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Investigator's choice of Chemotherapy

Phase 3

Ovarian Cancer | Small molecule | Oncology |Zentalis Pharmaceuticals, Inc.|Last Updated: May 19, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment420
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07546500A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein ExpressionPHASE3 RECRUITING 420Apr 17, 2026Apr 30, 2030May 19, 202658 United States, Australia +10
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Study Endpoints
Primary Endpoints
Progression free survival (PFS) per RECIST v1.1 as assessed by Investigator
Up to approximately 24 months from the enrollment of the last subject

Time from randomization to the first documented tumor progression (per RECIST v1.1) or death from any cause, whichever occurs first.

Secondary Endpoints
Overall survival
Up to approximately 24 months from the enrollment of the last subject
PFS per RECIST 1.1 as assessed by blinded independent central review (ICR)
Up to approximately 24 months from the enrollment of the last subject
Objective Response Rate (ORR) per RECIST v1.1 and assessed by Investigator
Up to approximately 24 months from the enrollment of the last subject
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A Azenosertib 400 mg administered daily on a 5 days on, 2 days off intermittent scheduleEXPERIMENTAL -
Experimental: Arm C Investigator's choice of chemotherapy at the dose defined by the protocolACTIVE_COMPARATOR -
Interventions
NameTypeDescription
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: * Paclitaxel * Gemcitabine * Pegylated liposomal doxorubicin (PLD) * Topotecan The selected chemotherapy will be administered intravenously
AzenosertibDRUGAzenosertib 400 mg will be administered orally.
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Eligibility Criteria
Age Range18 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites58

Inclusion Criteria: 1. Female age ≥ 18 years 2. High-grade serous epithelial ovarian, primary peritoneal, or fallopian tube cancer 3. Measurable disease per RECIST Version 1.1 4. Eastern Cooperative Oncology Group (ECOG) performance status score 0-1 5. The subject's tumor tissue must be positive fo...

Countries:United StatesAustraliaBelgiumCanadaFranceGermanyIrelandItalyPolandSouth KoreaSpainTaiwan
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Competitive Landscape -Ovarian Cancer 180 trials
CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK5PHASE3Pembrolizumab, Paclitaxel, Bevacizumab, Docetaxel, Sacituzumab tirumotecan
AstraZeneca PLCAZN19PHASE3Olaparib, Bevacizumab, Durvalumab, Carboplatin+Paclitaxel, AZD5335
Eli Lilly and CompanyLLY8PHASE3Sofetabart Mipitecan, Paclitaxel, Topotecan, Gemcitabine, Pegylated liposomal doxorubicin
AbbVie, Inc.ABBV13PHASE3Mirvetuximab soravtansine plus Bevacizumab, Bevacizumab, Mirvetuximab soravtansine, Carboplatin, Mirvetuximab Soravtansine
GSK plc Sponsored ADRGSK4PHASE3Niraparib, Dostarlimab, Mocertatug rezetecan, Paclitaxel, Pegylated liposomal doxorubicin
Bristol-Myers Squibb CompanyBMY4PHASE3Rucaparib, Nivolumab, BMS-986340, BMS-936558-01, Docetaxel
Pfizer Inc.PFE5PHASE3Avelumab, Lorlatanib, Talazoparib, Pemetrexed, Axitinib
Genmab A/S Sponsored ADRGMAB5PHASE3Rina-S, Paclitaxel, Topotecan, Pegylated liposomal doxorubicin, Gemcitabine
Corcept Therapeutics Incorporated.CORT2PHASE3Nab-paclitaxel /m^2, Relacorilant once daily, Bevacizumab /kg
Verastem, Inc.VSTM4PHASE3avutometinib, Defactinib, Pegylated liposomal doxorubicin, Paclitaxel, Letrozole
Imunon, Inc.IMNN3PHASE3IMNN-001, Paclitaxel, Carboplatin, Olaparib, Niraparib
Zentalis Pharmaceuticals, Inc.ZNTL3PHASE3Azenosertib, azenosertib, Carboplatin, Pegylated liposomal doxorubicin, Paclitaxel
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, KFA115, pembrolizumab, Tulmimetostat
BeOne Medicines Ltd. Sponsored ADRONC2PHASE3Pamiparib, BG-68501, Fulvestrant, BGB-43395
IQVIA Holdings IncIQV1PHASE3Oregovomab, Paclitaxel, Carboplatin
Exelixis, Inc.EXEL2PHASE2Cabozantinib, cabozantinib, atezolizumab
Xencor, Inc.XNCR3PHASE2vudalimab, XmAb541, XmAb808
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07546500Status: NOT_YET_RECRUITING → RECRUITING
LOWMay 24, 2026NCT07546500studyFirstPostDate: changed
LOWMay 21, 2026NCT07546500NEW_TRIAL: changed
LOWMay 21, 2026NCT07546500NEW_TRIAL: changed