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PN-943

Phase 2

Ulcerative Colitis Chronic Moderate | Small molecule | Gastrointestinal |Protagonist Therapeutics, Inc.|Last Updated: Apr 25, 2023

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment169

FDA Designations

No designations recorded

Clinical trial landscape

PN-943 · 1 trial · 2 indications

Phase 2 1
NCT04504383PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)Ulcerative Colitis Chronic Moderate
COMPLETED169 Analytics
PHASE2COMPLETED
PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)
Ulcerative Colitis Chronic ModerateUnlock trial analytics

Study Endpoints

Primary Endpoints

Proportion of subjects achieving clinical remission at Week 12 compared to placebo.
Week 12

Clinical remission is determined using the Adapted Mayo score (sum of 3 subscores from the Mayo score): * Stool frequency subscore (SFS) * Rectal bleeding subscore (RBS) * Endoscopic subscore (ESS)

Secondary Endpoints

Comparison between PN-943 high-dose and low-dose individually to placebo.
Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PN-943 450 mg BIDEXPERIMENTALOral administration of PN-943 450 mg BID
PN-943 150 mg BIDEXPERIMENTALOral administration of PN-943 150 mg BID
Placebo BIDPLACEBO_COMPARATOROral administration of matching placebo

Interventions

NameTypeDescription
PN-943DRUGAdministered by the oral route BID for the duration of the study.
PlaceboDRUGAdministered by the oral route BID for 12 weeks.
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites122

Key Inclusion Criteria: 1. Male and female subjects age 18 (or the minimum country specific age of consent if \>18) to 75 years. 2. Subject understands the study procedures and agrees to participate in the study by giving written informed consent. 3. Diagnosis of UC supported by appropriate documen...

Countries:United StatesAustriaBulgariaCanadaGeorgiaGermanyHungaryItalyPolandRussiaSerbiaSouth KoreaUkraine
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Frequently asked questions about PN-943

What is PN-943 used for?

PN-943 is an investigational oral small molecule being developed for the treatment of moderate to severe active ulcerative colitis, a chronic inflammatory bowel disease. It is currently in Phase 2 clinical development and is not yet approved by regulatory authorities.

Who is developing PN-943?

PN-943 is being developed by Protagonist Therapeutics, Inc., a biopharmaceutical company traded on the Nasdaq under the ticker symbol PTGX. The company is conducting clinical trials to evaluate the safety and efficacy of PN-943 in patients with ulcerative colitis.

What phase is PN-943 in?

PN-943 is in Phase 2 clinical development. A Phase 2 trial has been completed, and the drug remains investigational, meaning it has not been approved for commercial use. Further studies may be needed to establish its safety and efficacy profile.

What clinical trials has PN-943 been in?

PN-943 has been studied in a Phase 2 clinical trial identified as NCT04504383, titled 'PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)'. This randomized, double-blind, placebo-controlled trial enrolled 169 participants across multiple countries, including the United States, Canada, and several European nations.

Is PN-943 the same as any other drug?

PN-943 is a distinct investigational compound developed by Protagonist Therapeutics. No alternative names for PN-943 have been disclosed in public clinical trial registries. It is being evaluated specifically for its potential role in treating ulcerative colitis.

How was the PN-943 clinical trial designed?

The Phase 2 trial of PN-943 was a randomized, double-blind, placebo-controlled study. It enrolled 169 adults with moderate to severe active ulcerative colitis. The trial was completed and did not require biomarker-based patient selection. Participants were at least 18 years old, and the study was conducted internationally.