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1. Cohort Enrichment Strategies for Progressive Interstitial Lung Disease in Systemic Sclerosis From European Scleroderma Trials and Research

Author

Hoffmann-Vold A. -M., Brunborg C., Airo P., Ananyeva L. P., Czirjak L., Guiducci S., Hachulla E., Li M., Mihai C., Riemekasten G., Sfikakis P. P., Valentini G., Kowal-Bielecka O., Allanore Y., Distler O., Vacca A., Giollo A., Balbir-Gurman A., Gheorghiu A. M., Marcoccia A., Herrick A., Radic M., Stamenkovic B., Anic B., Granel B., Ribi C., Selmi C. F., Carlos de la Puente M., de Souza Muller C., Denton C., Kayser C., Tanaseanu C. -M., Majewski D., Rimar D., Krasowska D., Veale D., Walker U., Kerzberg E., Rezus E., Zanatta E., Siegert E., De Langhe E., Oksel F., Ingegnoli F., Cantatore F. P., Szucs G., Cuomo G., Seskute G., Litinsky V., Castellvi I., Morovic-Vergles J., Sibilia J., Henes J., Solanki K., Perdan-Pirkmajer K., Herrmann K., Saketkoo L. A., Stamp L., Mouthon L., Salvador M. J., Pozzi M. R., Uprus M., Vanthuyne M., Engelhart M., Kohm M., Iudici M., Inanc M., Fathi N., Pamuk N., Garcia de la Pena Lefebv P., Carreira P. E., Bancel D. F., Moroncini L., Montecucco C., Ancuta C., Sunderkotter C., Muller-Ladner U., Rosato E., Kucharz E. J., Iannone F., Del Galdo F., Poormoghim H., Kotter I., Distler J., Cutolo M., Tikly M., Damjanov N., Hunzelmann N., Vlachoyiannopoulos P., Hasler P., Sarzi Puttini P., Wiland P., Becvar R., Yavuz S., Zdrojewski Z., Pellerito R., Foti R., Ionescu R. M., Adler S., Kahl S., Moiseev S., Stebbings S., Rednic S., Negrini S., Heitmann S., Ullman S., Agachi S., Martin T., Schmeiser T., Riccieri V., Smith V., Bernardino V., Ortiz-Santamaria V., Hsu V. M., Abdel Atty Mohamed W. A., Hoffmann-Vold, A. -M., Brunborg, C., Airo, P., Ananyeva, L. P., Czirjak, L., Guiducci, S., Hachulla, E., Li, M., Mihai, C., Riemekasten, G., Sfikakis, P. P., Valentini, G., Kowal-Bielecka, O., Allanore, Y., Distler, O., Vacca, A., Giollo, A., Balbir-Gurman, A., Gheorghiu, A. M., Marcoccia, A., Herrick, A., Radic, M., Stamenkovic, B., Anic, B., Granel, B., Ribi, C., Selmi, C. F., Carlos de la Puente, M., de Souza Muller, C., Denton, C., Kayser, C., Tanaseanu, C. -M., Majewski, D., Rimar, D., Krasowska, D., Veale, D., Walker, U., Kerzberg, E., Rezus, E., Zanatta, E., Siegert, E., De Langhe, E., Oksel, F., Ingegnoli, F., Cantatore, F. P., Szucs, G., Cuomo, G., Seskute, G., Litinsky, V., Castellvi, I., Morovic-Vergles, J., Sibilia, J., Henes, J., Solanki, K., Perdan-Pirkmajer, K., Herrmann, K., Saketkoo, L. A., Stamp, L., Mouthon, L., Salvador, M. J., Pozzi, M. R., Uprus, M., Vanthuyne, M., Engelhart, M., Kohm, M., Iudici, M., Inanc, M., Fathi, N., Pamuk, N., Garcia de la Pena Lefebv, P., Carreira, P. E., Bancel, D. F., Moroncini, L., Montecucco, C., Ancuta, C., Sunderkotter, C., Muller-Ladner, U., Rosato, E., Kucharz, E. J., Iannone, F., Del Galdo, F., Poormoghim, H., Kotter, I., Distler, J., Cutolo, M., Tikly, M., Damjanov, N., Hunzelmann, N., Vlachoyiannopoulos, P., Hasler, P., Sarzi Puttini, P., Wiland, P., Becvar, R., Yavuz, S., Zdrojewski, Z., Pellerito, R., Foti, R., Ionescu, R. M., Adler, S., Kahl, S., Moiseev, S., Stebbings, S., Rednic, S., Negrini, S., Heitmann, S., Ullman, S., Agachi, S., Martin, T., Schmeiser, T., Riccieri, V., Smith, V., Bernardino, V., Ortiz-Santamaria, V., Hsu, V. M., and Abdel Atty Mohamed, W. A.

Subjects
interstitial lung disease, Pulmonary and Respiratory Medicine, enrichment, systemic sclerosis, clinical trial, Cardiology and Cardiovascular Medicine, Critical Care and Intensive Care Medicine
Abstract

BACKGROUND: Enrichment strategies from clinical trials for progressive systemic sclerosis-associated interstitial lung disease (SSc-ILD) have not been tested in a real-life cohort.RESEARCH QUESTION: Do enrichment strategies for progressive ILD impact efficacy, repre-sentativeness, and feasibility in patients with SSc-ILD from the European Scleroderma Trials and Research (EUSTAR) database?STUDY DESIGN AND METHODS: We applied the inclusion criteria of major recent SSc-ILD trials (Study of the Efficacy and Safety of Tocilizumab in Participants With Systemic Sclerosis [focuSSced], Scleroderma Lung Study II [SLS II], and Safety and Efficacy of Nintedanib in Systemic Sclerosis [SENSCIS]) and assessed progressive ILD, which was defined as absolute change in FVC and as significant progression (FVC decline $10%). Data were compared with all patients and with patients who did not fulfill any inclusion criteria. RESULTS: In total, 2,258 patients with SSc-ILD were included: 31.2% of the patients met SENSCIS criteria; 5.8% of the patients met SLS II criteria; 1.6% of the patients met focuSSced criteria, and 67.7% (1,529) of the patients did not meet any criteria. In the first 12 + 3 months, the absolute FVC decline in all patients and in patients who fulfilled criteria from SENSCIS was -0.1%, in patients who fulfilled criteria from focuSSced was -3.7%, and in patients who fulfilled criteria from SLS II was 2.3%, with accompanying more progressors in focuSSced. The patient populations that fulfilled the different study inclusion criteria significantly differed in various clinical parameters. In the second 12-month period, SENSCIS-enriched patients had a further absolute FVC% decline as described for the total cohort. In contrast, patients who fulfilled the focuSSced and SLS II criteria showed numeric improvement of lung function. There were no significant associations of enrichment criteria and ILD progression.INTERPRETATION: The application of enrichment criteria from previous clinical trials showed enrichment for progression with variable success, which led to selected patient populations reducing feasibility of recruitment. These findings are important for future clinical trial design and interpretation of the results of published trials.CHEST 2023; 163(3):586-598

Published
2023
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2. What have multicentre registries across the world taught us about the disease features of systemic sclerosis?

