{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=RT+%28Radiotherapy%29&page=2",
    "query": {
      "intervention": "RT (Radiotherapy)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=RT+%28Radiotherapy%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T15:27:59.879Z",
  "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": "NCT04046575",
      "title": "Radiation Dose Intensification With Accelerated Hypofractionated Intensity Modulated Radiation Therapy and Concurrent Carboplatin and Paclitaxel for Inoperable Esophageal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophagus Cancer",
        "Esophageal Cancer",
        "Cancer of the Esophagus"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "MD Anderson Symptom Inventory (MDASI)-Plus module",
          "type": "OTHER"
        },
        {
          "name": "EuroQol (EQ-5D)",
          "type": "OTHER"
        },
        {
          "name": "SF-12",
          "type": "OTHER"
        },
        {
          "name": "MOS Social Support Measure",
          "type": "OTHER"
        },
        {
          "name": "CES-D",
          "type": "OTHER"
        },
        {
          "name": "Blood for ctDNA (optional)",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood for SCCA",
          "type": "PROCEDURE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2019-11-07",
      "completion_date": "2029-11-20",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04046575"
    },
    {
      "nct_id": "NCT04486755",
      "title": "Hypofractionated Accelerated Pelvic Nodal Radiotherapy (GCC 2048)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer",
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "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": 18,
      "start_date": "2020-11-19",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04486755"
    },
    {
      "nct_id": "NCT03367715",
      "title": "Nivolumab, Ipilimumab, and Short-course Radiotherapy in Adults With Newly Diagnosed, MGMT Unmethylated Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "MGMT-unmethylated Glioblastoma (GBM)",
        "GBM"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy (RT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "NYU Langone Health",
      "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": 10,
      "start_date": "2018-02-07",
      "completion_date": "2022-03-17",
      "has_results": true,
      "last_update_posted_date": "2022-07-01",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367715"
    },
    {
      "nct_id": "NCT00472017",
      "title": "Vandetanib and Radiation Therapy in Treating Young Patients With Newly Diagnosed Diffuse Brainstem Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "vandetanib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "2 Years to 21 Years"
      },
      "enrollment_count": 35,
      "start_date": "2007-04",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2012-10-15",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00472017"
    },
    {
      "nct_id": "NCT00662506",
      "title": "Cediranib, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Cediranib Maleate",
          "type": "DRUG"
        },
        {
          "name": "Diffusion Tensor Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusion Weighted Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Dynamic Contrast-Enhanced Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Perfusion Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "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": 46,
      "start_date": "2008-04",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2023-06-06",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662506"
    },
    {
      "nct_id": "NCT01392144",
      "title": "Phase II Evaluation of Exhaled Nitric Oxide (NO)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Nitric oxide breath test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2011-08",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01392144"
    },
    {
      "nct_id": "NCT03437395",
      "title": "Accelerated Partial Breast Irradiation Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Balloon Brachytherapy",
          "type": "DEVICE"
        },
        {
          "name": "3D Conformal External Beam Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Sentara Norfolk General Hospital",
      "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": 139,
      "start_date": "2009-03-11",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "Harrisonburg, Virginia",
      "locations": [
        {
          "city": "Harrisonburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437395"
    },
    {
      "nct_id": "NCT04728230",
      "title": "Olaparib and Durvalumab With Carboplatin, Etoposide, and/or Radiation Therapy for the Treatment of Extensive-Stage Small Cell Lung Cancer, PRIO Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2021-01-05",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04728230"
    },
    {
      "nct_id": "NCT06529809",
      "title": "Accelerated Brachytherapy Forward Chemo Radiation Therapy (ABC-RT) for Locally-advanced Cervical Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Cervical Carcinoma"
      ],
      "interventions": [
        {
          "name": "Hypofractionated external beam radiation",
          "type": "RADIATION"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Image-guided brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 50,
      "start_date": "2025-02-11",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06529809"
    },
    {
      "nct_id": "NCT03617913",
      "title": "Avelumab in Combination With Fluorouracil and Mitomycin or Cisplatin and Radiation Therapy in Treating Participants With Muscle-Invasive Bladder Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Carcinoma Infiltrating the Muscle of the Bladder Wall",
        "Stage II Bladder Cancer AJCC v8",
        "Stage II Renal Pelvis Cancer AJCC v8",
        "Stage II Ureter Cancer AJCC v8",
        "Stage II Urethral Cancer AJCC v8",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IIIA Bladder Cancer AJCC v8",
        "Stage IIIB Bladder Cancer AJCC v8",
        "Urethral Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Mitomycin",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2018-09-19",
      "completion_date": "2020-07-27",
      "has_results": true,
      "last_update_posted_date": "2023-01-06",
      "last_synced_at": "2026-09-29T15:27:59.879Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03617913"
    }
  ]
}