{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+fractionation",
    "query": {
      "intervention": "Standard fractionation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 69,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+fractionation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T05:29:58.030Z",
  "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": "NCT00379509",
      "title": "Lapatinib and Radiation Therapy in Treating Patients With Locally Recurrent or Chemotherapy-Refractory Locally Advanced or Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "lapatinib ditosylate",
          "type": "DRUG"
        },
        {
          "name": "TdT-mediated dUTP nick end labeling assay",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-04",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2017-03-21",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00379509"
    },
    {
      "nct_id": "NCT05691829",
      "title": "Immunotherapy With Non-Ablative Radiation in Previously Untreated Patients With Stage IV NSCLC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "NSCLC Stage IV"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 19,
      "start_date": "2023-01-24",
      "completion_date": "2025-04-21",
      "has_results": true,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05691829"
    },
    {
      "nct_id": "NCT03987386",
      "title": "Conventional or Hypofractionated Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer 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": 186,
      "start_date": "2019-05-30",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 3,
      "location_summary": "Houston, Texas • League City, Texas • Sugar Land, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "League City",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03987386"
    },
    {
      "nct_id": "NCT03040999",
      "title": "Study of Pembrolizumab (MK-3475) or Placebo With Chemoradiation in Participants With Locally Advanced Head and Neck Squamous Cell Carcinoma (MK-3475-412/KEYNOTE-412)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Neoplasms"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Accelerated Fractionation (AFX) Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Standard Fractionation (SFX) Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 804,
      "start_date": "2017-04-05",
      "completion_date": "2024-08-21",
      "has_results": true,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • San Francisco, California • Santa Rosa, California + 21 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03040999"
    },
    {
      "nct_id": "NCT00280787",
      "title": "Induction Chemotherapy Using Paclitaxel, Carboplatin, CPT-11 With Pegfilgrastim",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "CPT-11",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "DRUG"
        },
        {
          "name": "Conformal radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "UNC Lineberger 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": 24,
      "start_date": "2003-11",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2013-02-05",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280787"
    },
    {
      "nct_id": "NCT03935256",
      "title": "Adjuvant Sequential & Concurrent CarboTaxol + Radiotherapy for High Risk Endometrial Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Carboplatin and Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Loyola University",
      "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": 24,
      "start_date": "2019-03-05",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "Marywood, Illinois",
      "locations": [
        {
          "city": "Marywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03935256"
    },
    {
      "nct_id": "NCT04648904",
      "title": "Study of a Shortened Radiation Therapy Schedule in People With Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Invasive Breast Cancer",
        "Post-mastectomy"
      ],
      "interventions": [
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2020-11-24",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04648904"
    },
    {
      "nct_id": "NCT01500876",
      "title": "A Feasibility Study Using Four-Dimensional CT Imaging for Primary Lung Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "4D-CT pre-treatment scan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Louisville",
      "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": "2012-01",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2021-06-22",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01500876"
    },
    {
      "nct_id": "NCT05488626",
      "title": "Daily Adaptive Radiation Therapy: An Individualized Approach for Stage III Lung Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage III Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Adaptive Radiotherapy",
          "type": "DEVICE"
        },
        {
          "name": "Non-Adaptive Radiotherapy",
          "type": "DEVICE"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Immunotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Varian, a Siemens Healthineers Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-10-20",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05488626"
    },
    {
      "nct_id": "NCT06150417",
      "title": "MDRT in Prostate Cancer Treated With Long-term Androgen Deprivation Therapy in the STAMPEDE Trial (METANOVA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Malignant Neoplasm of Prostate",
        "Secondary Malignant Neoplasm of Prostate"
      ],
      "interventions": [
        {
          "name": "Androgen deprivation therapy (ADT)",
          "type": "DRUG"
        },
        {
          "name": "Androgen receptor signaling inhibitor (ARSI)",
          "type": "DRUG"
        },
        {
          "name": "Local Therapy: Radical Prostatectomy (RP) or Radiotherapy (RT)",
          "type": "OTHER"
        },
        {
          "name": "Metastasis directed radiotherapy (MDRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Case Comprehensive Cancer 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": 200,
      "start_date": "2024-07-01",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-10T05:29:58.030Z",
      "location_count": 3,
      "location_summary": "New York, New York • Cleveland, Ohio • Madison, Wisconsin",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06150417"
    }
  ]
}