{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ra-223+dichloride",
    "query": {
      "intervention": "Ra-223 dichloride"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ra-223+dichloride&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T15:15:46.583Z",
  "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": "NCT03361735",
      "title": "Radium Ra 223 Dichloride, Hormone Therapy and Stereotactic Body Radiation Therapy in Treating Patients With Metastatic Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Leuprolide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Goserelin Acetate",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Radium Ra 223 Dichloride",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Degarelix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2018-08-29",
      "completion_date": "2027-01-06",
      "has_results": true,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03361735"
    },
    {
      "nct_id": "NCT02507570",
      "title": "Open Label Phase Two Study of Enzalutamide With Concurrent Administration of Radium Ra 223 Dichloride in Castration-Resistant (Hormone-Refractory) Prostate Cancer Subjects With Symptomatic Bone Metastasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Carcinoma Metastatic to the Bone"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Radium ra 223 dichloride",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Carolina Research Professionals, LLC",
      "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": 40,
      "start_date": "2015-09-23",
      "completion_date": "2019-01-18",
      "has_results": false,
      "last_update_posted_date": "2019-03-19",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 4,
      "location_summary": "Towson, Maryland • Syracuse, New York • Myrtle Beach, South Carolina + 1 more",
      "locations": [
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        },
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02507570"
    },
    {
      "nct_id": "NCT00748046",
      "title": "Alpharadin™ (Radium-223 Chloride) Safety and Dosimetry With HRPC That Has Metastasized to the Skeleton",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer",
        "Metastases",
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Radium-223 chloride (BAY88-8223)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": "2008-08",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2014-06-25",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748046"
    },
    {
      "nct_id": "NCT03419442",
      "title": "Multi-academic Center Study of Xofigo Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer, Castration Resistant"
      ],
      "interventions": [
        {
          "name": "Xofigo",
          "type": "DRUG"
        },
        {
          "name": "Taxotere",
          "type": "DRUG"
        },
        {
          "name": "Jevtana",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 150,
      "start_date": "2018-12-03",
      "completion_date": "2019-10-22",
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 1,
      "location_summary": "Whippany, New Jersey",
      "locations": [
        {
          "city": "Whippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419442"
    },
    {
      "nct_id": "NCT02278055",
      "title": "Non-Randomized Trial Assessing Pain Efficacy With Radium-223 in Symptomatic Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Prostate Cancer",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Radium-223",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 29,
      "start_date": "2014-10-08",
      "completion_date": "2022-02-02",
      "has_results": true,
      "last_update_posted_date": "2023-04-07",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 3,
      "location_summary": "New York, New York • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02278055"
    },
    {
      "nct_id": "NCT03093428",
      "title": "Study Evaluating the Addition of Pembrolizumab to Radium-223 in mCRPC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Radium-223",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "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": 45,
      "start_date": "2017-06-09",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03093428"
    },
    {
      "nct_id": "NCT01516762",
      "title": "Radium-223 Dichloride (BAY88-8223) in Castration-Resistant (Hormone-Refractory) Prostate Cancer Patients With Bone Metastases",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Radium-223 dichloride (BAY88-8223)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-07-14",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01516762"
    },
    {
      "nct_id": "NCT02043678",
      "title": "Radium-223 Dichloride and Abiraterone Acetate Compared to Placebo and Abiraterone Acetate for Men With Cancer of the Prostate When Medical or Surgical Castration Does Not Work and When the Cancer Has Spread to the Bone, Has Not Been Treated With Chemotherapy and is Causing no or Only Mild Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Radium-223 dichloride (Xofigo, BAY88-8223)",
          "type": "DRUG"
        },
        {
          "name": "Matching placebo (normal saline)",
          "type": "DRUG"
        },
        {
          "name": "Abiraterone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone/Prednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 806,
      "start_date": "2014-03-30",
      "completion_date": "2024-02-08",
      "has_results": true,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 29,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Oceanside, California + 25 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02043678"
    },
    {
      "nct_id": "NCT02346526",
      "title": "A Biomarker Study of Standard-of-care Radium-223 Chloride for Metastatic Castration-resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Castration-resistant Prostate Cancer",
        "Castration-resistant Prostate Cancer Metastatic to Bone"
      ],
      "interventions": [
        {
          "name": "Blood Tests",
          "type": "PROCEDURE"
        },
        {
          "name": "CT scan",
          "type": "PROCEDURE"
        },
        {
          "name": "FACBC PET/MRI in a subset of participants",
          "type": "PROCEDURE"
        },
        {
          "name": "Radium-223 dichloride",
          "type": "DRUG"
        },
        {
          "name": "bone scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 22,
      "start_date": "2015-04",
      "completion_date": "2020-12",
      "has_results": true,
      "last_update_posted_date": "2022-09-29",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02346526"
    },
    {
      "nct_id": "NCT02258451",
      "title": "Study of Radium-223 Dichloride in Combination With Exemestane and Everolimus Versus Placebo in Combination With Exemestane and Everolimus in Subjects With Bone Predominant HER2 Negative Hormone Receptor Positive Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Radium-223 dichloride (Xofigo, BAY88-8223)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (saline)",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 283,
      "start_date": "2015-06-04",
      "completion_date": "2022-10-28",
      "has_results": true,
      "last_update_posted_date": "2023-11-24",
      "last_synced_at": "2026-09-03T15:15:46.583Z",
      "location_count": 15,
      "location_summary": "La Jolla, California • Los Angeles, California • New Haven, Connecticut + 12 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Ashland",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02258451"
    }
  ]
}