{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Base+of+Tongue+Cancer",
    "query": {
      "condition": "Base of Tongue Cancer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Base+of+Tongue+Cancer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T04:11:22.723Z",
  "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": "NCT01195922",
      "title": "Rapamycin Therapy in Head and Neck Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Mouth Neoplasms",
        "Head and Neck Neoplasms",
        "Tongue Neoplasms",
        "Carcinoma, Squamous Cell"
      ],
      "interventions": [
        {
          "name": "Sirolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 37,
      "start_date": "2010-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01195922"
    },
    {
      "nct_id": "NCT00984074",
      "title": "MRI Mapping in Planning Radiation Therapy to the Base of Skull and Brain in Patients With Nonmetastatic Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "blood-oxygen-level-dependent functional magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "diffusion tensor imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "dynamic contrast-enhanced magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "functional magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy treatment planning/simulation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 3,
      "start_date": "2008-10",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-24",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984074"
    },
    {
      "nct_id": "NCT01847326",
      "title": "Paclitaxel Albumin-Stabilized Nanoparticle Formulation and Carboplatin Followed By Chemoradiation in Treating Patients With Recurrent Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "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",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel albumin-stabilized nanoparticle formulation",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "hyperfractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2013-03-26",
      "completion_date": "2024-01-22",
      "has_results": false,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01847326"
    },
    {
      "nct_id": "NCT06554158",
      "title": "De-escalation of Adjuvant Radiation for Low-Risk HPV Oropharyngeal Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oropharynx Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-08-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "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/NCT06554158"
    },
    {
      "nct_id": "NCT00080028",
      "title": "Motexafin Gadolinium With Chemotherapy and Radiation Therapy for the Treatment of Advanced Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Oropharynx Cancer",
        "Larynx Cancer",
        "Hypopharynx Cancer"
      ],
      "interventions": [
        {
          "name": "Motexafin Gadolinium Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmacyclics LLC.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-05-08",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • San Antonio, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00080028"
    },
    {
      "nct_id": "NCT00404339",
      "title": "Vaccine Therapy in Treating Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "mutant p53 peptide pulsed dendritic cell vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tetanus toxoid helper peptide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Robert Ferris",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 17,
      "start_date": "2005-09",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-18",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00404339"
    },
    {
      "nct_id": "NCT01469429",
      "title": "Phase 1b Food Based Modulation of Biomarkers in Human Tissues at High-Risk for Oral Cancer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma",
        "Salivary Gland Squamous Cell Carcinoma",
        "Stage 0 Hypopharyngeal Cancer",
        "Stage 0 Laryngeal Cancer",
        "Stage 0 Lip and Oral Cavity Cancer",
        "Stage 0 Nasopharyngeal Cancer",
        "Stage 0 Oropharyngeal Cancer",
        "Stage 0 Paranasal Sinus and Nasal Cavity Cancer",
        "Stage I Salivary Gland Cancer",
        "Stage I Squamous Cell Carcinoma of the Hypopharynx",
        "Stage I Squamous Cell Carcinoma of the Larynx",
        "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Nasopharynx",
        "Stage I Squamous Cell Carcinoma of the Oropharynx",
        "Stage I Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage I Verrucous Carcinoma of the Larynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Salivary Gland Cancer",
        "Stage II Squamous Cell Carcinoma of the Hypopharynx",
        "Stage II Squamous Cell Carcinoma of the Larynx",
        "Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Nasopharynx",
        "Stage II Squamous Cell Carcinoma of the Oropharynx",
        "Stage II Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity",
        "Stage II Verrucous Carcinoma of the Larynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Salivary Gland Cancer",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "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 Oral Cavity Squamous Cell Carcinoma",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Nasal Cavity and Paranasal Sinus Cancer",
        "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 Oral Cavity Squamous Cell Carcinoma",
        "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 Oral Cavity Squamous Cell Carcinoma",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Paranasal Sinus and Nasal Cavity Squamous Cell Carcinoma",
        "Stage IVC Verrucous Carcinoma of the Larynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "chemoprevention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2007-09-04",
      "completion_date": "2014-09-17",
      "has_results": false,
      "last_update_posted_date": "2020-02-20",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01469429"
    },
    {
      "nct_id": "NCT01256385",
      "title": "Temsirolimus With or Without Cetuximab in Patients With Recurrent and/or Metastatic Head and Neck Cancer Who Did Not Respond to Previous Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Verrucous Carcinoma",
        "Recurrent Lip and Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Metastatic Squamous Cell Carcinoma in the Neck With Occult Primary",
        "Recurrent Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Recurrent Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Verrucous Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Recurrent Salivary Gland Carcinoma",
        "Salivary Gland Squamous Cell Carcinoma",
        "Squamous Cell Carcinoma Metastatic in the Neck With Occult Primary",
        "Stage IV Hypopharyngeal Squamous Cell Carcinoma",
        "Stage IV Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVA Laryngeal Squamous Cell Carcinoma",
        "Stage IVA Laryngeal Verrucous Carcinoma",
        "Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVA Major Salivary Gland Carcinoma",
        "Stage IVA Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVA Oral Cavity Verrucous Carcinoma",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVB Laryngeal Squamous Cell Carcinoma",
        "Stage IVB Laryngeal Verrucous Carcinoma",
        "Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVB Major Salivary Gland Carcinoma",
        "Stage IVB Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVB Oral Cavity Verrucous Carcinoma",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVC Laryngeal Squamous Cell Carcinoma",
        "Stage IVC Laryngeal Verrucous Carcinoma",
        "Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma",
        "Stage IVC Major Salivary Gland Carcinoma",
        "Stage IVC Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage IVC Oral Cavity Verrucous Carcinoma",
        "Stage IVC Oropharyngeal Squamous Cell Carcinoma",
        "Tongue Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Temsirolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 86,
      "start_date": "2010-11",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-27",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 23,
      "location_summary": "Scottsdale, Arizona • Aurora, Colorado • Jacksonville, Florida + 16 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01256385"
    },
    {
      "nct_id": "NCT06902623",
      "title": "Treatment De-Escalation for Favorable Prognosis Human Papilloma Virus (HPV) or p16-Positive Oropharyngeal Cancer Receiving Definitive Radiotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oropharyngeal Cancers",
        "HPV",
        "Tonsil Cancer",
        "Base of Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 30,
      "start_date": "2019-08-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Clinton, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Clinton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06902623"
    },
    {
      "nct_id": "NCT00002735",
      "title": "SWOG-9451, Combination Chemo & RT For Patients With Stage III/Stage IV Cancer of the Hypopharynx or Tongue",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Induction chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "low-LET cobalt-60 gamma ray therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 68,
      "start_date": "1996-04",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2015-09-30",
      "last_synced_at": "2026-06-26T04:11:22.723Z",
      "location_count": 18,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Denver, Colorado + 10 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002735"
    }
  ]
}