A Study to Evaluate the Efficacy and Safety of PF-06480605 in Adults With Moderate to Severe Ulcerative Colitis

Purpose

This phase 2b study is designed to have all subjects go into a 12 week induction period to compare different doses of study drug against placebo. After induction is complete all subjects will receive active therapy for 40 weeks, followed by a 12 week follow up period.

Condition

  • Moderate to Severe Ulcerative Colitis

Eligibility

Eligible Ages
Between 18 Years and 75 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • - A diagnosis of UC for ≥3 months. - Participants with moderate to severe active UC as defined by a Total Mayo Score of ≥6, and an endoscopic subscore of ≥2. - Active disease beyond the rectum (>15 cm of active disease from the anal verge at the screening endoscopy). - Must have failed or been intolerant to at least one of the following class of medications: steroids, immunosuppressants, anti-TNFs, anti-integrin inhibitors, anti- IL-12/23 inhibitors, or JAK inhibitors.

Exclusion Criteria

  • Participants with a diagnosis of ischemic colitis, infectious colitis, radiation colitis, microscopic colitis, indeterminate colitis, or findings suggestive of Crohn's disease (eg, skip lesions, fistulae/perianal disease, non-necrotizing granulomas, etc.). - Participants with an imminent need for surgery or with elective surgery scheduled to occur during the study - Chest Radiograph showing abnormalities: The study will accept a Chest x-ray or computed tomography scan of the chest examination performed up to 12 weeks prior to screening if available. - 12-lead electrocardiogram (ECG) that demonstrates clinically relevant abnormalities that may affect participant safety or interpretation of study results - Infected with tuberculosis, (TB): Any evidence of untreated latent or active TB infection. - Infected with human immunodeficiency virus, (HIV), Hepatitis B or C viruses

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Double (Participant, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Cohort 1
Induction - Placebo SC Q4W, (sub-cutaneous every 4 weeks) Chronic- PF-06480605 50 mg SC Q4W
  • Other: Induction- Placebo SC Q4W
    0 mg Placebo
  • Drug: Chronic- PF-06480605 50 mg SC Q4W
    PF-06480605
Experimental
Cohort 2
Induction - Placebo SC Q4W, Chronic- PF-06480605 150 mg SC Q4W
  • Other: Induction- Placebo SC Q4W
    0 mg Placebo
  • Drug: Chronic- PF-06480605 150 mg SC Q4W
    PF-06480605
Experimental
Cohort 3
Induction - Placebo SC Q4W, Chronic- PF-06480605 450 mg SC Q4W
  • Other: Induction- Placebo SC Q4W
    0 mg Placebo
  • Drug: Chronic- PF-06480605 450 mg SC Q4W
    PF-06480605
Placebo Comparator
Cohort 4
Induction- PF-06480605 50 mg SC Q4W, Chronic- PF-06480605 50 mg SC Q4W
  • Drug: Induction- PF-06480605 50 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 50 mg SC Q4W
    PF-06480605
Experimental
Cohort 5
Induction- PF-06480605 150 mg SC Q4W, Chronic- PF-06480605 50 mg SC Q4W
  • Drug: Induction- PF-06480605 150 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 50 mg SC Q4W
    PF-06480605
Experimental
Cohort 6
Induction- PF-06480605 150 mg SC Q4W, Chronic- PF-06480605 150 mg SC Q4W
  • Drug: Induction- PF-06480605 150 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 150 mg SC Q4W
    PF-06480605
Experimental
Cohort 7
Induction- PF-06480605 450 mg SC Q4W, Chronic- PF-06480605 50 mg SC Q4W
  • Drug: Induction- PF-06480605 450 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 50 mg SC Q4W
    PF-06480605
Experimental
Cohort 8
Induction- PF-06480605 450 mg SC Q4W, Chronic- PF-06480605 150 mg SC Q4W
  • Drug: Induction- PF-06480605 450 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 150 mg SC Q4W
    PF-06480605
Experimental
Cohort 9
Induction- PF-06480605 450 mg SC Q4W, Chronic- PF-06480605 450 mg SC Q4W
  • Drug: Induction- PF-06480605 450 mg SC Q4W
    PF-06480605
  • Drug: Chronic- PF-06480605 450 mg SC Q4W
    PF-06480605

More Details

Status
Completed
Sponsor
Hoffmann-La Roche

Study Contact