{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Second+Primary+Squamous+Cell+Carcinoma+of+the+Head+and+Neck",
    "query": {
      "condition": "Second Primary Squamous Cell Carcinoma of the Head and Neck"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Second+Primary+Squamous+Cell+Carcinoma+of+the+Head+and+Neck&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-28T10:15:21.226Z",
  "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": "NCT00538850",
      "title": "Fentanyl Sublingual Spray in Treating Patients With Breakthrough Cancer Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Fentanyl sublingual spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INSYS Therapeutics Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2007-10",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2014-03-05",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 1,
      "location_summary": "Chandler, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538850"
    },
    {
      "nct_id": "NCT04220775",
      "title": "Bintrafusp Alfa and Stereotactic Body Radiation Therapy for the Treatment of Recurrent or Second Primary Head and Neck Squamous Cell Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Second Primary Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Bintrafusp Alfa",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2020-03-18",
      "completion_date": "2022-10-03",
      "has_results": true,
      "last_update_posted_date": "2024-11-07",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04220775"
    },
    {
      "nct_id": "NCT04671667",
      "title": "Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Recurrent Hypopharyngeal Squamous Cell Carcinoma",
        "Recurrent Laryngeal Squamous Cell Carcinoma",
        "Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Recurrent Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 188,
      "start_date": "2021-04-27",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 178,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 128 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04671667"
    },
    {
      "nct_id": "NCT05726370",
      "title": "Preoperative Pembrolizumab and Chemotherapy in Resectable, Recurrent HNSCC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma",
        "Head and Neck Cancer",
        "Resectable Head and Neck Squamous Cell Carcinoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Second Primary Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "CISPLATIN",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2023-05-20",
      "completion_date": "2030-05-20",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05726370"
    },
    {
      "nct_id": "NCT00036790",
      "title": "Motexafin Gadolinium and Doxorubicin in Treating Patients With Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Colorectal Cancer",
        "Head and Neck Cancer",
        "Leukemia",
        "Lung Cancer",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic/Myeloproliferative Diseases",
        "Prostate Cancer",
        "Small Intestine Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "motexafin gadolinium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": null,
      "start_date": "2002-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Madison, Wisconsin",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00036790"
    },
    {
      "nct_id": "NCT03546582",
      "title": "SBRT +/- Pembrolizumab in Patients With Local-Regionally Recurrent or Second Primary Head and Neck Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma (HNSCC)"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "RTOG Foundation, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2018-11-14",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Tampa, Florida • Weston, Florida + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Weston",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03546582"
    },
    {
      "nct_id": "NCT00003856",
      "title": "Photodynamic Therapy in Treating Patients With Recurrent, Refractory, or Second Primary Head and Neck Cancer That Cannot Be Treated With Surgery or Radiation Therapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "temoporfin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Quintiles, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "1998-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 7,
      "location_summary": "Little Rock, Arkansas • Tampa, Florida • Evanston, Illinois + 4 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003856"
    },
    {
      "nct_id": "NCT00017511",
      "title": "Cevimeline in Treating Patients With Dry Mouth Caused by Radiation Therapy for Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Oral Complications",
        "Radiation Toxicity"
      ],
      "interventions": [
        {
          "name": "cevimeline hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-06",
      "completion_date": "2003-03",
      "has_results": false,
      "last_update_posted_date": "2012-05-16",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 61 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00017511"
    },
    {
      "nct_id": "NCT03521570",
      "title": "Intensity-Modulated Radiation Therapy & Nivolumab for Recurrent or Second Primary Head & Neck Squamous Cell Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "IMRT",
          "type": "RADIATION"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2018-06-28",
      "completion_date": "2023-09-07",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Cleveland, Ohio • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03521570"
    },
    {
      "nct_id": "NCT02110992",
      "title": "Safety Study of SBRT and Docetaxel for Locally Recurrent or Second Primary Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2014-04",
      "completion_date": "2017-03-29",
      "has_results": false,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-06-28T10:15:21.226Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110992"
    }
  ]
}