{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HPV-unrelated+Head+and+Neck+Squamous+Cell+Carcinoma",
    "query": {
      "condition": "HPV-unrelated Head and Neck Squamous Cell Carcinoma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T14:09:00.420Z",
  "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": "NCT03389477",
      "title": "Los Tres Paso: Neoadjuvant Palbociclib Monotherapy, Concurrent Chemoradiation Therapy, Adjuvant Palbociclib Monotherapy in Patients With p16INK4a Negative, HPV-Unrelated Head and Neck Squamous Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Cetuximab",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2018-04-27",
      "completion_date": "2027-04-06",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-07-23T14:09:00.420Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03389477"
    },
    {
      "nct_id": "NCT04966481",
      "title": "Palbociclib and Cetuximab Versus Cetuximab Monotherapy for Patients With CDKN2A-altered, HPV-unrelated Head and Neck Squamous Cell Carcinoma Who Experienced Disease Progression on a PD-1/L1 Inhibitor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HPV-unrelated Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Cetuximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2022-04-06",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-07-23T14:09:00.420Z",
      "location_count": 5,
      "location_summary": "Worthington, Minnesota • Kansas City, Missouri • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Worthington",
          "state": "Minnesota"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04966481"
    },
    {
      "nct_id": "NCT05053737",
      "title": "Radiotherapy in Combination With Atezolizumab Prior to Surgical Resection for HPV Unrelated HNSCC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2021-11-02",
      "completion_date": "2024-06-21",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-07-23T14:09:00.420Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Colorado Springs, Colorado • Highlands Ranch, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Highlands Ranch",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05053737"
    },
    {
      "nct_id": "NCT05678348",
      "title": "Pyrimethamine as an Inhibitor of NRF2 in HPV-unrelated Locally Advanced Head and Neck Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Cancer of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Pyrimethamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2023-08-03",
      "completion_date": "2025-08-04",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-07-23T14:09:00.420Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05678348"
    }
  ]
}