Author

Proudman S. M., Huq M., Stevens W., Wilson M. E., Sahhar J., Baron M., Hudson M., Pope J., Allanore Y., Distler O., Kowal-Bielecka O., Matucci-Cerinic M., H. L. Low A., Teng G. G., Law W. G., Santosa A., Nikpour M., Hill C., Lester S., Nash P., Ngian G. -S., Proudman S., Rischmueller M., Roddy J., Strickland G., Thakkar V., Walker J., Zochling J., Markland J., Robinson D., Jones N., Khalidi N., Docherty P., Kaminska E., Masetto A., Sutton E., Mathieu J. -P., Ligier S., Grodzicky T., LeClercq S., Thorne C., Gyger G., Smith D., Fortin P. R., Larche M., Abu-Hakima M., Rodriguez-Reyna T. S., Cabral A. R., Fritzler M., Avouac J., Walker U. A., Guiducci S., Riemekasten G., Air P., Hachulla E., Valentini G., Carreira P. E., Cozzi F., Gurman A. B., Braun-Moscovici Y., Damjanov N., Ananieva L. P., Scorza R., Jimenez S., Busquets J., Li M., Muller-Ladner U., Maurer B., Tyndall A., Lapadula G., Iannone F., Becvar R., Sierakowsky S., Cutolo M., Sulli A., Cuomo G., Vettori S., Rednic S., Nicoara I., Vlachoyiannopoulos P., Montecucco C., Caporali R., Novak S., Czirjak L., Varju C., Chizzolini C., Kucharz E. J., Kotulska A., Kopec-Medrek M., Widuchowska M., Rozman B., Mallia C., Coleiro B., Gabrielli A., Farge D., Hij A., Hesselstrand R., Scheja A., Wollheim F., Martinovic D., Govoni M., Lo Monaco A., Hunzelmann N., Pellerito R., Bambara L. M., Caramaschi P., Black C., Denton C., Henes J., Santamaria V. O., Heitmann S., Krasowska D., Seidel M., Oleszowsky M., Burkhardt H., Himsel A., Salvador M. J., Stamenkovic B., Stankovic A., Tikly M., Starovoytova M. N., Engelhart M., Strauss G., Nielsen H., Damgaard K., Szucs G., Mendoza A. Z., de la Puente Buijdos C., Giraldo W. A. S., Midtvedt O., Garen T., Launay D., Valesini G., Riccieri V., Ionescu R. M., Opris D., Groseanu L., Wigley F. M., Mihai C. M., Cornateanu R. S., Ionitescu R., Gherghe A. M., Gorga M., Dobrota R., Bojinca M., Schett G., Distler J. H., Meroni P., Zeni S., Mouthon L., De Keyser F., Smith V., Cantatore F. P., Corrado A., Ullman S., Iversen L., Pozzi M. R., Eyerich K., Hein R., Knott E., Szechinski J., Wiland P., Szmyrka-Kaczmarek M., Sokolik R., Morgiel E., Krummel-Lorenz B., Saar P., Aringer M., Gunther C., Anic B., Baresic M., Mayer M., Radominski S. C., de Souza Muller C., Azevedo V. F., Agachi S., Groppa L., Chiaburu L., Russu E., Zenone T., Stebbings S., Highton J., Stamp L., Chapman P., O'Donnell J., Solanki K., Doube A., Veale D., O'Rourke M., Loyo E., Rosato E., Pisarri S., Tanaseanu C. -M., Popescu M., Dumitrascu A., Tiglea I., Chirieac R., Ancuta C., Furst D. E., Kafaja S., Garcia de la Pena Lefebvre P., Rubio S. R., Exposito M. V., Sibilia J., Chatelus E., Gottenberg J. E., Chifflot H., Litinsky I., Venalis A., Butrimiene I., Venalis P., Rugiene R., Karpec D., Kerzberg E., Montoya F., Cosentino V., Low A. H. L., Teng G., Chan G., Lim A. Y. N., Ng S. C., Proudman, S. M., Huq, M., Stevens, W., Wilson, M. E., Sahhar, J., Baron, M., Hudson, M., Pope, J., Allanore, Y., Distler, O., Kowal-Bielecka, O., Matucci-Cerinic, M., H. L. Low, A., Teng, G. G., Law, W. G., Santosa, A., Nikpour, M., Hill, C., Lester, S., Nash, P., Ngian, G. -S., Proudman, S., Rischmueller, M., Roddy, J., Strickland, G., Thakkar, V., Walker, J., Zochling, J., Markland, J., Robinson, D., Jones, N., Khalidi, N., Docherty, P., Kaminska, E., Masetto, A., Sutton, E., Mathieu, J. -P., Ligier, S., Grodzicky, T., Leclercq, S., Thorne, C., Gyger, G., Smith, D., Fortin, P. R., Larche, M., Abu-Hakima, M., Rodriguez-Reyna, T. S., Cabral, A. R., Fritzler, M., Avouac, J., Walker, U. A., Guiducci, S., Riemekasten, G., Air, P., Hachulla, E., Valentini, G., Carreira, P. E., Cozzi, F., Gurman, A. B., Braun-Moscovici, Y., Damjanov, N., Ananieva, L. P., Scorza, R., Jimenez, S., Busquets, J., Li, M., Muller-Ladner, U., Maurer, B., Tyndall, A., Lapadula, G., Iannone, F., Becvar, R., Sierakowsky, S., Cutolo, M., Sulli, A., Cuomo, G., Vettori, S., Rednic, S., Nicoara, I., Vlachoyiannopoulos, P., Montecucco, C., Caporali, R., Novak, S., Czirjak, L., Varju, C., Chizzolini, C., Kucharz, E. J., Kotulska, A., Kopec-Medrek, M., Widuchowska, M., Rozman, B., Mallia, C., Coleiro, B., Gabrielli, A., Farge, D., Hij, A., Hesselstrand, R., Scheja, A., Wollheim, F., Martinovic, D., Govoni, M., Lo Monaco, A., Hunzelmann, N., Pellerito, R., Bambara, L. M., Caramaschi, P., Black, C., Denton, C., Henes, J., Santamaria, V. O., Heitmann, S., Krasowska, D., Seidel, M., Oleszowsky, M., Burkhardt, H., Himsel, A., Salvador, M. J., Stamenkovic, B., Stankovic, A., Tikly, M., Starovoytova, M. N., Engelhart, M., Strauss, G., Nielsen, H., Damgaard, K., Szucs, G., Mendoza, A. Z., de la Puente Buijdos, C., Giraldo, W. A. S., Midtvedt, O., Garen, T., Launay, D., Valesini, G., Riccieri, V., Ionescu, R. M., Opris, D., Groseanu, L., Wigley, F. M., Mihai, C. M., Cornateanu, R. S., Ionitescu, R., Gherghe, A. M., Gorga, M., Dobrota, R., Bojinca, M., Schett, G., Distler, J. H., Meroni, P., Zeni, S., Mouthon, L., De Keyser, F., Smith, V., Cantatore, F. P., Corrado, A., Ullman, S., Iversen, L., Pozzi, M. R., Eyerich, K., Hein, R., Knott, E., Szechinski, J., Wiland, P., Szmyrka-Kaczmarek, M., Sokolik, R., Morgiel, E., Krummel-Lorenz, B., Saar, P., Aringer, M., Gunther, C., Anic, B., Baresic, M., Mayer, M., Radominski, S. C., de Souza Muller, C., Azevedo, V. F., Agachi, S., Groppa, L., Chiaburu, L., Russu, E., Zenone, T., Stebbings, S., Highton, J., Stamp, L., Chapman, P., O'Donnell, J., Solanki, K., Doube, A., Veale, D., O'Rourke, M., Loyo, E., Rosato, E., Pisarri, S., Tanaseanu, C. -M., Popescu, M., Dumitrascu, A., Tiglea, I., Chirieac, R., Ancuta, C., Furst, D. E., Kafaja, S., Garcia de la Pena Lefebvre, P., Rubio, S. R., Exposito, M. V., Sibilia, J., Chatelus, E., Gottenberg, J. E., Chifflot, H., Litinsky, I., Venalis, A., Butrimiene, I., Venalis, P., Rugiene, R., Karpec, D., Kerzberg, E., Montoya, F., Cosentino, V., Low, A. H. L., Teng, G., Chan, G., Lim, A. Y. N., and Ng, S. C.

Subjects
0301 basic medicine, medicine.medical_specialty, Pediatrics, Survival, Immunology, Disease, Scleroderma, 03 medical and health sciences, 0302 clinical medicine, Rheumatology, Internal medicine, Immunology and Allergy, Medicine, Multicentre registrie, 030203 arthritis & rheumatology, Clinical features, Cohort study, Multicentre registries, Systemic sclerosis, business.industry, Interstitial lung disease, Autoantibody, Clinical features, medicine.disease, 030104 developmental biology, Clinical feature, Cohort, business, Cohort study, Rheumatism
Abstract

Introduction The aim of this study is to compare the clinical features, mortality and causes of death of systemic sclerosis (SSc) patients in four large multicentre registries. Methods Patients seen at least once in the Australian Scleroderma Cohort Study (ASCS) (n = 1714), the Canadian Scleroderma Research Group (CSRG) (n = 1628), the European League Against Rheumatism Scleroderma Trials and Research (EUSTAR) Network (n = 13,996) and the Systemic Sclerosis Cohort in Singapore (SCORE) (n = 500) before August 2016 were included. Clinical manifestations and survival in cohorts and disease subtypes were compared. Results Among 17,838 SSc patients, most were female (86.1%), Caucasian (84.6%) and had the limited cutaneous subtype (lcSSc) (65.0%). The anti-centromere autoantibody was the most prevalent (37.6%). More patients in SCORE had the diffuse subtype (dcSSc) (49.3%) and Scl-70 autoantibody (38.8%) (pConclusions This meta-cohort of SSc patients, the largest reported to date, provides insights into the impact of race and sex on disease manifestations and survival and confirms the early mortality in this disease.

Published
2017
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3. Characteristics of joint involvement and relationships with systemic inflammation in systemic sclerosis: results from the EULAR Scleroderma Trial and Research Group (EUSTAR) database

Author

Avouac, Jerome, Walker, Ulrich, Tyndall, Alan, Kahan, André, Matucci Cerinic, Marco, Allanore, Yannick, Miniati, I., Müller, A., Iannone, F., Giacomelli, R., Distler, O., Becvar, R., Sierakowsky, S., Kowal Bielecka, O., Coelho, P., Cabane, J., Cutolo, M., Shoenfeld, Y., Rovensky, J., Riemekasten, G., Nicoara, I., Vlachoyiannopoulos, P., Caporali, R., Jiri, S., Inanc, M., Gorska, I. Zimmermann, Carreira, P., Novak, S., Czirjak, L., Ramos, F. Oliveira, Jendro, M., Chizzolini, C., Kucharz, E. J., Richter, J., Cozzi, F., Rozman, B., Mallia, C. M., Gabrielli, A., Farge, D., Kiener, H. P., Schöffel, D., Sticherling, M., Airo, P., Wollheim, F., Martinovic, D., Trotta, F., Hunzelmann, N., Jablonska, S., Reich, K., Bombardieri, S., Siakka, P., Pellerito, R., Bambara, L. M., Morovic Vergles, J., Denton, C., Hinrichs, R., Van Den Hoogen, F., Damjanov, N., Kötter, I., Ortiz, V., Heitmann, S., Krasowska, D., Seidel, M., Hasler, P., Van Laar, J. M., Kaltwasser, J. P., Foeldvari, I., Juan Mas, A., Bajocchi, G., Wislowska, M., Pereira Da Silva, J. A., Jacobsen, S., Worm, M., Graniger, W., Kuhn, A., Stankovic, A., Cossutta, R., Majdan, M., Rajcevska, L. Damjanovska, Tikly, M., Nasonov, E. L., Steinbrink, K., Herrick, A., Müller Ladner, U., Dinc, A., Scorza, R., Sondergaard, K., Indiveri, F., Nielsen, H., Szekanecz, Z., Silver, R. M., Antivalle, M., Espinosa, I. B., García De La Pena Lefebvre, P., Midtvedt, O., Launay, D., Valesini, F., Tuvik, P., Ionescu, R. M., Del Papa, N., Pinto, S., Wigley, F., Mihai, C., Capranu, M. Sinziana, Sunderkötter, C., Jun, J. B., Derk, C., Alhasani, S., Distler, J. H., Ton, E., Soukup, T., Seibold, J., Zeni, S., Nash, P., Mouthon, L., De Keyser, F., Duruöz, M. T., Cantatore, F. P., Strauss, G., Von Mülhen, C. A., Pozzi, M. R., Eyerich, K., Szechinski, J., Keiserman, M., Houssiau, F. A., Rom Ivorra, J. A., Krummel Lorenz, B., Aringer, M., Westhovens, R., Bellisai, F., Mayer, M., Stoeckl, F., Üprus, M., Volpe, A., Buslau, M., Yavuz, S., Granel, B., Feijó, A. Valderílio, Del Galdo, F., Popa, S., Zenone, T., Machado, X. Ricardo, Pileckyte, M., Stebbings, S., Mathieu, A., Tulli, A., Tourinho, T., Souza, R., Acayaba De Toledo, R., Stamp, L., Solanki, K., Veale, D., Neto, J. Francisco Marques, Bagnato, G. F., Loyo, E., Toloza, S., Li, M., Mohamed, W. Ahmed Abdel Atty, Cobankara, V., Olas, J., Salsano, F., Oksel, F., Tanaseanu, C. M., Foti, R., Ancuta, C., Vonk, M., Caramashi, P., Beretta, L., Balbir, A., Shine, B., Chiàla, A., Simic, K. Pasalic, Ghio, M., Stamenkovic, B., Rednic, S., Host, N., Hachulla, E., Furst, D. E., VALENTINI, Gabriele, Avouac, Jerome, Walker, Ulrich, Tyndall, Alan, Kahan, André, Matucci Cerinic, Marco, Allanore, Yannick, Miniati, I., Müller, A., Iannone, F., Giacomelli, R., Distler, O., Becvar, R., Sierakowsky, S., Kowal Bielecka, O., Coelho, P., Cabane, J., Cutolo, M., Shoenfeld, Y., Valentini, Gabriele, Rovensky, J., Riemekasten, G., Nicoara, I., Vlachoyiannopoulos, P., Caporali, R., Jiri, S., Inanc, M., Gorska, I. Zimmermann, Carreira, P., Novak, S., Czirjak, L., Ramos, F. Oliveira, Jendro, M., Chizzolini, C., Kucharz, E. J., Richter, J., Cozzi, F., Rozman, B., Mallia, C. M., Gabrielli, A., Farge, D., Kiener, H. P., Schöffel, D., Sticherling, M., Airo, P., Wollheim, F., Martinovic, D., Trotta, F., Hunzelmann, N., Jablonska, S., Reich, K., Bombardieri, S., Siakka, P., Pellerito, R., Bambara, L. M., Morovic Vergles, J., Denton, C., Hinrichs, R., Van Den Hoogen, F., Damjanov, N., Kötter, I., Ortiz, V., Heitmann, S., Krasowska, D., Seidel, M., Hasler, P., Van Laar, J. M., Kaltwasser, J. P., Foeldvari, I., Juan Mas, A., Bajocchi, G., Wislowska, M., Pereira Da Silva, J. A., Jacobsen, S., Worm, M., Graniger, W., Kuhn, A., Stankovic, A., Cossutta, R., Majdan, M., Rajcevska, L. Damjanovska, Tikly, M., Nasonov, E. L., Steinbrink, K., Herrick, A., Müller Ladner, U., Dinc, A., Scorza, R., Sondergaard, K., Indiveri, F., Nielsen, H., Szekanecz, Z., Silver, R. M., Antivalle, M., Espinosa, I. B., García De La Pena Lefebvre, P., Midtvedt, O., Launay, D., Valesini, F., Tuvik, P., Ionescu, R. M., Del Papa, N., Pinto, S., Wigley, F., Mihai, C., Capranu, M. Sinziana, Sunderkötter, C., Jun, J. B., Derk, C., Alhasani, S., Distler, J. H., Ton, E., Soukup, T., Seibold, J., Zeni, S., Nash, P., Mouthon, L., De Keyser, F., Duruöz, M. T., Cantatore, F. P., Strauss, G., Von Mülhen, C. A., Pozzi, M. R., Eyerich, K., Szechinski, J., Keiserman, M., Houssiau, F. A., Rom Ivorra, J. A., Krummel Lorenz, B., Aringer, M., Westhovens, R., Bellisai, F., Mayer, M., Stoeckl, F., Üprus, M., Volpe, A., Buslau, M., Yavuz, S., Granel, B., Feijó, A. Valderílio, Del Galdo, F., Popa, S., Zenone, T., Machado, X. Ricardo, Pileckyte, M., Stebbings, S., Mathieu, A., Tulli, A., Tourinho, T., Souza, R., Acayaba De Toledo, R., Stamp, L., Solanki, K., Veale, D., Neto, J. Francisco Marque, Bagnato, G. F., Loyo, E., Toloza, S., Li, M., Mohamed, W. Ahmed Abdel Atty, Cobankara, V., Olas, J., Salsano, F., Oksel, F., Tanaseanu, C. M., Foti, R., Ancuta, C., Vonk, M., Caramashi, P., Beretta, L., Balbir, A., Shine, B., Chiàla, A., Simic, K. Pasalic, Ghio, M., Stamenkovic, B., Rednic, S., Host, N., Hachulla, E., Furst, D. E., Chizzolini, Carlo, and Westhovens, Rene

