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273 results on '"Hekster, Yechiel"'

13. Assessment of drug-drug interactions between tenofovir disoproxil fumarate and the nonnucleoside reverse transcriptase inhibitors nevirapine and efavirenz in HIV-infected patients

Author

Droste, Jacqueline A.H., Kearney, Brian P., Hekster, Yechiel A., and Burger, David M.

Subjects
Reverse transcriptase inhibitors -- Research, Tenofovir -- Dosage and administration, HIV patients -- Care and treatment, HIV infection -- Care and treatment, HIV infection -- Drug therapy, Health
Abstract

A study is conducted to assess the interactions between the drugs, namely tenofovir disoproxil fumarate (TDF) and the two nonnucleoside reverse inhibitors, nevirapine and efavirenz, which are used in the treatment of HIV-infected patients. The data obtained from the study demonstrates that these drugs, which can be co-administered without any need for dose adjustments, do not affect the plasma levels of the inhibitors.

Published
2006

20. Assessment of adherence to HIV protease inhibitors: comparison and combination of various methods, including MEMS (electronic monitoring), patient and nurse report, and therapeutic drug monitoring

Author

Hugen, Patricia W. H., Langebeek, Nienke, Burger, David M., Leusen, Rob van, Schuurman, Rob, Koopmans, Peter P., Hekster, Yechiel A., and Zomer, Bert

Subjects
HIV infection -- Prevention, HIV infection -- Research, HIV infection -- Health aspects, Epidemiology -- Statistics, Epidemiology -- Research, HIV patients -- Health aspects, HIV patients -- Care and treatment, Protease inhibitors -- Physiological aspects, Drug utilization -- Methods, Antiviral agents -- Usage, Antiviral agents -- Physiological aspects, Health
Abstract

Research has been conducted on the adherence to protease inhibitor-containing antiretroviral therapy. The different adherence-measuring methods have been investigated in comparing the information provided by these methods in order to improve adherence via developing effective interventions.

Published
2002

24. Dose-finding study of a once-daily indinavir/ritonavir regimen

Author

Hugen, patricia W.H., Burger, David M., Hofstede, Hadewych J.M. ter, Koopmans, Peter P., Stek, Michael, Hekster, Yechiel A., Reiss, Peter, and Lange, Joep M.A.

Subjects
Indinavir -- Dosage and administration, Ritonavir -- Dosage and administration, HIV infection -- Drug therapy, Health
Abstract

Researchers determined the best combination dosage of the protease inhibitors indinavir and ritonavir so they could be taken once a day rather than two or three times a day. This is possible because ritonavir slows the metabolism of indinavir, making it last longer in the body.

