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INCB123667

Phase 3

Ovarian Cancer | Small molecule | Oncology |Incyte Corporation|Trials Updated: Oct 15, 2026

INCB123667 development status

Highest phase Phase 3
Registered trials 7 across 1 sponsor since Apr 2025

INCB123667 target and mechanism

Molecular targetCDK2
Target classProtein
ModalitySmall molecule

Also known as INCB0123667

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMCBiomarker
Total Trials6
Total Enrollment1,539

FDA Designations

No designations recorded

INCB123667 clinical trials

INCB123667 · 6 trials · 5 indications

Phase 3 2Phase 2 1Phase 1 3
NCT07797283Phase 3 Study of INCB123667 Plus Bevacizumab Versus Bevacizumab Alone as First-Line Maintenance Therapy in Ovarian Cancer Overexpressing Cyclin E1Ovarian Cancer
NOT YET_RECRUITING590 Analytics
NCT07214779Study to Evaluate INCB123667 Versus Investigator's Choice of Chemotherapy in Participants With Platinum-Resistant Ovarian Cancer With Cyclin E1 OverexpressionOvarian Cancer
RECRUITING466 Analytics
PHASE3NOT YET_RECRUITING
Phase 3 Study of INCB123667 Plus Bevacizumab Versus Bevacizumab Alone as First-Line Maintenance Therapy in Ovarian Cancer Overexpressing Cyclin E1
Ovarian CancerUnlock trial analytics
PHASE3RECRUITING
Study to Evaluate INCB123667 Versus Investigator's Choice of Chemotherapy in Participants With Platinum-Resistant Ovarian Cancer With Cyclin E1 Overexpression
Ovarian CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Progression-Free Survival (PFS) by BICR
Up to approximately 5 years

Defined as the time from randomization until the first documented disease progression or disease recurrence as determined by blinded independent central review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1, or death due to any cause, whichever occurs first.

Overall Survival (OS)
Up to 2 years

Defined as the time from the date of randomization until death due to any cause.

Objective Response by IRC
Up to 2 years

Defined as having a confirmed best overall response of complete response (CR) or partial response (PR), as determined by independent review committee (IRC) assessment per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.

PK for plasma INCB123667: Cmax
Up to approximately 3 months

Defined as the maximum plasma concentration.

PK for plasma INCB123667: AUCt
Up to approximately 3 months

Defined as area under the concentration-time curve from time zero to time of last quantifiable concentration.

PK for plasma INCB123667: AUC∞
Up to approximately 3 months

Defined as area under the single-dose concentration-time curve extrapolated to time of infinity.

Part 1A : Occurrence of Dose Limiting Toxicities (DLTs)
Up to Day 28

Toxicities occurring during the first treatment cycle, Part 1a, will define tolerability. DLTs will be assessed for severity by the investigator using CTCAE v5.0 criteria.

Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Up to 12 months

TEAE is any Adverse Event (AE) either reported for the first time or worsening of a pre-existing event after first dose of study drug.

Number of Participants with Dose Interruptions due to TEAE
Up to 12 months

Participants will receive dose reductions of INCB123667 according to lab guidelines. Treatment may be delayed for up to 2 weeks to allow for resolution of toxicity.

Number of Participants who Undergo Dose Reductions due to TEAE
Up to 12 months

Participants will receive dose reductions according to lab guidelines. Treatment may be delayed for up to 2 weeks to allow for resolution of toxicity.

Number of Participants Discontinue study due to TEAE
Up to 12 months

TEAE is defined as any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment.

