment (low, moderate, or high) and a list of risk factors including criteria of the PERC rule. They were asked to follow international recommendations for diagnostic strategy, masked to PERC assessment. The primary endpoint was the proportion of patients with low implicit clinical probability and negative PERC who had venous thromboembolic events, diagnosed during initial diagnostic work-up or during 3-month follow-up, as externally adjudicated by an independent committee masked to the PERC and clinical probability assessment. The upper limit of the 95% CI around the 3-month thromboembolic risk was set at 3%. We did all analyses by intention to treat, including all patients with complete follow-up. This trial is registered with ClinicalTrials.gov, number NCT02360540., Findings: Between May 1, 2015, and April 30, 2016, 1773 consecutive patients with suspected pulmonary embolism were prospectively assessed for inclusion, of whom 1757 were included. 1052 (60%) patients were classed as having low clinical probability, 49 (4·7%, 95% CI 3·5-6·1) of whom had a venous thromboembolic event. In patients with a low implicit clinical probability, 337 (32%) patients had negative PERC, of whom four (1·2%; 95% CI 0·4-2·9) went on to have a pulmonary embolism., Interpretation: In European patients with low implicit clinical probability, PERC can exclude pulmonary embolism with a low percentage of false-negative results. The results of our prospective, observational study allow and justify an implementation study of the PERC rule in Europe., Funding: French Ministry of Health., (Copyright © 2017 Elsevier Ltd. All rights reserved.)

Published
2017
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50. Multifaceted Intervention to Prevent Venous Thromboembolism in Patients Hospitalized for Acute Medical Illness: A Multicenter Cluster-Randomized Trial.

Author

Roy PM, Rachas A, Meyer G, Le Gal G, Durieux P, El Kouri D, Honnart D, Schmidt J, Legall C, Hausfater P, Chrétien JM, and Mottier D

Subjects
Acute Disease, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Prospective Studies, Time Factors, Venous Thromboembolism mortality, Emergency Medical Services methods, Hospitalization, Venous Thromboembolism prevention & control
Abstract

Background: Misuse of thromboprophylaxis may increase preventable complications for hospitalized medical patients., Objectives: To assess the net clinical benefit of a multifaceted intervention in emergency wards (educational lectures, posters, pocket cards, computerized clinical decision support systems and, where feasible, electronic reminders) for the prevention of venous thromboembolism., Patients/methods: Prospective cluster-randomized trial in 27 hospitals. After a pre-intervention period, centers were randomized as either intervention (n = 13) or control (n = 14). All patients over 40 years old, admitted to the emergency room, and hospitalized in a medical ward were included, totaling 1,402 (712 intervention and 690 control) and 15,351 (8,359 intervention and 6,992 control) in the pre-intervention and intervention periods, respectively., Results: Symptomatic venous thromboembolism or major bleeding (primary outcome) occurred at 3 months in 3.1% and 3.2% of patients in the intervention and control groups, respectively (adjusted odds ratio: 1.02 [95% confidence interval: 0.78-1.34]). The rates of thromboembolism (1.9% vs. 1.9%), major bleedings (1.2% vs. 1.3%), and mortality (11.3% vs. 11.1%) did not differ between the groups. Between the pre-intervention and intervention periods, the proportion of patients who received prophylactic anticoagulant treatment more steeply increased in the intervention group (from 35.0% to 48.2%: +13.2%) than the control (40.7% to 44.1%: +3.4%), while the rate of adequate thromboprophylaxis remained stable in both groups (52.4% to 50.9%: -1.5%; 49.1% to 48.8%: -0.3%)., Conclusions: Our intervention neither improved adequate prophylaxis nor reduced the rates of clinical events. New strategies are required to improve thromboembolism prevention for hospitalized medical patients., Trial Registration: ClinicalTrials.gov NCT01212393.

Published
2016
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