{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Head+and+Neck+Cancer",
    "query": {
      "condition": "Refractory Head and Neck Cancer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 165,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Head+and+Neck+Cancer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T19:32:22.051Z",
  "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": "NCT02013154",
      "title": "A Study of DKN-01 in Combination With Paclitaxel or Pembrolizumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Esophageal Neoplasms",
        "Adenocarcinoma of the Gastroesophageal Junction",
        "Gastroesophageal Cancer",
        "Squamous Cell Carcinoma",
        "Gastric Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "DKN-01 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "DKN-01 300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leap Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 151,
      "start_date": "2014-05-05",
      "completion_date": "2021-01-11",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • New Haven, Connecticut • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02013154"
    },
    {
      "nct_id": "NCT05795595",
      "title": "A Safety and Efficacy Study Evaluating CTX131 in Adult Subjects With Relapsed or Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Clear Cell Renal Cell Carcinoma",
        "Cervical Carcinoma",
        "Esophageal Carcinoma",
        "Pancreatic Adenocarcinoma",
        "Malignant Pleural Mesothelioma"
      ],
      "interventions": [
        {
          "name": "CTX131",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CRISPR Therapeutics AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2023-03-13",
      "completion_date": "2025-09-18",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Chicago, Illinois • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05795595"
    },
    {
      "nct_id": "NCT01638533",
      "title": "Romidepsin in Treating Patients With Lymphoma, Chronic Lymphocytic Leukemia, or Solid Tumors With Liver Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Lymphoma",
        "Metastatic Malignant Solid Neoplasm",
        "Neuroendocrine Neoplasm",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Bladder Carcinoma",
        "Recurrent Breast Carcinoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Colorectal Carcinoma",
        "Recurrent Head and Neck Carcinoma",
        "Recurrent Lung Carcinoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Melanoma",
        "Recurrent Pancreatic Carcinoma",
        "Recurrent Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Prostate Carcinoma",
        "Recurrent Renal Cell Carcinoma",
        "Recurrent Thyroid Gland Carcinoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma",
        "Refractory Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Stage III Breast Cancer AJCC v7",
        "Stage III Colorectal Cancer AJCC v7",
        "Stage III Cutaneous Melanoma AJCC v7",
        "Stage III Lung Cancer AJCC v7",
        "Stage III Pancreatic Cancer AJCC v6 and v7",
        "Stage III Prostate Cancer AJCC v7",
        "Stage III Renal Cell Cancer AJCC v7",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIA Colorectal Cancer AJCC v7",
        "Stage IIIA Cutaneous Melanoma AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIB Colorectal Cancer AJCC v7",
        "Stage IIIB Cutaneous Melanoma AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7",
        "Stage IIIC Colorectal Cancer AJCC v7",
        "Stage IIIC Cutaneous Melanoma AJCC v7",
        "Stage IV Breast Cancer AJCC v6 and v7",
        "Stage IV Colorectal Cancer AJCC v7",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7",
        "Stage IV Lung Cancer AJCC v7",
        "Stage IV Pancreatic Cancer AJCC v6 and v7",
        "Stage IV Prostate Cancer AJCC v7",
        "Stage IV Renal Cell Cancer AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Stage IVA Colorectal Cancer AJCC v7",
        "Stage IVB Colorectal Cancer AJCC v7",
        "Unresectable Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Romidepsin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 37,
      "start_date": "2012-08-03",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 11,
      "location_summary": "Duarte, California • Sacramento, California • Atlanta, Georgia + 8 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01638533"
    },
    {
      "nct_id": "NCT05039801",
      "title": "IACS-6274 With or Without Bevacizumab and Paclitaxel for the Treatment of Advanced Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Endometrial Carcinoma",
        "Advanced Head and Neck Squamous Cell Carcinoma",
        "Advanced Malignant Solid Neoplasm",
        "Advanced Melanoma",
        "Advanced Ovarian Clear Cell Adenocarcinoma",
        "Chondrosarcoma",
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Clinical Stage IV Cutaneous Melanoma AJCC v8",
        "Pathologic Stage III Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIA Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIB Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIIC Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IIID Cutaneous Melanoma AJCC v8",