Secondary Endpoints

Overall Survival (OS)
Up to approximately 7 years
Progression-Free Survival (PFS) by investigator
Up to approximately 5 years
Progression-Free Survival on the First Subsequent Therapy (PFS2)
Up to approximately 7 years
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Treatment Group A (TGA)EXPERIMENTALBevacizumab plus INCB123667 at the protocol defined dose.
Treatment Group B (TGB)EXPERIMENTALBevacizumab plus matching placebo at the protocol defined dose.
Cohort 1EXPERIMENTALINCB123667 will be administered at the protocol defined dose based on their tumor cyclin E1 expression levels as defined in the protocol.
Cohort 2EXPERIMENTALINCB123667 will be administered at the protocol defined dose based on their tumor cyclin E1 expression levels as defined in the protocol.
Cohort 3EXPERIMENTALINCB123667 will be administered at the protocol defined dose based on their tumor cyclin E1 expression levels as defined in the protocol.
Group 1: Severe Renal ImpairmentEXPERIMENTALParticipants with severe renal impairment will be enrolled in Group 1.
Group 2: End Stage Renal DiseaseEXPERIMENTALParticipants with end stage renal disease will be enrolled in Group 2.
Cohort 1: Moderate hepatic functionEXPERIMENTALParticipants with moderate hepatic impairment will be enrolled in Cohort 1.
Cohort 2: Severe hepatic functionEXPERIMENTALParticipants with severe hepatic impairment will be enrolled in Cohort 2.
Phase 1a Dose EscalationEXPERIMENTALINCB123667 will be administered at a protocol defined starting regimen once daily (QD) orally in 28-day cycles. Subsequent dose regimens will be determined during study conduct.
Phase 1b: Dose Expansion Cohort Disease Group 1EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors. Participants with gynecologic tumors (epithelial ovarian/fallopian/primary peritoneal carcinoma) will enroll in this group.
Phase 1b: Dose Expansion Cohort Disease Group 2EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors. Participants with Endometrial/Uterine cancer will enroll in this group.
Phase 1b: Dose Expansion Cohort Disease Group 3EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors. Participants with gastric, Gastro Esophageal Junction (GEJ), and esophageal adenocarcinomas will enroll in this group.
Phase 1b: Dose Expansion Cohort Disease Group 4EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors. Participants with Triple Negative Breast Cancer(TNBC) will enroll in this group.
Phase 1b: Dose Expansion Cohort Disease Group 5EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors. Participants with HR+/HER2- breast cancer who have had disease progression on or been intolerant of a CDK4/6 inhibitor will enroll in this group.
Phase 1b: Dose Expansion Cohort Disease Group 6EXPERIMENTALINCB123667 will be administered at the recommended dose or doses for expansion (RDE\[s\]) for advanced or metastatic solid tumors will enroll in this group.
Phase 2a Dose Escalation Treatment Group A (TGA)EXPERIMENTALINCB123667 administered in combination with palbociclib at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2a Dose Escalation Treatment Group B (TGB)EXPERIMENTALINCB123667 administered in combination with palbociclib and fulvestrant at the recommended doses in participants with HR+/HER2- breast cancer as defined in the protocol.
Phase 2a Dose Escalation Treatment Group C (TGC)EXPERIMENTALINCB123667 administered in combination with ribociclib at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2a Dose Escalation Treatment Group D (TGD)EXPERIMENTALINCB123667 administered in combination with ribociclib and fulvestrant at the recommended doses in participants with HR+/HER2- breast cancer as defined in the protocol.
Phase 2a Dose Escalation Treatment Group E (TGE)EXPERIMENTALINCB123667 administered in combination with bevacizumab at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2a Dose Escalation Treatment Group F (TGF)EXPERIMENTALINCB123667 administered in combination with olaparib at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2a Dose Escalation Treatment Group G (TGG)EXPERIMENTALINCB123667 administered in combination with paclitaxel at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2b Dose Expansion Treatment Group H (TGH)EXPERIMENTALINCB123667 administered in combination with palbociclib at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2b Dose Expansion Treatment Group I (TGI)EXPERIMENTALINCB123667 administered in combination with palbociclib and fulvestrant at the recommended doses in participants with HR+/HER2- breast cancer as defined in the protocol
Phase 2b Dose Expansion Treatment Group J (TGJ)EXPERIMENTALINCB123667 administered in combination with ribociclib at the recommended doses in participants with HR+/HER2- breast cancer and in participants with a different tumor as defined in the protocol.
Phase 2b Dose Expansion Treatment Group K (TGK)EXPERIMENTALINCB123667 administered in combination with ribociclib and fulvestrant at the recommended doses in participants with HR+/HER2- breast cancer as defined in the protocol.
Phase 2b Dose Expansion Treatment Group L (TGL)EXPERIMENTALINCB123667 administered in combination with bevacizumab at the recommended doses in participants with gynecologic tumors (epithelial ovarian/fallopian/primary peritoneal carcinoma) as defined by the protocol.
Phase 2b Dose Expansion Treatment Group M (TGM)EXPERIMENTALINCB123667 administered in combination with olaparib at the recommended doses in participants with gynecologic tumors (epithelial ovarian/fallopian/primary peritoneal carcinoma) as defined by the protocol.
Phase 2b Dose Expansion Treatment Group N (TGN)EXPERIMENTALINCB123667 administered in combination with weekly paclitaxel at the recommended doses in participants with gynecologic tumors (epithelial ovarian/fallopian/primary peritoneal carcinoma) as defined by the protocol.

