{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cavities&page=9",
    "query": {
      "condition": "Cavities",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 752,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cavities&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cavities&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T07:33:11.576Z",
  "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": "NCT00002600",
      "title": "Combination Chemotherapy, Bone Marrow Transplantation, and Peripheral Stem Cell Transplantation in Treating Patients With Ovarian Epithelial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Primary Peritoneal Cavity Cancer"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "autologous bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "1994-10-21",
      "completion_date": "2001-07-25",
      "has_results": false,
      "last_update_posted_date": "2019-02-06",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002600"
    },
    {
      "nct_id": "NCT04541355",
      "title": "Sodium Thiosulfate in Preventing Ototoxicity for Squamous Cell Cancer Patients Undergoing Chemoradiation With Cisplatin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage III Human Papillomavirus (HPV)-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Locally Advanced Head and Neck Squamous Cell Carcinoma",
        "Locally Advanced Hypopharyngeal Squamous Cell Carcinoma",
        "Locally Advanced Laryngeal Squamous Cell Carcinoma",
        "Locally Advanced Oral Cavity Squamous Cell Carcinoma",
        "Locally Advanced Oropharyngeal Squamous Cell Carcinoma",
        "Pathologic Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Pathologic Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "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 IV Hypopharyngeal Carcinoma AJCC v8",
        "Stage IV Laryngeal Cancer AJCC v8",
        "Stage IV Lip and Oral Cavity Cancer AJCC v8",
        "Stage IV Oropharyngeal (p16-Negative) Carcinoma 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 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 IVC Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVC Laryngeal Cancer AJCC v8",
        "Stage IVC Lip and Oral Cavity Cancer AJCC v8",
        "Stage IVC Oropharyngeal (p16-Negative) Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Hearing Handicap Inventory for Adults - Screening",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Sodium Thiosulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Hyunseok Kang, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2020-10-14",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-28",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04541355"
    },
    {
      "nct_id": "NCT00023712",
      "title": "Bortezomib in Treating Patients With Persistent or Recurrent Ovarian Epithelial Cancer or Primary Peritoneal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Peritoneal Cavity Cancer",
        "Recurrent Ovarian Epithelial Cancer"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 58,
      "start_date": "2001-11-05",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00023712"
    },
    {
      "nct_id": "NCT03459729",
      "title": "Pharmacokinetic (PK) Analysis of Antitumor B in Patients With Oral Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Oral Cavity"
      ],
      "interventions": [
        {
          "name": "Antitumor B",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2021-08-24",
      "completion_date": "2022-02-16",
      "has_results": true,
      "last_update_posted_date": "2025-01-16",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03459729"
    },
    {
      "nct_id": "NCT02381535",
      "title": "Onalespib in Treating Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck Receiving Radiation Therapy and Cisplatin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Stage III Hypopharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage III Laryngeal Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage III Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Hypopharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVA Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Hypopharyngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7",
        "Stage IVB Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Onalespib",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 2,
      "start_date": "2015-10-22",
      "completion_date": "2020-04-24",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381535"
    },
    {
      "nct_id": "NCT00049140",
      "title": "EF5 Compared With Other Methods of Detecting Oxygen Levels in Tumor Cells of Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "EF5",
          "type": "DRUG"
        },
        {
          "name": "bioluminescence",
          "type": "OTHER"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "David M. Brizel, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2002-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-07-25",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049140"
    },
    {
      "nct_id": "NCT00939627",
      "title": "Phase II Randomized Trial of the Combination of Cetuximab and Sorafenib or Single Agent Cetuximab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma",
        "Recurrent Metastatic Squamous Neck Cancer With Occult Primary",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Squamous Cell Carcinoma of the Hypopharynx",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Nasopharynx",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Salivary Gland Squamous Cell Carcinoma",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IVA Salivary Gland Cancer",
        "Stage IVA Squamous Cell Carcinoma of the Larynx",
        "Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IVA Verrucous Carcinoma of the Larynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "Stage IVB Salivary Gland Cancer",
        "Stage IVB Squamous Cell Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IVB Verrucous Carcinoma of the Larynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "Stage IVC Salivary Gland Cancer",
        "Stage IVC Squamous Cell Carcinoma of the Larynx",
        "Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVC Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage IVC Verrucous Carcinoma of the Larynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer",
        "Untreated Metastatic Squamous Neck Cancer With Occult Primary"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "sorafenib tosylate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG",
        "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": 55,
      "start_date": "2009-07",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 8,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Baltimore, Maryland + 5 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Billings",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00939627"
    },
    {
      "nct_id": "NCT00639769",
      "title": "Irinotecan and Cisplatin in Treating Patients With Recurrent or Metastatic Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 41,
      "start_date": "2002-02",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2012-09-14",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 8,
      "location_summary": "Macon, Georgia • Chattanooga, Tennessee • Jackson, Tennessee + 3 more",
      "locations": [
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        },
        {
          "city": "Jackson",
          "state": "Tennessee"
        },
        {
          "city": "Johnson City",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639769"
    },
    {
      "nct_id": "NCT06997068",
      "title": "Methotrexate, Erlotinib, and Celecoxib for the Treatment of Recurrent/Metastatic Head and Neck Cancer in a Rural Midwest United States Population",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Oral Cavity Carcinoma",
        "Recurrent Oral Cavity Carcinoma",
        "Stage IVC Lip and Oral Cavity Cancer AJCC v8",
        "Head and Neck Cancer",
        "Hypopharynx Cancer",
        "Oropharynx Cancer",
        "Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8",
        "Metastatic Hypopharyngeal Carcinoma",
        "Metastatic Laryngeal Carcinoma",
        "Metastatic Malignant Head and Neck Neoplasm",
        "Metastatic Oropharyngeal Carcinoma",
        "Recurrent Hypopharyngeal Carcinoma",
        "Recurrent Laryngeal Carcinoma",
        "Recurrent Malignant Head and Neck Neoplasm",
        "Recurrent Oropharyngeal Carcinoma",
        "Stage IVC Hypopharyngeal Carcinoma AJCC v8",
        "Stage IVC Laryngeal Cancer AJCC v8",
        "Stage IVC Oropharyngeal (p16-Negative) Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Imaging Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-08-07",
      "completion_date": "2029-08-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06997068"
    },
    {
      "nct_id": "NCT00058006",
      "title": "Celecoxib in Treating Patients With Early-Stage Head and Neck Cancer or Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "celecoxib",
          "type": "DRUG"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "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": "2002-09",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2012-06-11",
      "last_synced_at": "2026-10-22T07:33:11.576Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00058006"
    }
  ]
}