        "Pathologic Stage IV Cutaneous Melanoma AJCC v8",
        "Recurrent Ovarian High Grade Serous Adenocarcinoma",
        "Refractory Endometrial Carcinoma",
        "Refractory Head and Neck Squamous Cell Carcinoma",
        "Refractory Melanoma",
        "Refractory Ovarian Clear Cell Adenocarcinoma",
        "Refractory Ovarian High Grade Serous Adenocarcinoma",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage III Uterine Corpus Cancer AJCC v8",
        "Stage IIIA Ovarian Cancer AJCC v8",
        "Stage IIIA Uterine Corpus Cancer AJCC v8",
        "Stage IIIA1 Ovarian Cancer AJCC v8",
        "Stage IIIA2 Ovarian Cancer AJCC v8",
        "Stage IIIB Ovarian Cancer AJCC v8",
        "Stage IIIB Uterine Corpus Cancer AJCC v8",
        "Stage IIIC Ovarian Cancer AJCC v8",
        "Stage IIIC Uterine Corpus Cancer AJCC v8",
        "Stage IIIC1 Uterine Corpus Cancer AJCC v8",
        "Stage IIIC2 Uterine Corpus Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Uterine Corpus Cancer AJCC v8",
        "Stage IVA Ovarian Cancer AJCC v8",
        "Stage IVA Uterine Corpus Cancer AJCC v8",
        "Stage IVB Ovarian Cancer AJCC v8",
        "Stage IVB Uterine Corpus Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Glutaminase-1 Inhibitor IACS-6274",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Capivasertib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson 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": 54,
      "start_date": "2021-09-30",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05039801"
    },
    {
      "nct_id": "NCT03914300",
      "title": "Testing the Combination of Cabozantinib, Nivolumab, and Ipilimumab (CaboNivoIpi) for Advanced Differentiated Thyroid Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Differentiated Thyroid Gland Carcinoma",
        "Follicular Variant Thyroid Gland Papillary Carcinoma",
        "Poorly Differentiated Thyroid Gland Carcinoma",
        "Refractory Differentiated Thyroid Gland Carcinoma",
        "Refractory Thyroid Gland Carcinoma",
        "Tall Cell Variant Thyroid Gland Papillary Carcinoma",
        "Thyroid Gland Follicular Carcinoma",
        "Thyroid Gland Oncocytic Carcinoma",
        "Thyroid Gland Papillary Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 11,
      "start_date": "2020-02-10",
      "completion_date": "2026-12-17",
      "has_results": true,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 33,
      "location_summary": "Duarte, California • Los Angeles, California • Newport Beach, California + 25 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03914300"
    },
    {
      "nct_id": "NCT02105636",
      "title": "Trial of Nivolumab vs Therapy of Investigator's Choice in Recurrent or Metastatic Head and Neck Carcinoma (CheckMate 141)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Cetuximab",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 361,
      "start_date": "2014-05-29",
      "completion_date": "2021-09-10",
      "has_results": true,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 15,
      "location_summary": "Stanford, California • Tampa, Florida • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02105636"
    },
    {
      "nct_id": "NCT01270321",
      "title": "Pasireotide & Everolimus in Adult Patients With Radioiodine-Refractory Differentiated & Medullary Thyroid Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Pasireotide",
          "type": "DRUG"
        },
        {
          "name": "Everolimus and Pasireotide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2010-11",
      "completion_date": "2019-02",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01270321"
    },
    {
      "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": "2026-06-07T19:32:22.051Z",
      "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": "NCT00953420",
      "title": "Carboplatin and Docetaxel Followed by Epstein-Barr Virus Cytotoxic T Lymphocytes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nasopharyngeal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "EBV-specific cytotoxic T lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "G-CSF or Peg-GCSF",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2009-11",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2017-08-18",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 3,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00953420"
    },
    {
      "nct_id": "NCT00965861",
      "title": "SCRI Tissue Testing Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma",
        "Myelodysplastic Syndrome",
        "Multiple Myeloma",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tissue Registry Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SCRI Development Innovations, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2010-05",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-08-28",
      "last_synced_at": "2026-06-07T19:32:22.051Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00965861"
    }
  ]
}