A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of UTTR1147A Compared With Placebo and With Vedolizumab in Participants With Moderate to Severe Ulcerative Colitis (UC)

Magyar Honvédség Egészségügyi Központ; Országos Haemophilia Központ, Budapest

"Med Center of International Institute of Clinical Trials LLC; Medical Center OK!Clinic+", Kyiv

MHAT Saint Karidad EAD, Plovdiv

Multiprofile Hospital for Active Treatment Hadji Dimitar OOD, Sliven

Medical Centre of PE First Private Clinic, Zhytomyr

Gastroenterologische Spezialpraxis-Berlin-Karlshorst, Berlin

Clinical Hospital Center Zvezdara, Belgrade

KBC Dr Dragisa Misovic Dedinje, Belgrade

University Hospital Medical Center Bezanijska kosa, Belgrade

Clinical Hospital Centre Zemun, Zemun

Istituto Clinico Humanitas, Rozzano (MI)

ASST di Monza - Azienda Ospedaliera San Gerardo; U.O. Farmacia -Settore A - Corpo Posteriore, Monza

City Clinical Hospital #1; Department of Gastroenterology, Vinnytsia

Clinic of SRI of Invalid Rehab. (ESTC) of VNMU n.a. M.I.Pyrohov, Vinnytsia

General Hospital Djordje Joanovic - Zrenjanin, Zrenjanin

Universitatsklinikum Schleswig-Holstein, Lübeck

Treatment and Diagnostic Center of LLC MRT Elit, Kropyvnytskyi

General Hospital Vrsac, Vršac

Carolina Digestive Diseases, Greenville

Hospital Universitario de Torrejon, Torrejón de Ardoz

Clinical Center Kragujevac; Clinic Of Psychiatry, Kragujevac

Hospital de Gran Canaria Dr. Negrin; Servicio de Aparato Digestivo, Las Palmas de Gran Canaria

Azienda Ospedaliera Di Padova, Padua

Ternopil University Hospital; Regional Center of Gastroenterology with Hepatology, Ternopil

ME Dnipropetrovsk Regional Clinical Hospital n.a. I.I Mechnykov Dnipropetrovsk Regional Council, Dnipro

Medical Center of LLC Medical Center Family Medicine Clinic; Endoscopy & Gastroenterology, Dnipr

EUROMEDICA General Clinic of Thessaloniki; Gastroenterology Department, Thessaloniki

Regional Municipal Institution Chernivtsi Regional Clinical Hospital; Gastroenterology department, Chernivtsi

St. Marien Krankenhaus; Med. Klinik, Ludwigshafen

Medical Center of Diaservice LLC; Division of clinical trials conduct, Department #3, Zaporizhzhia

Medical Center of LLC Diaservis, Zaporizhzhia

Municipal Institution Zaporizhzhia Regional Clinical Hospital of Zaporizhzhia Regional Council, Zaporizhzhia

University of Utah School of Medicine; Gastroenterology Division, Salt Lake City

Transcarpathian Regional Clinical Hospital n.a. A. Novak; Rheumatology Department, Uzhhorod

Universitätsklinikum Ulm; Klinik für Innere Medizin II, Ulm

North-West State Medical University n.a. I.I. Mechnikov, Saint Petersburg

Saint Martyr Elizabeth City Hospital, Saint Petersburg

Rostov State Medical University; Cardiorheumatology Department, Rostov-on-Don

Medical University Reaviz, Samara

Irkutsk Research Centre Hospital of Siberian department of Russian Academy of Science, Irkutsk

Shaare Zedek Medical Center; Bait Vagan, Jerusalem

LLC ARENSIA Exploratory Medicine, Tbilisi

Universitaetsklinikum Carl Gustav Carus TU Dresden, Dresden

Iatriko Palaiou Falirou; Gastrointestinal Department, Palaió Fáliro

Portiuncula Hospital, Ballinasloe, Co Galway

Policlinico Universitario Campus Biomedico Di Roma, Rome

Complesso Integrato Columbus, Rome

ICS ARENSIA Exploratory Medicine, Chisinau

SPZOZ Uniwersytecki SK nr 1 im N. Barlickiego UM w Lodzi; Oddz. Klin. Gastroenter. Og. i Onk., ?ód?

Szpital Uniwersytecki Nr 2 im. Dr Jana Biziela w Bydgoszczy; Centrum Endoskopii Zabiegowej, Bydgoszcz

Synexus Polska Sp. z o.o. Oddzial w Czestochowie, Cz?stochowa

Synexus Polska Sp. z o.o. Oddzial w Gdansku, Gda?sk

Synexus - Katowice, Katowice

Economicus - NZOZ ALL-MEDICUS; Zaklad Gastroenterologii, Katowice

ETG Kielce, Kielce

Gastromed SPK Niepubliczny Zaklad Opieki Zdrowotnej, Lublin

Klimed Marek Klimkiewicz, Piotrkow Trybunalski

Synexus Polska Sp. z o.o. Oddzial w Poznaniu, Późna

Clinical Research Center Sp. z o.o. MEDIC-R Spó?ka Komandytowa, Późna

Endoskopia Sp. z o.o., Sopot

Gastromed Kopon Zmudzinski i, Toru?

Centrum Zdrowia MDM, Warsaw

Jaroslaw Kierkus Prywatna Prakyka Lekarska, Warsaw

Przychodnia EuroMediCare, Wroc?aw

Synexus Polska Sp. z o.o. Oddzial we Wroclawiu, Wroc?aw

Melita Medical, Wroc?aw

Medical Center of LLC Medical Clinic Blagomed, Kyiv

Medical Center of Limited Liability Company ?Harmoniya krasy?, Kyiv

Medical Center of LLC Medical Center Dopomoga Plus, Kyiv

Medical Center of Edelweiss Medics LLC, Kyiv

Synexus Affiliate - MC of LLC Medbud-Clinic, Kyiv

Kings College Hospital, London