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PL8177

Phase 2

Ulcerative Colitis | Small molecule | Immunology |Palatin Technologies, Inc.|Last Updated: Mar 5, 2025

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_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment16
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05466890Phase 2a to Evaluate PL-8177 in Subjects with Active Ulcerative Colitis (UC)PHASE2 ACTIVE NOT_RECRUITING 16Sep 15, 2022Mar 31, 2025Mar 5, 202514 United States
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Study Endpoints
Primary Endpoints
To evaluate the safety and tolerability of PL8177 compared to placebo in patients with active UC.
Baseline through Study Completion (Week 12).

Adverse events (AEs) will be collected from the time of signing the informed consent form (ICF). All subjects who are randomized will be monitored for AEs until the time they leave the study.

To compare the proportion of subjects achieving Mayo Endoscopic Subscore of ≤ 1 point (0 or 1) between PL8177 and placebo after 8 weeks of treatment.
Time Frame: Mayo Endoscopic Subscore will be evaluated at Week 8.

Efficacy will be determined through the use of the Mayo Endoscopic Subscore.

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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PL8177EXPERIMENTALPL8177 will be given orally and daily from baseline until end of study.
PlaceboPLACEBO_COMPARATORApproximately 1/4 of randomized patients will receive matching placebo as means of comparison to active treatment PL8177.
Interventions
NameTypeDescription
PL8177 PlaceboDRUGApproximately 1/4 of randomized patients will receive matching placebo as means of comparison to active treatment PL8177.
PL8177DRUGApproximately 3/4 of randomized patients will receive active PL8177.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites14

Inclusion Criteria: * Age ≥18 to ≤75 years of age at Screening. * Has a history of UC diagnosis prior to screening; confirmed by endoscopic and histologic evidence in the subject chart. If the historical evidence is not available, then endoscopic and histologic evidence can be confirmed during the ...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05466890primaryCompletionDate: changed
LOWMay 24, 2026NCT05466890studyFirstPostDate: changed