{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Skull+Base+Tumor",
    "query": {
      "condition": "Skull Base Tumor"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Skull+Base+Tumor&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T02:41:17.327Z",
  "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": "NCT01212731",
      "title": "Skull Base and Low Grade Glioma Neurocognitive Magnetic Resonance Imaging (MRI) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignancy",
        "Glioma",
        "Radiotherapy"
      ],
      "interventions": [
        {
          "name": "Photon treatment plans",
          "type": "RADIATION"
        },
        {
          "name": "Proton Treatment Plans",
          "type": "RADIATION"
        },
        {
          "name": "Neurocognitive evaluation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Advanced MRI imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2010-09",
      "completion_date": "2017-10-17",
      "has_results": false,
      "last_update_posted_date": "2020-04-08",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01212731"
    },
    {
      "nct_id": "NCT03072186",
      "title": "Proposal for Intraoperative Administration of Intravenous Indocyanine Green to Evaluate Position of the Optic Canal, Position of the Internal Carotid Arteries, Tumor Vascularization, and Vessel Encasement in Endoscopic Endonasal Cranial Base Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skull Base Neoplasms",
        "Skull Neoplasms",
        "Bone Neoplasm",
        "Neoplasms",
        "Bone Diseases",
        "Musculoskeletal Disease"
      ],
      "interventions": [
        {
          "name": "near-infrared light nasal endoscope used with ICG",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2017-11-06",
      "completion_date": "2019-01-24",
      "has_results": true,
      "last_update_posted_date": "2021-04-26",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03072186"
    },
    {
      "nct_id": "NCT06495580",
      "title": "Optic Nerve Stimulation To Prevent Visual Deficits After Endoscopic Cranial Approaches",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Optic Nerve Injuries",
        "Sellar Tumor",
        "Skull Base Neoplasms"
      ],
      "interventions": [
        {
          "name": "Optic Nerve Stimulation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2024-08",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06495580"
    },
    {
      "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": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984074"
    },
    {
      "nct_id": "NCT00496119",
      "title": "Proton Beam Therapy for Chordoma Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chordoma"
      ],
      "interventions": [
        {
          "name": "Proton Beam Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Photon Beam Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 19,
      "start_date": "2006-09-18",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00496119"
    },
    {
      "nct_id": "NCT01504399",
      "title": "Rhinological Outcomes in Endonasal Pituitary Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pituitary Neoplasm",
        "Pituitary Adenoma",
        "Prolactinoma",
        "Cushings Disease",
        "Acromegaly"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 235,
      "start_date": "2011-10-01",
      "completion_date": "2015-12-09",
      "has_results": false,
      "last_update_posted_date": "2018-08-22",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Santa Monica, California • Chicago, Illinois + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01504399"
    },
    {
      "nct_id": "NCT00797602",
      "title": "Proton Therapy for Chordomas and/or Chondrosarcomas",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chordomas",
        "Chondrosarcomas"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 189,
      "start_date": "2007-01",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797602"
    },
    {
      "nct_id": "NCT01322945",
      "title": "Barrow Nasal Inventory Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pituitary Tumors"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 94,
      "start_date": "2010-10",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01322945"
    },
    {
      "nct_id": "NCT05912881",
      "title": "Chemosensory Dysfunction and Recovery in Endoscopic Endonasal Skull Base Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anosmia",
        "Skull Base Neoplasms"
      ],
      "interventions": [
        {
          "name": "Olfactory training",
          "type": "OTHER"
        },
        {
          "name": "Placebo training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2023-02-01",
      "completion_date": "2026-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05912881"
    },
    {
      "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": "2026-05-22",
      "last_synced_at": "2026-06-11T02:41:17.327Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04265430"
    }
  ]
}