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Study identifier: NCT05694715 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Combination Therapy in Cancers With Mutations in DNA Repair Genes

Condition: Metastatic Solid Tumor · BRCA1 Mutation · BRCA2 Mutation  ·  Sponsor: University of California, San Francisco

PhasePhase 1
Planned participants24
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this phase 1 clinical trials is to determine whether niraparib (a Poly (ADP-ribose) polymerase inhibitor (PARPi)) can be safely combined with irinotecan with manageable toxicity and reasonable efficacy. Emerging evidence suggest that PARPi is an effective therapeutic strategy in a wider subset of solid tumors that may have defective homologous recombination (HR) or DNA repair gene mutations. BReast CAncer gene (BRCA), partner and localizer of BRCA2 (PALB2), and various other DNA repair germline mutations predispose carriers to cancers of the breast, ovaries, pancreas, prostate and melanoma. A number of preclinical studies have demonstrated that PARP inhibitors can work as chemopotentiators. There is significant interest in this combination, and the recommended phase II dose will be used in the upcoming NCI ComboMatch trial.

This description comes directly from the study's public registry record.

Talk to the study team

Early Phase Cancer Clinical Trials Recruitment  ·  877-827-3222  ·  EarlyPhaseClinicalTrials@ucsf.edu

Always discuss trial participation with your own doctor first.

Locations (1)

University of California, San FranciscoSan Francisco, California, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05694715