Interventions

NameTypeDescription
INCB123667DRUGINCB123667 will be administered at the protocol defined dose.
BevacizumabDRUGBevacizumab will be administered at the protocol defined dose.
PlaceboDRUGPlacebo will be administered at the protocol defined dose.
Investigator's choice of chemotherapyDRUGThe investigator will select the chemotherapy in accordance with the protocol-defined requirements. The possible choices as defined by the protocol:
INCB0123667DRUG25 mg tablets
PalbociclibDRUGPalbociclib will be administered at protocol defined dose.
OlaparibDRUGOlaparib will be administered at protocol defined dose.
PaclitaxelDRUGPaclitaxel will be administered at protocol defined dose.
RibociclibDRUGRibociclib will be administered at protocol defined dose.
FulvestrantDRUGFulvestrant will be administered at protocol defined dose.
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Eligibility Criteria

Age Range18 Years to N/A
SexFEMALE
Healthy VolunteersNo

Inclusion Criteria: * Newly diagnosed, histologically confirmed, FIGO Stage III or IV, high-grade serous, high-grade endometrioid, or clear cell ovarian, fallopian tube, or primary peritoneal cancer. * Underwent debulking surgery prior to randomization (either PDS or IDS). * Completed first-line pl...

Countries:United StatesAustraliaBelgiumCanadaFranceGermanyIrelandItalyJapanNetherlandsPolandPuerto RicoSouth KoreaSpainSwitzerlandUnited Kingdom
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Competitive Landscape -Ovarian Cancer 244 trials

Top 20 of 60 competitors

CompanyTickerTrialsLead PhaseDrugs
GSK plc Sponsored ADRGSK7PHASE3Niraparib, Dostarlimab, Mocertatug rezetecan
AstraZeneca PLCAZN21PHASE3Olaparib, Durvalumab, AZD5335, Torvutatug samrotecan, Datopotamab deruxtecan
Merck & Co., Inc.MRK16PHASE3Pembrolizumab, Sacituzumab tirumotecan, Raludotatug Deruxtecan, Patritumab Deruxtecan, MK-6255
Eli Lilly and CompanyLLY8PHASE3Sofetabart Mipitecan, Gemcitabine, Abemaciclib, LY4101174, LY3537982
AbbVie, Inc.ABBV14PHASE3Mirvetuximab soravtansine, Brimonidine eye, IMGN151, ABBV-400, ABBV-901
Bristol-Myers Squibb CompanyBMY4PHASE3Nivolumab, BMS-986340, Pumitamig, BMS-986463, BMS-986500
Genmab A/S Sponsored ADRGMAB7PHASE3Rina-S, GEN1047 is a bispecific antibody that induces T-cell mediated cytotoxicity of B7H4-positive tumor cells
Pfizer Inc.PFE4PHASE3Avelumab, Lorlatinib, Talazoparib, Axitinib, Utomilumab
Corcept Therapeutics Incorporated.CORT2PHASE3Relacorilant
Verastem, Inc.VSTM5PHASE3Avutometinib, Defactinib
Incyte CorporationINCY3PHASE3INCB123667
Zentalis Pharmaceuticals, Inc.ZNTL3PHASE3Azenosertib
Imunon, Inc.IMNN3PHASE3IMNN-001
Regeneron Pharmaceuticals, Inc.REGN5PHASE2Ubamatamab, Cemiplimab, Fianlimab, REGN10597, REGN5668
Novartis AG Sponsored ADRNVS5PHASE2Spartalizumab, Dabrafenib, trametinib, KFA115, Tulmimetostat
Genelux Corp.GNLX1PHASE3Olvimulogene nanivacirepvec
BeOne Medicines Ltd. Sponsored ADRONC3PHASE3Pamiparib, BG-C9074, BG-68501, BGB-43395
Xencor, Inc.XNCR3PHASE2vudalimab, XmAb541, XmAb808
Exelixis, Inc.EXEL2PHASE2Cabozantinib
Jazz Pharmaceuticals Public Limited CompanyJAZZ1PHASE2Zanidatamab
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Recent Changes (Last 90 Days)

