New drug shows promise in taming psoriatic arthritis flares
NCT ID NCT03158285
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This Phase 3 study tested guselkumab, a drug given by injection, in 741 adults with active psoriatic arthritis. The goal was to see if it reduces joint pain and swelling. Participants received either guselkumab or a placebo. The main measure was a 20% improvement in arthritis symptoms at 24 weeks.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
guselkumab
What this could lead to
If successful, this could provide a new treatment option to control psoriatic arthritis symptoms and improve physical function.
What could go wrong
This is a completed Phase 3 trial, but results may not apply to all patients. Risks include potential side effects from the drug, and it is not a cure.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Akdeniz University Medical Faculty
Antalya, 7059, Turkey (Türkiye)
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Ankara Bilkent City Hospital
Ankara, 06800, Turkey (Türkiye)
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Arizona Arthritis & Rheumatology Associates PC
Glendale, Arizona, 85306, United States
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Arizona Arthritis & Rheumatology Research, PLLC
Mesa, Arizona, 85210, United States
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Arthritis Consultants
St Louis, Missouri, 63141, United States
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Austin Regional Clinic
Austin, Texas, 78731-3146, United States
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Bakirkoy Training and Research Hospital
Istanbul, 34147, Turkey (Türkiye)
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Biogenes Sp z o o
Wroclaw, 53 224, Poland
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Central Outpatient Clinic
Vilnius, LT01117, Lithuania
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Centrum Badan Klinicznych PI House sp z o o
Gdansk, 80 546, Poland
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Centrum Badawcze Wspolczesnej Terapii
Lodz, 90-242, Poland
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Centrum Kliniczno Badawcze
Elblag, 82-300, Poland
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Centrum Medyczne AMED Targowek
Warsaw, 03 291, Poland
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Centrum Medyczne AMED oddzial w Lodzi
Lodz, 91 363, Poland
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Centrum Medyczne Hetmanska
Poznan, 60 218, Poland
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Chang Gung Memorial Hospital Kaohsiung Branch
Kaohsiung City, 833, Taiwan
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Chang Kung Memorial Hospital
Taipei, 105, Taiwan
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Chang-Gung Memorial Hospital, LinKou Branch
Taoyuan, 333, Taiwan
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Chelyabinsk Regional Clinical Dermatovenerological Dispensary
Chelyabinsk, 454092, Russia
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City Clinic №25 - City Rheumatology Centre
Saint Petersburg, 190068, Russia
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City Clinical Hospital No. 2
Kryvyi Rih, 50056, Ukraine
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Clinical Diagnostic Center 'Ultramed'
Omsk, 644024, Russia
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Clinical Emergency Hospital n.a. N.V. Solovyev
Yaroslavl, 150003, Russia
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Clinical Hospital #10
Yaroslavl, 150023, Russia
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Clinical Hospital #3
Yaroslavl, 150007, Russia
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Clinical Research Center of Connecticut
Danbury, Connecticut, 06810, United States
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Clinical Research Centre
Tartu, 50106, Estonia
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Communal Institution of Health Kharkiv City multifield hospital №18
Kharkiv, 61029, Ukraine
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Communal Noncommercial Enterprise Cherkasy Regional Hospital of Cherkasy Regional Council
Cherkasy, 18009, Ukraine
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Danylo Haytsky Lviv National Medical University, Lviv Regional Clinical Hospital
Lviv, 79010, Ukraine
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Daugavpils Regional Hospital
Daugavpils, LV5417, Latvia
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Dawes Fretzin Clinical Research Group LLC
Indianapolis, Indiana, 46256-4697, United States
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Derma Clinic Riga
Riga, LV1003, Latvia
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Diagnostic Consulting Center No 17
Sofia, 1505, Bulgaria
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Dokuz Eylul Universitesi Tip Fakultesi
Izmir, 35340, Turkey (Türkiye)
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East Tallinn Central Hospital
Tallinn, 11312, Estonia
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Etyka Osrodek Badan Klinicznych
Olsztyn, 10 117, Poland
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Family polyclinic #4
Korolyov, 141060, Russia
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H.U. Infanta Sofía
San Sebastián de los Reyes, 28702, Spain
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Hacettepe University Medical Faculty
Ankara, 6100, Turkey (Türkiye)
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Hosp Reina Sofia
Córdoba, 14004, Spain
