{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iodine+I+125",
    "query": {
      "intervention": "iodine I 125"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=iodine+I+125&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T22:23:34.878Z",
  "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": "NCT00023686",
      "title": "Surgery Versus Internal Radiation in Treating Patients With Stage II Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "Up to 75 Years · Male only"
      },
      "enrollment_count": 190,
      "start_date": "2001-10",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 30,
      "location_summary": "Little Rock, Arkansas • San Francisco, California • Washington D.C., District of Columbia + 26 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023686"
    },
    {
      "nct_id": "NCT00032006",
      "title": "Hormone Therapy Followed By Internal Radiation Therapy in Treating Patients With Locally Recurrent Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": 48,
      "start_date": "2002-02",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2016-07-13",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 8,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Urbana, Illinois + 5 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00032006"
    },
    {
      "nct_id": "NCT00045474",
      "title": "Brachytherapy in Treating Patients With Recurrent Malignant Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "iodine I 125",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": null,
      "start_date": "2002-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-02-09",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Tampa, Florida • Atlanta, Georgia + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00045474"
    },
    {
      "nct_id": "NCT00486499",
      "title": "I-125 Versus Pd-103 for Medium Risk Prostate Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "I-125 versus Pd-103 radioactive seed insertion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Puget Sound Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "40 Years to 90 Years · Male only"
      },
      "enrollment_count": 660,
      "start_date": "2003-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-06-14",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486499"
    },
    {
      "nct_id": "NCT00006031",
      "title": "Comparison of Two Types of Biopsy in Patients With Breast Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Needle localized breast biopsy with specimen x-ray",
          "type": "PROCEDURE"
        },
        {
          "name": "Low dose radioactive seed followed by surgery and mammogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and 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": 117,
      "start_date": "1999-11",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2012-09-26",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006031"
    },
    {
      "nct_id": "NCT00079417",
      "title": "Neoadjuvant Carboplatin and Vincristine and Standard Local Ophthalmic Therapy in Treating Patients With Intraocular Retinoblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intraocular Retinoblastoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cryosurgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Infrared Laser Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Iodine I-125",
          "type": "RADIATION"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Ruthenium Ru-106",
          "type": "RADIATION"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "Up to 5 Years"
      },
      "enrollment_count": 28,
      "start_date": "2005-12-26",
      "completion_date": "2017-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00079417"
    },
    {
      "nct_id": "NCT01379742",
      "title": "Comparison of Between ThinSeed™ and OncoSeed™ for Permanent Prostate Brachytherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "RapidStrand seeds for use with 18g needle",
          "type": "DEVICE"
        },
        {
          "name": "ThinStrand",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Prostate Cancer Foundation of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 240,
      "start_date": "2010-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-13",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 1,
      "location_summary": "Westmont, Illinois",
      "locations": [
        {
          "city": "Westmont",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01379742"
    },
    {
      "nct_id": "NCT00003312",
      "title": "Brachytherapy in Treating Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "iodine I 125",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 95,
      "start_date": "1998-09",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-24",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 241,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 187 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003312"
    },
    {
      "nct_id": "NCT00494039",
      "title": "I-125 Versus Pd-103 for Low Risk Prostate Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Radioactive seed implant to prostate",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Puget Sound Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "40 Years to 80 Years · Male only"
      },
      "enrollment_count": 602,
      "start_date": "1998-01",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2007-06-29",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00494039"
    },
    {
      "nct_id": "NCT00107172",
      "title": "Surgery With or Without Internal Radiation Therapy in Treating Patients With Stage I Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2005-07",
      "completion_date": "2019-02-15",
      "has_results": true,
      "last_update_posted_date": "2019-10-18",
      "last_synced_at": "2026-09-22T22:23:34.878Z",
      "location_count": 37,
      "location_summary": "Scottsdale, Arizona • Sacramento, California • Jacksonville, Florida + 27 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00107172"
    }
  ]
}