{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Radiation+Tolerance",
    "query": {
      "condition": "Radiation Tolerance"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Radiation+Tolerance&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T02:52:52.804Z",
  "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": "NCT00777231",
      "title": "Phase I/II Pilot Study of Mixed Chimerism to Treat Hemoglobinopathies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Enriched Hematopoetic Stem Cell Infusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Talaris Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9,
      "start_date": "2005-01",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 3,
      "location_summary": "Louisville, Kentucky • Durham, North Carolina • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777231"
    },
    {
      "nct_id": "NCT01752751",
      "title": "Predicting Tolerance to Radiation Therapy in Older Adults With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pre-treatment Loss of Independent Activities of Daily Living"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2012-11",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01752751"
    },
    {
      "nct_id": "NCT05525507",
      "title": "Delayed Immunological Tolerance in Patients With Well-functioning Pre-existing HLA-matched Kidney Transplants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "End Stage Kidney Disease",
        "Immunological Tolerance",
        "Kidney Transplant Failure and Rejection",
        "Chronic Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Conditioning and Stem cell infusion",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2022-12-21",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05525507"
    },
    {
      "nct_id": "NCT00818311",
      "title": "Skin Safety Profile of Different Exposure to the Light Emitting Diode (LED) in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Radiation Tolerance",
        "Skin Aging",
        "Rhytids"
      ],
      "interventions": [
        {
          "name": "LED GentleWaves®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "L'Oreal",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2008-06",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2009-01-07",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Carrollton, Texas",
      "locations": [
        {
          "city": "Carrollton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00818311"
    },
    {
      "nct_id": "NCT03707262",
      "title": "Study of Combined Kidney and Blood Stem Cell Transplant From a Brother or Sister Donor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Renal Transplant Rejection",
        "Tolerance",
        "Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "Donor CD34+ and CD3+ cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Jeffrey Veale, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2019-11-06",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03707262"
    },
    {
      "nct_id": "NCT01407770",
      "title": "Genetic Susceptibility to Radiation-Induced Skin Reactions in Racial/Ethnic Groups of Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cognitive Ability, General",
        "Fatigue",
        "Pain",
        "Psychosocial Deprivation",
        "Radiation Toxicity",
        "Skin Abnormalities"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "enzyme-linked immunosorbent assay",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "3-dimensional conformal radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "breast irradiation",
          "type": "RADIATION"
        },
        {
          "name": "external beam radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "hypofractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "whole breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 1000,
      "start_date": "2011-09-20",
      "completion_date": "2014-08-26",
      "has_results": false,
      "last_update_posted_date": "2023-03-28",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01407770"
    },
    {
      "nct_id": "NCT04624256",
      "title": "Germline DNA-Based Radiosensitivity Biomarker Influence on Toxicity Following Prostate Radiotherapy, GARUDA Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "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"
      ],
      "interventions": [
        {
          "name": "Discussion",
          "type": "PROCEDURE"
        },
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "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": 208,
      "start_date": "2020-11-10",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04624256"
    },
    {
      "nct_id": "NCT00949052",
      "title": "Genetic Susceptibility and Risk of Second Cancers in Patients Who Have Undergone Stem Cell Transplant for Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "evaluation of cancer risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2009-01",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2018-08-16",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00949052"
    },
    {
      "nct_id": "NCT00178347",
      "title": "Radiation Dosimetry in Teeth",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radiation Tolerance"
      ],
      "interventions": [
        {
          "name": "Exposure to irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2004-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-05-19",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00178347"
    },
    {
      "nct_id": "NCT07269041",
      "title": "Immune Tolerance Induction After Liver Transplantation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Liver Transplantation",
        "Immune Tolerance",
        "Immune Tolerance/Drug Effects",
        "Graft Survival",
        "Hematopoietic Stem Cell",
        "Chimerism",
        "Immunosuppression After Liver Transplantation",
        "Immunosuppression Disorders",
        "End Stage Liver Disease"
      ],
      "interventions": [
        {
          "name": "Donor Hematopoietic Stem and Progenitor Cell Infusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": "2026-02-20",
      "completion_date": "2033-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-05-22T02:52:52.804Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07269041"
    }
  ]
}