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ONC-392

Phase 2

Ovarian Cancer | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Apr 13, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment58

FDA Designations

No designations recorded

Clinical trial landscape

ONC-392 · 1 trial · 4 indications

Phase 2 1
NCT05446298ONC-392 and Pembrolizumab in Platinum Resistant Ovarian CancerOvarian Cancer
ACTIVE NOT_RECRUITING58 Analytics
PHASE2ACTIVE NOT_RECRUITING
ONC-392 and Pembrolizumab in Platinum Resistant Ovarian Cancer
Ovarian CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Objective Response Rate (ORR)
24 months

To assess the efficacy of ONC-392 and pembrolizumab combination therapy in objective response rate per RECIST1.1.

Treatment Related Adverse Events (TRAEs) and Immune Related Adverse Events (irAEs)
24 months

To assess the safety of ONC-392 and pembrolizumab combination therapy

Secondary Endpoints

Duration of Response (DoR)
24 months
Disease Control Rate (DCR)
24 months
Best Overall Response (BOR)
24 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
1 mg/kg ONC-392 and 200 mg pembrolizumabEXPERIMENTALArm A: Pembrolizumab 200 mg will be administered by IV infusion over 30 minutes, followed by ONC-392 at 1.0 mg/kg will be administered by IV infusion over 60 minutes, q3w.
2 mg/kg ONC-392 and 200 mg pembrolizumabEXPERIMENTALArm B: Pembrolizumab 200 mg will be administered by IV infusion over 30 minutes, followed by ONC-392 at 2.0 mg/kg will be administered by IV infusion over 60 minutes, q3w.

Interventions

NameTypeDescription
ONC-392DRUGONC-392 will be given by IV infusion, q3w.
PembrolizumabDRUGPembrolizumab in fixed dose of 200 mg will be given by IV infusion, q3w.
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Eligibility Criteria

Age Range18 Years to N/A
SexFEMALE
Healthy VolunteersNo
Study Sites21

Inclusion Criteria: 1. Age ≥ 18 yrs old female patients who provide written informed consent for the study. 2. Patients must have a confirmed diagnosis of high-grade serous ovarian cancer, primary peritoneal cancer, or fallopian tube cancer. 3. Patients must have received prior standard of care of ...

Countries:United States
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Competitive Landscape -Ovarian Cancer 176 trials

Top 20 of 59 competitors

CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK5PHASE3Pembrolizumab, Paclitaxel, Bevacizumab, Docetaxel
AstraZeneca PLCAZN19PHASE3Olaparib
GSK plc Sponsored ADRGSK4PHASE3Niraparib
Eli Lilly and CompanyLLY8PHASE3Sofetabart Mipitecan, Paclitaxel, Topotecan, Gemcitabine, Pegylated liposomal doxorubicin
AbbVie, Inc.ABBV13PHASE3Mirvetuximab soravtansine plus Bevacizumab, Bevacizumab
Bristol-Myers Squibb CompanyBMY4PHASE3Rucaparib, Nivolumab
Genmab A/S Sponsored ADRGMAB5PHASE3Rina-S, Paclitaxel, Topotecan, Pegylated liposomal doxorubicin, Gemcitabine
Pfizer Inc.PFE4PHASE3Avelumab, Lorlatanib, Talazoparib, Pemetrexed, Axitinib
Corcept Therapeutics Incorporated.CORT2PHASE3Nab-paclitaxel/m^2, Relacorilant once daily
Verastem, Inc.VSTM4PHASE3avutometinib, Defactinib, Pegylated liposomal doxorubicin, Paclitaxel, Letrozole
Zentalis Pharmaceuticals, Inc.ZNTL3PHASE3Azenosertib
Imunon, Inc.IMNN3PHASE3IMNN-001, Paclitaxel, Carboplatin, Olaparib, Niraparib
Incyte CorporationINCY2PHASE3INCB123667
Genelux Corp.GNLX1PHASE3olvimulogene nanivacirepvec, Platinum chemotherapy: carboplatin or cisplatin, Non-platinum chemotherapy: Physician's Choice of gemcitabine, taxane or pegylated liposomal doxorubicin, Bevacizumab
Regeneron Pharmaceuticals, Inc.REGN4PHASE2Ubamatamab, Bevacizumab, Cemiplimab, Fianlimab, PLD
Novartis AG Sponsored ADRNVS4PHASE2Dabrafenib, Trametinib
BeOne Medicines Ltd. Sponsored ADRONC2PHASE3Pamiparib
IQVIA Holdings IncIQV1PHASE3Oregovomab, Paclitaxel, Carboplatin
Xencor, Inc.XNCR3PHASE2vudalimab
Exelixis, Inc.EXEL2PHASE2Cabozantinib
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Frequently asked questions about ONC-392

What is ONC-392 used for in ovarian cancer?

ONC-392 is an investigational small molecule being studied for the treatment of ovarian cancer, specifically in patients with platinum-resistant disease. It is being evaluated in combination with pembrolizumab for conditions including high grade serous adenocarcinoma of the ovary, primary peritoneal carcinoma, and fallopian tube cancer.

Who is developing ONC-392?

ONC-392 is being developed by Merck & Company, Inc., which trades under the ticker MRK. The company is conducting clinical research on this investigational oncology drug for ovarian cancer.

What phase is ONC-392 in?

ONC-392 is currently in Phase 2 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The ongoing Phase 2 trial is evaluating its safety and efficacy in patients with platinum-resistant ovarian cancer.

What clinical trials is ONC-392 in?

ONC-392 is being studied in a Phase 2 clinical trial with the identifier NCT05446298. This trial, titled 'ONC-392 and Pembrolizumab in Platinum Resistant Ovarian Cancer,' is active but not recruiting and is being conducted in the United States with an enrollment of 58 female participants aged 18 years and older.

Is ONC-392 being tested in a randomized controlled trial?

Yes, the Phase 2 trial of ONC-392 is randomized and controlled. The trial is not double-blinded, and it uses a controlled design to compare the effects of ONC-392 in combination with pembrolizumab in patients with platinum-resistant ovarian cancer.

Does the ONC-392 trial use a biomarker for patient selection?

Yes, the Phase 2 clinical trial of ONC-392 involves biomarker-selected patient enrollment. This means that the study includes a biomarker-based approach to identify patients who may be more likely to benefit from the treatment being investigated.