{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+beam+radiation+therapy.&page=32",
    "query": {
      "intervention": "Proton beam radiation therapy.",
      "page": 32
    },
    "page_size": 10
  },
  "pagination": {
    "page": 32,
    "page_size": 10,
    "total_count": 855,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+beam+radiation+therapy.&page=33&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+beam+radiation+therapy.&page=31&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T10:53:55.925Z",
  "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": "NCT00963807",
      "title": "A Comparison of FLT to FDG PET/CT in the Early Assessment of Chemotherapy Response in Stage IB-IIIA Resectable NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Non-Small Cell Lung Carcinoma",
        "Stage IB Non-Small Cell Lung Carcinoma",
        "Stage IIA Non-Small Cell Lung Carcinoma",
        "Stage IIB Non-Small Cell Lung Carcinoma",
        "Stage IIIA Non-Small Cell Lung Cancer",
        "Stage IV Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "CT",
          "type": "PROCEDURE"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "FDG",
          "type": "DRUG"
        },
        {
          "name": "FLT",
          "type": "DRUG"
        },
        {
          "name": "PET/CT",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2009-09",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Columbus, Ohio",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963807"
    },
    {
      "nct_id": "NCT00888017",
      "title": "Proton Pump Inhibitor Therapy and Bone Density in Premature Infants",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteopenia",
        "Prematurity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2009-04",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-01-23",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888017"
    },
    {
      "nct_id": "NCT01042496",
      "title": "Bipolar Depression Before and After Lamotrigine Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Depression"
      ],
      "interventions": [
        {
          "name": "Lamotrigine",
          "type": "DRUG"
        },
        {
          "name": "1H-MR",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 72,
      "start_date": "2009-12",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042496"
    },
    {
      "nct_id": "NCT01458990",
      "title": "Proton Pump Inhibitors and Dysbiosis in Cirrhosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cirrhosis",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hunter Holmes Mcguire Veteran Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2011-10",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2018-03-19",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01458990"
    },
    {
      "nct_id": "NCT02725840",
      "title": "Breast Cancer Lung Late Effects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radiation Injury",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Proton beam radiation therapy.",
          "type": "RADIATION"
        },
        {
          "name": "X-ray based radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Computed Tomography (CT) Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Test (PFT)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "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": 41,
      "start_date": "2016-05",
      "completion_date": "2022-01-14",
      "has_results": false,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02725840"
    },
    {
      "nct_id": "NCT07022990",
      "title": "Improving Medication Management in World Trade Center Responders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polypharmacy"
      ],
      "interventions": [
        {
          "name": "Educational brochure for deprescribing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2025-04-08",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07022990"
    },
    {
      "nct_id": "NCT01346124",
      "title": "High Dose Intensity Modulated Proton Radiation Treatment +/- Surgical Resection of Sarcomas of the Spine, Sacrum and Base of Skull",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chordoma of Spine",
        "Chordoma of Sacrum",
        "Chordoma of Base of Skull",
        "Chondrosarcoma of the Spine",
        "Chondrosarcoma of the Sacrum"
      ],
      "interventions": [
        {
          "name": "High Dose Intensity Modulated Proton Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2012-12",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01346124"
    },
    {
      "nct_id": "NCT04190446",
      "title": "A Study To Evaluate Hypofractionated Proton Therapy Or IMRT For Recurrent, Oligometastatic Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Prostate Adenocarcinoma",
        "Oligometastatic Prostate Carcinoma",
        "Prostate Adenocarcinoma",
        "Recurrent Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 84,
      "start_date": "2020-01-06",
      "completion_date": "2028-11-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04190446"
    },
    {
      "nct_id": "NCT05250895",
      "title": "BOLD MRI and FMISO PET for the Assessment of Hypoxic Tumor Microenvironment in Patients with Oligometastatic Liver Cancer Undergoing Yttirum-90 Selective Internal Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "BCLC Stage a Hepatocellular Carcinoma",
        "BCLC Stage B Hepatocellular Carcinoma",
        "BCLC Stage C Hepatocellular Carcinoma",
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "18F-Fluoromisonidazole",
          "type": "OTHER"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Dynamic Contrast-Enhanced Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2022-04-28",
      "completion_date": "2025-02-26",
      "has_results": false,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05250895"
    },
    {
      "nct_id": "NCT03564275",
      "title": "Proton Boost in Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of the Prostate"
      ],
      "interventions": [
        {
          "name": "Proton Boost",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Cincinnati",
      "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": 10,
      "start_date": "2018-04-16",
      "completion_date": "2033-04",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-10-16T10:53:55.925Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03564275"
    }
  ]
}