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PN-943

Phase 2

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

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment169
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04504383PN-943 in Adults With Moderate to Severe Active Ulcerative Colitis (UC)PHASE2 COMPLETED 169Aug 5, 2020Feb 16, 2023Apr 25, 2023122 United States, Austria +11
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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 — 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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