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Soquelitinib

Phase 3

Peripheral T-Cell Lymphoma, Not Otherwise Specified | Small molecule | Oncology |Corvus Pharmaceuticals, Inc.|Trials Updated: Oct 15, 2026

Soquelitinib development status

Highest phase Phase 3
Registered trials 6 across 2 sponsors since May 2019

Soquelitinib target and mechanism

Molecular targetITK
Target class-Tinib (Kinase)
ModalitySmall molecule

Also known as CPI-818

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDDMC
Total Trials5
Total Enrollment608

FDA Designations

ORPHAN_DRUGFAST_TRACK

Soquelitinib clinical trials

Soquelitinib · 5 trials · 13 indications

Phase 3 1Phase 2 1Phase 1 3
NCT06561048Soquelitinib vs Standard of Care in Participants With Relapsed/Refractory Peripheral T-cell Lymphoma Not Otherwise Specified, Follicular Helper T-cell Lymphomas, or Systemic Anaplastic Large-cell LymphomaPeripheral T-Cell Lymphoma, Not Otherwise Specified
RECRUITING150 Analytics
PHASE3RECRUITING
Soquelitinib vs Standard of Care in Participants With Relapsed/Refractory Peripheral T-cell Lymphoma Not Otherwise Specified, Follicular Helper T-cell Lymphomas, or Systemic Anaplastic Large-cell Lymphoma
Peripheral T-Cell Lymphoma, Not Otherwise SpecifiedUnlock trial analytics

Study Endpoints

Primary Endpoints

Progression-free survival
Up to 4 years post study treatment initiation

Time from first study treatment to first occurrence of progression (as assessed by the Independent Review Committee) or death, whichever occurs first

Percent change from baseline in Eczema Area and Severity Index (EASI) score at Week 12
Baseline through Week 12

EASI is used to measure the severity and extent of atopic dermatitis (AD) and measures erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head and neck, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD.

Incidence of adverse events, changes in laboratory values, vital signs, and ECGs
up to 30 days after last intervention administration

Incidence, nature, and severity of treatment-emergent adverse events of soquelitinib, including changes in laboratory values, vital signs, and ECGs

Incidence of adverse events, changes in laboratory values, vital signs, and electrocardiograms
Up to 30 days after last intervention administration

Incidence, nature, and severity of treatment-emergent adverse events of soquelitinib compared with placebo, including changes in laboratory values, vital signs, and electrocardiograms (ECGs)

Incidence, nature, and severity of adverse events following treatment with CPI 818 to establish the safety and tolerability with increasing dose
First dose until 30 days after treatment stop
Incidence and nature of dose limiting toxicities (DLTs) of CPI 818 to establish either the maximum tolerated dose (MTD) or the maximum administered dose (MAD) of CPI 818
Up to approximately 21 days after first dose

Secondary Endpoints

Objective response rate
Up to 2 years post study treatment initiation
Overall survival
Up to 4 years post study treatment initiation
Response of achieving 75% reduction in EASI (EASI75) score at Week 12
Baseline through Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SoquelitinibEXPERIMENTALParticipants will administer soquelitinib 200 mg orally twice daily for up to 2 years
Standard of CareACTIVE_COMPARATORParticipants will receive physician's choice standard of care treatment of either pralatrexate or belinostat for up to 2 years
Cohort 1 - Soquelitinib 200 mg once dailyEXPERIMENTALParticipants will take the appropriate combination of soquelitinib and placebo tablets orally in the morning and evening daily for 12 weeks to ensure the proper dose and maintain blinding.
Cohort 2 - Soquelitinib 200 mg twice dailyEXPERIMENTALParticipants will take the appropriate combination of soquelitinib and placebo tablets orally in the morning and evening daily for 12 weeks to ensure the proper dose and maintain blinding.
Cohort 3 - Soquelitinib 400 mg once dailyEXPERIMENTALParticipants will take the appropriate combination of soquelitinib and placebo tablets orally in the morning and evening daily for 12 weeks to ensure the proper dose and maintain blinding.
PlaceboPLACEBO_COMPARATORPlacebo tablets will be taken orally twice daily for 12 weeks.
Single-ArmOTHERParticipants receive open-label single arm of active tablets orally twice daily for 84 days.
Soquelitinib Dose Escalation and Dose ExpansionEXPERIMENTALIn Dose Escalation, participants will receive soquelitinib tablets orally at one of three dose levels (100 mg twice daily, 200 mg once daily, 200 mg twice daily) for 28 days. In Dose Expansion, participants will receive soquelitinib tablets orally at a dose selected from the dose escalation part of the study, for 56 days
CPI-818 Dose EscalationEXPERIMENTALParticipants will receive CPI-818 capsule, orally, twice per day at an assigned dose, till disease progression, complete response or remission (CR) for \>2 months or if dose determined to be unsafe.
CPI-818 Dose Expansion phaseEXPERIMENTALParticipants with different T-cell lymphoma sub-types will receive CPI-818 capsules at the specific dose selected from the Dose escalation phase of the study. CPI-818 capsules at the selected dose will be taken orally, twice per day until disease progression or CR for \> 2 months.

