{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=21&q=castration-resistant",
    "query": {
      "q": "castration-resistant",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 768,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=22&q=castration-resistant&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=20&q=castration-resistant&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T14:03:22.681Z",
  "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": "NCT01718353",
      "title": "Early Switch From First-Line Docetaxel/Prednisone to Cabazitaxel/Prednisone and the Opposite Sequence, Exploring Molecular Markers in Men With Metastatic Castration-Resistant Prostate Cancer (mCRPC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer Metastatic"
      ],
      "interventions": [
        {
          "name": "DOCETAXEL (XRP6976)",
          "type": "DRUG"
        },
        {
          "name": "CABAZITAXEL (XRP6258)",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 63,
      "start_date": "2013-03",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Washington D.C., District of Columbia • Indianapolis, Indiana + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01718353"
    },
    {
      "nct_id": "NCT00910754",
      "title": "A QT/QTc and Multi-Dose Pharmacokinetic Study of Abiraterone Acetate Plus Prednisone in Patients With Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Neoplasms"
      ],
      "interventions": [
        {
          "name": "Abiraterone acetate",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 33,
      "start_date": "2009-05",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-04-12",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 6,
      "location_summary": "Buffalo, New York • Myrtle Beach, South Carolina • San Antonio, Texas",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00910754"
    },
    {
      "nct_id": "NCT04754191",
      "title": "Enfortumab Vedotin as Monotherapy in Patients With Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Enfortumab vedotin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 34,
      "start_date": "2022-06-05",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04754191"
    },
    {
      "nct_id": "NCT01594918",
      "title": "Phase I Cabazitaxel, Mitoxantrone, and Prednisone Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Cabazitaxel",
          "type": "DRUG"
        },
        {
          "name": "Mitoxantrone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rahul Aggarwal",
      "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": 25,
      "start_date": "2012-06",
      "completion_date": "2017-06-23",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • San Francisco, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01594918"
    },
    {
      "nct_id": "NCT04846478",
      "title": "Phase Ia/Ib Talazoparib + Tazemetostat for mCRPC",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Prostate Cancer",
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Talazoparib",
          "type": "DRUG"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "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": 35,
      "start_date": "2021-06-28",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04846478"
    },
    {
      "nct_id": "NCT01522443",
      "title": "Study of Cabozantinib (XL184) Versus Mitoxantrone Plus Prednisone in Men With Previously Treated Symptomatic Castration-resistant Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer",
        "Castration Resistant Prostate Cancer",
        "Pain",
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "cabozantinib",
          "type": "DRUG"
        },
        {
          "name": "mitoxantrone",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Exelixis",
      "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": 119,
      "start_date": "2012-03",
      "completion_date": "2015-01-13",
      "has_results": true,
      "last_update_posted_date": "2018-05-23",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 49,
      "location_summary": "Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 42 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Marina del Rey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01522443"
    },
    {
      "nct_id": "NCT01884285",
      "title": "AZD8186 First Time In Patient Ascending Dose Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Castrate-resistant Prostate Cancer CRPC",
        "Squamous Non-Small Cell Lung Cancer sqNSCLC",
        "Triple Negative Breast Cancer TNBC"
      ],
      "interventions": [
        {
          "name": "Part A: AZD8186 monotherapy",
          "type": "DRUG"
        },
        {
          "name": "Part B: AZD8186 monotherapy",
          "type": "DRUG"
        },
        {
          "name": "Part C1: Abiraterone acetate combination with AZD8186",
          "type": "DRUG"
        },
        {
          "name": "Part D1: AZD2014 combination with AZD8186",
          "type": "DRUG"
        },
        {
          "name": "Part D2 AZD2014 combination with AZD8186",
          "type": "DRUG"
        },
        {
          "name": "Part C2: Abiraterone acetate combination with AZD8186",
          "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": 147,
      "start_date": "2013-07-09",
      "completion_date": "2020-02-07",
      "has_results": false,
      "last_update_posted_date": "2020-05-29",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Detroit, Michigan • New York, New York + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01884285"
    },
    {
      "nct_id": "NCT07164443",
      "title": "A Study of Pasritamig With or Without JNJ-87189401 Versus Placebo for Late Line Metastatic Castration-resistant Prostate Cancer (mCRPC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Castration-resistant Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Pasritamig",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Best Supportive Care (BSC)",
          "type": "DRUG"
        },
        {
          "name": "JNJ-87189401",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "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": 1203,
      "start_date": "2025-09-02",
      "completion_date": "2028-08-18",
      "has_results": false,
      "last_update_posted_date": "2026-11-03",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 55,
      "location_summary": "La Jolla, California • Los Angeles, California • San Francisco, California + 43 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07164443"
    },
    {
      "nct_id": "NCT06421935",
      "title": "M9466 Alone or in Combination in Advanced Solid Tumors (DDriver 501)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumor"
      ],
      "interventions": [
        {
          "name": "M9466",
          "type": "DRUG"
        },
        {
          "name": "Tuvusertib",
          "type": "DRUG"
        },
        {
          "name": "Abiraterone acetate",
          "type": "DRUG"
        },
        {
          "name": "Prednisone/Prednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2024-08-07",
      "completion_date": "2027-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 2,
      "location_summary": "New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06421935"
    },
    {
      "nct_id": "NCT03709550",
      "title": "Enzalutamide and Decitabine in Treating Patients With Metastatic Castration Resistant Prostate Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Castration Levels of Testosterone",
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Prostate Carcinoma in the Soft Tissue",
        "Prostate Carcinoma Metastatic in the Bone",
        "PSA Level Greater Than or Equal to Two",
        "PSA Progression",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 0,
      "start_date": "2021-04-15",
      "completion_date": "2024-04-15",
      "has_results": false,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-11-15T14:03:22.681Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03709550"
    }
  ]
}