{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Skull+Base+Neoplasm&page=2",
    "query": {
      "condition": "Skull Base Neoplasm",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Skull+Base+Neoplasm&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T23:08:21.020Z",
  "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": "NCT04635657",
      "title": "Cognitive Status After Removal of Skull Base Meningioma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningioma",
        "Skull Base Meningioma",
        "Frontal Meningioma",
        "Temporal Meningioma",
        "Cognitive Impairment",
        "Cognitive Decline",
        "Post-Surgical Cognition"
      ],
      "interventions": [
        {
          "name": "Long-term Cognitive testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 50,
      "start_date": "2019-12-10",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04635657"
    },
    {
      "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": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01212731"
    },
    {
      "nct_id": "NCT04241679",
      "title": "Auditory Nerve Test System During Vestibular Schwannoma Resection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vestibular Schwannoma",
        "Acoustic Neuroma",
        "Sensorineural Hearing Loss",
        "Asymmetric Sensorineural Hearing Loss",
        "Cochlear Nerve Damage",
        "Cochlear Nerve Deafness",
        "Skull Base Neoplasms",
        "Auditory; Nerve"
      ],
      "interventions": [
        {
          "name": "Auditory Nerve Test System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2020-01-20",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04241679"
    },
    {
      "nct_id": "NCT03972514",
      "title": "Observational Trial of the Impact of Radiation Dose in Children With Brain and Skull Base Tumors.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumor",
        "Brain Cancer",
        "Skull Base Tumor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Baptist Health South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "1 Year to 35 Years"
      },
      "enrollment_count": 60,
      "start_date": "2019-03-08",
      "completion_date": "2030-03",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03972514"
    },
    {
      "nct_id": "NCT00592748",
      "title": "Charged Particle RT for Chordomas and Chondrosarcomas of the Base of Skull or Cervical Spine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chordoma",
        "Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "Charged Particle Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 381,
      "start_date": "1999-06",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00592748"
    },
    {
      "nct_id": "NCT06501716",
      "title": "ICG Angiogram as a Predictor of Postoperative Visual Function After EEA Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Indocyanine Green",
        "Skull Base Neoplasms"
      ],
      "interventions": [
        {
          "name": "Indocyanine Green",
          "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": 40,
      "start_date": "2024-07",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-22",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06501716"
    },
    {
      "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": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797602"
    },
    {
      "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": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870779"
    },
    {
      "nct_id": "NCT00496522",
      "title": "Proton Beam Therapy for Chondrosarcoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chondrosarcoma"
      ],
      "interventions": [
        {
          "name": "Proton Beam Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 15,
      "start_date": "2006-04-28",
      "completion_date": "2026-08-19",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00496522"
    },
    {
      "nct_id": "NCT02165969",
      "title": "Olfactory Function Following Endoscopic Endonasal Skull Base Surgery",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skull Base Pathology"
      ],
      "interventions": [
        {
          "name": "endoscopic endonasal surgery with UPSIT",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ricardo L. Carrau, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2014-06",
      "completion_date": "2017-10-25",
      "has_results": true,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-07-23T23:08:21.020Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02165969"
    }
  ]
}