Subjects
Male, Systemic disease, Databases, Factual, Cross-sectional study, Joint Diseases/etiology/pathology/physiopathology, Systemic inflammation, Joint involvement, Scleroderma, systemic sclrosis, systemic inflemmetion, joint involvement, Tendons, Systemic sclerosi, Scleroderma, Localized, 0302 clinical medicine, data base, Immunopathology, joint radiography, Immunology and Allergy, Joints/pathology, scleroderma, 030212 general & internal medicine, nuclear magnetic resonance imaging, Range of Motion, Articular, skin and connective tissue diseases, rheumatic disease, ddc:616, interstitial lung disease, Joint contracture, Clinical Trials as Topic, Synovitis, Inflammation/etiology/pathology/physiopathology, integumentary system, article, Tendons/pathology, Middle Aged, musculoskeletal system, cohort analysis, Connective tissue disease, priority journal, Joint, Synoviti, Systemic sclerosis, Female, medicine.symptom, Joint Diseases, Human, musculoskeletal diseases, Adult, medicine.medical_specialty, hand radiography, Immunology, Scleroderma, Localized/etiology/*pathology, Auto-immunity, transplantation and immunotherapy [N4i 4], 03 medical and health sciences, SYSTEMIC SCLEROSIS, JOINT INVOLVEMENT, SYNOVITIS, JOINT CONTRACTURE, TENDON FRICTION RUB, Tendon friction rub, Rheumatology, Internal medicine, medicine, Humans, Health care ethics [NCEBP 5], Tendon, Aged, 030203 arthritis & rheumatology, Cross-Sectional Studie, Inflammation, skin disease, Scleroderma, Systemic, business.industry, echography, medicine.disease, major clinical study, tenosynovitis, Synovitis/etiology/pathology, clinical feature, body regions, Cross-Sectional Studies, Evaluation of complex medical interventions [NCEBP 2], Scleroderma, Systemic/complications/pathology/physiopathology, Joints, disease duration, business, Joint Disease, disease activity
Abstract

Objective.To determine the prevalence of and independent factors associated with joint involvement in a large population of patients with systemic sclerosis (SSc).Methods.This study was cross-sectional, based on data collected on patients included in the European League Against Rheumatism (EULAR) Scleroderma Trials and Research (EUSTAR) registry. We queried this database to extract data regarding global evaluation of patients with SSc and the presence of any clinical articular involvement: synovitis (tender and swollen joints), tendon friction rubs (rubbing sensation detected as the tendon was moved), and joint contracture (stiffness of the joints that decreased their range of motion). Overall joint involvement was defined by the occurrence of synovitis and/or joint contracture and/or tendon friction rubs.Results.We recruited 7286 patients with SSc; their mean age was 56 ± 14 years, disease duration 10 ± 9 years, and 4210 (58%) had a limited cutaneous disease subset. Frequencies of synovitis, tendon friction rubs, and joint contractures were 16%, 11%, and 31%, respectively. Synovitis, tendon friction rubs, and joint contracture were more prevalent in patients with the diffuse cutaneous subset and were associated together and with severe vascular, muscular, renal, and interstitial lung involvement. Moreover, synovitis had the highest strength of association with elevated acute-phase reactants taken as the dependent variable.Conclusion.Our results highlight the striking level of articular involvement in SSc, as evaluated by systematic examination in a large cohort of patients with SSc. Our data also show that synovitis, joint contracture, and tendon friction rubs are associated with a more severe disease and with systemic inflammation.

Published
2010
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4. Prediction of worsening of skin fibrosis in patients with diffuse cutaneous systemic sclerosis using the EUSTAR database

Author

Maurer, B., Graf, N., Michel, B. A., Muller Ladner, U., Czirjak, L., Denton, C. P., Tyndall, A., Metzig, C., Lanius, V., Khanna, D., Distler, O., Arner, I. H., Cerinic, M. M., Guiducci, S., Walker, U., Lapadula, G., Iannone, F., Becvar, R., Sierakowsky, S., Bielecka, O. K., Cutolo, M., Sulli, A., Valentini, G., Cuomo, G., Vettori, S., Riemekasten, G., Rednic, S., Nicoara, I., Kahan, A., Allanore, Y., Vlachoyiannopoulos, P., Montecucco, C., Caporali, R., Carreira, P. E., Novak, S., Varju, C., Chizzolini, C., Kucharz, E. J., Kotulska, A., Kopec Medrek, M., Widuchowska, M., Cozzi, F., Rozman, B., Mallia, C., Coleiro, B., Gabrielli, A., Farge, D., Hij, A., Airo, P., Hesselstrand, R., Scheja, A., Wollheim, F., Martinovic, D., Gurman, A. B., Braun Moscovici, Y., Govoni, Marcello, LO MONACO, Andrea, Hunzelmann, N., Pellerito, R., Bambara, L. M., Caramaschi, P., Black, C., Damjanov, N., Santamaria, V. O., Heitmann, S., Krasowska, D., Seidel, M., Oleszowsky, M., Burkhardt, H., Himsel, A., Salvador, M. J., Stamenkovic, B., Stankovic, A., Tikly, M., Starovoytova, M. N., Ananieva, L. P., Scorza, R., Engelhart, M., Strauss, G., Nielsen, H., Damgaard, K., Szucs, G., Mendoza, A. Z., Buijdos, C. d. l. P., Sifuentes Giraldo, W. A., Midtvedt, O., Garen, T., Hachulla, E., Launay, D., Valesini, G., Riccieri, V., Ionescu, R. M., Opris, D., Groseanu, L., Wigley, F. M., Mihai, C. M., Cornateanu, R. S., Ionitescu, R., Gherghe, A. M., Gorga, M., Dobrota, R., Bojinca, M., Schett, G., Distler, J. H., Meroni, P., Zeni, P., Mouthon, L., Keyser, F. D., Cantatore, F. P., Corrado, A., Ullman, S., Iversen, L., Pozzi, M. R., Eyerich, K., Hein, R., Knott, E., Szechinski, J., Wiland, P., Szmyrka Kaczmarek, M., Sokolik, R., Morgiel, E., Krummel Lorenz, B., Saar, P., Aringer, M., Gunther, C., Anic, B., Baresic, M., Mayer, M., Radominski, S. C., Muller, C. d. S., Azevedo, V. F., Agachi, S., Groppa, L., Chiaburu, L., Russu, E., Zenone, T., Highton, J., Stamp, L., Chapman, P., O'Donnell, J., Solanki, K., Doube, A., Veale, D., O'Rourke, M., Loyo, E., Li, M., Rosato, E., Pisarri, S., Tanaseanu, C. M., Popescu, M., Dumitrascu, A., Tiglea, I., Chirieac, R., Ancuta, C., Furst, D. E., Kafaja, S., Lefebvre, P. G. d. l. P., Rubio, S. R., Exposito, M. V., Sibilia, J., Chatelus, E., Gottenberg, J. E., Chifflot, H., Litinsky, I., Venalis, A., Butrimiene, I., Venalis, P., Rugiene, R., Karpec, D., Kerzberg, E., Montoya, F., Cosentino, V., Chizzolini, Carlo, Maurer, Britta, Graf, Nicole, Michel, Beat A, Müller Ladner, Ulf, Czirják, László, Denton, Christopher P, Tyndall, Alan, Metzig, Carola, Lanius, Vivian, Khanna, Dinesh, Distler, Oliver, Tarner, Ingo H, Cerinic, Marco Matucci, Guiducci, Serena, Walker, Ulrich, Lapadula, Giovanni, Iannone, Florenzo, Becvar, Radim, Sierakowsky, Stanislaw, Bielecka, Otylia Kowal, Cutolo, Maurizio, Sulli, Alberto, Valentini, Gabriele, Cuomo, Giovanna, Vettori, Serena, Riemekasten, Gabriele, Rednic, Simona, Nicoara, Ileana, Kahan, André, Allanore, Yannick, Vlachoyiannopoulos, P, Montecucco, Carlomaurizio, Caporali, Roberto, Carreira, Patricia E, Novak, Srdan, Varju, Cecilia, Kucharz, Eugene J, Kotulska, Anna, Kopec Medrek, Magdalena, Widuchowska, Malgorzata, Cozzi, Franco, Rozman, Blaz, Mallia, Carmel, Coleiro, Bernard, Gabrielli, Armando, Farge, Dominique, Hij, Adrian, Airò, Paolo, Hesselstrand, Roger, Scheja, Agneta, Wollheim, Frank, Martinovic, Duska, Gurman, Alexandra Balbir, Braun Moscovici, Yolanda, Govoni, M, Monaco, Andrea Lo, Hunzelmann, Nicola, Pellerito, Raffaele, Bambara, Lisa Maria, Caramaschi, Paola, Black, Carol, Damjanov, Nemanja, Santamaria, Vera Ortiz, Heitmann, Stefan, Krasowska, Dorota, Seidel, Matthia, Oleszowsky, Mara, Burkhardt, Harald, Himsel, Andrea, Salvador, Maria J, Stamenkovic, Bojana, Stankovic, Aleksandra, Tikly, Mohammed, Starovoytova, Maya N, Ananieva, Lidia P, Scorza, Raffaella, Engelhart, Merete, Strauss, Gitte, Nielsen, Henrik, Damgaard, Kirsten, Szücs, Gabriella, Mendoza, Antonio Zea, Buijdos, Carlos de la Puente, Giraldo, Walter A. Sifuente, Midtvedt, Øyvind, Garen, Torhild, Hachulla, Eric, Launay, David, Valesini, Guido, Riccieri, Valeria, Ionescu, Ruxandra Maria, Opris, Daniela, Groseanu, Laura, Wigley, Fredrick M, Mihai, Carmen M, Cornateanu, Roxana Sfrent, Ionitescu, Razvan, Gherghe, Ana Maria, Gorga, Marilena, Dobrota, Rucsandra, Bojinca, Mihai, Schett, Georg, Distler, Jörg HW, Meroni, Pierluigi, Zeni, Silvana, Mouthon, Luc, Keyser, Filip De, Cantatore, Francesco P, Corrado, Ada, Ullman, Susanne, Iversen, Line, Pozzi, Maria R, Eyerich, Kilian, Hein, Rüdiger, Knott, Elisabeth, Szechinski, Jacek, Wiland, Piotr, Szmyrka Kaczmarek, Magdalena, Sokolik, Renata, Morgiel, Ewa, Krummel Lorenz, Brigitte, Saar, Petra, Aringer, Martin, Günther, Claudia, Anic, Branimir, Baresic, Marko, Mayer, Miroslav, Radominski, Sebastião C, Müller, Carolina de Souza, Azevedo, Valderílio F, Agachi, Svetlana, Groppa, Liliana, Chiaburu, Lealea, Russu, Eugen, Zenone, Thierry, Highton, John, Stamp, Lisa, Chapman, Peter, O'Donnell, John, Solanki, Kamal, Doube, Alan, Veale, Dougla, O’Rourke, Marie, Loyo, Esthela, Li, Mengtao, Rosato, Edoardo, Pisarri, Simonetta, Tanaseanu, Cristina Mihaela, Popescu, Monica, and University of Zurich

