Status:

COMPLETED

PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)

Lead Sponsor:

Protagonist Therapeutics, Inc.

Conditions:

Ulcerative Colitis Chronic Moderate

Ulcerative Colitis Chronic Severe

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

The purpose of the study is to evaluate the safety, tolerability, and clinical efficacy of PN-943 450 mg twice daily \[BID\] and PN-943 150 mg BID, compared with placebo BID, in subjects with moderate...

Detailed Description

The study consists of a 12-week double-blind, placebo-controlled treatment period. Participants will be randomized in a 1:1:1 ratio to PN-943 450 mg BID, PN-943 150 mg BID, or matching placebo BID. P...

Eligibility Criteria

Inclusion

  • Key
  • Male and female subjects age 18 (or the minimum country specific age of consent if \>18) to 75 years.
  • Subject understands the study procedures and agrees to participate in the study by giving written informed consent.
  • Diagnosis of UC supported by appropriate documentation of biopsy results consistent with UC.
  • Moderate to severe active UC.
  • Demonstrated inadequate response, loss of response, or intolerance of at least 1 of oral aminosalicylates (5-ASAs), corticosteroids, immunomodulators, or a biologic (excluding vedolizumab).
  • Key

Exclusion

  • Subject with a current diagnosis of Crohn's disease (CD), indeterminate colitis (IC), microscopic colitis, ischemic colitis, radiation colitis.
  • History of colonic dysplasia other than completely removed low-grade dysplastic lesion.
  • History of active bacterial, viral, fungal or mycobacterial infection requiring hospitalization or IV antibiotic/anti-infective treatment within 4 weeks of screening or oral antibiotics/anti-infectives within 2 weeks of screening.
  • Prior treatment with vedolizumab, natalizumab, or any agent targeting the α4β7 or β1 integrin or planned during the study.
  • Positive stool test for C. difficile.
  • Chronic recurrent or serious infection.
  • Known primary or secondary immunodeficiency.
  • Pregnant or lactating female or considering becoming pregnant during the study or within 30 days after the last dose of study medication.
  • History of any major neurological disorders.

Key Trial Info

Start Date :

August 5 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 16 2023

Estimated Enrollment :

169 Patients enrolled

Trial Details

Trial ID

NCT04504383

Start Date

August 5 2020

End Date

February 16 2023

Last Update

April 25 2023

Active Locations (122)

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Page 1 of 31 (122 locations)

1

Protagonist Investigational Site

Tucson, Arizona, United States, 85712

2

Protagonist Investigational Site

Garden Grove, California, United States, 92845

3

Protagonist Investigational Site

Los Angeles, California, United States, 90036

4

Protagonist Investigational Site

Murrieta, California, United States, 92563