{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-operative+Radiotherapy&page=2",
    "query": {
      "intervention": "Post-operative Radiotherapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 860,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-operative+Radiotherapy&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-operative+Radiotherapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T06:34:41.495Z",
  "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": "NCT05987644",
      "title": "Delayed or Upfront Brain RAdiotherapy in Treatment naïve Lung Cancer Patients With Asymptomatic or Minimally Symptomatic Brain Metastases and ALK rEarrangements",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer",
        "NSCLC",
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Alectinib",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Joshua Palmer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2024-03-07",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 3,
      "location_summary": "Stanford, California • Aurora, Colorado • Columbus, Ohio",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05987644"
    },
    {
      "nct_id": "NCT00002807",
      "title": "Radiation or Observation Only in Endometrial Cancer Who Have Undergone Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "NCIC Clinical Trials Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "Up to 120 Years · Female only"
      },
      "enrollment_count": 116,
      "start_date": "1996-07-04",
      "completion_date": "2009-12-21",
      "has_results": false,
      "last_update_posted_date": "2020-04-06",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002807"
    },
    {
      "nct_id": "NCT03539198",
      "title": "Study of Proton SBRT and Immunotherapy for Recurrent/Progressive Locoregional or Metastatic Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Proton Stereotactic Body Radiation Therapy (SBRT) (5 fractions; 3500-4500 cGy)",
          "type": "RADIATION"
        },
        {
          "name": "Proton Stereotactic Body Radiation Therapy (SBRT) (3-5 fractions; various dose and fractionation regimens depending on treatment site).",
          "type": "RADIATION"
        },
        {
          "name": "Nivolumab 3 mg/kg IV q2 weeks",
          "type": "DRUG"
        },
        {
          "name": "Proton or Photon SBRT (3-5 fractions; various dose and fractionation regimens depending on treatment site).",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "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": 19,
      "start_date": "2018-07-03",
      "completion_date": "2020-01-06",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03539198"
    },
    {
      "nct_id": "NCT01923506",
      "title": "Stereotactic Body Radiation Therapy in Treating Patients With Prostate Cancer After Undergoing Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Prostate Cancer",
        "Stage I Prostate Cancer",
        "Stage IIA Prostate Cancer",
        "Stage IIB Prostate Cancer",
        "Stage III Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "stereotactic body radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "19 Years and older · Male only"
      },
      "enrollment_count": 26,
      "start_date": "2013-11-25",
      "completion_date": "2027-06-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01923506"
    },
    {
      "nct_id": "NCT02400814",
      "title": "MPDL3280A and Stereotactic Ablative Radiotherapy in Patients With Non-small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Non-Small Cell Lung Carcinoma",
        "Stage IV Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Anti-PD-L1 Monoclonal Antibody MPDL3280A",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Megan Daly, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2015-12-03",
      "completion_date": "2021-09-29",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02400814"
    },
    {
      "nct_id": "NCT01240304",
      "title": "A Phase II Study to Assess the Efficacy and Safety of Preoperative Chemo With Radiation Therapy for Patients With Borderline Unresectable Adenocarcinoma of the Pancreas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "pancreaticoduodenectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2010-11",
      "completion_date": "2019-10",
      "has_results": true,
      "last_update_posted_date": "2019-12-10",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240304"
    },
    {
      "nct_id": "NCT02039778",
      "title": "Stem Cell Radiotherapy and Temozolomide for Newly Diagnosed High-grade Glioma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glioblastoma",
        "Malignant Glioma",
        "Brain Tumors",
        "Anaplastic Astrocytoma"
      ],
      "interventions": [
        {
          "name": "Stem Cell Radiotherapy (ScRT) and Temozolomide",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Beth Israel Medical Center",
      "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": 4,
      "start_date": "2013-12",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02039778"
    },
    {
      "nct_id": "NCT04867278",
      "title": "Heterotopic Ossification Prophylaxis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acetabular Fracture",
        "Heterotopic Ossification"
      ],
      "interventions": [
        {
          "name": "External Beam Radiation (XRT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Debridement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 117,
      "start_date": "2021-05-09",
      "completion_date": "2023-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-12-16",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04867278"
    },
    {
      "nct_id": "NCT02465723",
      "title": "Detection of Acid Sphingomyelinase/Ceramide Pathway Activation in Radiotherapy Patients Using Intravoxel Incoherent Motion (IVIM) Diffusion-weighted Magnetic Resonance Imaging and Serum Biomarkers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Disease to Bone",
        "Metastatic Disease to Soft Tissue"
      ],
      "interventions": [
        {
          "name": "MRI with IVIM DW-MRI",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 0,
      "start_date": "2015-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-09-21",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02465723"
    },
    {
      "nct_id": "NCT00513474",
      "title": "Rasburicase in Preventing Graft-Versus-Host Disease in Patients With Hematologic Cancer or Other Disease Undergoing Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporin-A",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "rasburicase",
          "type": "DRUG"
        },
        {
          "name": "sirolimus",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "fludarabine",
          "type": "DRUG"
        },
        {
          "name": "allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 46,
      "start_date": "2008-01",
      "completion_date": "2013-02-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-09-30T06:34:41.495Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00513474"
    }
  ]
}