Published
2000

35. Abstracts of posters

Author

Suffisseau L., Taugourdeau M. C., Goldstein F. W., Mainardi J. L., Larrouturou Ph., Romero, M., Cervino, A. R., Albertone, G., Di Pasquale, R., Venturini, F., Congedo, R., Benettolo, F., Pistolesi, C., Olivato, R., Casasin T., Agusti C., Gurrera M. T., Fabregas X., Rizo A., Badia J. M., Santa-Olalla M., Marini, P., Rampazzo, R., Scroccaro, G., Dell'Aera, M., Luzzi, R., Ciccarone, G., Martinet, N., Beney, J., Marty, S., Reymond, J. -Ph., Cairns, Chris, Morgutti M., Posco M., Moltempi M., Lonqhini P., Rossignoli A., Rihet, P., Carles, G., Braguer, D., Azulay, J. P., Pouget, J., Pelletier, J., Crevat, A., Past.o, L., Barroso, E., Pujol, R., Ferrer, I., Ibars, M., Llop, J. M., Frankfort, Ellen, van Dongen, Robert T. M., Hekster, Yechiel A., Kart, T., Rasmussen, M., Horn, A., Wested, L., Gagyi, O., Markó, E., Regazzi M. B., Martinelli L., Goggi C., Bellotti E., Molinaro M., Rinaldi M., Gavazzi A., Buggia I., Daneri A., Guarnone E., Bascapē V., Viganô M., Lazzaro, A., Palozzo, A., Banfi R., Borselli G., Fabbiani P., Marinai C., Delorme, J., Tubiana, N., Buck, M., Chinot, O., De Wever, C., Robays, H., Montoro J. B., Flores G., Juárez J. C., Juste C., Jardí R., Altisent C., Tusell J. M., Arpinelli, F., De Carli, G., Olivieri, A., Recchia, G., Rossignoli A., Longhini P., La Guidara C., Russo B., Moltempi M., Tamés, M. J., Cajaraville, G., Ponz, L., Echaniz, E., Garcia, B., van Mil, J. W. Foppe, Leufkens, Hubert G., v. Haelst, Ingrid M. M., Parel, Piet C. M., Scholten, Wim K., Sessink, F. G. M., Raschatt, R., Traversa, G., Donini, G., Arpino, C., Da Cas, R., Pasquin, P., Bernadotte af Wisborg G., Claesson C., Lundberg O., Thorslund M., Ferraro L., Marrazzo E., Ostino G., Tognoni G., Heerdink, Eibert R., Koppedraaijer, Corrie, Bakker, Albert, Bidoli E., Battistin M., Troncon M. G., Franceschi S., Serraino D., Marino, M., Matera, M. G., Berrino, L., Contaldi, C., Piucci, B., Rossi, F., Rolle C., Marrazzo E. 0., Murgia, V., Bussi, R., Schievano, P., Pedrini, A., Baraghini, M., Benini, A., Cataldo, M. M., Galletti, P., Magnani, M., Manzoli, M., Novi, M. V., Pezzi, O., Font M., Salmaso A. B., Mezzalira L., Braybrook, Saran, Walker, Roger, van Mil, J. W. F., Tromp, F. T. J., de Jong-v.d. Berg, L. T. W., Bakker, A., Paes, A. H. P., Soe-Agnie, C., Llopis, P., Tortajada, J. J., Font, I., Climente, M., Real, J. V., Almenar, D., Molins, C., Jiménez, N. V., Bellés Medall MD, Casterá Melchor DE, Marco Sena MA, Cantarinz Marti I., Abad Gimeno FJ, Török, J., Thurzó, L., Juárez J. C., Oliveras M., Hidalgo E., Cabañas M. J., Barroso C., Moraga F. A., Sánchez de Toledo J., Kollöffel, W. J., Driessen, F. G. W. H. M., Goldhoorn, P. B., Moral, M. A., Roglan, A., Mangues, M. A., Bonal, J., Clopés, A., Badell, I., Fraga, G., Deinum, J. T., van Lingen, R. A., Quak, J. M. E., Kuizenga, A. J., van Dam, J. G., Villani P., Maserati R., Viale P., Alberici F., Iacona I., Wasieczko, A., Szymura-Oleksiak, J., Wyska, E., Magulova, L., Sirotiakova, J., Letkovicova, M., Branger, E., Besse, D., Blin, O., Bille, F., Serratrice, G., Desnuelle, C., Grassin, J., Reben, I., Meunier, Ph., Antier, D., Berthet, M., Søndergaard B., Herborg H., Frøkjær B., Hepler C., Steckner, H., Bergold, A., Drings, P., Märkel, A., Manegold, C., Venning, Mary, Pazzagli, Luciana, Semmola, Maria Vittoria, Mannoni, Alessandro, Tersen I., Huchet J., Sevilla, E., Ferrari, J. M., Herreros de Tejada, A., Congedo, R., Font, M., Fraccaro, A., Osti, M., Pappagallo, G., Spolaor, A., Terrazzani, G., Vezzani, M., Edouard B., Laine G., Geeraerts D., Robays H., Carrera-Hueso, F. J., Font, B., Marquina, C., Idoate, A., Giráldez, J., Fernández, E., Lacasa, C., Guzzo, D., Martini, N., Boya, P. Giner, González, M. M. Negredo, Agulló, J. Muñoz, Mansilla, L. Lorente, Nahata, Milap C., Troncon, M. G., Cattaruzzi, C., Bilbao G., Galende I., Atañé C., Bermudez de Castro A., Delgado O., Escribano B., Frías J., Gabriel R., Gómez J. A., Gracia D., Gutiérrez E., Hellín T., Izquierdo J. L., Moreno A., Requena T., Sainz-Terreros M., Tejedor J. C., Torralba A., Vigil D., Scuffi, C., Trallori, G., Messori, A., Bardazzi, G., Bonanomi, A., Silvano, R., D'Albasio, G., Bardelli, F., Verona, Firenzee, Bardelli, F., Corrado, A., Ferriols R., Aleixander M. J., Garcia J., Faus M., Ibañez E., Alós M., Rinaldi, M., Pharmacy & Therapeutic Committee (Ps&TC), Collaborative Group, SIFO-Veneto Working Group on Clinical Trials, Working Group on the Elaboration of an Approval Conditions Document to certify the Clinical Trials Ethics Committees in the Autonomous Community of Madrid, and Area SIFO di Metanalisi

Published
1994
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48. The need for clinical pharmacy

Author

Scroccaro, Giovanna, Alós almiñana, Manuel, Floor-Schreudering, Annemieke, Hekster, Yechiel A., and Huon, Yvan

Published
2000

49. Anti-infliximab antibodies are already detectable in most patients with rheumatoid arthritis halfway through an infusioncycle: an open-label pharmacokinetic cohort study

Author

van Riel Piet LCM, Hekster Yechiel A, Wolbink GJ, den Broeder Alfons A, van den Bemt Bart JF, Benraad Bart, and van den Hoogen Frank HJ

Subjects
Diseases of the musculoskeletal system, RC925-935
Abstract

Abstract Background This study in patients with rheumatoid arthritis (RA) treated with infliximab describes prospectively the course of (anti)infliximab levels within an infusioncycle to assess at what moment patients develop low/no infliximab trough levels and/or detectable anti-infliximab levels. Methods Infliximab treated RA patients were included in this descriptive open-label cohort study. During one infusioncycle (anti-)infliximab levels were assessed just before and one hour after infusion, and subsequently at 50%, 75% and at the end of the infusioncycle (pre-infusion). Results 27 patients were included. The median infliximab levels decreased from 77.0 mg/l (p25-p75: 65-89) one hour after the infusion to pre-infusion levels of 0.0 mg/l (p25-p75: 0.0-3.1). In 7 (26%) patients pre-infusion anti-infliximab antibodies were detected; these antibodies were already present halfway through the infusioncycle in 5 of the 7 individuals. Patients with detectable pre-infusion anti-infliximab antibodies have significantly more often low/no infliximab levels (< 1 mg/l) halfway trough the infusioncycle (in 5/7 patients) compared to patients without detectable pre-infusion anti-infliximab antibodies (0/20 patients, p < 0.001). Conclusions Most anti-infliximab forming patients have detectable anti-infliximab antibodies halfway through an infusioncycle, which implies that these patients are exposed to nontherapeutical infliximab levels during more than halve of their infusion cycle. As none of the patients without anti-infliximab antibodies had no/low-infliximab levels halfway through the infusioncycle, the presence of pre-infusion anti-infliximab antibodies seems a sensitive and specific predictor for no/low infliximab-levels

Published
2011
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