{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Radiation+Therapy+%28RT%29&page=4",
    "query": {
      "intervention": "Standard of Care Radiation Therapy (RT)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 198,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Radiation+Therapy+%28RT%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Radiation+Therapy+%28RT%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T02:34:17.237Z",
  "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": "NCT03712605",
      "title": "Testing Pembrolizumab Versus Observation in Patients With Merkel Cell Carcinoma After Surgery, STAMP Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pathologic Stage I Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Pathologic Stage II Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Pathologic Stage III Cutaneous Merkel Cell Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BIOLOGICAL",
        "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": 280,
      "start_date": "2018-11-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 552,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 357 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03712605"
    },
    {
      "nct_id": "NCT06858735",
      "title": "HYPERION CCA: a Phase 2 Trial of Systemic Therapy With or Without Liver-directed Radiation Therapy for Patients With Advanced Intrahepatic Cholangiocarcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Intrahepatic Cholangiocarcinoma"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 60,
      "start_date": "2025-06-10",
      "completion_date": "2030-11-19",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06858735"
    },
    {
      "nct_id": "NCT05271240",
      "title": "Repeated Superselective Intraarterial Cerebral Infusion (SIACI) of Bevacizumab With Temozolomide and Radiation Compared to Temozolomide and Radiation Alone in Newly Diagnosed GBM",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Glioblastoma",
        "Glioblastoma Multiforme",
        "Glioma, Malignant",
        "GBM",
        "Brain Cancer",
        "Glioblastoma, IDH-wildtype",
        "Glioblastoma Multiforme, Adult"
      ],
      "interventions": [
        {
          "name": "Repeated Superselective Intraarterial Cerebral infusion (SIACI) of Bevacizumab (Avastin) with Temozolomide and Radiation",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide and Radiation Alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 432,
      "start_date": "2022-04-27",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05271240"
    },
    {
      "nct_id": "NCT03076255",
      "title": "Using a Head and Neck Maskless Immobilization Device For Patients With Intracranial Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain and Nervous System",
        "Intracranial Neoplasm",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Device",
          "type": "DEVICE"
        },
        {
          "name": "Cone-Beam Computed Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "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": "2017-02-24",
      "completion_date": "2020-11-03",
      "has_results": true,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03076255"
    },
    {
      "nct_id": "NCT06831526",
      "title": "Neoadjuvant Chemoradiotherapy With or Without Concurrent Azeliragon in Patients With Newly Diagnosed Glioblastoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Azeliragon",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Surgery or LITT",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School 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": 12,
      "start_date": "2025-11-06",
      "completion_date": "2030-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06831526"
    },
    {
      "nct_id": "NCT03635164",
      "title": "Radiotherapy With Durvalumab Prior to Surgical Resection for HPV Negative Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT)",
          "type": "RADIATION"
        },
        {
          "name": "Standard of Care Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2018-11-12",
      "completion_date": "2023-05-02",
      "has_results": false,
      "last_update_posted_date": "2025-06-27",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Colorado Springs, Colorado • Fort Collins, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03635164"
    },
    {
      "nct_id": "NCT01507428",
      "title": "Positron Emission Tomography and Computed Tomography in Guiding Radiation Therapy for Stage III Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage III Lung Non-Small Cell Cancer AJCC v7",
        "Stage IIIA Lung Non-Small Cell Cancer AJCC v7",
        "Stage IIIB Lung Non-Small Cell Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "18F-Fluoromisonidazole",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "DRUG"
        },
        {
          "name": "Image-Guided Adaptive Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "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": 138,
      "start_date": "2012-02-22",
      "completion_date": "2022-05-20",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 29,
      "location_summary": "Palo Alto, California • Augusta, Georgia • Chicago, Illinois + 23 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01507428"
    },
    {
      "nct_id": "NCT05996107",
      "title": "Study of Ribociclib Administered Concurrently With Postoperative Radiation Therapy in Patients With High-Risk, HR+/HER2- Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Postoperative Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel 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": 30,
      "start_date": "2024-02-27",
      "completion_date": "2030-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 3,
      "location_summary": "Ann Arbor, Michigan • Wyoming, Michigan • Cleveland, Ohio",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Wyoming",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05996107"
    },
    {
      "nct_id": "NCT05161533",
      "title": "Hypofractionated Radiation Therapy After Durvalumab and Chemotherapy for the Treatment of Stage IV Extensive Stage Small Cell Lung Cancer, CASPIAN-RT Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": "2023-10-19",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-18",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05161533"
    },
    {
      "nct_id": "NCT04183218",
      "title": "Characterizing Chemo-Radiotherapy Treatment-Related Cardiac Changes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Clinical Stage 0 Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage 0 Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage I Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage II Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IIA Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IIB Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Localized Esophageal Carcinoma",
        "Localized Lung Carcinoma",
        "Pathologic Stage 0 Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage 0 Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage I Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage I Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IC Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage II Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage II Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage III Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage I Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage I Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage II Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage II Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Stage 0 Lung Cancer AJCC v8",
        "Stage I Lung Cancer AJCC v8",
        "Stage IA1 Lung Cancer AJCC v8",
        "Stage IA2 Lung Cancer AJCC v8",
        "Stage IA3 Lung Cancer AJCC v8",
        "Stage IB Lung Cancer AJCC v8",
        "Stage II Lung Cancer AJCC v8",
        "Stage IIA Lung Cancer AJCC v8",
        "Stage IIB Lung Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac Event Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Chemoradiotherapy",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER",
        "RADIATION"
      ],
      "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": 24,
      "start_date": "2019-09-23",
      "completion_date": "2024-05-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-11T02:34:17.237Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04183218"
    }
  ]
}