{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Dose+brachytherapy+boost",
    "query": {
      "intervention": "High Dose brachytherapy boost"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Dose+brachytherapy+boost&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T17:15:31.483Z",
  "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": "NCT03146039",
      "title": "Non-Invasive Cervical Cancer Radiotherapy for Stage IB-IVB",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer",
        "Cervical Cancer Stage",
        "Cervical Cancer Stage IB2",
        "Cervical Cancer Stage IB1",
        "Cervical Cancer Stage I",
        "Cervical Cancer Stage IB",
        "Cervical Cancer Stage II",
        "Cervical Cancer Stage IIa",
        "Cervical Cancer, Stage IIB",
        "Cervical Cancer, Stage III",
        "Cervical Cancer Stage IIIB",
        "Cervical Cancer Stage IIIA",
        "Cervical Cancer Stage Iv",
        "Cervical Cancer Stage IVA",
        "Cervical Cancer Stage IVB"
      ],
      "interventions": [
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2017-06-02",
      "completion_date": "2019-05-15",
      "has_results": false,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146039"
    },
    {
      "nct_id": "NCT01185145",
      "title": "Accelerated Partial Breast Radiotherapy With Either Mammosite or Intensity Modulated Radiotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast Brachytherapy with Mammosite RTS",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Rocky Mountain Cancer Centers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 291,
      "start_date": "2004-02",
      "completion_date": "2024-08",
      "has_results": false,
      "last_update_posted_date": "2013-07-11",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Boulder, Colorado • Denver, Colorado + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185145"
    },
    {
      "nct_id": "NCT05754580",
      "title": "High-dose Brachytherapy Boost With Stereostatic Body Radiation Therapy to Intermediate or Higher Risk Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostatic Cancer"
      ],
      "interventions": [
        {
          "name": "High Dose Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Stereostatic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "19 Years and older · Male only"
      },
      "enrollment_count": 53,
      "start_date": "2023-08-29",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05754580"
    },
    {
      "nct_id": "NCT02805894",
      "title": "NBTXR3 Nanoparticles and EBRT or EBRT With Brachytherapy in the Treatment of Prostate Adenocarcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "NBTXR3 activated by IMRT only",
          "type": "DRUG"
        },
        {
          "name": "NBTXR3 activated by Brachytherapy & IMRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nanobiotix",
      "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": 5,
      "start_date": "2017-11-15",
      "completion_date": "2020-03-19",
      "has_results": false,
      "last_update_posted_date": "2021-05-10",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02805894"
    },
    {
      "nct_id": "NCT05603910",
      "title": "Phase 1 Clinical Trial of Lenvatinib, Pembrolizumab and Hypofractionated Pelvic Radiation Therapy for pMMR Recurrent/Unresectable Endometrial Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Endometrial Carcinoma",
        "Unresectable Endometrial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Hypofractionated External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "High-Dose Rate (HDR) Brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Aaron Wolfson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2023-04-15",
      "completion_date": "2034-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05603910"
    },
    {
      "nct_id": "NCT02595879",
      "title": "Triapine With Chemotherapy and Radiation Therapy in Treating Patients With IB2-IVA Cervical or Vaginal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Cervical Adenocarcinoma",
        "Advanced Cervical Adenosquamous Carcinoma",
        "Advanced Cervical Squamous Cell Carcinoma",
        "Advanced Vaginal Adenocarcinoma",
        "Advanced Vaginal Adenosquamous Carcinoma",
        "Advanced Vaginal Squamous Cell Carcinoma",
        "Stage IB2 Cervical Cancer AJCC v6 and v7",
        "Stage II Cervical Cancer AJCC v7",
        "Stage II Vaginal Cancer AJCC v6 and v7",
        "Stage III Vaginal Cancer AJCC v6 and v7",
        "Stage IIIB Cervical Cancer AJCC v6 and v7",
        "Stage IVA Cervical Cancer AJCC v6 and v7",
        "Stage IVA Vaginal Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "High-Dose Rate Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Triapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2019-09-18",
      "completion_date": "2027-04-29",
      "has_results": true,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Pasadena, California + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02595879"
    },
    {
      "nct_id": "NCT01368588",
      "title": "Androgen-Deprivation Therapy and Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "three-dimensional conformal radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "intensity modulated radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Anti-androgen",
          "type": "DRUG"
        },
        {
          "name": "luteinizing hormone-releasing hormone (LHRH) agonist or antagonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "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": 2590,
      "start_date": "2011-07",
      "completion_date": "2031-07",
      "has_results": true,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 454,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 351 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01368588"
    },
    {
      "nct_id": "NCT07292298",
      "title": "Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rectal Adenocarcinoma",
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "High Rare Dose Rectal Brachytherapy Boost",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 44,
      "start_date": "2026-11",
      "completion_date": "2031-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Rochester, New York • Portland, Oregon",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07292298"
    },
    {
      "nct_id": "NCT04465500",
      "title": "EBRT and HDR Brachytherapy for Unfavorable-intermediate, High, and Very High-risk Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "External Beam Radiation",
          "type": "RADIATION"
        },
        {
          "name": "HDR Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Androgen Deprivation Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "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": 60,
      "start_date": "2025-01-30",
      "completion_date": "2029-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04465500"
    },
    {
      "nct_id": "NCT06235697",
      "title": "Androgen Suppression Combined With Nodal Irradiation and Dose Escalated Prostate Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Radiation SBRT only",
          "type": "RADIATION"
        },
        {
          "name": "ADT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Canadian Cancer Trials 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": 710,
      "start_date": "2024-04-25",
      "completion_date": "2033-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-12T17:15:31.483Z",
      "location_count": 46,
      "location_summary": "Antioch, California • Dublin, California • Fremont, California + 33 more",
      "locations": [
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Dublin",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06235697"
    }
  ]
}