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Hosp Univ A Coruna
A Coruña, 15006, Spain
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Hosp. Clinico Univ. de Santiago
Santiago de Compostela, 15706, Spain
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Hosp. Do Meixoeiro
Vigo, 36214, Spain
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Hosp. Infanta Luisa
Seville, 41010, Spain
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Hosp. Regional. Carlos Haya
Málaga, 29009, Spain
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Hosp. Univ. Dr. Peset
Valencia, 46017, Spain
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Hosp. Univ. I Politecni La Fe
Valencia, 46026, Spain
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Hosp. Univ. Infanta Leonor
Madrid, 28031, Spain
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Hosp. Univ. Ramon Y Cajal
Madrid, 28034, Spain
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Hosp. Univ. de Basurto
Bilbao, 48013, Spain
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Hosp. Univ. de Cruces
Barakaldo, 48903, Spain
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Hosp. Unv. de Valme
Seville, 414014, Spain
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Hosp. de Merida
Mérida, 06800, Spain
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Hospital Melaka
Malacca, 75400, Malaysia
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Hospital Putrajaya
Putrajaya, 62250, Malaysia
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Hospital Raja Permaisuri Bainun
Ipoh, 30990, Malaysia
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Hospital Selayang
Batu Caves, 68100, Malaysia
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Hospital Tuanku Jaafar
Seremban, 70300, Malaysia
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Hualien Tzu Chi Hospital
Hualien City, 970, Taiwan
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Ivano-Frankivsk National Medical University, Ivano-Frankivsk City Clinical Hospital
Ivano-Frankivsk, Ukraine
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Izmir Katip Celebi University Medical Faculty Ataturk Training and Research Hospital
Izmir, 35360, Turkey (Türkiye)
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J Kisis Ltd
Riga, LV1003, Latvia
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Kharkiv Railway Clinical Hospital N1 Of Brance 'Health Center'
Kharkiv, 61029, Ukraine
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Khmelnitckiy regional hospital
Khmelnytsky, 29000, Ukraine
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Krasnodar Clinical Dermatovenerologic Dispensary
Krasnodar, 350020, Russia
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Krasnoyarsk State Medical University
Krasnoyarsk, 660022, Russia
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Kyiv City Clinical Hospital #3
Kyiv, 02125, Ukraine
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Kyiv Railway Station Clinical Hospital #2
Kyiv, Ukraine
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Kyiv Regional Clinical Hospital
Kyiv, 04107, Ukraine
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Leningrad region clinical hospital
Saint Petersburg, 194291, Russia
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Lipetsk Regional Dermatovenerological Dispensary
Lipetsk, 398005, Russia
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Lubelskie Centrum Diagnostyczne
Świdnik, 21 040, Poland
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Lviv Communcal City Clinical Hospital #4
Lviv, Ukraine
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MHAT-Targovishte, AD
Targovishte, 7700, Bulgaria
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MNCE Zakarpatska Regional Clinical Hospital named after A Novak of Zakarpatska Regional Council
Uzhhorod, 88000, Ukraine
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MUDr Rosypalova s r o
Ostrava, 70800, Czechia
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Marmara University Medical Faculty
Istanbul, 34899, Turkey (Türkiye)
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Medical Center 'Consylium Medical'
Kyiv, 04050, Ukraine
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Medical Center LTD Health Clinic Department of Cardiology and Rheumatology
Vinnytsia, 21009, Ukraine
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Medical Center Teodora
Rousse, 7003, Bulgaria
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Medical Centre Maximum Health
Kemerovo, 650066, Russia
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Medical Centre Synexus
Sofia, 1794, Bulgaria
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Medical Plus S R O
Uherské Hradiště, 68601, Czechia
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Medical and Sanitary Unit ''Severstal''
Cherepovets, 162600, Russia
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Medycyna Kliniczna
Warsaw, 00-874, Poland
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Mi 'Kherson City Clinical Hospital Of E.E. Karabelesh'
Kherson, 73000, Ukraine
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Military Medical Academy
Sofia, 1606, Bulgaria
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Moscow State Medical and Stomatological University
Moscow, 111398, Russia
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Multidisciplinary Medical Center of Odessa National Medical University
Odesa, 65026, Ukraine
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Multiprofile Hospital for Active Treatment Plovdiv
Plovdiv, 4003, Bulgaria
