{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=intensity-modulated+radiation+therapy&page=4",
    "query": {
      "intervention": "intensity-modulated radiation therapy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 524,
    "total_pages": 53,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=intensity-modulated+radiation+therapy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=intensity-modulated+radiation+therapy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:25:53.836Z",
  "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": "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": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02905591"
    },
    {
      "nct_id": "NCT01075412",
      "title": "FLT PET Imaging for Cervical Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Uterine Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "[F18]Fluorothymidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Iowa",
      "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": 6,
      "start_date": "2009-09",
      "completion_date": "2016-04-11",
      "has_results": true,
      "last_update_posted_date": "2017-12-02",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01075412"
    },
    {
      "nct_id": "NCT03162731",
      "title": "Nivolumab, Ipilimumab, and Radiation Therapy in Treating Patients With Stage III-IVB Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Larynx",
        "Lip, Oral Cavity and Pharynx"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Simultaneous-Integrated Boost Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Volume Modulated Arc Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2017-05-11",
      "completion_date": "2022-11-16",
      "has_results": false,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03162731"
    },
    {
      "nct_id": "NCT00895245",
      "title": "Fosaprepitant Dimeglumine, Palonosetron Hydrochloride, and Dexamethasone in Preventing Nausea and Vomiting Caused by Cisplatin in Patients With Stage III or Stage IV Head and Neck Cancer Undergoing Chemotherapy and Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nausea and Vomiting",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Oropharynx"
      ],
      "interventions": [
        {
          "name": "fosaprepitant dimeglumine",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "palonosetron hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Functional Living Index-Emesis Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Emesis Diary",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL",
        "RADIATION"
      ],
      "sponsor": "University of Washington",
      "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": 6,
      "start_date": "2009-02",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2017-05-18",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00895245"
    },
    {
      "nct_id": "NCT01898494",
      "title": "Transoral Surgery Followed By Low-Dose or Standard-Dose Radiation Therapy With or Without Chemotherapy in Treating Patients With HPV Positive Stage III-IVA Oropharyngeal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Human Papilloma Virus Infection",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx"
      ],
      "interventions": [
        {
          "name": "Transoral surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 519,
      "start_date": "2014-01-22",
      "completion_date": "2026-12",
      "has_results": true,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 58,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01898494"
    },
    {
      "nct_id": "NCT07353229",
      "title": "68Ga-Dotatate PET and MRI Guided Radiation Dose Escalation for High Risk Meningioma",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Risk Meningioma",
        "Recurrent Meningioma"
      ],
      "interventions": [
        {
          "name": "⁶⁸Ga-Dotatate PET and MRI Guided Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "68Ga-Dotatate PET Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MD Anderson Symptom Inventory Bain Tumor form (MDASI-BT)",
          "type": "OTHER"
        },
        {
          "name": "EuroQol-5 Dimension (ED-5D)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2025-09-05",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07353229"
    },
    {
      "nct_id": "NCT00581529",
      "title": "Partial Breast Irradiation Using Accelerated Intensity Modulated Radiotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "IMRT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 34,
      "start_date": "2004-11",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581529"
    },
    {
      "nct_id": "NCT01854554",
      "title": "Glioblastoma Multiforme (GBM) Proton vs. Intensity Modulated Radiotherapy (IMRT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Cancer"
      ],
      "interventions": [
        {
          "name": "IMPT",
          "type": "RADIATION"
        },
        {
          "name": "IMRT",
          "type": "RADIATION"
        },
        {
          "name": "Cognitive Tests",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "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": 90,
      "start_date": "2013-05-17",
      "completion_date": "2021-10-13",
      "has_results": true,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01854554"
    },
    {
      "nct_id": "NCT02923570",
      "title": "Study of Proton Versus Photon Beam Radiotherapy in the Treatment of Head and Neck Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Photon intensity modulated radiation therapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Proton beam radiotherapy (PBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 108,
      "start_date": "2016-10-03",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 9,
      "location_summary": "Miami, Florida • Rochester, Minnesota • Basking Ridge, New Jersey + 6 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02923570"
    },
    {
      "nct_id": "NCT01062425",
      "title": "Temozolomide and Radiation Therapy With or Without Cediranib Maleate in Treating Patients With Newly Diagnosed Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Glioblastoma",
        "Adult Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Cediranib Maleate",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "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": 261,
      "start_date": "2010-02-26",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-10-06T14:25:53.836Z",
      "location_count": 105,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 84 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01062425"
    }
  ]
}