{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Head+and+Neck+Carcinoma+of+Unknown+Primary&page=3",
    "query": {
      "condition": "Head and Neck Carcinoma of Unknown Primary",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Head+and+Neck+Carcinoma+of+Unknown+Primary&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Head+and+Neck+Carcinoma+of+Unknown+Primary&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T10:45:44.249Z",
  "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": "NCT00588770",
      "title": "Chemotherapy With or Without Bevacizumab in Treating Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neck Squamous Cell Carcinoma of Unknown Primary",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Verrucous Carcinoma",
        "Recurrent Lip and Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Neck Squamous Cell Carcinoma of Unknown Primary",
        "Recurrent Oral Cavity Verrucous Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Recurrent Salivary Gland Carcinoma",
        "Recurrent Sinonasal Squamous Cell Carcinoma",
        "Salivary Gland Squamous Cell Carcinoma",
        "Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IV Major Salivary Gland Cancer AJCC v7",
        "Stage IVA Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVA Major Salivary Gland Cancer AJCC v7",
        "Stage IVA Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVB Major Salivary Gland Cancer AJCC v7",
        "Stage IVB Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Laryngeal Verrucous Carcinoma AJCC v7",
        "Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVC Major Salivary Gland Cancer AJCC v7",
        "Stage IVC Oral Cavity Cancer AJCC v6 and v7",
        "Stage IVC Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVC Sinonasal Squamous Cell Carcinoma AJCC v7",
        "Tongue Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "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": 403,
      "start_date": "2008-08-08",
      "completion_date": "2027-02-20",
      "has_results": true,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 777,
      "location_summary": "Mobile, Alabama • Fairbanks, Alaska • Fort Smith, Arkansas + 472 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00588770"
    },
    {
      "nct_id": "NCT00020579",
      "title": "MS-275 in Treating Patients With Advanced Solid Tumors or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "entinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2001-03",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020579"
    },
    {
      "nct_id": "NCT00002507",
      "title": "Radiation Therapy and Chemotherapy in Treating Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Carcinoma of Unknown Primary",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "mitomycin C",
          "type": "DRUG"
        },
        {
          "name": "porfiromycin",
          "type": "DRUG"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": null,
      "start_date": "1992-11",
      "completion_date": "2002-10",
      "has_results": false,
      "last_update_posted_date": "2013-07-25",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002507"
    },
    {
      "nct_id": "NCT05461430",
      "title": "Mass Response of Tumor Cells as a Biomarker for Rapid Therapy Guidance (TraveraRTGx)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pleural Effusion, Malignant",
        "Ascites, Malignant",
        "Carcinoma",
        "Carcinoma, Hepatocellular",
        "Carcinoma, Renal Cell",
        "Carcinoma, Renal",
        "Carcinoma, Small Cell",
        "Carcinoma, Non-Small-Cell Lung",
        "Carcinoma, Pancreatic Ductal",
        "Carcinoma, Neuroendocrine",
        "Carcinoma, Thymic",
        "Carcinoma, Pancreatic",
        "Carcinoma Breast",
        "Carcinoma, Ovarian",
        "Carcinoma Bladder",
        "Carcinoma of Unknown Primary",
        "Carcinoma of the Head and Neck",
        "Carcinoma of the Oropharynx",
        "Carcinoma of the Larynx",
        "Carcinoma of the Bladder",
        "Carcinoma of Esophagus",
        "Carcinoma of the Nasopharynx",
        "Carcinoma of the Penis",
        "Carcinoma of the Cervix",
        "Carcinoma of the Anus",
        "Carcinoma of the Vulva",
        "Carcinoma of the Appendix",
        "Carcinoma of the Oral Cavity",
        "Cholangiocarcinoma",
        "Melanoma",
        "Mesothelioma",
        "Pancreatic Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Travera Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2022-07-15",
      "completion_date": "2026-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05461430"
    },
    {
      "nct_id": "NCT00014456",
      "title": "Combination Chemotherapy Plus Filgrastim in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Cancer",
        "Breast Cancer",
        "Carcinoma of Unknown Primary",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Melanoma (Skin)",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Prostate Cancer",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2000-03",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2013-08-28",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014456"
    },
    {
      "nct_id": "NCT00423254",
      "title": "Safety and Immune Response to a Multi-component Immune Based Therapy (MKC1106-PP) for Patients With Advanced Cancer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian",
        "Melanoma",
