{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+Verrucous+Carcinoma+of+the+Larynx&page=2",
    "query": {
      "condition": "Stage III Verrucous Carcinoma of the Larynx",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+Verrucous+Carcinoma+of+the+Larynx&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T21:37:34.645Z",
  "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": "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": "2026-05-21T21:37:34.645Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984074"
    },
    {
      "nct_id": "NCT02123511",
      "title": "Acetylcysteine Rinse in Reducing Saliva Thickness and Mucositis in Patients With Head and Neck Cancer Undergoing Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucositis",
        "Oral Complications",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Basal Cell Carcinoma of the Lip",
        "Recurrent Lymphoepithelioma of the Nasopharynx",
        "Recurrent Lymphoepithelioma of the Oropharynx",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Salivary Gland Cancer",
        "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 Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Stage I Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage I Basal Cell Carcinoma of the Lip",
        "Stage I Lymphoepithelioma of the Nasopharynx",
        "Stage I Lymphoepithelioma of the Oropharynx",
        "Stage I Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage I Salivary Gland Cancer",
        "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 Verrucous Carcinoma of the Larynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage II Basal Cell Carcinoma of the Lip",
        "Stage II Lymphoepithelioma of the Nasopharynx",
        "Stage II Lymphoepithelioma of the Oropharynx",
        "Stage II Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage II Salivary Gland Cancer",
        "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 Verrucous Carcinoma of the Larynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Basal Cell Carcinoma of the Lip",
        "Stage III Lymphoepithelioma of the Nasopharynx",
        "Stage III Lymphoepithelioma of the Oropharynx",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Salivary Gland Cancer",
        "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 Lymphoepithelioma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IVA Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVA Basal Cell Carcinoma of the Lip",
        "Stage IVA Lymphoepithelioma of the Oropharynx",
        "Stage IVA Mucoepidermoid Carcinoma of the Oral Cavity",
        "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 Verrucous Carcinoma of the Larynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "Stage IVB Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVB Basal Cell Carcinoma of the Lip",
        "Stage IVB Lymphoepithelioma of the Oropharynx",
        "Stage IVB Mucoepidermoid 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 Verrucous Carcinoma of the Larynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "Stage IVC Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVC Basal Cell Carcinoma of the Lip",
        "Stage IVC Lymphoepithelioma of the Oropharynx",
        "Stage IVC Mucoepidermoid 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 Verrucous Carcinoma of the Larynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 34,
      "start_date": "2014-04",
      "completion_date": "2018-07-02",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota • Syracuse, New York + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Bismarck",
          "state": "North Dakota"
        },
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123511"
    },
    {
      "nct_id": "NCT00720083",
      "title": "Chemotherapy and Radiation Therapy (RT) With or Without Vandetanib in Treating Patients With High-Risk Stage III or Stage IV Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "vandetanib",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2008-11",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2015-11-17",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 63,
      "location_summary": "Scottsdale, Arizona • Duarte, California • La Jolla, California + 52 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00720083"
    },
    {
      "nct_id": "NCT00293462",
      "title": "GM-CSF Mouthwash for Preventing and Treating Mucositis in Patients Undergoing Radiation Therapy for Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Mucositis Oral",
        "Radiation Toxicity",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "oral salt and soda mouthwash",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Marilyn Dodd",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 91,
      "start_date": "2005-06-07",
      "completion_date": "2009-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00293462"
    },
    {
      "nct_id": "NCT00049283",
      "title": "Erlotinib, Docetaxel, and Radiation Therapy in Treating Patients With Locally Advanced Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Squamous Neck Cancer With Occult Primary Squamous Cell Carcinoma",
        "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 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 Verrucous Carcinoma of the Larynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "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 Verrucous Carcinoma of the Larynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "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 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": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "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": 30,
      "start_date": "2002-09",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2014-06-06",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049283"
    },
    {
      "nct_id": "NCT00503776",
      "title": "Chemo/XRT +/- Amifostine to Assess Outcomes Related to Xerostomia, Mucositis, & Dysphagia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dysphagia",
        "Head and Neck Cancer",
        "Mucositis",
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "amifostine trihydrate",
          "type": "DRUG"
        },
        {
          "name": "therapeutic dietary intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 41,
      "start_date": "2006-01",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00503776"
    },
    {
      "nct_id": "NCT00019110",
      "title": "Vaccine Therapy in Treating Patients With Advanced or Recurrent Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anal Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Head and Neck Cancer",
        "Penile Cancer",
        "Vulvar Cancer"
      ],
      "interventions": [
        {
          "name": "human papillomavirus 16 E7 peptide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "synthetic human papillomavirus 16 E6 peptide",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": null,
      "start_date": "1995-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 6,
      "location_summary": "Bethesda, Maryland • Boston, Massachusetts • Morristown, New Jersey + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00019110"
    },
    {
      "nct_id": "NCT00897793",
      "title": "Growth Factor Levels in the Blood of Patients Undergoing Radiation Therapy for Epithelial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Colorectal Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "venipuncture",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "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": 25,
      "start_date": "2006-01",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-12",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 3,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897793"
    },
    {
      "nct_id": "NCT00017173",
      "title": "S0011, Gene Therapy & Surgery Followed by Chemo & RT in Newly Diagnosed Cancer of the Mouth or Throat",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Ad5CMV-p53 gene",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2003-02",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-06-14",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 3,
      "location_summary": "Kansas City, Kansas • Lexington, Kentucky • Detroit, Michigan",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017173"
    },
    {
      "nct_id": "NCT00898300",
      "title": "Collecting and Storing Tissue Samples From Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 351,
      "start_date": "2005-09",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2015-11-13",
      "last_synced_at": "2026-05-21T21:37:34.645Z",
      "location_count": 97,
      "location_summary": "Birmingham, Alabama • Sacramento, California • Colorado Springs, Colorado + 68 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Altanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898300"
    }
  ]
}