{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Malignant+Skull+Base+Neoplasm",
    "query": {
      "condition": "Malignant Skull Base Neoplasm"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:45:06.791Z",
  "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": "2026-05-22T09:45:06.791Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984074"
    },
    {
      "nct_id": "NCT04265430",
      "title": "Serial Magnetic Resonance Imaging for the Prediction of Radiation-Induced Changes in Normal Tissue of Patients With Oral Cavity or Skull Base Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Malignant Oral Cavity Neoplasm",
        "Malignant Skull Base Neoplasm",
        "Osteoradionecrosis"
      ],
      "interventions": [
        {
          "name": "Contrast Agent",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "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": 425,
      "start_date": "2018-09-17",
      "completion_date": "2031-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-05-22T09:45:06.791Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04265430"
    },
    {
      "nct_id": "NCT06176989",
      "title": "Enasidenib in IDH2-Mutated Malignant Sinonasal and Skull Base Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Chondrosarcoma",
        "Locally Advanced Chondrosarcoma",
        "Metastatic Sinonasal Adenocarcinoma",
        "Locally Advanced Sinonasal Adenocarcinoma",
        "Metastatic Large-cell Neuroendocrine Carcinoma",
        "Locally Advanced Large-cell Neuroendocrine Carcinoma",
        "Metastatic Olfactory Neuroblastoma",
        "Locally Advanced Olfactory Neuroblastoma",
        "Metastatic Sinonasal Undifferentiated Carcinoma",
        "Locally Advanced Sinonasal Undifferentiated Carcinoma"
      ],
      "interventions": [
        {
          "name": "Enasidenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-03-04",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-05-22T09:45:06.791Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06176989"
    },
    {
      "nct_id": "NCT04296617",
      "title": "Brain Imaging Changes Following Proton Therapy for Pediatric Primary Central Nervous System and Base of Skull Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Central Nervous System Neoplasm",
        "Malignant Skull Base Neoplasm"
      ],
      "interventions": [
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 36,
      "start_date": "2019-01-21",
      "completion_date": "2023-10-23",
      "has_results": false,
      "last_update_posted_date": "2024-05-17",
      "last_synced_at": "2026-05-22T09:45:06.791Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04296617"
    },
    {
      "nct_id": "NCT00870779",
      "title": "Fluorescence Guided Resection of Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Tumors"
      ],
      "interventions": [
        {
          "name": "5-aminolevulinic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David W. Roberts",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2007-05",
      "completion_date": "2013-07-02",
      "has_results": false,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-05-22T09:45:06.791Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870779"
    }
  ]
}