Subjects
Genetics and Molecular Biology (all), Male, Time Factors, Databases, Factual, systemic sclerosis, 2745 Rheumatology, computer.software_genre, Biochemistry, Severity of Illness Index, Outcomes Research, Qualitative Research, Systemic Sclerosis, Adult, Cohort Studies, Creatine Kinase, Decision Support Techniques, Deglutition Disorders, Dyspnea, Female, Fibrosis, Humans, Logistic Models, Middle Aged, Multivariate Analysis, Scleroderma, Diffuse, Sex Factors, Skin, Synovitis, Disease Progression, Rheumatology, Immunology, Biochemistry, Genetics and Molecular Biology (all), Immunology and Allergy, Medicine (all), Scleroderma, skin fibrosis, skin and connective tissue diseases, ddc:616, EUSTAR, Univariate analysis, Database, integumentary system, 10051 Rheumatology Clinic and Institute of Physical Medicine, Orvostudományok, Diffuse, Connective tissue disease, Cohort, 2723 Immunology and Allergy, Cohort study, medicine.medical_specialty, 610 Medicine & health, Klinikai orvostudományok, General Biochemistry, Genetics and Molecular Biology, NO, outcomes research, qualitative research, Databases, 1300 General Biochemistry, Genetics and Molecular Biology, Internal medicine, Severity of illness, medicine, Factual, 2403 Immunology, business.industry, medicine.disease, business, computer
Abstract

ObjectivesTo identify predictive parameters for the progression of skin fibrosis within 1 year in patients with diffuse cutaneous SSc (dcSSc).MethodsAn observational study using the EUSTAR database was performed. Inclusion criteria were dcSSc, American College of Rheumatology (ACR) criteria fulfilled, modified Rodnan skin score (MRSS) ≥7 at baseline visit, valid data for MRSS at 2nd visit, and available follow-up of 12±2 months. Worsening of skin fibrosis was defined as increase in MRSS >5 points and ≥25% from baseline to 2nd visit. In the univariate analysis, patients with progressive fibrosis were compared with non-progressors, and predictive markers with pResultsA total of 637 dcSSc patients were eligible. Univariate analyses identified joint synovitis, short disease duration (≤15 months), short disease duration in females/patients without creatine kinase (CK) elevation, low baseline MRSS (≤22/51), and absence of oesophageal symptoms as potential predictors for progressive skin fibrosis. In the multivariate analysis, by employing combinations of the predictors, 17 models with varying prediction success were generated, allowing cohort enrichment from 9.7% progressive patients in the whole cohort to 44.4% in the optimised enrichment cohort. Using a second validation cohort of 188 dcSSc patients, short disease duration, low baseline MRSS and joint synovitis were confirmed as independent predictors of progressive skin fibrosis within 1 year resulting in a 4.5-fold increased prediction success rate.ConclusionsOur study provides novel, evidence-based criteria for the enrichment of dcSSc cohorts with patients who experience worsening of skin fibrosis which allows improved clinical trial design.

Published
2014

5. SAT0543 Reduced/Withdrawn Dose of Etanercept-Methotrexate Therapy of Early Rheumatoid Arthritis has a Favorable Impact on Patient-Reported Outcomes Compared with MTX Alone or Placebo: the Prize Study

Author

Emery, P., primary, Wiland, P., additional, Dudler, J., additional, Ionescu, R. M., additional, Vlahos, B., additional, Bukowski, J., additional, Pedersen, R., additional, Williams, T., additional, Gaylord, S., additional, and Kotak, S., additional

Published
2013
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7. THREE-PHASE INDUCTION MOTORS WITH SQUIRREL-CAGE ROTOR NOISE-TO-FREQUENCY CHARACTERISTICS.

Author

Ionescu, R. M., Negoiţă, A., Peter, I., and Scutaru, Gh.

Subjects
*INDUCTION motors, *SQUIRREL cage motors, *MAGNETIC coupling, *ELECTRIC noise, *NOISE measurement, *FREQUENCIES of oscillating systems
Abstract

the paper presents the methodology for obtaining the level of noise in three-phase induction motors with squirrel cage rotor. Investigations include a single-speed motor with 3000 r/min and a two-speed motor with 750 and 1500 r/min. The investigated motors (manufactured by a Romanian company) were placed in a semi-anechoic chamber in order to determine the noise-to-frequency characteristics (spectrograms). The spectrograms were analyzed and the results and conclusions are presented in this paper. [ABSTRACT FROM AUTHOR]

Published
2010

8. A BRIEF REVIEW OF MONITORING TECHNIQUES FOR ROTATING ELECTRICAL MACHINES.

Author

Negoiţă, A., Scutaru, Gh., and Ionescu, R. M.

Subjects
MONITORING of machinery, ROTATING machinery, ELECTRIC machinery, ELECTRIC faults, TEMPERATURE measurements, ELECTRIC currents
Abstract

The paper analyzes, in brief, various on-line condition monitoring techniques for rotating electrical machines. The different failure mechanisms of electrical machines and several monitoring techniques are analysed. The advantages, disadvantages and reliability of each technique are underlined. A few of the current state of the art techniques are reviewed by surveying the latest developments in mechanical and electrical condition monitoring and future research areas that could offer new opportunities for efficient condition monitoring are identified. [ABSTRACT FROM AUTHOR]

Published
2010

9. A NEW SOFTWARE APPROACH TO NOISE LEVEL CALCULATION.

Author

Negoita, A. and Ionescu, R. M.

