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ORKA-002

Phase 2

Plaque Psoriasis | Small molecule | Immunology |Oruka Therapeutics, Inc.|Last Updated: May 27, 2026

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 Enrollment160
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07474792Dose Ranging Study of ORKA-002 in Patients With Moderate-to-Severe Plaque PsoriasisPHASE2 RECRUITING 160Mar 19, 2026Apr 1, 2029May 27, 202631 United States, Canada
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Study Endpoints
Primary Endpoints
Proportion of Participants Achieving 100% Reduction in PASI Score at Week 16
Week 16

The Psoriasis Area and Severity Index Score (PASI) is an evaluation tool that combines the assessment of the severity and the area affected by psoriasis into a single score ranging from 0 (no disease) to 72 (maximum disease).

Incidence of Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse events (TEAEs) and TEAEs of of Special Interest (TEAESIs)
Day 1 through Week 48

Incidence of treatment-emergent adverse events (TEAEs), treatment-emergent serious adverse events (TEAEs), and treatment-emergent adverse events of special interest (TEASIs), and clinically significant changes from baseline in vital signs, clinical laboratory parameters and electrocardiograms

Secondary Endpoints
Proportion of Participants Who Achieve an IGA = 0 (Clear) at Week 16
Week 16
Proportion of Participants Achieving 90% Reduction in PASI Score at Week 16
Week 16
Proportion of Participants Who Achieve an IGA=0 (Clear) or 1 (Almost Clear) at Week 16
Week 16
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
(Induction Period - Arm 1) ORKA-002EXPERIMENTALParticipants will receive ORKA-002 per protocol Induction regimen.
(Induction Period - Arm 2) ORKA-002EXPERIMENTALParticipants will receive ORKA-002 per protocol Induction regimen.
(Induction Period - Arm 3) ORKA-002EXPERIMENTALParticipants will receive ORKA-002 per protocol Induction regimen.
(Induction Period - Arm 4) PlaceboPLACEBO_COMPARATORParticipants will receive Placebo per protocol Induction regimen.
Interventions
NameTypeDescription
ORKA-002DRUGORKA-002 administered by subcutaneous (SC) injection
PlaceboOTHERPlacebo administered by subcutaneous (SC) injection
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Eligibility Criteria
Age Range18 Years — 79 Years
SexALL
Healthy VolunteersNo
Study Sites31

Inclusion Criteria: 1. Participants ≥ 18 and \< 80 years of age at the time of consent 2. Have a diagnosis of plaque psoriasis for \> 6 months 3. Have moderate-to-severe chronic plaque psoriasis defined as: 1. BSA ≥ 10%, and 2. PASI ≥ 12, and 3. IGA score of ≥ 3 on a 5-point scale 4. Cand...

Countries:United StatesCanada
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Recent Changes (Last 90 Days)
LOWMay 28, 2026NCT07474792lastUpdatePostDate: changed
LOWMay 28, 2026NCT07474792lastUpdatePostDate: changed
LOWMay 26, 2026NCT07474792Status: NOT_YET_RECRUITING → RECRUITING
LOWMay 24, 2026NCT07474792studyFirstPostDate: changed