{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+External+Beam+Radiation+Therapy",
    "query": {
      "intervention": "Standard External Beam Radiation Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 133,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+External+Beam+Radiation+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T17:51:55.288Z",
  "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": "NCT00335998",
      "title": "Phase I Study of Intravenous Triapine (IND # 68338) in Combination With Pelvic Radiation Therapy With or Without Weekly Intravenous Cisplatin Chemotherapy for Locally Advanced Cervical, Vaginal, or Pelvic Gynecologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Cervical Cancer",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Vaginal Cancer",
        "Recurrent Vulvar Cancer",
        "Stage III Vaginal Cancer",
        "Stage IIIA Cervical Cancer",
        "Stage IIIA Ovarian Epithelial Cancer",
        "Stage IIIA Vulvar Cancer",
        "Stage IIIB Cervical Cancer",
        "Stage IIIB Ovarian Epithelial Cancer",
        "Stage IIIB Vulvar Cancer",
        "Stage IIIC Ovarian Epithelial Cancer",
        "Stage IIIC Vulvar Cancer",
        "Stage IV Ovarian Epithelial Cancer",
        "Stage IVA Cervical Cancer",
        "Stage IVA Vaginal Cancer",
        "Stage IVB Cervical Cancer",
        "Stage IVB Vaginal Cancer"
      ],
      "interventions": [
        {
          "name": "triapine",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "external beam radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "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": 24,
      "start_date": "2006-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-11",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335998"
    },
    {
      "nct_id": "NCT01725165",
      "title": "Surgery and/or Radiation Therapy or Standard Therapy and/or Clinical Observation in Treating Patients With Previously Treated Stage IV Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Stage IV Non-Small Cell Lung Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Clinical Observation",
          "type": "OTHER"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Standard Follow-Up Care",
          "type": "PROCEDURE"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION",
        "PROCEDURE"
      ],
      "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": 85,
      "start_date": "2012-11-28",
      "completion_date": "2024-05-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Houston, Texas",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01725165"
    },
    {
      "nct_id": "NCT04900623",
      "title": "Risk-adapted Therapy in HPV+ Oropharyngeal Cancer Using Circulating Tumor (ct)HPV DNA Profile - The ReACT Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV-Associated Oropharyngeal Squamous Cell Carcinoma",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma",
        "HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Stage",
        "HPV-Related Squamous Cell Carcinoma",
        "Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Pathologic Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Pathologic Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Pathologic Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Clinical Stage",
        "HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Pathologic Stage"
      ],
      "interventions": [
        {
          "name": "NavDx HPV ctDNA Testing",
          "type": "DEVICE"
        },
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Chemotherapy drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Jonathan Schoenfeld, MD, MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2021-07-02",
      "completion_date": "2032-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04900623"
    },
    {
      "nct_id": "NCT06391034",
      "title": "Magnetic Resonance (MR) Imaging With Hyperpolarized 13C-Pyruvate +/- 13C,15N-Urea in Patients With Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "hyperpolarized pyruvate +/-urea (13C/15N)",
          "type": "DRUG"
        },
        {
          "name": "Non-investigational External beam radiotherapy (EBRT)",
          "type": "RADIATION"
        },
        {
          "name": "Radiotherapy (RT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Multi-parametric magnetic resonance imaging (mpMRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-interventional hormone therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prostate Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Robert Bok, MD, PhD",
      "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": 161,
      "start_date": "2024-09-24",
      "completion_date": "2032-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06391034"
    },
    {
      "nct_id": "NCT03126916",
      "title": "Testing the Addition of 131I-MIBG or Lorlatinib to Intensive Therapy in People With High-Risk Neuroblastoma (NBL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ganglioneuroblastoma",
        "Ganglioneuroblastoma, Nodular",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Dinutuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Etoposide Phosphate",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Iobenguane I-123",
          "type": "RADIATION"
        },
        {
          "name": "Iobenguane I-131",
          "type": "RADIATION"
        },
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Lorlatinib",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Melphalan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "365 Days",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "365 Days to 30 Years"
      },
      "enrollment_count": 750,
      "start_date": "2018-05-14",
      "completion_date": "2030-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 152,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 121 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126916"
    },
    {
      "nct_id": "NCT06912763",
      "title": "Reversing External-beam Radiotherapy-associated Fibrosis Syndrome: an Interventional Bayesian Adaptive Randomized-controlled Orphan Drug Platform Trial for Orodental Sequelae (Reverse-fibrose)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fibrosis Syndrome",
        "Lymphedema",
        "Head &Amp; Neck Cancer",
        "Fibrosis"
      ],
      "interventions": [
        {
          "name": "Pravastatin (drug)",
          "type": "DRUG"
        },
        {
          "name": "Pentoxifylline",
          "type": "DRUG"
        },
        {
          "name": "ketoprofen",
          "type": "DRUG"
        },
        {
          "name": "Pirfenidoneone",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care (SOC)",
          "type": "OTHER"
        },
        {
          "name": "tocopherol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 250,
      "start_date": "2025-08-08",
      "completion_date": "2031-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06912763"
    },
    {
      "nct_id": "NCT05477823",
      "title": "Imaging and Genomic Biomarkers to Predict Response in Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "External beam radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Prostate brachytherapy boost",
          "type": "RADIATION"
        },
        {
          "name": "Androgen deprivation therapy",
          "type": "DRUG"
        },
        {
          "name": "Positron emission tomography (PET)/magnetic resonance imaging (MRI)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-03-08",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05477823"
    },
    {
      "nct_id": "NCT01359592",
      "title": "S1001 PET-Directed Therapy in Treating Patients With Limited-Stage Diffuse Large B-Cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "R-CHOP regimen",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "selective external radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "yttrium Y 90 ibritumomab tiuxetan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 159,
      "start_date": "2011-09",
      "completion_date": "2023-12",
      "has_results": true,
      "last_update_posted_date": "2025-06-17",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 240,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Aurora, Colorado + 153 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01359592"
    },
    {
      "nct_id": "NCT02905591",
      "title": "A Phase 2 Study Adding Ascorbate to Chemotherapy and Radiation Therapy for NSCLC",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Non-Small-Cell Lung",
        "Non-Small Cell Lung Cancer",
        "Nonsmall Cell Lung Cancer",
        "Non-Small-Cell Lung Carcinoma",
        "NSCLC"
      ],
      "interventions": [
        {
          "name": "Radiation Therapy",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Ascorbic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joseph J. Cullen, MD, FACS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2018-11-16",
      "completion_date": "2027-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02905591"
    },
    {
      "nct_id": "NCT02952586",
      "title": "Study To Compare Avelumab In Combination With Standard of Care Chemoradiotherapy (SoC CRT) Versus SoC CRT for Definitive Treatment In Patients With Locally Advanced Squamous Cell Carcinoma Of The Head And Neck (JAVELIN HEAD AND NECK 100)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Chemoradiation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 697,
      "start_date": "2016-11-28",
      "completion_date": "2020-08-25",
      "has_results": true,
      "last_update_posted_date": "2021-09-22",
      "last_synced_at": "2026-09-25T17:51:55.288Z",
      "location_count": 139,
      "location_summary": "Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 91 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02952586"
    }
  ]
}