{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+dose+Radiotherapy&page=4",
    "query": {
      "intervention": "Low dose Radiotherapy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 413,
    "total_pages": 42,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+dose+Radiotherapy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Low+dose+Radiotherapy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T12:36:09.640Z",
  "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": "NCT07715188",
      "title": "Low Dose Radiotherapy for Osteoarthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthitis"
      ],
      "interventions": [
        {
          "name": "Low Dose Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 113,
      "start_date": "2026-06-24",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07715188"
    },
    {
      "nct_id": "NCT00005592",
      "title": "Radioimmunotherapy in Patients With Relapsed or Refractory Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "90-Y-ibritumomab tiuxetan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "indium In 111 ibritumomab tiuxetan",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "1999-11",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2015-10-21",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005592"
    },
    {
      "nct_id": "NCT04398199",
      "title": "Study of Hypofractionated Radiotherapy Alone in Locally Advanced Nonsmall Cell Lung Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nonsmall Cell Lung Cancer, Stage II",
        "Nonsmall Cell Lung Cancer Stage III"
      ],
      "interventions": [
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "DRUG"
        },
        {
          "name": "Radiation Boost",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2020-10-16",
      "completion_date": "2020-11-20",
      "has_results": true,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398199"
    },
    {
      "nct_id": "NCT00622895",
      "title": "Allogeneic Hematopoietic Cell Transplantation for Severe Systemic Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Systemic Scleroderma",
        "Severe Systemic Sclerosis"
      ],
      "interventions": [
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolic Acid",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "reduced intensity allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "Up to 70 Years"
      },
      "enrollment_count": 3,
      "start_date": "2006-09-01",
      "completion_date": "2017-08-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Seattle, Washington",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622895"
    },
    {
      "nct_id": "NCT01886105",
      "title": "Combination of External Beam Radiotherapy With 153Sm-EDTMP to Treat High Risk Osteosarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Sm-EDTMP",
          "type": "DRUG"
        },
        {
          "name": "Autologous Stem Cell Infusion",
          "type": "OTHER"
        },
        {
          "name": "External Beam Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "10 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2013-08-19",
      "completion_date": "2017-06-11",
      "has_results": true,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886105"
    },
    {
      "nct_id": "NCT04444869",
      "title": "Testing Less Intensive Radiation With Chemotherapy to Treat Low-risk Patients With HPV-positive Oropharyngeal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer of the Head and Neck",
        "Oropharynx Cancer",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma",
        "Throat Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cisplatin injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2020-09-28",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04444869"
    },
    {
      "nct_id": "NCT03004183",
      "title": "SBRT and Oncolytic Virus Therapy Before Pembrolizumab for Metastatic TNBC and NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Non-small Cell Lung Cancer",
        "Metastatic Triple-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ADV/HSV-tk",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        },
        {
          "name": "SBRT",
          "type": "RADIATION"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2017-07-01",
      "completion_date": "2024-01-09",
      "has_results": true,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03004183"
    },
    {
      "nct_id": "NCT01807754",
      "title": "Simulated Screening Study for Breast Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cysts",
        "Breast Tumors"
      ],
      "interventions": [
        {
          "name": "X-ray and ultrasound imaging scanning",
          "type": "PROCEDURE"
        },
        {
          "name": "Photoacoustic imaging scans for breast cancer screening",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 80 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2012-12",
      "completion_date": "2020-04-23",
      "has_results": false,
      "last_update_posted_date": "2020-05-21",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01807754"
    },
    {
      "nct_id": "NCT00104858",
      "title": "Fludarabine Phosphate, Radiation Therapy, and Rituximab in Treating Patients Who Are Undergoing Donor Stem Cell Transplant Followed by Rituximab for High-Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Prolymphocytic Leukemia",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Stage III Chronic Lymphocytic Leukemia",
        "Stage III Small Lymphocytic Lymphoma",
        "Stage IV Chronic Lymphocytic Leukemia",
        "Stage IV Small Lymphocytic Lymphoma",
        "T-Cell Large Granular Lymphocyte Leukemia"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson 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": 66,
      "start_date": "2004-12",
      "completion_date": "2018-03-30",
      "has_results": true,
      "last_update_posted_date": "2019-07-11",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • Seattle, Washington",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104858"
    },
    {
      "nct_id": "NCT01196936",
      "title": "Low-Dose Tamoxifen Citrate in Reducing Breast Cancer Risk in Radiation-Induced Cancer Survivors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Tamoxifen Citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Digital mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "pharmacogenomic studies",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "Fine needle aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality of Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "25 Years and older · Female only"
      },
      "enrollment_count": 84,
      "start_date": "2010-09",
      "completion_date": "2028-12-11",
      "has_results": true,
      "last_update_posted_date": "2026-01-05",
      "last_synced_at": "2026-10-05T12:36:09.640Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Duarte, California • Aurora, Colorado + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01196936"
    }
  ]
}