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No longer recruiting (closed or complete)Last updated: 3 April 2025

TRITON2: This phase II trial is evaluating the effect of the anti-cancer drug Rucaparib in patients with metastatic castration-resistant prostate cancerA Multicenter, Open-label Phase 2 Study of Rucaparib in Patients With Metastatic Castration-resistant Prostate Cancer Associated With Homologous Recombination Deficiency

Trial purpose

Medical clipboardCancer treatment

Tumor type

Urinary System Cancers Genitourinary

Age

People18+

Trial acronym

TRITON2

Clinical summary

Summary

The purpose of this study is to determine how patients with metastatic castration-resistant prostate cancer, and evidence of a homologous recombination gene deficiency, respond to treatment with rucaparib.

Conditions

This trial is treating people with Prostate Cancer

Eligibility

Inclusion

  • Be 18 years old at the time the informed consent form is signed
  • Have a histologically or cytologically confirmed adenocarcinoma or poorly differentiated carcinoma of the prostate
  • Be surgically or medically castrated, with serum testosterone levels of ≤ 50 ng/dL (1.73 nM)
  • Experienced disease progression after having received at least 1 but no more than 2 prior next-generation androgen receptor-targeted therapies, and 1 prior taxane-based chemotherapy, for castration-resistant disease
  • Have a deleterious mutation in BRCA1/2 or ATM, or molecular evidence of other homologous recombination deficiency

Exclusion

  • Active second malignancy, with the exception of curatively treated non-melanoma skin cancer, carcinoma in situ, or superficial bladder cancer
  • Prior treatment with any PARP inhibitor, mitoxantrone, cyclophosphamide or any platinum-based chemotherapy
  • Symptomatic and/or untreated central nervous system metastases
  • Pre-existing duodenal stent and/or any gastrointestinal disorder or defect that would, in the opinion of the investigator, interfere with absorption of rucaparib

Inclusion

  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

Participating hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Clovis Oncology, Inc.

Scientific Title

A Multicenter, Open-label Phase 2 Study of Rucaparib in Patients With Metastatic Castration-resistant Prostate Cancer Associated With Homologous Recombination Deficiency

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