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NX-1607

Phase 1

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

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment345

FDA Designations

No designations recorded

Clinical trial landscape

NX-1607 · 1 trial · 14 indications

Phase 1 1
NCT05107674A Study of NX-1607 in Adults With Advanced MalignanciesOvarian Cancer, Epithelial
RECRUITING345 Analytics
PHASE1RECRUITING
A Study of NX-1607 in Adults With Advanced Malignancies
Ovarian Cancer, EpithelialUnlock trial analytics

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 to 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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Frequently asked questions about NX-1607

What is NX-1607 used for in ovarian cancer?

NX-1607 is an investigational small molecule being studied for the treatment of epithelial ovarian cancer. It is currently in Phase 1 clinical development as a monotherapy for adults with advanced malignancies, including epithelial ovarian cancer, among other solid tumors and hematologic malignancies.

What does NX-1607 target?

NX-1607 is a small molecule developed by Nurix Therapeutics. Its molecular target has not been disclosed in the available clinical trial information. The drug is being evaluated in a Phase 1 study for its safety and efficacy in advanced malignancies, including epithelial ovarian cancer.

Who makes NX-1607?

NX-1607 is being developed by Nurix Therapeutics, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol NRIX. The company is conducting a Phase 1 clinical trial of NX-1607 in adults with advanced malignancies.

What phase is NX-1607 in?

NX-1607 is in Phase 1 clinical development. It is an investigational drug, not yet approved by regulatory authorities. The ongoing Phase 1 study is actively recruiting participants to evaluate the drug in adults with advanced malignancies, including epithelial ovarian cancer.

What clinical trials is NX-1607 in?

NX-1607 is being studied in a single Phase 1 clinical trial with the identifier NCT05107674, titled "A Study of NX-1607 in Adults With Advanced Malignancies." This actively recruiting trial has an estimated enrollment of 345 participants and is being conducted in the United States and United Kingdom.

Is NX-1607 the same as any other drug?

No alternative names for NX-1607 have been disclosed in the available clinical trial information. The drug is identified solely as NX-1607 in the ongoing Phase 1 study for advanced malignancies, including epithelial ovarian cancer.