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ORKA-002

Phase 2

Plaque Psoriasis | Small molecule | Dermatology |Oruka Therapeutics, Inc.|Last Updated: Aug 10, 2026

Target and mechanism

Molecular targetIL-17A/F
Target classAntibody
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment160

FDA Designations

No designations recorded

Clinical trial landscape

ORKA-002 · 2 trials · 2 indications

Phase 2 1Phase 1 1
NCT07474792Dose Ranging Study of ORKA-002 in Patients With Moderate-to-Severe Plaque PsoriasisPlaque Psoriasis
RECRUITING160 Analytics
PHASE2RECRUITING
Dose Ranging Study of ORKA-002 in Patients With Moderate-to-Severe Plaque Psoriasis
Plaque PsoriasisUnlock trial analytics

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

Incidence of Treatment-emergent Adverse Events
Day 1 through 1 year

Incidence of treatment-emergent adverse events and clinically significant changes from baseline in vital signs, electrocardiograms, and clinical laboratory parameters

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.
ORKA-002EXPERIMENTALSubcutaneous (SC) injection of ORKA-002
PlaceboPLACEBO_COMPARATORSubcutaneous (SC) injection of placebo comparator

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 to 79 Years
SexALL
Healthy VolunteersNo
Study Sites39

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 StatesCanadaNew Zealand
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Recent Changes (Last 90 Days)

LOWAug 11, 2026NCT07474792lastUpdatePostDate: changed
LOWAug 11, 2026NCT07474792lastUpdatePostDate: changed
LOWAug 11, 2026NCT07474792lastUpdatePostDate: changed
LOWJul 9, 2026NCT07474792lastUpdatePostDate: changed
LOWJul 9, 2026NCT07474792lastUpdatePostDate: changed
LOWMay 28, 2026NCT07474792lastUpdatePostDate: changed

Frequently asked questions about ORKA-002

What is ORKA-002 used for?

ORKA-002 is an investigational small molecule being developed for moderate-to-severe plaque psoriasis. It is also being studied in healthy volunteers to evaluate safety and tolerability. The drug is currently in Phase 1 and Phase 2 clinical trials.

What does ORKA-002 target?

ORKA-002 targets IL-17A/F, a cytokine involved in inflammatory responses. By modulating this pathway, the drug aims to reduce inflammation associated with plaque psoriasis. It is classified as an antibody-based therapy despite being a small molecule.

Who is developing ORKA-002?

ORKA-002 is being developed by Oruka Therapeutics, Inc., a biopharmaceutical company. The company is conducting clinical trials to evaluate the drug's safety and efficacy in treating plaque psoriasis and in healthy volunteers.

What phase is ORKA-002 in?

ORKA-002 is in Phase 1 and Phase 2 clinical development. A Phase 1 study in healthy volunteers is active but not recruiting, while a Phase 2 dose-ranging study in patients with moderate-to-severe plaque psoriasis is currently recruiting.

What clinical trials is ORKA-002 in?

ORKA-002 is being studied in two trials. NCT06944379 is a Phase 1 single-dose study in healthy volunteers in New Zealand. NCT07474792 is a Phase 2 dose-ranging study in patients with plaque psoriasis in the United States and Canada.

Is ORKA-002 the same as other drugs?

ORKA-002 is a unique investigational drug with no alternative names listed. It is being developed specifically for plaque psoriasis and is not known to be identical to any other approved or investigational therapy.