This study is designed to evaluate the long-term safety and efficacy of Upadacitinib in participants with ulcerative colitis (UC) who have not responded at the end of the induction period in Study M14-234 Substudy 1, who have had loss of response during the maintenance period of Study M14-234 Substudy 3, or who have successfully completed Study M14-234 Substudy 3.
Upadacitinib (ABT-494) will be administered orally.
Placebo will be administered orally.
Ciudad Autonoma de Buenos Aire, Buenos Aires, Argentina
San Isidro, Buenos Aires, Argentina
Ciudad Autonoma de Buenos Aire, Buenos Aires F.D., Argentina
Ciudad Autonoma de Buenos Aire, Buenos Aires F.D., Argentina
San Miguel de Tucumán, Tucumán Province, Argentina
Córdoba, Argentina