{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Radiation+Therapy&page=22",
    "query": {
      "intervention": "No Radiation Therapy",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 707,
    "total_pages": 71,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Radiation+Therapy&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+Radiation+Therapy&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T12:36:13.641Z",
  "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": "NCT01851369",
      "title": "TRC102 and Temozolomide for Relapsed Solid Tumors and Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lymphomas",
        "Solid Tumors",
        "NSCLC",
        "Metastatic Colon Carcinoma",
        "Granulosa Cell Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "TRC102",
          "type": "DRUG"
        },
        {
          "name": "CT scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lomotil",
          "type": "OTHER"
        },
        {
          "name": "Prochlorperazine",
          "type": "OTHER"
        },
        {
          "name": "Metoclopramide",
          "type": "OTHER"
        },
        {
          "name": "5-HT3 antagonist",
          "type": "OTHER"
        },
        {
          "name": "Aprepitant",
          "type": "OTHER"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 93,
      "start_date": "2013-07-12",
      "completion_date": "2023-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01851369"
    },
    {
      "nct_id": "NCT04681456",
      "title": "Skin Cancer Oncology Radiation Evidence Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-melanoma Skin Cancer"
      ],
      "interventions": [
        {
          "name": "There is no medical intervention for the purposes of this Registry.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "GenesisCare USA",
      "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": 350,
      "start_date": "2021-02-15",
      "completion_date": "2021-05-06",
      "has_results": false,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Fort Myers, Florida",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04681456"
    },
    {
      "nct_id": "NCT05166395",
      "title": "Laser Treated Scars and Optical Coherence Tomography (OCT)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Scar"
      ],
      "interventions": [
        {
          "name": "Er:YAG laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "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": "2024-05-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05166395"
    },
    {
      "nct_id": "NCT01713439",
      "title": "Allogeneic Neuroblastoma Cells for Relapsed/ Refractory Neuroblastoma, CYCHEALL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Injection of allogeneic neuroblastoma cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 32,
      "start_date": "1997-12",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2023-07-12",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01713439"
    },
    {
      "nct_id": "NCT04751370",
      "title": "Testing Nivolumab and Ipilimumab With Short-Course Radiation in Locally Advanced Rectal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Rectal Adenocarcinoma",
        "Stage II Rectal Cancer AJCC v8",
        "Stage III Rectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Sigmoidoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Mesorectal Excision",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "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": 31,
      "start_date": "2022-02-08",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 213,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Phoenix, Arizona + 145 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751370"
    },
    {
      "nct_id": "NCT04457245",
      "title": "Randomized Trial of PSMA PET Scan Before Definitive Radiation Therapy for Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stage I Prostate Cancer American Joint Committee on Cancer (AJCC) v8",
        "Stage II Prostate Cancer AJCC v8",
        "Stage IIA Prostate Cancer AJCC v8",
        "Stage IIB Prostate Cancer AJCC v8",
        "Stage IIC Prostate Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IIIA Prostate Cancer AJCC v8",
        "Stage IIIB Prostate Cancer AJCC v8",
        "Stage IIIC Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorine F 18 DCFPyL",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Jonsson 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": 54,
      "start_date": "2020-08-14",
      "completion_date": "2023-01-10",
      "has_results": false,
      "last_update_posted_date": "2023-01-17",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04457245"
    },
    {
      "nct_id": "NCT02003482",
      "title": "Prospective Trial of Serial CT Imaging for Evaluation of Dosimetric/Volumetric Changes During IMRT for Head/Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer",
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Postop IMRT for head/neck cancer",
          "type": "RADIATION"
        },
        {
          "name": "CT for Radiation Treatment Planning",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2006-05-09",
      "completion_date": "2018-03-26",
      "has_results": false,
      "last_update_posted_date": "2018-03-29",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003482"
    },
    {
      "nct_id": "NCT00002823",
      "title": "Combination Chemotherapy Compared With No Treatment Following Surgery in Treating Patients With Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "vinblastine sulfate",
          "type": "DRUG"
        },
        {
          "name": "vindesine",
          "type": "DRUG"
        },
        {
          "name": "vinorelbine tartrate",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Gustave Roussy, Cancer Campus, Grand Paris",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 3300,
      "start_date": "1995-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-28",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 2,
      "location_summary": "Atlantis, Florida • Boston, Massachusetts",
      "locations": [
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002823"
    },
    {
      "nct_id": "NCT01111942",
      "title": "A Pilot Study of Induction Chemotherapy Followed by Surgery for Locally Advanced Resectable Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "radiation combined with weekly carboplatin",
          "type": "OTHER"
        },
        {
          "name": "conservation surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Southern Illinois University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2010-02",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2015-08-05",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "Springfield, Illinois",
      "locations": [
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01111942"
    },
    {
      "nct_id": "NCT03621696",
      "title": "Surgery Followed by Risk-Directed Post-Operative Adjuvant Therapy for HPV-Related Oropharynx Squamous Cell Carcinoma: \"The Minimalist Trial (MINT)\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV Related Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Intensity modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity modulated proton therapy",
          "type": "RADIATION"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "FACT-H&N",
          "type": "OTHER"
        },
        {
          "name": "MD Anderson Dysphagia Inventory",
          "type": "OTHER"
        },
        {
          "name": "University of Michigan Xerostomia Index",
          "type": "OTHER"
        },
        {
          "name": "Scale of Subjective Total Taste Acuity",
          "type": "OTHER"
        },
        {
          "name": "Neck Dissection Impairment Index",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "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": 63,
      "start_date": "2018-10-23",
      "completion_date": "2026-03-17",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-10-31T12:36:13.641Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03621696"
    }
  ]
}