LOWOct 15, 2026NCT07214779lastUpdatePostDate: changed
LOWOct 15, 2026NCT07214779lastUpdatePostDate: changed
LOWOct 9, 2026NCT07214779lastUpdatePostDate: changed
LOWOct 9, 2026NCT07214779lastUpdatePostDate: changed
LOWOct 2, 2026NCT07797283lastUpdatePostDate: changed
LOWOct 2, 2026NCT07797283lastUpdatePostDate: changed
LOWSep 16, 2026NCT07214779lastUpdatePostDate: changed
LOWSep 16, 2026NCT07023627lastUpdatePostDate: changed
LOWSep 16, 2026NCT07214779lastUpdatePostDate: changed
LOWSep 16, 2026NCT07023627lastUpdatePostDate: changed
LOWSep 16, 2026NCT07023627lastUpdatePostDate: changed
LOWSep 16, 2026NCT07214779lastUpdatePostDate: changed
LOWSep 16, 2026NCT07023627lastUpdatePostDate: changed
LOWSep 16, 2026NCT07214779lastUpdatePostDate: changed
LOWSep 9, 2026NCT07797283lastUpdatePostDate: changed
LOWSep 9, 2026NCT07797283lastUpdatePostDate: changed
LOWSep 1, 2026NCT07797283NEW_TRIAL: changed
LOWSep 1, 2026NCT07797283NEW_TRIAL: changed
LOWAug 6, 2026NCT07214779lastUpdatePostDate: changed
LOWAug 6, 2026NCT07023627lastUpdatePostDate: changed

Frequently asked questions about INCB123667

What is INCB123667?

INCB123667 is an investigational oral small molecule developed by Incyte Corporation. It is being studied in ovarian cancer and in participants with hepatic or renal impairment. Incyte is running Phase 1 pharmacokinetic studies in organ impairment and Phase 3 studies in ovarian cancer, including platinum-resistant disease and first-line maintenance.

What is INCB123667 used for in ovarian cancer?

INCB123667 is being studied in ovarian cancer, including platinum-resistant ovarian cancer with cyclin E1 overexpression and as first-line maintenance therapy in ovarian cancer overexpressing cyclin E1. It is investigational and has not been approved for any indication. The ovarian cancer programs include two Phase 3 trials.

What does INCB123667 target?

INCB123667 targets CDK2, a protein involved in cell cycle regulation. CDK2 is a cyclin-dependent kinase, and the clinical program selects for cyclin E1 overexpression, which is a partner of CDK2. Incyte is evaluating the CDK2 inhibitor both as monotherapy versus chemotherapy and in combination with bevacizumab.

Who makes INCB123667?

Incyte Corporation, which trades on Nasdaq under the ticker INCY, is developing INCB123667. Incyte is the sponsor of the Phase 1 organ impairment studies and the Phase 3 ovarian cancer studies of the CDK2 inhibitor.

What phase is INCB123667 in?

INCB123667 is in Phase 1 and Phase 3 clinical development. The Phase 1 studies evaluate pharmacokinetics in hepatic and renal impairment, while two Phase 3 studies evaluate it in ovarian cancer. INCB123667 is investigational and is not FDA approved.

What clinical trials is INCB123667 in?

INCB123667 is being evaluated in NCT07797283, a Phase 3 first-line maintenance study in ovarian cancer with bevacizumab; NCT07214779, a Phase 3 study versus investigator's choice chemotherapy in platinum-resistant ovarian cancer; NCT07559474, a Phase 1 hepatic impairment study; and NCT07559396, a Phase 1 renal impairment study.

Is INCB123667 the same as INCB0123667?

Yes, INCB0123667 is an alternative name for INCB123667, the CDK2-targeted small molecule developed by Incyte Corporation. Both names refer to the same investigational compound being studied in ovarian cancer and in hepatic and renal impairment.