Subjects
*NOISE measurement, *MOTORS, *SOUND analyzers, *ELECTROMAGNETIC measurements, *AERODYNAMICS
Abstract

The paper analyzes the types of noise sources in single speed, three-phase induction motors with squirrel cage rotor. A new, Lab-View based software approach is proposed for calculating the aerodynamic, mechanic and electromagnetic components of noise. For verification, the obtained results are compared with the measurements performed on six types of squirrel cage induction motors, with powers ranging from 0.55 to 1.5 kW and rated speeds of 3000, 1500 and 1000 r/min. The motors were tested in a semi-anechoic chamber. The computed results show good agreement with the measured ones. The software may be used mainly in designing electrical machines. [ABSTRACT FROM AUTHOR]

Published
2010

10. Stratification in systemic sclerosis according to autoantibody status versus skin involvement: a study of the prospective EUSTAR cohort

Author

Muriel Elhai, Nanthara Sritharan, Marouane Boubaya, Alexandra Balbir-Gurman, Elise Siegert, Eric Hachulla, Jeska de Vries-Bouwstra, Gabriela Riemekasten, Jörg H W Distler, Edoardo Rosato, Francesco Del Galdo, Fabian A Mendoza, Daniel E Furst, Carlos de la Puente, Anna-Maria Hoffmann-Vold, Armando Gabrielli, Oliver Distler, Coralie Bloch-Queyrat, Yannick Allanore, Marco Matucci Cerinic, Ulrich Walker, Florenzo Iannone, Suzana Jordan, Radim Becvar, Otylia Kowal Bielecka, Maurizio Cutolo, Giovanna Cuomo, Claudia Kedor, Simona Rednic, Jérome Avouac, P. Vlachoyiannopoulos, C. Montecucco, Jiri Stork, Murat Inanc, Patricia E. Carreira, Srdan Novak, László Czirják, Michele Iudici, Eugene J. Kucharz, Elisabetta Zanatta, Katja Perdan-Pirkmajer, Bernard Coleiro, Gianluca Moroncini, Dominique Farge Bancel, Paolo Airò, Roger Hesselstrand, Mislav Radic, Yolanda Braun-Moscovici, Andrea Lo Monaco, Nicolas Hunzelmann, Raffaele Pellerito, Alessandro Giollo, Jadranka Morovic-Vergles, Christopher Denton, Madelon Vonk, Nemanja Damjanov, Jörg Henes, Vera Ortiz Santamaria, Stefan Heitmann, Dorota Krasowska, Paul Hasler, Michaela Kohm, Ivan Foeldvari, Gianluigi Bajocchi, Maria João Salvador, Bojana Stamenkovic, Carlo Francesco Selmi, Mohammed Tikly, Lidia P. Ananieva, Ariane Herrick, Ulf Müller-Ladner, Raffaele De Palma, Merete Engelhart, Gabriela Szücs, Cristina Sobrino Grande, Øyvind Midtvedt, David Launay, Valeria Riccieri, Ruxandra Maria Ionescu, Ami Sha, Ana Maria Gheorghiu, Cord Sunderkötter, Francesca Ingegnoli, Luc Mouthon, Vanessa Smith, Francesco Paolo Cantatore, Susanne Ullman, Carlos Alberto von Mühlen, Maria Rosa Pozzi, Kilian Eyerich, Piotr Wiland, Marie Vanthuyne, Juan Jose Alegre-Sancho, Kristine Herrmann, Ellen De Langhe, Branimir Anic, Maria Üprus, Sule Yavuz, Brigitte Granel, Carolina de Souza Müller, Joanna Busquets, Svetlana Agachi, Simon Stebbings, D'Alessandro Mathieu, Percival D. Sampaio-Barros, Lisa Stamp, Kamal Solanki, Douglas Veale, Esthela Loyo, Mengtao Li, Walid Ahmed Abdel Atty Mohamed, Antonietta Gigante, Fahrettin Oksel, Cristina-Mihaela Tanaseanu, Rosario Foti, Codrina Ancuta, Britta Maurer, Jacob van Laar, Cristiane Kayser, Nihal Fathi, Paloma García de la Peña Lefebvre, Jean Sibilia, Ira Litinsky, Giuseppina Abignano, Goda Seskute, Lesley Ann Saketkoo, Eduardo Kerzberg, Washington Bianchi, Ivan Castellví, Massimiliano Limonta, Doron Rimar, Maura Couto, François Spertini, Antonella Marcoccia, Sarah Kahl, Ivien M. Hsu, Thierry Martin, Sergey Moiseev, Lorinda S. Chung, Tim Schmeiser, Dominik Majewski, Zbigniew Zdrojewski, Julia Martínez-Barrio, Vera Bernardino, Sabine Sommerlatte, Yair Levy, Elena Rezus, Omer Nuri Pamuk, Piercarlo Sarzi Puttini, Hadi Poormoghim, Ina Kötter, Francis Gaches, Laura Belloli, Petros Sfikakis, Juliana Markus, Gary R Feldman, Ana-Maria Ramazan, H.U. Scherer, Marie-Elise Truchetet, Alain Lescoat, Lorenzo Dagna, J.M. van Laar, Lidia Rudnicka, Susana Oliveira, Fabiola Atzeni, Masataka Kuwana, Arsene Mekinian, Mickaël Martin, Yoshiya Tanaka, Elhai, M., Sritharan, N., Boubaya, M., Balbir-Gurman, A., Siegert, E., Hachulla, E., de Vries-Bouwstra, J., Riemekasten, G., Distler, J. H. W., Rosato, E., Del Galdo, F., Mendoza, F. A., Furst, D. E., de la Puente, C., Hoffmann-Vold, A. -M., Gabrielli, A., Distler, O., Bloch-Queyrat, C., Allanore, Y., Matucci Cerinic, M., Walker, U., Iannone, F., Jordan, S., Becvar, R., Kowal Bielecka, O., Cutolo, M., Cuomo, G., Kedor, C., Rednic, S., Avouac, J., Vlachoyiannopoulos, P., Montecucco, C., Stork, J., Inanc, M., Carreira, P. E., Novak, S., Czirjak, L., Iudici, M., Kucharz, E. J., Zanatta, E., Perdan-Pirkmajer, K., Coleiro, B., Moroncini, G., Farge Bancel, D., Airo, P., Hesselstrand, R., Radic, M., Braun-Moscovici, Y., Lo Monaco, A., Hunzelmann, N., Pellerito, R., Giollo, A., Morovic-Vergles, J., Denton, C., Vonk, M., Damjanov, N., Henes, J., Ortiz Santamaria, V., Heitmann, S., Krasowska, D., Hasler, P., Kohm, M., Foeldvari, I., Bajocchi, G., Salvador, M. J., Stamenkovic, B., Selmi, C. F., Tikly, M., Ananieva, L. P., Herrick, A., Muller-Ladner, U., De Palma, R., Engelhart, M., Szucs, G., Sobrino Grande, C., Midtvedt, O., Launay, D., Riccieri, V., Ionescu, R. M., Sha, A., Gheorghiu, A. M., Sunderkotter, C., Ingegnoli, F., Mouthon, L., Smith, V., Cantatore, F. P., Ullman, S., Alberto von Muhlen, C., Pozzi, M. R., Eyerich, K., Wiland, P., Vanthuyne, M., Alegre-Sancho, J. J., Herrmann, K., De Langhe, E., Anic, B., Uprus, M., Yavuz, S., Granel, B., de Souza Muller, C., Busquets, J., Agachi, S., Stebbings, S., Mathieu, D. A., Sampaio-Barros, P. D., Stamp, L., Solanki, K., Veale, D., Loyo, E., Li, M., Abdel Atty Mohamed, W. A., Gigante, A., Oksel, F., Tanaseanu, C. -M., Foti, R., Ancuta, C., Maurer, B., van Laar, J., Kayser, C., Fathi, N., Garcia de la Pena Lefebvre, P., Sibilia, J., Litinsky, I., Abignano, G., Seskute, G., Saketkoo, L. A., Kerzberg, E., Bianchi, W., Castellvi, I., Limonta, M., Rimar, D., Couto, M., Spertini, F., Marcoccia, A., Kahl, S., Hsu, I. M., Martin, T., Moiseev, S., Chung, L. S., Schmeiser, T., Majewski, D., Zdrojewski, Z., Martinez-Barrio, J., Bernardino, V., Sommerlatte, S., Levy, Y., Rezus, E., Nuri Pamuk, O., Sarzi Puttini, P., Poormoghim, H., Kotter, I., Gaches, F., Belloli, L., Sfikakis, P., Markus, J., Feldman, G. R., Ramazan, A. -M., Scherer, H. U., Truchetet, M. -E., Lescoat, A., Dagna, L., van Laar, J. M., Rudnicka, L., Oliveira, S., Atzeni, F., Kuwana, M., Mekinian, A., Martin, M., and Tanaka, Y.

Subjects
Rheumatology, Immunology, Immunology and Allergy
Abstract

Background: The current subclassification of systemic sclerosis into cutaneous subtypes does not fully capture the heterogeneity of the disease. We aimed to compare the performances of stratification into LeRoy's cutaneous subtypes versus stratification by autoantibody status in systemic sclerosis. Methods: For this cohort study, we assessed people with systemic sclerosis in the multicentre international European Scleroderma Trials and Research (EUSTAR) database. Individuals positive for systemic-sclerosis autoantibodies of two specificities were excluded, and remaining individuals were classified by cutaneous subtype, according to their systemic sclerosis-specific autoantibodies, or both. We assessed the performance of each model to predict overall survival, progression-free survival, disease progression, and different organ involvement. The three models were compared by use of the area under the curve (AUC) of the receiver operating characteristic and the net reclassification improvement (NRI). Missing data were imputed. Findings: We assessed the database on July 26, 2019. Of 16 939 patients assessed for eligibility, 10 711 patients were included: 1647 (15·4%) of 10 709 were male, 9062 (84·6%) were female, mean age was 54·4 (SD 13·8) years, and mean disease duration was 7·9 (SD 8·2) years. Information regarding cutaneous subtype was available for 10 176 participants and antibody data were available for 9643 participants. In the prognostic analysis, there was no difference in AUC for overall survival (0·82, 95% CI 0·81–0·84 for cutaneous only vs 0·84, 0·82–0·85 for antibody only vs 0·84, 0·83–0·86 for combined) or for progression-free survival (0·70, 0·69–0·71 vs 0·71, 0·70–0·72 vs 0·71, 0·70–0·72). However, at 4 years the NRI showed substantial improvement for the antibody-only model compared with the cutaneous-only model in prediction of overall survival (0·57, 0·46–0·71 for antibody only vs 0·29, 0·19–0·39 for cutaneous only) and disease progression (0·36, 0·29–0·46 vs 0·21, 0·14–0·28). The antibody-only model did better than the cutaneous-only model in predicting renal crisis (AUC 0·72, 0·70–0·74 for antibody only vs 0·66, 0·64–0·69 for cutaneous only) and lung fibrosis leading to restrictive lung function (AUC 0·76, 0·75–0·77 vs 0·71, 0·70–0·72). The combined model improved the prediction of digital ulcers and elevated systolic pulmonary artery pressure, but did poorly for cardiac involvement. Interpretation: The autoantibody-only model outperforms cutaneous-only subsetting for risk stratifying people with systemic sclerosis in the EUSTAR cohort. Physicians should be aware of these findings at the time of decision making for patient management. Funding: World Scleroderma Foundation.