        "Renal",
        "Prostate",
        "Colorectal",
        "Endometrial Carcinoma",
        "Cervical Carcinoma",
        "Testicular Cancer",
        "Thyroid Cancer",
        "Small Cell Lung Carcinoma",
        "Mesothelioma",
        "Breast Carcinoma",
        "Esophageal Carcinoma",
        "Gastric Cancer",
        "Pancreatic Carcinoma",
        "Neuroendocrine Cancer",
        "Liver Cancer",
        "Gallbladder Cancer",
        "Biliary Tract Cancer",
        "Anal Carcinoma",
        "Bone Sarcomas",
        "Soft Tissue Sarcomas",
        "Carcinoma of Unknown Origin, Primary"
      ],
      "interventions": [
        {
          "name": "PSMA/PRAME",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mannkind Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2007-02",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2010-08-03",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 5,
      "location_summary": "Tuscon, Arizona • Washington D.C., District of Columbia • Tampa, Florida + 2 more",
      "locations": [
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Sparks",
          "state": "Nevada"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00423254"
    },
    {
      "nct_id": "NCT02713269",
      "title": "Thermal Ablation and Spine Stereotactic Radiosurgery in Treating Patients With Spine Metastases at Risk for Compressing the Spinal Cord",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Digestive System Neoplasm",
        "Metastatic Head and Neck Carcinoma",
        "Metastatic Kidney Carcinoma",
        "Metastatic Malignant Neoplasm in the Spine",
        "Metastatic Malignant Neoplasm of Unknown Primary",
        "Metastatic Melanoma",
        "Prostate Carcinoma Metastatic in the Bone",
        "Sarcoma",
        "Solid Neoplasm",
        "Spinal Cord Compression",
        "Stage IV Breast Cancer AJCC v6 and v7",
        "Stage IV Lung Non-Small Cell Cancer AJCC v7",
        "Thyroid Gland Carcinoma"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Thermal Ablation Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "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": 60,
      "start_date": "2016-08-29",
      "completion_date": "2027-10-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02713269"
    },
    {
      "nct_id": "NCT05172245",
      "title": "Testing the Addition of Ipatasertib to Usual Chemotherapy and Radiation for Head and Neck Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Head and Neck Carcinoma of Unknown Primary",
        "Locally Advanced Head and Neck Squamous Cell Carcinoma",
        "Locally Advanced Hypopharyngeal Squamous Cell Carcinoma",
        "Locally Advanced Laryngeal Squamous Cell Carcinoma",
        "Locally Advanced Nasal Cavity Squamous Cell Carcinoma",
        "Locally Advanced Oral Cavity Squamous Cell Carcinoma",
        "Locally Advanced Oropharyngeal Squamous Cell Carcinoma",
        "Locally Advanced Paranasal Sinus Squamous Cell Carcinoma",
        "Locally Advanced Sinonasal Squamous Cell Carcinoma",
        "Maxillary Sinus Squamous Cell Carcinoma",
        "Stage III Hypopharyngeal Carcinoma AJCC v8",
        "Stage III Laryngeal Cancer AJCC v8",
        "Stage III Lip and Oral Cavity Cancer AJCC v8",
        "Stage III Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage III Sinonasal Cancer AJCC v8",
        "Stage IVA Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVA Laryngeal Cancer AJCC v8",
        "Stage IVA Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVA Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage IVA Sinonasal Cancer AJCC v8",
        "Stage IVB Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVB Laryngeal Cancer AJCC v8",
        "Stage IVB Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVB Oropharyngeal (p16-Negative) Carcinoma AJCC v8",
        "Stage IVB Sinonasal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipatasertib",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "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": 46,
      "start_date": "2022-09-19",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 17,
      "location_summary": "Tampa, Florida • Chicago, Illinois • Fairway, Kansas + 13 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05172245"
    },
    {
      "nct_id": "NCT00004178",
      "title": "Gene Therapy in Treating Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic autologous lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Roger Williams Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1998-04",
      "completion_date": "2001-12",
      "has_results": false,
      "last_update_posted_date": "2011-06-10",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004178"
    },
    {
      "nct_id": "NCT05110781",
      "title": "Atezolizumab Before Surgery for the Treatment of Regionally Metastatic Head and Neck Squamous Cell Cancer With an Unknown or Historic Primary Site",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Cutaneous Squamous Cell Carcinoma of the Head and Neck",
        "Resectable Cutaneous Squamous Cell Carcinoma of the Head and Neck",
        "Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "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": "2021-12-07",
      "completion_date": "2023-04-18",
      "has_results": true,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-12T10:45:44.249Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05110781"
    }
  ]
}