{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Photon+Radiation+Therapy&page=2",
    "query": {
      "intervention": "Photon Radiation Therapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 249,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Photon+Radiation+Therapy&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Photon+Radiation+Therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T13:33:42.408Z",
  "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": "NCT06129851",
      "title": "Relugolix in Combination With Radiation Therapy for Treating Patients With High Risk Prostate Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage IIC Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "PSMA PET Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "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": 90,
      "start_date": "2023-11-20",
      "completion_date": "2026-10-23",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129851"
    },
    {
      "nct_id": "NCT02927912",
      "title": "Intraoperative Electron Beam Radiotherapy Boost in Treating Patients With Stage I-II Breast Cancer Undergoing Surgery With Reconstruction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Electron Beam Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Lumpectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Reconstructive Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive 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": 108,
      "start_date": "2017-10-16",
      "completion_date": "2026-11-30",
      "has_results": true,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 4,
      "location_summary": "Chapel Hill, North Carolina • Cleveland, Ohio • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927912"
    },
    {
      "nct_id": "NCT00002625",
      "title": "Topotecan and Radiation Therapy in Treating Patients With Solid Tumors or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Lung Cancer",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "low-LET electron therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET photon therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": 5,
      "start_date": "1995-03",
      "completion_date": "2000-09",
      "has_results": false,
      "last_update_posted_date": "2013-02-11",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002625"
    },
    {
      "nct_id": "NCT07244445",
      "title": "Pistachio Intake and Nutrition-Related Outcomes in Individuals on GLP-1 Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Change",
        "Obesity & Overweight",
        "Food Acceptance"
      ],
      "interventions": [
        {
          "name": "Pistachios",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dual-energy X-ray absorptiometry (DEXA) scans",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "PROCEDURE"
      ],
      "sponsor": "Ian J. Neeland, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 108,
      "start_date": "2026-01-29",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 1,
      "location_summary": "Clevland, Ohio",
      "locations": [
        {
          "city": "Clevland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07244445"
    },
    {
      "nct_id": "NCT00002670",
      "title": "Radiation Therapy With or Without Chemotherapy in Treating Patients With Head and Neck Cancer That Has Been Removed During Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "low-LET cobalt-60 gamma ray therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET electron therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET photon therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 459,
      "start_date": "1995-09",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-24",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 22,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Decatur, Georgia + 17 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002670"
    },
    {
      "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": "2026-10-06T13:33:42.408Z",
      "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": "NCT05590949",
      "title": "Observational Study of Bone Complications in People With Post-menopausal Breast Cancer Who Have Stopped Treatment With Denosumab and Aromatase Inhibitors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Physical Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Dual-energy X-ray absorptiometry scans",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Trabecular Bone Score",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 100,
      "start_date": "2022-10-18",
      "completion_date": "2026-10-18",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05590949"
    },
    {
      "nct_id": "NCT02709226",
      "title": "Dose Escalation Trial of Re-irradiation in Good Prognosis Recurrent Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Astrocytoma, Grade IV",
        "Giant Cell Glioblastoma",
        "Glioblastoma Multiforme",
        "Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 17,
      "start_date": "2016-06-15",
      "completion_date": "2023-07-19",
      "has_results": false,
      "last_update_posted_date": "2025-12-31",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02709226"
    },
    {
      "nct_id": "NCT01696721",
      "title": "Proton and Photon Consortium Registry (PPCR): A Multi Center Registry of Pediatric Patients Treated With Radiation Therapy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Patients Treated With Radiation Therapy"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 5000,
      "start_date": "2012-07",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 24,
      "location_summary": "Palo Alto, California • San Diego, California • San Francisco, California + 20 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696721"
    },
    {
      "nct_id": "NCT03871153",
      "title": "Chemoradiation Plus Durvalumab Followed by Surgery Followed by Adjuvant Durvalumab in Patients With Surgically Resectable Stage III (N2) Non-Small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer",
        "Stage III Non-small-cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DEVICE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Greg Durm, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2019-08-02",
      "completion_date": "2022-03-09",
      "has_results": true,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-10-06T13:33:42.408Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana • New York, New York + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03871153"
    }
  ]
}