{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Dose+Radiation+%28HDR%29+Brachytherapy",
    "query": {
      "intervention": "High Dose Radiation (HDR) Brachytherapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Dose+Radiation+%28HDR%29+Brachytherapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T13:19:30.700Z",
  "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": "NCT07182279",
      "title": "Neoadjuvant High Dose Rate Brachytherapy Prior to Radical Prostatectomy in Patients With Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer (Adenocarcinoma)"
      ],
      "interventions": [
        {
          "name": "Brachytherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 29,
      "start_date": "2025-08-01",
      "completion_date": "2026-11-14",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07182279"
    },
    {
      "nct_id": "NCT00014066",
      "title": "Photodynamic Therapy Plus Brachytherapy in Treating Patients With Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "hematoporphyrin derivative",
          "type": "DRUG"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1993-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-05",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014066"
    },
    {
      "nct_id": "NCT01659424",
      "title": "Phase II Trial of Preoperative High-dose-rate Endorectal Brachytherapy and FOLFOX Chemotherapy for Rectal Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "High Dose Rate Endorectal Brachytherapy (HDR-ERBT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Beth Israel 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": 0,
      "start_date": "2011-06",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-12-18",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01659424"
    },
    {
      "nct_id": "NCT00714753",
      "title": "Internal Radiation Therapy With or Without External-Beam Radiation Therapy in Treating Patients With Localized Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "hypofractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "image-guided radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "18 Years to 120 Years · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2008-08",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2019-08-07",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00714753"
    },
    {
      "nct_id": "NCT00243321",
      "title": "High Dose-Rate Brachytherapy and/or Intensity Modulated External Beam Radiation Therapy for Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adenocarcinoma of the Prostate"
      ],
      "interventions": [
        {
          "name": "high dose-rate brachytherapy",
          "type": "PROCEDURE"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 27,
      "start_date": "2003-02",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-13",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00243321"
    },
    {
      "nct_id": "NCT04030000",
      "title": "Uterine Serous Carcinoma and Adjuvant Combined Intraperitoneal Chemotherapy and Radiation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Uterine Carcinoma"
      ],
      "interventions": [
        {
          "name": "Paclitaxel/Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Pelvic radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2020-05-20",
      "completion_date": "2023-01-30",
      "has_results": false,
      "last_update_posted_date": "2023-03-17",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04030000"
    },
    {
      "nct_id": "NCT01988870",
      "title": "IORT (Intra-operative Radiation Therapy) in Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Intra-operative Radiation Therapy (IORT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Shayna Showalter, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 28,
      "start_date": "2013-12",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-11-22",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988870"
    },
    {
      "nct_id": "NCT01546987",
      "title": "Hormone Therapy, Radiation Therapy, and Steroid 17alpha-monooxygenase TAK-700 in Treating Patients With High-Risk Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "GnRH agonist",
          "type": "DRUG"
        },
        {
          "name": "Anti-androgen",
          "type": "DRUG"
        },
        {
          "name": "TAK-700",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 239,
      "start_date": "2012-05",
      "completion_date": "2025-09-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 165,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 136 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Auburn",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01546987"
    },
    {
      "nct_id": "NCT00924027",
      "title": "A Study of Patients Receiving High-Dose Rate Brachytherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer",
        "Endometrial Cancer",
        "Esophageal Cancer",
        "Prostate Cancer",
        "Biliary Cancer"
      ],
      "interventions": [
        {
          "name": "High Dose Radiation (HDR) Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PET Scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "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": 43,
      "start_date": "2009-04-14",
      "completion_date": "2025-07-24",
      "has_results": true,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00924027"
    },
    {
      "nct_id": "NCT06817668",
      "title": "Evaluating Tolerability of ePUHRT With Brachytherapy Boost",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "ePURT 5Gy x 5 fractions with single HDR boost of 15Gy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Indiana University",
      "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": 31,
      "start_date": "2025-03-05",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-10-04T13:19:30.700Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06817668"
    }
  ]
}