Placebo to match filgotinib

Long Term Extension Study to Assess the Safety and Efficacy of Filgotinib in Adults With Rheumatoid Arthritis

Study to Evaluate the Efficacy and Safety of Filgotinib in Participants With Active Psoriatic Arthritis Who Are Naive to Biologic DMARD Therapy

Study to Evaluate the Efficacy and Safety of Filgotinib in the Treatment of Perianal Fistulizing Crohn's Disease

Study to Evaluate the Efficacy and Safety of Filgotinib in Participants With Active Psoriatic Arthritis Who Have an Inadequate Response or Are Intolerant to Biologic DMARD Therapy

Study to Evaluate the Efficacy and Safety of Filgotinib in Adults With Active Noninfectious Uveitis

Study to Evaluate the Efficacy and Safety of Filgotinib in the Treatment of Small Bowel Crohn's Disease (SBCD)

Filgotinib in Combination With Methotrexate in Adults With Moderately to Severely Active Rheumatoid Arthritis Who Have an Inadequate Response to Methotrexate

Filgotinib Alone and in Combination With Methotrexate (MTX) in Adults With Moderately to Severely Active Rheumatoid Arthritis Who Are Naive to MTX Therapy

Filgotinib Versus Placebo in Adults With Active Rheumatoid Arthritis (RA) Who Have an Inadequate Response to Biologic Disease-modifying Anti-rheumatic Drug(s) (DMARDs) Treatment

Study to Evaluate the Efficacy and Safety of Filgotinib in Participants With Active Ankylosing Spondylitis Who Are Naive to Biologic Disease-Modifying Antirheumatic Drug Therapy

Study to Evaluate the Efficacy and Safety of Filgotinib in Participants With Active Ankylosing Spondylitis Who Have an Inadequate Response to Biologic Disease-Modifying Antirheumatic Drug Therapy