{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Intensity-Modulated+Radiation+Therapy+%28IMRT%29+External+Beam+Radiation",
    "query": {
      "intervention": "Intensity-Modulated Radiation Therapy (IMRT) External Beam Radiation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Intensity-Modulated+Radiation+Therapy+%28IMRT%29+External+Beam+Radiation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T16:52:04.973Z",
  "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": "NCT01554410",
      "title": "Intensity Modulated Radiation Therapy With Cisplatin and Gemcitabine to Treat Locally Advanced Cervical Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cervical Carcinoma"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiation Therapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "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": 35,
      "start_date": "2010-08",
      "completion_date": "2020-08-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-17",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01554410"
    },
    {
      "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": "2026-09-25T16:52:04.973Z",
      "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": "NCT01603420",
      "title": "External Beam Radiation With or Without Chemotherapy to Treat High Risk Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Luteinizing hormone-releasing hormone (LHRH)",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Conformal Radiation Therapy (RT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Proton Collaborative Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2012-07",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-03-14",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 3,
      "location_summary": "Warrenville, Illinois • Oklahoma City, Oklahoma • Hampton, Virginia",
      "locations": [
        {
          "city": "Warrenville",
          "state": "Illinois"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Hampton",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01603420"
    },
    {
      "nct_id": "NCT05331131",
      "title": "Efficacy of Ketamine Mouthwash in the Management of Oral and Pharyngeal Toxicity Associated With Head and Neck Chemoradiotherapy: A Phase 2, Simon 2-stage Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer of Head and Neck",
        "Mucositis Oral",
        "Pharyngeal Mucositis"
      ],
      "interventions": [
        {
          "name": "Ketamine Topical",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-09-19",
      "completion_date": "2025-11-14",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 1,
      "location_summary": "Lake Success, New York",
      "locations": [
        {
          "city": "Lake Success",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05331131"
    },
    {
      "nct_id": "NCT01893307",
      "title": "Intensity-Modulated Proton Beam Therapy or Intensity-Modulated Photon Therapy in Treating Patients With Stage III-IVB Oropharyngeal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Photon Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "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": 440,
      "start_date": "2013-08-26",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Gainesville, Florida + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01893307"
    },
    {
      "nct_id": "NCT02039778",
      "title": "Stem Cell Radiotherapy and Temozolomide for Newly Diagnosed High-grade Glioma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glioblastoma",
        "Malignant Glioma",
        "Brain Tumors",
        "Anaplastic Astrocytoma"
      ],
      "interventions": [
        {
          "name": "Stem Cell Radiotherapy (ScRT) and Temozolomide",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-12",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02039778"
    },
    {
      "nct_id": "NCT00321698",
      "title": "Radiation Therapy and Docetaxel in Treating Patients Who Are Undergoing Surgery for Localized Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Intensity-Modulated Radiation Therapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Docetaxel+IMRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 25,
      "start_date": "2006-04-21",
      "completion_date": "2023-08-18",
      "has_results": true,
      "last_update_posted_date": "2024-08-29",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00321698"
    },
    {
      "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": "2026-09-25T16:52:04.973Z",
      "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": "2026-09-25T16:52:04.973Z",
      "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"
    },
    {
      "nct_id": "NCT00359866",
      "title": "Pelvic IMRT With Tomotherapy: A Phase I Feasibility Study in Post-Hysterectomy Cervical Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Uterine Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "IMRT with tomotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 28,
      "start_date": "2006-02",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-06-15",
      "last_synced_at": "2026-09-25T16:52:04.973Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00359866"
    }
  ]
}