{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=proton+beam+radiation+therapy&page=4",
    "query": {
      "intervention": "proton beam radiation therapy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 854,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=proton+beam+radiation+therapy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=proton+beam+radiation+therapy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T06:49:00.678Z",
  "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": "NCT07076485",
      "title": "Shortening Adjuvant Photon and Proton Irradiation (SAPPHIRe-II): A 4 Cohort, Randomized, Phase II Multi-center Trial Evaluating Shorter Schedules of Adjuvant Regional Nodal Irradiation Among Women and Men With Node-positive and High-risk Node-negative Invasive Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ultrahypofractionated Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Moderately Hypofractionated Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 768,
      "start_date": "2025-08-19",
      "completion_date": "2031-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 5,
      "location_summary": "Loveland, Colorado • Jacksonville, Florida • Voorhees Township, New Jersey + 2 more",
      "locations": [
        {
          "city": "Loveland",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07076485"
    },
    {
      "nct_id": "NCT06536049",
      "title": "Epcoritamab Plus Ibrutinib for the Treatment of Relapsed or Refractory Aggressive B-Cell Non-Hodgkin Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
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        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Grade 3b Follicular Lymphoma",
        "Recurrent High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements",
        "Recurrent High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements",
        "Recurrent High Grade B-Cell Lymphoma, Not Otherwise Specified",
        "Recurrent Primary Mediastinal Large B-Cell Lymphoma",
        "Recurrent Transformed Non-Hodgkin Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Grade 3b Follicular Lymphoma",
        "Refractory High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements",
        "Refractory High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements",
        "Refractory High Grade B-Cell Lymphoma, Not Otherwise Specified",
        "Refractory Primary Mediastinal Large B-Cell Lymphoma",
        "Refractory Transformed Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Epcoritamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Yazeed Sawalha",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2025-04-02",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Columbus, Ohio • Richmond, Virginia",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06536049"
    },
    {
      "nct_id": "NCT02073968",
      "title": "PET-Adjusted Intensity Modulated Radiation Therapy and Combination Chemotherapy in Treating Patients With Stage II-IV Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Recurrent 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 IIIB Non-Small Cell Lung Cancer",
        "Stage IV Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2013-07",
      "completion_date": "2020-11",
      "has_results": true,
      "last_update_posted_date": "2024-01-25",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 2,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02073968"
    },
    {
      "nct_id": "NCT06242834",
      "title": "Pembrolizumab and Tazemetostat to Overcome Immune Tolerance Following ASCT or CAR T-cell Therapy in Patients With Aggressive B-Cell Non-Hodgkin's Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2024-09-30",
      "completion_date": "2028-11-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Iowa City, Iowa",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06242834"
    },
    {
      "nct_id": "NCT02947984",
      "title": "Proton/Photon Rt - Benign Meningiomas(P92-13)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Benign Meningioma"
      ],
      "interventions": [
        {
          "name": "Standard Treatment",
          "type": "RADIATION"
        },
        {
          "name": "Higher Dose",
          "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": 44,
      "start_date": "1999-03",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947984"
    },
    {
      "nct_id": "NCT05558904",
      "title": "An Investigational Scan (Me-4FDG PET/CT) for the Detection of Sodium-Glucose Transport for Early Diagnosis of Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Alpha-methyl-4-deoxy-4-[(18)F]fluoro-D-glucopyranoside",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive 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": 60,
      "start_date": "2023-01-19",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05558904"
    },
    {
      "nct_id": "NCT00645385",
      "title": "Examination of Changes on Magnetic Resonance Imaging (MRI) and Magnetic Resonance Spectroscopy (MRS) in Patients Who Receive Gliadel Wafers During Initial Surgery for Glioblastoma Multiforme. Response or Failure to Gliadel Wafers for Subjects With Glioblastoma Multiforme.",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glioblastoma Multiforme",
        "Anaplastic Astrocytoma",
        "Anaplastic Oligodendroglioma"
      ],
      "interventions": [
        {
          "name": "MRS Spectroscopy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-06",
      "completion_date": "2011-06-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-04",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00645385"
    },
    {
      "nct_id": "NCT01263821",
      "title": "Image Guided Therapy in the Treatment of Gliomas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glioma"
      ],
      "interventions": [
        {
          "name": "Diffusion-weighted magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Perfusion-weighted magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Functional magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic resonance spectroscopic imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation therapy treatment planning/simulation",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-modulated radiation therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2009-08",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01263821"
    },
    {
      "nct_id": "NCT02444741",
      "title": "Pembrolizumab and Stereotactic Body Radiation Therapy or Non-Stereotactic Wide-Field Radiation Therapy in Treating Patients With Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Malignant Solid Neoplasm",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Stage IV Lung Non-Small Cell Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "BIOLOGICAL"
      ],
      "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": 124,
      "start_date": "2015-09-17",
      "completion_date": "2026-02-17",
      "has_results": true,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444741"
    },
    {
      "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": "2026-10-08T06:49:00.678Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042496"
    }
  ]
}