Study of Efficacy and Safety of Investigational Treatments in Patients With Moderate to Severe Hidradenitis Suppurativa

Inclusion Criteria:

• Patients with moderate to severe HS based on the number of lesions, fistulae andanatomical areas involved

• Minimal body weight of 50 kg

• Able to communicate well with the investigator and understand and comply with therequirements of the study, and the ability and willingness to conduct study visitsas per the study schedule

Exclusion Criteria:

• Use of other investigational drugs at the time of screening or before

• Women physiologically capable of becoming pregnant, unless they are using highlyeffective methods of contraception

• Pregnant or lactating women

Other protocol-defined inclusion/exclusion criteria may apply