Interventions

NameTypeDescription
SoquelitinibDRUGSoquelitinib 200 mg tablets will be taken by mouth two times a day
BelinostatDRUGBelinostat (1000 mg/m2) will be administered by intravenous infusion once daily on Days 1 through 5 of each 21-day cycle
PralatrexateDRUGPralatrexate (30 mg/m2) will be administered intravenously over 3 to 5 minutes once weekly for 6 weeks in each 7-week cycle
PlaceboDRUGSoquelitinib matching placebo tablets
CPI-818DRUGInterleukin-2 inducible T-cell Kinase Inhibitor
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites37

Inclusion Criteria: 1. Adult participants ≥18 years of age on the day of signing the informed consent form. 2. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 to 2. 3. Histologically confirmed PTCL-NOS, FHTCLs or sALCL per The International Consensus Classification of Mature Lymph...

Countries:United StatesAustraliaCanadaChinaSouth Korea
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Recent Changes (Last 90 Days)

LOWOct 15, 2026NCT07828860lastUpdatePostDate: changed
LOWOct 15, 2026NCT07828860lastUpdatePostDate: changed
LOWOct 13, 2026NCT07828860lastUpdatePostDate: changed
LOWOct 13, 2026NCT07828860lastUpdatePostDate: changed
LOWSep 25, 2026NCT06561048lastUpdatePostDate: changed
LOWSep 25, 2026NCT06561048lastUpdatePostDate: changed
LOWSep 22, 2026NCT07828860Status: NOT_YET_RECRUITING → RECRUITING
LOWSep 22, 2026NCT07828860Status: NOT_YET_RECRUITING → RECRUITING
LOWSep 19, 2026NCT07828860NEW_TRIAL: changed
LOWSep 19, 2026NCT07828860NEW_TRIAL: changed
LOWSep 19, 2026NCT07828860NEW_TRIAL: changed

Frequently asked questions about Soquelitinib

What is soquelitinib?

Soquelitinib is an investigational small molecule drug developed by Corvus Pharmaceuticals, Inc. (ticker CRVS). It is being studied in atopic dermatitis, hidradenitis suppurativa, and T-cell lymphomas, including peripheral T-cell lymphoma not otherwise specified. It is also known as CPI-818.

What is soquelitinib used for?

Soquelitinib is being studied for atopic dermatitis, hidradenitis suppurativa, and T-cell lymphomas such as peripheral T-cell lymphoma not otherwise specified. It is an investigational therapy and is not approved for any indication. Clinical development spans dermatology and oncology settings.

What does soquelitinib target?

Soquelitinib targets ITK, an interleukin-2 inducible T-cell kinase. It belongs to the -tinib kinase inhibitor class. By inhibiting ITK, the drug is designed to modulate T-cell signaling, which is relevant to both inflammatory skin conditions and T-cell lymphomas.

Who makes soquelitinib?

Soquelitinib is developed by Corvus Pharmaceuticals, Inc., which trades under the ticker CRVS. The company is also the sponsor of the clinical trials evaluating the drug in atopic dermatitis, hidradenitis suppurativa, and T-cell lymphoma.

What phase is soquelitinib in?

Soquelitinib is in Phase 2 development overall, with a Phase 3 trial also recruiting in relapsed or refractory peripheral T-cell lymphoma. It is investigational and has not been approved by the FDA. Trials include Phase 1 and Phase 2 studies in atopic dermatitis and a Phase 1 study in hidradenitis suppurativa.

What clinical trials is soquelitinib in?

Soquelitinib trials include NCT07441395, a Phase 2 study in moderate to severe atopic dermatitis, and NCT07828860, a Phase 1 study in hidradenitis suppurativa, both recruiting. NCT06561048 is a Phase 3 trial in relapsed or refractory peripheral T-cell lymphoma. NCT06345404, a Phase 1 atopic dermatitis study, is completed.

Is soquelitinib the same as CPI-818?

Yes, soquelitinib is also known as CPI-818. Both names refer to the same investigational small molecule developed by Corvus Pharmaceuticals, Inc. (CRVS). Searches for CPI-818 and soquelitinib refer to the same ITK inhibitor being studied in dermatology and T-cell lymphoma.