{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+Laryngeal+Cancer&page=4",
    "query": {
      "condition": "Stage III Laryngeal Cancer",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 188,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+Laryngeal+Cancer&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+Laryngeal+Cancer&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T22:37:56.571Z",
  "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": "2026-10-10T22:37:56.571Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984074"
    },
    {
      "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": "2026-10-10T22:37:56.571Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00404339"
    },
    {
      "nct_id": "NCT00084435",
      "title": "S0217, Adjuvant Cisplatin and Docetaxel After Complete Resection Stage III or IV Head and Neck Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "radiation 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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2005-07",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2012-06-14",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 29,
      "location_summary": "Los Angeles, California • Decatur, Illinois • Springfield, Illinois + 20 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Decatur",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084435"
    },
    {
      "nct_id": "NCT02048020",
      "title": "Paclitaxel and Carboplatin Before Radiation Therapy With Paclitaxel in Treating HPV-Positive Patients With Stage III-IV Oropharynx, Hypopharynx, or Larynx Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Human Papilloma Virus Infection",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Verrucous Carcinoma of the Larynx",
        "Stage IVA Squamous Cell Carcinoma of the Larynx",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Verrucous Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Verrucous Carcinoma of the Larynx",
        "Stage IVC Squamous Cell Carcinoma of the Larynx",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVC Verrucous Carcinoma of the Larynx"
      ],
      "interventions": [
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2013-12-26",
      "completion_date": "2017-01-09",
      "has_results": false,
      "last_update_posted_date": "2018-08-14",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02048020"
    },
    {
      "nct_id": "NCT00021047",
      "title": "Epirubicin, Carboplatin, and Capecitabine in Treating Patients With Unresectable Locally Advanced, Metastatic, or Recurrent Solid Tumor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Extrahepatic Bile Duct Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Liver Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "epirubicin hydrochloride",
          "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": null,
      "start_date": "2001-07",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland • Portsmouth, Virginia",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Portsmouth",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00021047"
    },
    {
      "nct_id": "NCT00019201",
      "title": "Fluorescent Light Bronchoscopy Plus White Light Bronchoscopy for Early Detection of Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "sputum cytology",
          "type": "OTHER"
        },
        {
          "name": "bronchoscopic and lung imaging studies",
          "type": "PROCEDURE"
        },
        {
          "name": "bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "comparison of screening methods",
          "type": "PROCEDURE"
        },
        {
          "name": "endoscopic biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": null,
      "start_date": "1996-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00019201"
    },
    {
      "nct_id": "NCT06589804",
      "title": "Testing the Addition of Anti-Cancer Drug, Cetuximab, to Standard of Care Treatment (Pembrolizumab) for Returning or Spreading Head and Neck Cancer After Previous Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Head and Neck Squamous Cell Carcinoma",
        "Metastatic Hypopharyngeal Squamous Cell Carcinoma",
        "Metastatic Laryngeal Squamous Cell Carcinoma",
        "Metastatic Oral Cavity Squamous Cell Carcinoma",
        "Metastatic Oropharyngeal Squamous Cell Carcinoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Neck Squamous Cell Carcinoma of Unknown Primary",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Refractory Head and Neck Squamous Cell Carcinoma",
        "Refractory Hypopharyngeal Squamous Cell Carcinoma",
        "Refractory Laryngeal Squamous Cell Carcinoma",
        "Refractory Oral Cavity Squamous Cell Carcinoma",
        "Refractory Oropharyngeal Squamous Cell Carcinoma",
        "Stage IV Head and Neck Cutaneous Squamous Cell 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"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 158,
      "start_date": "2025-03-27",
      "completion_date": "2029-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 200,
      "location_summary": "Little Rock, Arkansas • Marysville, California • Palo Alto, California + 161 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Marysville",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06589804"
    },
    {
      "nct_id": "NCT00536952",
      "title": "Pilot Study of Pulmozyme (rhDNase) in Patients With Head and Neck Cancers Treated With Radiation Therapy + Chemotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Pulmozyme",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": 36,
      "start_date": "2008-02",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-27",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00536952"
    },
    {
      "nct_id": "NCT02388932",
      "title": "Stereotactic Body Radiation Therapy in Treating Patients With High Risk Locally Advanced Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Recurrent Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma",
        "Stage II Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage III Hypopharyngeal Squamous Cell Carcinoma",
        "Stage III Laryngeal Squamous Cell Carcinoma",
        "Stage III Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma",
        "Stage III Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage III Oral Cavity Squamous Cell Carcinoma",
        "Stage III Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVA Hypopharyngeal Squamous Cell Carcinoma",
        "Stage IVA Laryngeal Squamous Cell Carcinoma",
        "Stage IVA Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVA Oral Cavity Squamous Cell Carcinoma",
        "Stage IVA Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVB Hypopharyngeal Squamous Cell Carcinoma",
        "Stage IVB Laryngeal Squamous Cell Carcinoma",
        "Stage IVB Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVB Oral Cavity Squamous Cell Carcinoma",
        "Stage IVB Oropharyngeal Squamous Cell Carcinoma",
        "Stage IVC Hypopharyngeal Squamous Cell Carcinoma",
        "Stage IVC Laryngeal Squamous Cell Carcinoma",
        "Stage IVC Nasopharyngeal Keratinizing Squamous Cell Carcinoma",
        "Stage IVC Oral Cavity Squamous Cell Carcinoma",
        "Stage IVC Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "DEVICE"
        },
        {
          "name": "Computed Tomography",
          "type": "DEVICE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive 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": 3,
      "start_date": "2015-03-03",
      "completion_date": "2017-02-06",
      "has_results": true,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-10-10T22:37:56.571Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02388932"
    },
    {
      "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": "2026-10-10T22:37:56.571Z",
      "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"
    }
  ]
}