Study to Evaluate the Efficacy and Safety of PF-06480605 in Adult Participants With Moderate to Severe Crohn's Disease

A PHASE 2A, MULTICENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY WITH AN OPEN LABEL CHRONIC TREATMENT PERIOD TO EVALUATE THE EFFICACY, SAFETY, AND PHARMACOKINETICS OF PF-06480605 IN ADULT PARTICIPANTS WITH MODERATE TO SEVERE CROHN'S DISEASE

This Phase 2a, multicenter, randomized, double-blind, placebo-controlled study examines subcutaneous dose of PF-06480605 150 mg administered every 4 weeks in participants with moderate to severe active Crohn's Disease to characterize safety, efficacy, pharmacokinetics, and immunogenicity

Inclusion Criteria:

• Confirmed diagnosis of ileocolonic or colonic CD with at least 3 months or longer prior to the baseline;
• Central read total SES-CD score of ≥7. For isolated ileal disease, SES-CD total score should be ≥4;
• An average daily liquid/very soft SF ≥4 or daily AP score ≥2.0;
• CDAI between 220 and 450 inclusive;
• Must have inadequate response to, loss of response to, or intolerance to at least one conventional therapy for CD

Exclusion Criteria:

• Diagnosis of indeterminate colitis, microscopic colitis, ischemic colitis, infectious colitis, radiation colitis, diverticular disease, UC, or clinical findings suggestive of UC;
• Presence of active (draining) fistulae or intra-abdominal or perineal abscesses;
• Strictures or stenosis with obstructive symptoms;
• Short bowel syndrome;
• History of bowel perforation requiring surgical intervention within the past 12 months prior to baseline;
• Previous bowel surgery resulting in an existing stoma. Participants who have a j-pouch are excluded, as a j-pouch can result in a stoma;
• History of bowel surgery within 6 months prior to baseline.