{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radioiodine+%28RAI%29",
    "query": {
      "intervention": "Radioiodine (RAI)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radioiodine+%28RAI%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T11:44:01.390Z",
  "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": "NCT01876784",
      "title": "Evaluation of Efficacy, Safety of Vandetanib in Patients With Differentiated Thyroid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Differentiated Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Vandetanib (SAR390530)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2013-09-17",
      "completion_date": "2022-01-22",
      "has_results": true,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 10,
      "location_summary": "Little Rock, Arkansas • Torrance, California • Lexington, Kentucky + 7 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01876784"
    },
    {
      "nct_id": "NCT05668962",
      "title": "Restor. I-131 Upt. + Selpercatinib in RET F-P RAI-R TC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Cancer",
        "Thyroid Carcinoma",
        "Metastatic Thyroid Cancer",
        "Follicular Thyroid Cancer",
        "Unresectable Thyroid Gland Carcinoma",
        "Papillary Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Selpercatinib",
          "type": "DRUG"
        },
        {
          "name": "Sodium Iodine I-131",
          "type": "DRUG"
        },
        {
          "name": "rhTSH",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-03-01",
      "completion_date": "2026-01-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-12",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 6,
      "location_summary": "Washington D.C., District of Columbia • Tampa, Florida • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05668962"
    },
    {
      "nct_id": "NCT06007924",
      "title": "A Study of Avutometinib and Defactinib in People With Thyroid Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Avutometinib",
          "type": "DRUG"
        },
        {
          "name": "Defactinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 30,
      "start_date": "2023-08-16",
      "completion_date": "2027-08-16",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06007924"
    },
    {
      "nct_id": "NCT00098813",
      "title": "Romidepsin in Treating Patients With Recurrent and/or Metastatic Thyroid Cancer That Has Not Responded to Radioactive Iodine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Thyroid Cancer",
        "Stage IV Follicular Thyroid Cancer",
        "Stage IV Papillary Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "romidepsin",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "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": 20,
      "start_date": "2004-10",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2014-05-28",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "Commack, New York",
      "locations": [
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00098813"
    },
    {
      "nct_id": "NCT03215095",
      "title": "RAI Plus Immunotherapy for Recurrent/Metastatic Thyroid Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Durvalumab (Medi4736)",
          "type": "DRUG"
        },
        {
          "name": "Radioiodine (RAI)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 11,
      "start_date": "2017-07-10",
      "completion_date": "2027-07",
      "has_results": true,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03215095"
    },
    {
      "nct_id": "NCT02456701",
      "title": "Enhancing Radioiodine Incorporation Into BRAF Mutant Thyroid Cancers With the Combination of Vemurafenib and KTN3379",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "KTN3379",
          "type": "BIOLOGICAL"
        },
        {
          "name": "vemurafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Celldex Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2015-06",
      "completion_date": "2016-10-13",
      "has_results": false,
      "last_update_posted_date": "2017-09-05",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02456701"
    },
    {
      "nct_id": "NCT02152995",
      "title": "Trametinib in Increasing Tumoral Iodine Incorporation in Patients With Recurrent or Metastatic Thyroid Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Thyroid Gland Carcinoma",
        "Poorly Differentiated Thyroid Gland Carcinoma",
        "Recurrent Thyroid Gland Carcinoma",
        "Refractory Thyroid Gland Carcinoma",
        "Stage IV Thyroid Gland Follicular Carcinoma AJCC v7",
        "Stage IV Thyroid Gland Papillary Carcinoma AJCC v7",
        "Stage IVA Thyroid Gland Follicular Carcinoma AJCC v7",
        "Stage IVA Thyroid Gland Papillary Carcinoma AJCC v7",
        "Stage IVB Thyroid Gland Follicular Carcinoma AJCC v7",
        "Stage IVB Thyroid Gland Papillary Carcinoma AJCC v7",
        "Stage IVC Thyroid Gland Follicular Carcinoma AJCC v7",
        "Stage IVC Thyroid Gland Papillary Carcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Iodine I 124",
          "type": "OTHER"
        },
        {
          "name": "Iodine I-131",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacodynamic Study",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Trametinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION",
        "DRUG"
      ],
      "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": 34,
      "start_date": "2014-08-14",
      "completion_date": "2027-02-05",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02152995"
    },
    {
      "nct_id": "NCT02041260",
      "title": "A Phase II Trial of Cabozantinib for the Treatment of Radioiodine (RAI)-Refractory Differentiated Thyroid Carcinoma (DTC) in the First-line Setting",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Differentiated Thyroid Cancer (DTC)",
        "Poorly Differentiated Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2014-01",
      "completion_date": "2022-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02041260"
    },
    {
      "nct_id": "NCT06853925",
      "title": "Testing a Web-based Intervention for Radioactive Iodine Symptom Management to Improve Health-related Quality of Life Among Differentiated Thyroid Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thyroid Neoplasms"
      ],
      "interventions": [
        {
          "name": "Radioactive Iodine Support (RAI Support)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual (TAU)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2025-10-02",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06853925"
    },
    {
      "nct_id": "NCT02145143",
      "title": "Enhancing Radioiodine (RAI) Incorporation Into BRAF Mutant, RAI-Refractory Thyroid Cancers With the BRAF Inhibitor Vemurafenib: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Thyroid Carcinoma"
      ],
      "interventions": [
        {
          "name": "Vemurafenib",
          "type": "DRUG"
        },
        {
          "name": "serial 124I PET/CT",
          "type": "DEVICE"
        },
        {
          "name": "thyrotropin alpha",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 12,
      "start_date": "2014-05-20",
      "completion_date": "2024-11-21",
      "has_results": false,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-09-29T11:44:01.390Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145143"
    }
  ]
}