Published
2022

11. Predictors of disease worsening defined by progression of organ damage in diffuse systemic sclerosis: A European Scleroderma Trials and Research (EUSTAR) analysis

Author

Becker, Mike, Graf, Nicole, Sauter, Rafael, Allanore, Yannick, Curram, John, Denton, Christopher P., Khanna, Dinesh, Matucci-Cerinic, Marco, Pena, Janethe de Oliveira, Pope, Janet E., Distler, Oliver, Guiducci, Serena, Walker, Ulrich, Jaeger, Veronika, Bannert, Bettina, Lapadula, Giovanni, Becvarare, Radim, Cutolo, Maurizio, Valentini, Gabriele, Siegert, Elise, Rednic, Simona, Montecucco, C., Carreira, Patricia E., Novak, Srdan, Czirjak, Laszlo, Varju, Cecilia, Chizzolini, Carlo, Allai, Daniela, Kucharz, Eugene J., Cozzi, Franco, Rozman, Blaz, Mallia, Carmel, Gabrielli, Armando, Bancel, Dominique Farge, Airo, Paolo, Hesselstrand, Roger, Martinovic, Duska, Balbir-Gurman, Alexandra, Braun-Moscovici, Yolanda, Hunzelmann, Nicolas, Pellerito, Raffaele, Caramaschi, Paola, Black, Carol, Damjanov, Nemanja, Henes, Joerg, Ortiz Santamaria, Vera, Heitmann, Stefan, Seidel, Matthias, Pereira Da Silva, Jose Antonio, Stamenkovic, Bojana, Selmi, Carlo Francesco, Tikly, Mohammed, Denisov, Lev N., Mueller-Ladner, Ulf, Engelhart, Merete, Hachulla, Eric, Riccieri, Valeria, Ionescu, Ruxandra Maria, Mihai, Carina, Sunderkoetter, Cord, Kuhn, Annegret, Schett, Georg, Distler, Joerg, Meroni, Pierluigi, Ingegnoli, Francesca, Mouthon, Luc, De Keyser, Filip, Smith, Vanessa, Cantatore, Francesco Paolo, Corrado, Ada, Ullman, Susanne, Iversen, Line, Pozzi, Maria Rosa, Eyerich, Kilian, Hein, Ruediger, Knott, Elisabeth, Wiland, Piotr, Szmyrka-Kaczmarek, Magdalena, Sokolik, Renata, Morgiel, Ewa, Madej, Marta, Jose Alegre-Sancho, Juan, Krummel-Lorenz, Brigitte, Saar, Petra, Aringer, Martin, Guenther, Claudia, Anne, Erler, Westhovens, Rene, De langhe, Ellen, Lenaerts, Jan, Anic, Branimir, Baresic, Marko, Mayer, Miroslav, Uprus, Maria, Otsa, Kati, Yavuz, Sule, Radominski, Sebastiao Cezar, Mueller, Carolina de Souza, Azevedo, Valderilio Feijo, Popa, Sergei, Zenone, Thierry, Stebbings, Simon, Highton, John, Mathieu, Alessandro, Vacca, Alessandra, Stamp, Lisa, Chapman, Peter, O'Donnell, John, Solanki, Kamal, Doube, Alan, Veale, Douglas, O'Rourke, Marie, Loyo, Esthela, Li, Mengtao, Rosato, Edoardo, Amoroso, Antonio, Gigante, Antonietta, Oksel, Fahrettin, Yargucu, Figen, Tanaseanu, Cristina-Mihaela, Popescu, Monica, Dumitrascu, Alina, Tiglea, Isabela, Foti, Rosario, Visalli, Elisa, Benenati, Alessia, Amato, Giorgio, Ancuta, Codrina, Chirieac, Rodica, Villiger, Peter, Adler, Sabine, Dan, Diana, de la Pena Lefebvre, Paloma Garcia, Rodriguez Rubio, Silvia, Valero Exposito, Marta, Sibilia, Jean, Chatelus, Emmanuel, Gottenberg, Jacques Eric, Chifflot, Helene, Litinsky, Ira, Del Galdo, Francesco, Venalis, Algirdas, Saketkoo, Lesley Ann, Lasky, Joseph A., Kerzberg, Eduardo, Montoya, Fabiana, Cosentino, Vanesa, Limonta, Massimiliano, Brucato, Antonio Luca, Lupi, Elide, Spertini, Francois, Ribi, Camillo, Buss, Guillaume, Martin, Thierry, Guffroy, Aurelien, Poindron, Vincent, Chung, Lori, Schmeiser, Tim, Zebryk, Pawel, Riso, Nuno, Riemekasten, Gabriela, Rezus, Elena, Puttini, Piercarlo Sarzi, Ege Üniversitesi, University of Zurich, Distler, Oliver, Chizzolini, Carlo, Allai, Daniela, Becker, M., Graf, N., Sauter, R., Allanore, Y., Curram, J., Denton, C. P., Khanna, D., Matucci-Cerinic, M., de Oliveira Pena, J., Pope, J. E., Distler, O., Guiducci, S., Walker, U., Jaeger, V., Bannert, B., Lapadula, G., Becvarare, R., Cutolo, M., Valentini, G., Siegert, E., Rednic, S., Montecucco, C., Carreira, P. E., Novak, S., Czirjak, L., Varju, C., Chizzolini, C., Allai, D., Kucharz, E. J., Cozzi, F., Rozman, B., Mallia, C., Gabrielli, A., Bancel, D. F., Airo, P., Hesselstrand, R., Martinovic, D., Balbir-Gurman, A., Braun-Moscovici, Y., Hunzelmann, N., Pellerito, R., Caramaschi, P., Black, C., Damjanov, N., Henes, J., Santamaria, V. O., Heitmann, S., Seidel, M., Pereira Da Silva, J. A., Stamenkovic, B., Selmi, C. F., Tikly, M., Denisov, L. N., Muller-Ladner, U., Engelhart, M., Hachulla, E., Riccieri, V., Ionescu, R. M., Mihai, C., Sunderkotter, C., Kuhn, A., Schett, G., Distler, J., Meroni, P., Ingegnoli, F., Mouthon, L., De Keyser, F., Smith, V., Cantatore, F. P., Corrado, A., Ullman, S., Iversen, L., Pozzi, M. R., Eyerich, K., Hein, R., Knott, E., Wiland, P., Szmyrka-Kaczmarek, M., Sokolik, R., Morgiel, E., Madej, M., Alegre-Sancho, J. J., Krummel-Lorenz, B., Saar, P., Aringer, M., Gunther, C., Anne, E., Westhovens, R., De Langhe, E., Lenaerts, J., Anic, B., Baresic, M., Mayer, M., Uprus, M., Otsa, K., Yavuz, S., Radominski, S. C., de Souza Muller, C., Azevedo, V. F., Popa, S., Zenone, T., Stebbings, S., Highton, J., Mathieu, A., Vacca, A., Stamp, L., Chapman, P., O'Donnell, J., Solanki, K., Doube, A., Veale, D., O'Rourke, M., Loyo, E., Li, M., Rosato, E., Amoroso, A., Gigante, A., Oksel, F., Yargucu, F., Tanaseanu, C. -M., Popescu, M., Dumitrascu, A., Tiglea, I., Foti, R., Visalli, E., Benenati, A., Amato, G., Ancuta, C., Chirieac, R., Villiger, P., Adler, S., Dan, D., de la Pena Lefebvre, P. G., Rubio, S. R., Exposito, M. V., Sibilia, J., Chatelus, E., Gottenberg, J. E., Chifflot, H., Litinsky, I., Del Galdo, F., Venalis, A., Saketkoo, L. A., Lasky, J. A., Kerzberg, E., Montoya, F., Cosentino, V., Limonta, M., Brucato, A. L., Lupi, E., Spertini, F., Ribi, C., Buss, G., Martin, T., Guffroy, A., Poindron, V., Chung, L., Schmeiser, T., Zebryk, P., Riso, N., Riemekasten, G., Rezus, E., and Sarzi Puttini, P.

Subjects
INVOLVEMENT, SELECTION, BIOMEDICINE AND HEALTHCARE. Clinical Medical Sciences, diffuse, predictive factors, systemic sclerosis, 2745 Rheumatology, epidemiologic methods, morbidity, Disease, Immunology, General Biochemistry, Genetics and Molecular Biology, Immunology and Allergy, Rheumatology, INTERSTITIAL LUNG-DISEASE, disease worsening, mortality, predictive factors, systemic sclerosis, predictive factor, disease worsening, DESIGN, middle aged, Medicine and Health Sciences, FIBROSIS, scleroderma, SKIN THICKNESS SCORE, mortality, skin and connective tissue diseases, Prospective cohort study, humans, lung diseases, ddc:616, education.field_of_study, heart diseases, integumentary system, clinical trials as topic, BIOMEDICINA I ZDRAVSTVO. Kliničke medicinske znanosti, 10051 Rheumatology Clinic and Institute of Physical Medicine, Interstitial lung disease, follow-up studies, ddc, female, Cohort, 2723 Immunology and Allergy, europe, Life Sciences & Biomedicine, CLINICAL-TRIALS, survival rate, medicine.medical_specialty, Population, 610 Medicine & health, disease progression, male, 1300 General Biochemistry, Genetics and Molecular Biology, Internal medicine, Severity of illness, REGRESSION, medicine, severity of illness index, education, Survival rate, METAANALYSIS, 2403 Immunology, Science & Technology, Scleroderma, Systemic, business.industry, MORTALITY, systemic, medicine.disease, prospective studies, Clinical trial, prognosis, scleroderma, diffuse, scleroderma, systemic, Scleroderma, Diffuse, business
Abstract