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Multiprofile Hosptal for Active Treatment Eurohospital Plovdiv
Plovdiv, 4004, Bulgaria
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Municipal Institution Regional hospital-center of emergency care and disasters medicine
Kharkiv, Ukraine
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Municipal Non-commercial Enterprise Ternopil University Hospital of Ternopil Regional Council
Ternopil, Ukraine
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Municipal Non-profit Enterprise 'Odesa Regional Clinical Hospital' Odesa Regional Council
Odesa, 65025, Ukraine
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Municipal health care institution Chernihiv Regional Hospital
Chernihiv, 14029, Ukraine
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Municipal institution Central Clinical Hospital #1 Zhytomir
Zhytomyr, 10002, Ukraine
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Municipal institution of Tepnopil Regional Council 'Ternopil University Hospital'
Ternopil, 46002, Ukraine
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NSZOZ Unica CR
Dąbrówka, 62-069, Poland
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NZOZ Lecznica MAK MED S C
Nadarzyn, 05-830, Poland
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Narodowy Instytut Geriatrii Reumatologii i Rehabilitacji im prof dr hab med Eleonory Reicher
Warsaw, 02 637, Poland
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Nasz Lekarz Przychodnie Medyczne
Torun, 87-100, Poland
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National Cheng Kung University Medical Center
Tainan, 704, Taiwan
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National Osteoporosis Centre
Vilnius, LT09310, Lithuania
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OU Innomedica
Tallinn, 10117, Estonia
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Orenburg State Medical University
Orenburg, 460000, Russia
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Orto Clinic Ltd
Riga, LV1005, Latvia
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Osmangazi University Medical Faculty
Eskişehir, 26480, Turkey (Türkiye)
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PV Medical S R O
Zlín, 76001, Czechia
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Parnu Hospital
Pärnu, 80010, Estonia
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Poltava Regional Clinical Hospital HSEI of Ukraine Ukrainian Medical Stomatological Academy
Poltava, Ukraine
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Regional Clinical Hospital
Tver', 170036, Russia
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Regional Clinical Hospital for War Veterans
Kemerovo, 650000, Russia
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Republican Clinical Hospital - G.G. Kuvatov
Ufa, 450005, Russia
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Republican Hospital n.a.V.A.Baranov
Petrozavodsk, 185019, Russia
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Research Institute of Dermatovenerology, Immunology
Yekaterinburg, 620076, Russia
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Revmacentrum MUDr Mostera s r o
Brno-Židenice, 615 00, Czechia
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Revmaclinic
Brno, 61141, Czechia
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Revmatologicka ambulance
Prague, 14000, Czechia
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Revmatologicky institut
Prague, 12850, Czechia
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Rheumatology Associates
Birmingham, Alabama, 35205, United States
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Rostov Regional Clinical Dermatovenerological Dispensary
Rostov-on-Don, 344007, Russia
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Ryazan Regional Clinical Dermatovenerological Dispensary
Ryazan, 390046, Russia
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SI National Scientific Center Institute of Cardiology of M.D. Strazhesko of NAMS of Ukraine
Kyiv, Ukraine
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Saratov Regional Clinical Hospital
Saratov, 410053, Russia
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Sarawak General Hospital
Kuching, Sarawak, Malaysia
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Siauliai Republican Hospital, Public Institution
Šiauliai, LT-76231, Lithuania
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Smolensk regional hospital on Smolensk railway station
Smolensk, 214025, Russia
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State Institution Institute of therapy named after L.T.Malaya AMS Ukraine
Kharkiv, 61039, Ukraine
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Sumy State University
Sumy, Ukraine
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Szpital Uniwersytecki Nr 2 w Bydgoszczy
Bydgoszcz, 85 168, Poland
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Tula Regional Clinical Dermatovenerological Dispensary
Tula, 300053, Russia
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Uludag University Medical Faculty
Bursa, 16059, Turkey (Türkiye)
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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VNMUn.af.Pyrogova,CNE Vinnytsia Regional Clinical Hospital n.af.Pyrogova Vinnytsia Regional Council
Vinnytsia, Ukraine
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Vakk, Jsc
Kaunas, LT50128, Lithuania
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Wro Medica
Wroclaw, 51-685, Poland
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Zaporizhzhya Regional Clinical Hospital
Zaporizhzhya, Ukraine