{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+beam+radiation+therapy.&page=25",
    "query": {
      "intervention": "Proton beam radiation therapy.",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "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=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+beam+radiation+therapy.&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T19:41:10.314Z",
  "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": "NCT00662506",
      "title": "Cediranib, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Cediranib Maleate",
          "type": "DRUG"
        },
        {
          "name": "Diffusion Tensor Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Diffusion Weighted Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Dynamic Contrast-Enhanced Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Perfusion Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "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": 46,
      "start_date": "2008-04",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2023-06-06",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662506"
    },
    {
      "nct_id": "NCT02736786",
      "title": "A Study of Mucosal Sparing Proton Beam Therapy (PBT) in Resected Oropharyngeal Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oropharyngeal Tumor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2016-03",
      "completion_date": "2021-08-23",
      "has_results": false,
      "last_update_posted_date": "2021-08-24",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02736786"
    },
    {
      "nct_id": "NCT04219904",
      "title": "PET/MRI Scan for the Evaluation of Resectable Stage IA1-IB3 Cervical Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Stage IA Cervical Cancer",
        "Stage IA1 Cervical Cancer",
        "Stage IA2 Cervical Cancer",
        "Stage IB Cervical Cancer",
        "Stage IB1 Cervical Cancer",
        "Stage IB2 Cervical Cancer",
        "Stage IB3 Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Gadobutrol",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 25,
      "start_date": "2018-09-07",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219904"
    },
    {
      "nct_id": "NCT03582774",
      "title": "Multicenter Randomized Trial of 68Ga-PSMA-11 PET/CT Based SRT After Radical Prostatectomy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Recurrent Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68-labeled PSMA-11",
          "type": "RADIATION"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 193,
      "start_date": "2018-07-12",
      "completion_date": "2028-07-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • San Francisco, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03582774"
    },
    {
      "nct_id": "NCT03818776",
      "title": "Proton Based Cardiac Sparing Accelerated Fractionated RadioTherapy in Unresectable NSCLC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Proton beam therapy RT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2019-08-30",
      "completion_date": "2022-01-27",
      "has_results": false,
      "last_update_posted_date": "2024-02-15",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03818776"
    },
    {
      "nct_id": "NCT06480708",
      "title": "Evaluation of the Ketogenic Diet to Improve Post Operative Cognitive Decline in Cardiac Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Cognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Ketogenic diet",
          "type": "OTHER"
        },
        {
          "name": "Control diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2026-01-15",
      "completion_date": "2026-05-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06480708"
    },
    {
      "nct_id": "NCT03463889",
      "title": "Gallium-68 Prostate Specific Membrane Antigen PET in Diagnosing Patients With Thyroid Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Gland Carcinoma"
      ],
      "interventions": [
        {
          "name": "Gallium Ga 68-labeled PSMA-11",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2018-03-19",
      "completion_date": "2020-10-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-29",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03463889"
    },
    {
      "nct_id": "NCT01042704",
      "title": "Bendamustine in Combination With Lenalidomide and Dexamethasone in Refractory or Relapsed Multiple Myeloma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myeloma"
      ],
      "interventions": [
        {
          "name": "Bendamustine",
          "type": "DRUG"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Prophylaxis",
          "type": "DRUG"
        },
        {
          "name": "Antibiotic",
          "type": "DRUG"
        },
        {
          "name": "Biweekly Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Cyclical Follow Up",
          "type": "OTHER"
        },
        {
          "name": "Restaging",
          "type": "OTHER"
        },
        {
          "name": "Post-Treatment Follow Up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Robert Redner, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2008-02",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 22,
      "location_summary": "Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Steubenville",
          "state": "Ohio"
        },
        {
          "city": "Beaver",
          "state": "Pennsylvania"
        },
        {
          "city": "Clairton",
          "state": "Pennsylvania"
        },
        {
          "city": "Greensburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042704"
    },
    {
      "nct_id": "NCT01833390",
      "title": "MagniXene MRI Use in Patients With Asthma and COPD to Assess Regional Lung Function by Delineating Ventilation Defects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "COPD",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "HXe MRI lung ventilation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Xemed LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 58,
      "start_date": "2011-09",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-11",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01833390"
    },
    {
      "nct_id": "NCT04764942",
      "title": "Selinexor, Pomalidomide, and Dexamethasone With or Without Carfilzomib for the Treatment of Patients With Relapsed Refractory Multiple Myeloma, The SCOPE Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Multiple Myeloma",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Carfilzomib",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Selinexor",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2021-05-06",
      "completion_date": "2027-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-10-15T19:41:10.314Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04764942"
    }
  ]
}