PubMed: 31227488, Objectives Mortality and worsening of organ function are desirable endpoints for clinical trials in systemic sclerosis (SSc). The aim of this study was to identify factors that allow enrichment of patients with these endpoints, in a population of patients from the European Scleroderma Trials and Research group database. Methods Inclusion criteria were diagnosis of diffuse SSc and follow-up over 12±3 months. Disease worsening/organ progression was fulfilled if any of the following events occurred: new renal crisis; decrease of lung or heart function; new echocardiography-suspected pulmonary hypertension or death. In total, 42 clinical parameters were chosen as predictors for the analysis by using (1) imputation of missing data on the basis of multivariate imputation and (2) least absolute shrinkage and selection operator regression. Results Of 1451 patients meeting the inclusion criteria, 706 had complete data on outcome parameters and were included in the analysis. Of the 42 outcome predictors, eight remained in the final regression model. There was substantial evidence for a strong association between disease progression and age, active digital ulcer (DU), lung fibrosis, muscle weakness and elevated C-reactive protein (CRP) level. Active DU, CRP elevation, lung fibrosis and muscle weakness were also associated with a significantly shorter time to disease progression. A bootstrap validation step with 10 000 repetitions successfully validated the model. Conclusions The use of the predictive factors presented here could enable cohort enrichment with patients at risk for overall disease worsening in SSc clinical trials. © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. Published by BMJ., Bayer Bayer, United Kingdom Université Paris Descartes Li Ka Shing Foundation, LKSF University of Michigan, U-M, 1Department of Rheumatology and the Centre of experimental Rheumatology, University Hospital Zurich, Zurich, switzerland 2Graf Biostatistics, Winterthur, switzerland 3Big Data institute, li Ka shing Centre for Health information and Discovery, nuffield Department of Medicine, University of Oxford, Oxford, UK 4Rheumatology a Department, Paris Descartes University, sorbonne Paris Cité, Cochin Hospital, Paris, France 5Data science and analytics, Bayer plc, Reading, UK 6UCl Division of Medicine, Royal Free Campus, london, UK 7Division of Rheumatology, Department of internal Medicine, University of Michigan scleroderma Program, University of Michigan, ann arbor, Michigan, Usa 8Department of experimental and Clinical Medicine, University of Florence, Florence, italy 9Bayer Us llC, Whippany, new Jersey, Usa 10Department of Medicine, Division of Rheumatology, University of Western Ontario, st. Joseph’s Health Care, london, Ontario, Canada Acknowledgements The R-code for the linear Mi-lassO was received from Qixuan Chen.21 Medical writing assistance was provided by adelphi Communications ltd (Bollington, UK), funded by Bayer aG (Berlin, Germany)., Contributors study conception and design, acquisition of data, analysis and interpretation of data and drafting and revising the article: OD and MB; analysis and interpretation of data: OD, MB, Rs and nG. all authors have critically reviewed and approved the final submitted version to be published. Funding This study was supported by a grant from Bayer aG. Bayer employees are coauthors of this paper and supported the study design and interpretation of the data, but otherwise Bayer had no influence on the study., Competing interests MOB declares no conflict of interest. OD has had consultancy relationships with actelion, Bayer, Biogen idec, Boehringer ingelheim, Chemomab, espeRare foundation, Genentech/Roche, GsK, inventiva, italfarmaco, lilly, medac, Medimmune, Mitsubishi Tanabe Pharma, Pharmacyclics, novartis, Pfizer, sanofi, sinoxa and UCB in the area of potential treatments of scleroderma and its complications. OD has received research funding from actelion, Bayer, Boehringer ingelheim, Mitsubishi Tanabe Pharma and Roche in the area of potential treatments of scleroderma and its complications. OD has a patent for mir-29 licensed for the treatment of systemic sclerosis. DK has consultancy relationships and/or has received grant/research support from Bayer, Bristol-Myers squibb, Boehringer ingelheim, Genentech/Roche, niH, Pfizer, sanofi-aventis Pharmaceuticals, actelion Pharmaceuticals Us, Chemomab, Corbus, Covis, Cytori, eicos, eMD serono, Gilead, GlaxosmithKline, and UCB Pharma. He is a shareholder of eicos. CPD has consultancy relationships with and/or has received speakers’ bureau fees from actelion Pharmaceuticals Us, Bayer aG, GlaxosmithKline, Csl Behring, Merck serono, Roche Pharmaceuticals, Genentech and Biogen iDeC inc., inventiva, sanofi-aventis Pharmaceuticals and Boehringer ingelheim. JeP has consultancy relationships with and/or has received grant/research support from actelion, Bayer aG, Bristol-Myers squibb, Merck, Pfizer inc. and Roche. MM-C has consultancy relationships and/ or has received grant/research support from Pfizer, Bristol-Myers squibb, actelion, UCB Pharma, Bayer, Chemomab, Genentech/Roche, inventiva and lilly. Ya has consultancy relationships with and/or has received grant/research support from actelion, Pharmaceuticals Us, Bayer aG, Bristol-Myers squibb, inventiva, Medac, Pfizer inc., Roche Pharmaceuticals, Genentech and Biogen iDeC inc., sanofi-aventis Pharmaceuticals and servier. JdOP and JC are employees of Bayer. nTG has nothing to disclose.

Published
2019

12. Progressive skin fibrosis is associated with a decline in lung function and worse survival in patients with diffuse cutaneous systemic sclerosis in the european scleroderma trials and research (eustar) cohort

Author

Wu, Wanlong, Jordan, Suzana, Graf, Nicole, Pena, Janethe de Oliveira, Curram, John, Allanore, Yannick, Matucci-Cerinic, Marco, Pope, Janet E., Denton, Christopher P., Khanna, Dinesh, Distler, Oliver, Guiducci, Serena, Walker, Ulrich, Jaeger, Veronika, Bannert, Bettina, Lapadula, Giovanni, Becvarare, Radim, Cutolo, Maurizio, Valentini, Gabriele, Siegert, Elise, Rednic, Simona, Montecucco, C., Carreira, Patricia E., Novak, Srdan, Czirjak, Laszlo, Varju, Cecilia, Chizzolini, Carlo, Allai, Daniela, Kucharz, Eugene J., Cozzi, Franco, Rozman, Blaz, Mallia, Carmel, Gabrielli, Armando, Bancel, Dominique Farge, Airo, Paolo, Hesselstrand, Roger, Martinovic, Duska, Balbir-Gurman, Alexandra, Braun-Moscovici, Yolanda, Hunzelmann, Nicolas, Pellerito, Raffaele, Caramaschi, Paola, Black, Carol, Damjanov, Nemanja, Henes, Joerg, Ortiz Santamaria, Vera, Heitmann, Stefan, Seidel, Matthias, Pereira Da Silva, Jose Antonio, Stamenkovic, Bojana, Selmi, Carlo Francesco, Tikly, Mohammed, Denisov, Lev N., Mueller-Ladner, Ulf, Engelhart, Merete, Hachulla, Eric, Riccieri, Valeria, Ionescu, Ruxandra Maria, Mihai, Carina, Sunderkoetter, Cord, Kuhn, Annegret, Schett, Georg, Distler, Joerg, Meroni, Pierluigi, Ingegnoli, Francesca, Mouthon, Luc, De Keyser, Filip, Smith, Vanessa, Cantatore, Francesco Paolo, Corrado, Ada, Ullman, Susanne, Iversen, Line, Pozzi, Maria Rosa, Eyerich, Kilian, Hein, Ruediger, Knott, Elisabeth, Wiland, Piotr, Szmyrka-Kaczmarek, Magdalena, Sokolik, Renata, Morgiel, Ewa, Madej, Marta, Jose Alegre-Sancho, Juan, Krummel-Lorenz, Brigitte, Saar, Petra, Aringer, Martin, Guenther, Claudia, Anne, Erler, Westhovens, Rene, De Langhe, Ellen, Lenaerts, Jan, Anic, Branimir, Baresic, Marko, Mayer, Miroslav, Uprus, Maria, Otsa, Kati, Yavuz, Sule, Radominski, Sebastiao Cezar, Mueller, Carolina de Souza, Azevedo, Valderilio Feijo, Popa, Sergei, Zenone, Thierry, Stebbings, Simon, Highton, John, Mathieu, Alessandro, Vacca, Alessandra, Stamp, Lisa, Chapman, Peter, O'Donnell, John, Solanki, Kamal, Doube, Alan, Veale, Douglas, O'Rourke, Marie, Loyo, Esthela, Li, Mengtao, Rosato, Edoardo, Amoroso, Antonio, Gigante, Antonietta, Oksel, Fahrettin, Yargucu, Figen, Tanaseanu, Cristina-Mihaela, Popescu, Monica, Dumitrascu, Alina, Tiglea, Isabela, Foti, Rosario, Visalli, Elisa, Benenati, Alessia, Amato, Giorgio, Ancuta, Codrina, Chirieac, Rodica, Villiger, Peter, Adler, Sabine, Dan, Diana, de la Pena Lefebvre, Paloma Garcia, Rodriguez Rubio, Silvia, Valero Exposito, Marta, Sibilia, Jean, Chatelus, Emmanuel, Gottenberg, Jacques Eric, Chifflot, Helene, Litinsky, Ira, Del Galdo, Francesco, Venalis, Algirdas, Saketkoo, Lesley Ann, Lasky, Joseph A., Kerzberg, Eduardo, Montoya, Fabiana, Cosentino, Vanesa, Limonta, Massimiliano, Brucato, Antonio Luca, Lupi, Elide, Spertini, Francois, Ribi, Camillo, Buss, Guillaume, Martin, Thierry, Guffroy, Aurelien, Poindron, Vincent, Chung, Lori, Schmeiser, Tim, Zebryk, Pawel, Riso, Nuno, Riemekasten, Gabriela, Rezus, Elena, Puttini, Piercarlo Sarzi, Wu, W., Jordan, S., Graf, N., de Oliveira Pena, J., Curram, J., Allanore, Y., Matucci-Cerinic, M., Pope, J. E., Denton, C. P., Khanna, D., Distler, O., Guiducci, S., Walker, U., Jaeger, V., Bannert, B., Lapadula, G., Becvarare, R., Cutolo, M., Valentini, G., Siegert, E., Rednic, S., Montecucco, C., Carreira, P. E., Novak, S., Czirjak, L., Varju, C., Chizzolini, C., Allai, D., Kucharz, E. J., Cozzi, F., Rozman, B., Mallia, C., Gabrielli, A., Bancel, D. F., Airo, P., Hesselstrand, R., Martinovic, D., Balbir-Gurman, A., Braun-Moscovici, Y., Hunzelmann, N., Pellerito, R., Caramaschi, P., Black, C., Damjanov, N., Henes, J., Santamaria, V. O., Heitmann, S., Seidel, M., Pereira Da Silva, J. A., Stamenkovic, B., Selmi, C. F., Tikly, M., Denisov, L. N., Muller-Ladner, U., Engelhart, M., Hachulla, E., Riccieri, V., Ionescu, R. M., Mihai, C., Sunderkotter, C., Kuhn, A., Schett, G., Distler, J., Meroni, P., Ingegnoli, F., Mouthon, L., De Keyser, F., Smith, V., Cantatore, F. P., Corrado, A., Ullman, S., Iversen, L., Pozzi, M. R., Eyerich, K., Hein, R., Knott, E., Wiland, P., Szmyrka-Kaczmarek, M., Sokolik, R., Morgiel, E., Madej, M., Alegre-Sancho, J. J., Krummel-Lorenz, B., Saar, P., Aringer, M., Gunther, C., Anne, E., Westhovens, R., De Langhe, E., Lenaerts, J., Anic, B., Baresic, M., Mayer, M., Uprus, M., Otsa, K., Yavuz, S., Radominski, S. C., de Souza Muller, C., Azevedo, V. F., Popa, S., Zenone, T., Stebbings, S., Highton, J., Mathieu, A., Vacca, A., Stamp, L., Chapman, P., O'Donnell, J., Solanki, K., Doube, A., Veale, D., O'Rourke, M., Loyo, E., Li, M., Rosato, E., Amoroso, A., Gigante, A., Oksel, F., Yargucu, F., Tanaseanu, C. -M., Popescu, M., Dumitrascu, A., Tiglea, I., Foti, R., Visalli, E., Benenati, A., Amato, G., Ancuta, C., Chirieac, R., Villiger, P., Adler, S., Dan, D., de la Pena Lefebvre, P. G., Rubio, S. R., Exposito, M. V., Sibilia, J., Chatelus, E., Gottenberg, J. E., Chifflot, H., Litinsky, I., Del Galdo, F., Venalis, A., Saketkoo, L. A., Lasky, J. A., Kerzberg, E., Montoya, F., Cosentino, V., Limonta, M., Brucato, A. L., Lupi, E., Spertini, F., Ribi, C., Buss, G., Martin, T., Guffroy, A., Poindron, V., Chung, L., Schmeiser, T., Zebryk, P., Riso, N., Riemekasten, G., Rezus, E., Sarzi Puttini, P., Ege Üniversitesi, Chizzolini, Carlo, Allali, Danièle, University of Zurich, and Distler, Oliver

