{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=4&q=castration-resistant",
    "query": {
      "q": "castration-resistant",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 768,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=5&q=castration-resistant&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=3&q=castration-resistant&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T09:08:58.223Z",
  "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": "NCT03406858",
      "title": "Pembro and HER2Bi-Armed Activated T Cells in Treating Patients With Metastatic Castration Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration Levels of Testosterone",
        "Castration-Resistant Prostate Carcinoma",
        "Prostate Carcinoma Metastatic in the Bone",
        "PSA Progression",
        "Stage IV Prostate Adenocarcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "HER2Bi-Armed Activated T Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2018-06-07",
      "completion_date": "2022-11-07",
      "has_results": true,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03406858"
    },
    {
      "nct_id": "NCT02020135",
      "title": "An Open-label Extension Study of PSMA ADC 2301 in mCRPC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "PSMA ADC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Progenics Pharmaceuticals, Inc.",
      "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": 9,
      "start_date": "2013-10",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-24",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • New Orleans, Louisiana • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02020135"
    },
    {
      "nct_id": "NCT00919035",
      "title": "Single Agent Temsirolimus (Torisel®) in Chemotherapy-naïve Castration-Resistant Prostate Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "torisel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oncology Specialists, S.C.",
      "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": 21,
      "start_date": "2009-06",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2014-06-30",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 2,
      "location_summary": "Niles, Illinois • Park Ridge, Illinois",
      "locations": [
        {
          "city": "Niles",
          "state": "Illinois"
        },
        {
          "city": "Park Ridge",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919035"
    },
    {
      "nct_id": "NCT07221825",
      "title": "Low-Count Quantitative SPECT for Men Treated With Radium-223",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer",
        "Cancer of the Prostate"
      ],
      "interventions": [
        {
          "name": "Low-count quantitative single-photon emission computed tomography imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 38,
      "start_date": "2026-11-01",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07221825"
    },
    {
      "nct_id": "NCT05551117",
      "title": "A Study of Vobramitamab Duocarmazine in Participants With Metastatic Castration Resistant Prostate Cancer and Other Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-Resistant Prostatic Cancer",
        "Androgen-Independent Prostatic Cancer",
        "Androgen-Insensitive Prostatic Cancer",
        "Androgen-Resistant Prostatic Cancer",
        "Hormone Refractory Prostatic Cancer",
        "Anal Cancer",
        "Anal Neoplasm",
        "Carcinoma, Squamous Cell of Head and Neck",
        "Head and Neck Squamous Cell Carcinoma",
        "Laryngeal Squamous Cell Carcinoma",
        "Oral Squamous Cell Carcinoma",
        "Malignant Melanoma",
        "Melanoma",
        "Non-small Cell Lung Cancer",
        "Non-small Cell Carcinoma",
        "Small-cell Lung Cancer",
        "Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "vobramitamab duocarmazine 2.0 mg (Arm A)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "vobramitamab duocarmazine 2.7 mg (Arm B)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "vobramitamab duocarmazine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abiraterone",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "MacroGenics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2023-06-13",
      "completion_date": "2025-01-23",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 14,
      "location_summary": "Fountain Valley, California • Los Angeles, California • Jacksonville, Florida + 11 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orange City",
          "state": "Florida"
        },
        {
          "city": "Covington",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551117"
    },
    {
      "nct_id": "NCT06551324",
      "title": "A Study to Learn About the Investigational Medicine Called PF-06821497 (Mevrometostat) in Men With mCRPC Who Were Previously Treated With Abiraterone Acetate for Prostate Cancer (MEVPRO-1).",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Castrate Resistant Prostate Cancer (mCRPC)"
      ],
      "interventions": [
        {
          "name": "PF-06821497",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 609,
      "start_date": "2024-10-21",
      "completion_date": "2028-10-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-30",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 70,
      "location_summary": "Homewood, Alabama • Chandler, Arizona • Gilbert, Arizona + 49 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06551324"
    },
    {
      "nct_id": "NCT05999968",
      "title": "Abemaciclib Plus Darolutamide in Prostate Cancer That Has Spread After Initial Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Darolutamide",
          "type": "DRUG"
        },
        {
          "name": "LHRH agonist/antagonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 10,
      "start_date": "2024-01-12",
      "completion_date": "2026-01-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 3,
      "location_summary": "Springdale, Arkansas • Mineola, New York • New York, New York",
      "locations": [
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Mineola",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05999968"
    },
    {
      "nct_id": "NCT02445976",
      "title": "Once-daily Oral Seviteronel in Patients With Castration-Resistant Prostate Cancer Progressing on Enzalutamide or Abiraterone.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Seviteronel: given orally once daily in 28-day cycles",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Innocrin Pharmaceutical",
      "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": 197,
      "start_date": "2015-05",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2019-02-01",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02445976"
    },
    {
      "nct_id": "NCT04455750",
      "title": "A Clinical Study Evaluating The Benefit of Adding Rucaparib to Enzalutamide for Men With Metastatic Prostate Cancer That Has Become Resistant To Testosterone-Deprivation Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Prostate Adenocarcinoma",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Rucaparib camsylate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Goserelin Acetate",
          "type": "DRUG"
        },
        {
          "name": "Degarelix",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": 61,
      "start_date": "2021-10-14",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 414,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Hot Springs, Arkansas + 298 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04455750"
    },
    {
      "nct_id": "NCT05807126",
      "title": "Testing the Addition of Immunotherapy With Hu5F9-G4 (Magrolimab) to the Usual PARP Inhibitor, Olaparib for Treatment of Metastatic or Recurrent Breast or Castrate-Resistant Prostate Cancer With BRCA Mutations",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Castration-Resistant Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magrolimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-05",
      "completion_date": "2026-12-06",
      "has_results": false,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-11-15T09:08:58.223Z",
      "location_count": 5,
      "location_summary": "Costa Mesa, California • Orange, California • The Bronx, New York + 1 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05807126"
    }
  ]
}