{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Radiation+Therapy+Oncology+Group",
    "query": {
      "sponsor": "Radiation Therapy Oncology Group"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 173,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Radiation+Therapy+Oncology+Group&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T08:40:34.830Z",
  "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": "NCT00006388",
      "title": "Radiation Therapy and Tamoxifen in Treating Adults With Newly Diagnosed Supratentorial Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "tamoxifen citrate",
          "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 77,
      "start_date": "2000-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 237,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 184 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006388"
    },
    {
      "nct_id": "NCT00895622",
      "title": "Observation or Radiation Therapy in Treating Patients With Grade I, Grade II, or Grade III Meningioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "54 Gy radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "60 Gy radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2009-06",
      "completion_date": "2023-08-15",
      "has_results": true,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 74,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Duarte, California + 62 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00895622"
    },
    {
      "nct_id": "NCT01062399",
      "title": "Everolimus, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "concurrent RAD001 10 mg/day",
          "type": "DRUG"
        },
        {
          "name": "concurrent temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "concurrent RAD001 2.5 mg/day",
          "type": "DRUG"
        },
        {
          "name": "concurrent RAD001 5 mg/day",
          "type": "DRUG"
        },
        {
          "name": "post-radiation RAD001 10 mg/day",
          "type": "DRUG"
        },
        {
          "name": "post-radiation temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 279,
      "start_date": "2010-12",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2022-06-09",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 34,
      "location_summary": "Newark, Delaware • Gainesville, Florida • Jacksonville, Florida + 28 more",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01062399"
    },
    {
      "nct_id": "NCT00068237",
      "title": "Salivary Gland Surgery Before Radiation Therapy in Preventing Radiation-Caused Xerostomia in Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Radiation Toxicity",
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "salivary gland transfer",
          "type": "PROCEDURE"
        },
        {
          "name": "Post-operative radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2003-08",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2019-02-05",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 9,
      "location_summary": "Gainesville, Florida • Miami, Florida • Springfield, Illinois + 5 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00068237"
    },
    {
      "nct_id": "NCT00305864",
      "title": "Motexafin Gadolinium, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma Multiforme or Gliosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Motexafin Gadolinium",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "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": 118,
      "start_date": "2006-02-09",
      "completion_date": "2011-03-15",
      "has_results": true,
      "last_update_posted_date": "2018-03-05",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 106,
      "location_summary": "Mobile, Alabama • Scottsdale, Arizona • Tucson, Arizona + 73 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00305864"
    },
    {
      "nct_id": "NCT00005022",
      "title": "Radiation Therapy Plus Combination Chemotherapy in Treating Patients With Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "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": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 64,
      "start_date": "1998-02",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2013-11-04",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 242,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 189 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005022"
    },
    {
      "nct_id": "NCT00656513",
      "title": "Acupuncture-Like Transcutaneous Electrical Nerve Stimulation (ALTENS) or Pilocarpine in Treating Early Dry Mouth in Patients Undergoing Radiation Therapy for Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "Pilocarpine",
          "type": "DRUG"
        },
        {
          "name": "ALTENS",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 196,
      "start_date": "2008-09",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 16,
      "location_summary": "San Francisco, California • New Haven, Connecticut • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Alton",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00656513"
    },
    {
      "nct_id": "NCT01262560",
      "title": "Manuka Honey in Preventing Esophagitis-Related Pain in Patients Receiving Chemotherapy and Radiation Therapy For Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dysphagia",
        "Lung Cancer",
        "Pain",
        "Esophagitis"
      ],
      "interventions": [
        {
          "name": "Manuka honey in liquid form",
          "type": "DRUG"
        },
        {
          "name": "Manuka honey in lozenge form",
          "type": "DRUG"
        },
        {
          "name": "Standard supportive care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 163,
      "start_date": "2012-02",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 59,
      "location_summary": "Mobile, Alabama • San Francisco, California • Stanford, California + 50 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01262560"
    },
    {
      "nct_id": "NCT00750269",
      "title": "Stereotactic Body Radiation Therapy in Treating Patients With Stage I Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "SBRT 40.0 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 42.5 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 45.0 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 47.5 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 50.0 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 52.5 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 55.0 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 57.5 Gy",
          "type": "RADIATION"
        },
        {
          "name": "SBRT 60.0 Gy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 120,
      "start_date": "2009-02",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2022-06-09",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 57,
      "location_summary": "Peoria, Arizona • Scottsdale, Arizona • Burbank, California + 50 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Cameron Park",
          "state": "California"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00750269"
    },
    {
      "nct_id": "NCT01005329",
      "title": "Intensity-Modulated Radiation Therapy, Cisplatin, and Bevacizumab Followed by Carboplatin and Paclitaxel in Treating Patients Who Have Undergone Surgery for Endometrial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Adenocarcinoma",
        "Endometrial Adenosquamous Carcinoma",
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Stage IA Uterine Corpus Cancer AJCC v7",
        "Stage IB Uterine Corpus Cancer AJCC v7",
        "Stage II Uterine Corpus Cancer AJCC v7",
        "Stage IIIA Uterine Corpus Cancer AJCC v7",
        "Stage IIIB Uterine Corpus Cancer AJCC v7",
        "Stage IIIC Uterine Corpus Cancer AJCC v7",
        "Stage IVA Uterine Corpus Cancer AJCC v7",
        "Stage IVB Uterine Corpus Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "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": 34,
      "start_date": "2009-11-06",
      "completion_date": "2013-09-22",
      "has_results": true,
      "last_update_posted_date": "2018-03-15",
      "last_synced_at": "2026-06-07T08:40:34.830Z",
      "location_count": 38,
      "location_summary": "Berkeley, California • Walnut Creek, California • Colorado Springs, Colorado + 31 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01005329"
    }
  ]
}