A Study to Investigate How Well Ravagalimab (ABBV-323) Works and How Safe it is in Participants With Moderate to Severe Ulcerative Colitis Who Failed Prior Therapy

Debreceni Egyetem Klinikai Kozpont /ID# 221952, Debrecen

Szegedi Tudomanyegyetem Szent-Gyorgyi Albert Klinikai Kozpont /ID# 221576, Szeged

Charite Universitaetsmedizin Berlin - Campus Mitte /ID# 207570, Berlin

Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico /ID# 208504, Milan

Universitaetsklinikum Schleswig-Holstein Campus Kiel /ID# 207571, Kiel

Hospital General Universitario Gregorio Maranon /ID# 204504, Madrid

Hospital Universitario La Paz /ID# 210065, Madrid

Kyungpook National University Hospital /ID# 209912, Daegu

Yeungnam University Medical Center /ID# 210447, Daegu

CHRU Nancy - Hôpitaux de Brabois /ID# 208133, Vandœuvre-lès-Nancy

Universitaetsklinikum Frankfurt /ID# 207569, Frankfurt am Main

The University of Chicago DCAM /ID# 207086, Chicago

Clinical Associates in Research Therapeutics of America, LLC /ID# 204689, San Antonio

Banner University Medical Cent /ID# 208392, Tucson

Univ New Mexico /ID# 208817, Albuquerque

University of Catanzaro /ID# 204546, Catanzaro

TLC Clinical Research Inc /ID# 206626, Los Angeles

Meridian Investigator Network /ID# 218568, Lakewood

Hopital Beaujon /ID# 208129, Clichy

UC Davis Medical Center /ID# 209402, Sacramento

Meridian Investigator Network /ID# 204646, Huntington Beach

Orange County Institute of Gastroenterology and Endoscopy /ID# 207405, Mission Viejo

Affinity Clinical Research /ID# 206211, Oak Brook

Penn Presbyterian Medical Center /ID# 206826, Philadelphia

Vanderbilt University Medical Center /ID# 204670, Nashville

Mount Sinai Hospital /ID# 206180, Toronto

Chu de Nice-Hopital L'Archet Ii /Id# 208131, Nice

Presidio Columbus-Fondazione Policlinico Universitario Agostino Gemelli IRCCS-Un /ID# 204549, Rome

Maastricht Universitair Medisch Centrum /ID# 204428, Maastricht

Franciscus Gasthuis & Vlietland /ID# 206976, Rotterdam

Elisabeth Tweesteden Ziekenhuis /ID# 206272, Tilburg

Hospital Santa Creu i Sant Pau /ID# 213259, Barcelona

NHS Greater Glasgow and Clyde /ID# 206574, Glasgow

Belfast Health and Social Care Trust /ID# 206744, Belfast