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NX-1607

Phase 1

Ovarian Cancer, Epithelial | Small molecule | Oncology |Nurix Therapeutics, Inc.|Last Updated: Sep 9, 2025

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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment345
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05107674A Study of NX-1607 in Adults With Advanced MalignanciesPHASE1 RECRUITING 345Sep 29, 2021Feb 28, 2028Sep 9, 202517 United States, United Kingdom
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Study Endpoints
Primary Endpoints
Incidence of treatment-emergent adverse events (TEAEs), including Grade ≥ 3 TEAEs, treatment-emergent serious adverse events (SAEs), TEAEs leading to study drug discontinuation, and deaths due to TEAEs
16 months

Phase 1a

Incidence of immune-related AEs (irAEs), all deaths, and dose-limiting toxicities (DLTs)
Up to 2 Years

Phase 1a

Objective Response Rate (ORR) per disease-specific response criteria as assessed by the Investigator
Up to 3 Years

Phase 1b

Secondary Endpoints
PK parameters of NX-1607: area under the curve (AUC)
Up to 3 Years
PK parameters of NX-1607: apparent clearance (CL/F)
Up to 3 Years
PK parameters of NX-1607: maximum plasma concentration (Cmax)
Up to 3 Years
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1a Dose Escalation of NX-1607 (monotherapy)EXPERIMENTALMultiple dose levels and dosing regimen of NX-1607 to be evaluated; determination of MTD/Phase 1b recommended dose.
Phase 1a Food EffectEXPERIMENTALImpact of food on NX-1607 bioavailability and tolerability to be evaluated
Phase 1b Dose Expansion in platinum-resistant EOCEXPERIMENTALPatients with platinum-resistant EOC, including primary peritoneal and fallopian tube carcinoma
Phase 1b Dose Expansion in advanced gastric/GEJ cancerEXPERIMENTALPatients with recurrent, locally advanced, or metastatic gastric or GEJ adenocarcinoma
Phase 1b Dose Expansion in HNSCCEXPERIMENTALPatients with recurrent, locally advanced, or metastatic HNSCC
Phase 1b Dose Expansion in recurrent melanomaEXPERIMENTALPatients with recurrent and either metastatic or unresectable Melanoma
Phase 1b Dose Expansion in advanced NSCLCEXPERIMENTALPatients with Stage IV NSCLC
Phase 1b Dose Expansion in mCRPCEXPERIMENTALPatients with mCRPC who received a minimum of 2 prior lines of therapy in the advanced setting including androgen receptor-directed therapy and a taxane-based chemotherapy and has PSA or radiographic progression
Phase 1b Dose Expansion in mixed solid tumor cohortEXPERIMENTALCohort of mixed solid tumor indications consisting of patients with MPM, TNBC, locally advanced or metastatic urothelial cancer, cervical cancer, or DLBCL/DLBCL-RT
Phase 1a Dose Escalation of NX-1607 in combination with PaclitaxelEXPERIMENTALIndications may include but are not limited to, platinum resistant EOC, gastric/GEJ cancer. HSNCC, NSCLC, TNBC, locally advanced or metastatic urothelial cancer and cervical cancer.
Phase 1b Dose Expansion of NX-1607 in combination with PaclitaxelEXPERIMENTALIndications may include but are not limited to, platinum resistant EOC, gastric/GEJ cancer, HSNCC, NSCLC, TNBC, and locally advanced or metastatic urothelial cancer and cervical cancer
Phase 1b Dose Expansion in MSS CRCEXPERIMENTALPatients with histologically confirmed MSS CRC, known KRAS WT, and must have been previously treated with \> = 2 lines of systemic therapy including a fluoropyrimidine, irinotecan, and/or oxaliplatin (and EGFR inhibitor if known Ras wild type)
Interventions
NameTypeDescription
NX-1607DRUGOral NX-1607
PaclitaxelDRUGPaclitaxel IV
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites17

Key Inclusion Criteria: * Age ≥ 18 years. * Measurable disease per disease-specific response criteria. * Patients must have disease that is metastatic or unresectable and have received standard treatment options, are not candidates for standard treatment options, or will otherwise be prevented from...

Countries:United StatesUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05107674primaryCompletionDate: changed
LOWMay 24, 2026NCT05107674studyFirstPostDate: changed