Subjects
INVOLVEMENT, Male, BIOMEDICINE AND HEALTHCARE. Clinical Medical Sciences, diffuse, Time Factors, Databases, Factual, Skin Diseases/etiology/mortality/physiopathology, PREDICTION, Fibrosi, 2745 Rheumatology, Diffuse/complications/mortality/pathology, Immunology, General Biochemistry, Genetics and Molecular Biology, Immunology and Allergy, Rheumatology, Kaplan-Meier Estimate, ddc:616.07, Severity of Illness Index, Scleroderma, Cohort Studies, PROGNOSTIC-FACTORS, Fibrosis, Medicine and Health Sciences, scleroderma, Lung, Skin, integumentary system, progressive skin fibrosis, Lung function decline, BIOMEDICINA I ZDRAVSTVO. Kliničke medicinske znanosti, 10051 Rheumatology Clinic and Institute of Physical Medicine, DEATH, Middle Aged, ddc, Europe, VARIABILITY, factual, Cohort, Visceral organ progression, 2723 Immunology and Allergy, Disease Progression, Female, Survival Analysi, Life Sciences & Biomedicine, Cohort study, Human, Adult, Skin/pathology, medicine.medical_specialty, databases, All-cause death, risk analysis, diffuse cutaneous systemic sclerosis, 610 Medicine & health, IMPROVEMENT, Systemic Sclerosis, Skin Diseases, THICKNESS SCORE, VALIDATION, Databases, FEV1/FVC ratio, 1300 General Biochemistry, Genetics and Molecular Biology, Internal medicine, medicine, Humans, Factual, Survival analysis, 2403 Immunology, Science & Technology, Proportional hazards model, business.industry, Surrogate endpoint, MORTALITY, Skin Disease, fibrosis, Progressive skin fibrosi, Lung/physiopathology, biomarkers, Diffuse cutaneous systemic sclerosi, medicine.disease, Survival Analysis, all-cause death, lung function decline, visceral organ progression, adult, cohort studies, databases, factual, disease progression, female, humans, Scleroderma, Diffuse, Cohort Studie, business
Abstract

PubMed: 30852552, Objectives To determine whether progressive skin fibrosis is associated with visceral organ progression and mortality during follow-up in patients with diffuse cutaneous systemic sclerosis (dcSSc). Methods We evaluated patients from the European Scleroderma Trials and Research database with dcSSc, baseline modified Rodnan skin score (mRSS) ?7, valid mRSS at 12±3 months after baseline and ?1 annual follow-up visit. Progressive skin fibrosis was defined as an increase in mRSS >5 and ?25% from baseline to 12±3 months. Outcomes were pulmonary, cardiovascular and renal progression, and all-cause death. Associations between skin progression and outcomes were evaluated by Kaplan-Meier survival analysis and multivariable Cox regression. Results Of 1021 included patients, 78 (7.6%) had progressive skin fibrosis (skin progressors). Median follow-up was 3.4 years. Survival analyses indicated that skin progressors had a significantly higher probability of FVC decline ?10% (53.6% vs 34.4%; p, Bayer Bayer, 1Department of Rheumatology, University Hospital Zurich, Zurich, switzerland 2Graf Biostatistics, Winterthur, switzerland 3Clinical Development Pulmonology, Bayer Us llC, Whippany, new Jersey, Usa 4Data science and analytics, Bayer plc, Reading, UK 5Rheumatology a Department, Paris Descartes University, inseRM U1016, sorbonne, Paris Cité, Cochin Hospital, Paris, France 6Division of Rheumatology, University of Florence, Florence, italy 7Department of Medicine, Division of Rheumatology, University of Western Ontario, st. Joseph’s Health Care, london, Western Ontario, Canada 8Department of Rheumatology, Royal Free Hospital, University College london, london, UK 9scleroderma Program, Department of internal Medicine, Division of Rheumatology, University of Michigan, ann arbor, Michigan, Usa Acknowledgements The authors thank nicole schneider for excellent administration and data entry into the eUsTaR cohort. Medical writing assistance was provided by adelphi Communications ltd (Bollington, UK), funded by Bayer aG (Berlin, Germany)., This study was supported by a grant from Bayer aG.

Published
2019

13. Multistate equilibrium unfolding of Escherichia coli dihydrofolate reductase: thermodynamic and spectroscopic description of the native, intermediate, and unfolded ensembles.

Author

Ionescu RM, Smith VF, O'Neill JC Jr, and Matthews CR

Subjects
Circular Dichroism, Cysteine deficiency, Cysteine genetics, Escherichia coli genetics, Isoenzymes chemistry, Isoenzymes genetics, Mutagenesis, Insertional, Mutagenesis, Site-Directed, Protein Conformation, Protein Denaturation genetics, Spectrometry, Fluorescence, Spectrophotometry, Ultraviolet, Temperature, Tetrahydrofolate Dehydrogenase genetics, Thermodynamics, Urea, Escherichia coli enzymology, Protein Folding, Tetrahydrofolate Dehydrogenase chemistry
Abstract

The thermodynamic and spectroscopic properties of a cysteine-free variant of Escherichia coli dihydrofolate reductase (AS-DHFR) were investigated using the combined effects of urea and temperature as denaturing agents. Circular dichroism (CD), absorption, and fluorescence spectra were recorded during temperature-induced unfolding at different urea concentrations and during urea-induced unfolding at different temperatures. The first three vectors obtained by singular-value decomposition of each set of unfolding spectra were incorporated into a global analysis of a unique thermodynamic model. Although individual unfolding profiles can be described as a two-state process, a simultaneous fit of 99 vectors requires a three-state model as the minimal scheme to describe the unfolding reaction along both perturbation axes. The model, which involves native (N), intermediate (I), and unfolded (U) states, predicts a maximum apparent stability, DeltaG degrees (NU), of 6 kcal mol(-)(1) at 15 degrees C, an apparent m(NU) value of 2 kcal mol(-)(1) M(-)(1), and an apparent heat capacity change, DeltaC(p)()(-NU), of 2.5 kcal mol(-)(1) K(-)(1). The intermediate species has a maximum stability of approximately 2 kcal mol(-)(1) and a compactness closer to that of the native than to that of the unfolded state. The population of the intermediate is maximal ( approximately 70%) around 50 degrees C and falls below the limits of detection of > or =2 M urea or at temperatures of <35 or >65 degrees C. The fluorescence properties of the equilibrium intermediate resemble those of a transient intermediate detected during refolding from the urea-denatured state, suggesting that a tryptophan-containing hydrophobic cluster in the adenosine-binding domain plays a key role in both the equilibrium and kinetic reactions. The CD spectroscopic properties of the native state reveal the presence of two principal isoforms that differ in ligand binding affinities and in the packing of the adenosine-binding domain. The relative populations of these species change slightly with temperature and do not depend on the urea concentration, implying that the two native isoforms are well-structured and compact. Global analysis of data from multiple spectroscopic probes and several methods of unfolding is a powerful tool for revealing structural and thermodynamic properties of partially and fully folded forms of DHFR.

Published
2000
Full Text
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14. Folding under the influence.

Author

Ionescu RM and Matthews CR

Subjects
Acid Anhydride Hydrolases genetics, Alcohols chemistry, Alcohols pharmacology, Carboxypeptidases chemistry, Carboxypeptidases A, Enzyme Precursors chemistry, Kinetics, Models, Molecular, Mutation, Protein Conformation, Solvents, Trifluoroethanol chemistry, Trifluoroethanol pharmacology, Acylphosphatase, Acid Anhydride Hydrolases chemistry, Protein Folding
Published
1999
Full Text
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15. Global analysis of the acid-induced and urea-induced unfolding of staphylococcal nuclease and two of its variants.

Author

Ionescu RM and Eftink MR

Subjects
Circular Dichroism, Crystallography, X-Ray, Genetic Variation, Hydrogen-Ion Concentration, Kinetics, Micrococcal Nuclease drug effects, Models, Structural, Mutagenesis, Site-Directed, Point Mutation, Protein Folding, Protein Structure, Secondary, Recombinant Proteins chemistry, Recombinant Proteins drug effects, Thermodynamics, Micrococcal Nuclease chemistry, Protein Conformation drug effects, Protein Denaturation, Urea pharmacology
Abstract

We have studied the equilibrium unfolding staphylococcal nuclease and two of its variants, V66W and V66W', over two perturbation axes (acid-induced unfolding as a function of urea concentration and urea-induced unfolding as a function of pH). The transitions were monitored by simultaneous measurements of circular dichroism and fluorescence. With this multidimensional array of data (2 perturbation axes and 2 signals), we present a strategy of performing a global analysis, over as many as 12 individual data sets, to test various models for the unfolding process, to determine with greater confidence the pertinent thermodynamic parameters, and to characterize unfolding intermediates. For example, wildtype nuclease shows a cooperative two-state transition with either urea or pH as denaturant, but the global fits are improved when the model is expanded to include a pH dependence of the urea m value or when two distinct classes of protonic groups are considered. The best fit for wild-type nuclease is with delta G degree 0,UN = 6.4 kcal/mol at pH 7, with the acid-induced unfolding being triggered by protonation of three to five carboxylate groups (with possible contribution from His121), and with the urea m = 2.5 kcal mol-1 M-1. V66W' lacks the last 13 amino acids on the C-terminus, has a tryptophan at position 66, has a predominantly beta-sheet structure, and is less stable than the wild type. For V66W', delta G degree 0,UN = 1.6 kcal/mol, m = 1.2 kcal mol-1 M-1, and there are two or three groups responsible for acid unfolding. V66W, a full-length mutant with two tryptophan residues, unfolds via a three-state mechanism: native reversible intermediate reversible unfolded. It appears that its beta-barrel subdomain retains structure in the intermediate state. Assuming that the unfolding of V66W' and the beta-barrel subdomain of V66W can be described by the same thermodynamic parameters, a global analysis enabled a description of the alpha subdomain of V66W with delta G degree 0,IN = 2.7 kcal/mol, mIN = 1.1 kcal mol-1 M-1, and with the acid unfolding being triggered by protonation of a single group. This group has a pKa around 6 in the unfolded state, suggesting that the state of protonation of a histidine residue may contribute significantly to the stability of V66W.

Published
1997
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