{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HRR+Deficiency",
    "query": {
      "condition": "HRR Deficiency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 41,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HRR+Deficiency&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T18:04:54.947Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02655016",
      "title": "A Study of Niraparib (GSK3985771) Maintenance Treatment in Participants With Advanced Ovarian Cancer Following Response on Front-Line Platinum-Based Chemotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ovarian Neoplasms"
      ],
      "interventions": [
        {
          "name": "Niraparib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tesaro, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 733,
      "start_date": "2016-07-11",
      "completion_date": "2026-05-29",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 47,
      "location_summary": "Tempe, Arizona • Tucson, Arizona • San Francisco, California + 41 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02655016"
    },
    {
      "nct_id": "NCT02975934",
      "title": "A Study of Rucaparib Versus Physician's Choice of Therapy in Participants With Metastatic Castration-resistant Prostate Cancer and Homologous Recombination Gene Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Castration Resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Rucaparib",
          "type": "DRUG"
        },
        {
          "name": "Abiraterone acetate or Enzalutamide or Docetaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "pharmaand GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 405,
      "start_date": "2017-06-13",
      "completion_date": "2024-08-08",
      "has_results": true,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02975934"
    },
    {
      "nct_id": "NCT05775549",
      "title": "A Study to Characterize the Outcomes of Olaparib Maintenance Monotherapy in Newly Diagnosed BRCAwt Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational Study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 130 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2023-07-10",
      "completion_date": "2023-10-27",
      "has_results": false,
      "last_update_posted_date": "2024-09-20",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 7,
      "location_summary": "Tampa, Florida • Shreveport, Louisiana • Annapolis, Maryland + 4 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05775549"
    },
    {
      "nct_id": "NCT03742895",
      "title": "Efficacy and Safety of Olaparib (MK-7339) in Participants With Previously Treated, Homologous Recombination Repair Mutation (HRRm) or Homologous Recombination Deficiency (HRD) Positive Advanced Cancer (MK-7339-002 / LYNK-002)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Solid Neoplasms"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 329,
      "start_date": "2018-12-12",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 24,
      "location_summary": "Tucson, Arizona • Fullerton, California • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03742895"
    },
    {
      "nct_id": "NCT03337087",
      "title": "Liposomal Irinotecan, Fluorouracil, Leucovorin Calcium, and Rucaparib in Treating Patients With Metastatic Pancreatic, Colorectal, Gastroesophageal, or Biliary Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Biliary Tract Carcinoma",
        "Metastatic Colorectal Carcinoma",
        "Metastatic Gastroesophageal Junction Adenocarcinoma",
        "Metastatic Malignant Digestive System Neoplasm",
        "Metastatic Pancreatic Adenocarcinoma",
        "Stage IV Colorectal Cancer AJCC v7",
        "Stage IV Pancreatic Cancer AJCC v6 and v7",
        "Stage IVA Colorectal Cancer AJCC v7",
        "Stage IVB Colorectal Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan Sucrosofate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Rucaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Academic and Community Cancer Research United",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2018-11-02",
      "completion_date": "2025-08-09",
      "has_results": true,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Atlanta, Georgia • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03337087"
    },
    {
      "nct_id": "NCT07446855",
      "title": "Study of AZD4956 as Monotherapy and in Combination With Anti-Cancer Agents in Participants With Advanced/Metastatic Homologous Recombination Deficient Solid Tumours",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumours"
      ],
      "interventions": [
        {
          "name": "AZD4956",
          "type": "DRUG"
        },
        {
          "name": "Saruparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 180,
      "start_date": "2026-03-17",
      "completion_date": "2030-03-29",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 4,
      "location_summary": "New York, New York • Providence, Rhode Island • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07446855"
    },
    {
      "nct_id": "NCT04515836",
      "title": "Olaparib in Patients With HRD Malignant Mesothelioma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mesothelioma",
        "Homologous Recombination Deficiency"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2021-02-19",
      "completion_date": "2028-04-15",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04515836"
    },
    {
      "nct_id": "NCT06177171",
      "title": "Olaparib and ASTX727 in BRCA1/2- and Homologous Recombination Deficient (HRD)-Mutated Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "BRCA1 Mutation",
        "BRCA2 Mutation",
        "BRCA Mutation",
        "PALB2 Gene Mutation",
        "Checkpoint Kinase 2 Gene Mutation",
        "ATM Gene Mutation"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "ASTX727",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Varun Monga, MBBS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2024-02-07",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06177171"
    },
    {
      "nct_id": "NCT06545942",
      "title": "Study of Orally Administered MOMA-313 in Participants With Advanced or Metastatic Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumor",
        "Metastatic Solid Tumor",
        "Prostate Cancer",
        "Pancreas Cancer",
        "Breast Cancer",
        "Ovarian Cancer",
        "Homologous Recombination Deficiency"
      ],
      "interventions": [
        {
          "name": "MOMA-313",
          "type": "DRUG"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MOMA Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2024-08-13",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 12,
      "location_summary": "Goodyear, Arizona • La Jolla, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Lake Mary",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06545942"
    },
    {
      "nct_id": "NCT05689021",
      "title": "CJNJ-67652000 and Prednisone for Treatment of Metastatic Castration-Resistant Prostate Cancer and SPOP Gene Mutations",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Prostate Adenocarcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Abiraterone Acetate/Niraparib",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 8,
      "start_date": "2024-03-05",
      "completion_date": "2026-07-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-07-22T18:04:54.947Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05689021"
    }
  ]
}