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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Skull Base Tumor Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Chemosensory Dysfunction and Recovery in Endoscopic Endonasal Skull Base Surgery

NCT05912881
View directory record Official record
Conditions
Anosmia, Skull Base Neoplasms
Interventions
Olfactory training, Placebo training
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Withdrawn No phase listed Observational

Esthesioneuroblastoma: Outcomes After Treatment

NCT02580136
View directory record Official record
Conditions
Esthesioneuroblastoma, Olfactory
Interventions
Not listed
Lead sponsor
Ricardo L. Carrau, MD
Other
Eligibility
10 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Sep 10, 2026, 11:23 AM EDT
Recruiting No phase listed Observational

Molecular and Cellular Characterization of Skull Base Tumors

NCT03759717
View directory record Official record
Conditions
Skull Base Neoplasm, Cellular Pathology
Interventions
Observation
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
4,000 participants
Timeline
2018 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Not applicable Interventional

Auditory Nerve Test System During Vestibular Schwannoma Resection

NCT04241679
View directory record Official record
Conditions
Vestibular Schwannoma, Acoustic Neuroma, Sensorineural Hearing Loss, Asymmetric Sensorineural Hearing Loss, Cochlear Nerve Damage, Cochlear Nerve Deafness, Skull Base Neoplasms, Auditory; Nerve
Interventions
Auditory Nerve Test System
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
12 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 10, 2026, 11:23 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Longitudinal Recovery of Laboratory, Clinical, and Community-Based Measures of Head and Trunk Control in People With Acquired Vestibulopathy

NCT04594057
View directory record Official record
Conditions
Vestibular Schwannoma, Vestibular Disorder
Interventions
Gaze and Postural Retraining Exercise
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 10, 2026, 11:23 AM EDT
Active, not recruiting Phase 2 Interventional

Proton Beam Therapy for Chondrosarcoma

NCT00496522
View directory record Official record
Conditions
Chondrosarcoma
Interventions
Proton Beam Therapy
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Not applicable Interventional Results available

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

NCT03072186
View directory record Official record
Conditions
Skull Base Neoplasms, Skull Neoplasms, Bone Neoplasm, Neoplasms, Bone Diseases, Musculoskeletal Disease
Interventions
near-infrared light nasal endoscope used with ICG
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Phase 1 Interventional

Thalidomide and Docetaxel in Treating Patients With Advanced Cancer

NCT00049296
View directory record Official record
Conditions
Cancer
Interventions
docetaxel, thalidomide
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 10, 2010 · Synced Sep 10, 2026, 11:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Role of Novel RADA16 Hydrogel in Endoscopic Skull Base Surgery

NCT05898074
View directory record Official record
Conditions
Skull Base Neoplasms, Cerebrospinal Fluid Leakage, Nasal; Hypertrophy, Mucous Membrane (Septum)
Interventions
Non-Absorbable Packing (Silastic Splint), PuraGel (RADA16) Hydrogel
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Completed No phase listed Observational

Brain Imaging Changes Following Proton Therapy for Pediatric Primary Central Nervous System and Base of Skull Tumors

NCT04296617
View directory record Official record
Conditions
Malignant Central Nervous System Neoplasm, Malignant Skull Base Neoplasm
Interventions
Medical Chart Review
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Up to 21 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Sep 10, 2026, 11:23 AM EDT
Recruiting No phase listed Observational

Cognitive Status After Removal of Skull Base Meningioma

NCT04635657
View directory record Official record
Conditions
Meningioma, Skull Base Meningioma, Frontal Meningioma, Temporal Meningioma, Cognitive Impairment, Cognitive Decline, Post-Surgical Cognition
Interventions
Long-term Cognitive testing
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Timeline
2019 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Withdrawn Not applicable Interventional

Improvement of Outcomes in Draf III/Endoscopic Modified Lothrop Procedure

NCT02981017
View directory record Official record
Conditions
Chronic Sinusitis, Frontal Sinusitis
Interventions
Porcine Intestinal submucosal xenograft
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2020 · Synced Sep 10, 2026, 11:23 AM EDT
Recruiting Phase 2 Interventional

Neoadjuvant Chemotherapy and Programmed Cell Death Protein 1(PD-1) Inhibition for Head and Neck Cancer Treatment De-escalation (NeoScorch HN)

NCT07209189
View directory record Official record
Conditions
Head and Neck Cancer, Squamous Cell Carcinoma, Oral Cavity Cancer, Oropharyngeal Cancer, Laryngeal Cancer, Sinonasal Squamous Cell Carcinoma, HPV (Human Papillomavirus)-Associated Carcinoma, Skull Base Tumors, HPV 16 Positive Oropharyngeal Tumors (OPC)
Interventions
Toripalimab + Chemotherapy, Toripalimab, Chemoradiotherapy or radiation
Drug · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Terminated No phase listed Observational Results available

Olfactory Function Following Endoscopic Endonasal Skull Base Surgery

NCT02165969
View directory record Official record
Conditions
Skull Base Pathology
Interventions
endoscopic endonasal surgery with UPSIT
Procedure
Lead sponsor
Ricardo L. Carrau, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Phase 2 Interventional

Phase 2 Ascending Dose Safety and Efficacy Study of RVP-001, a Manganese-based MRI Contrast Agent

NCT06322342
View directory record Official record
Conditions
Central Nervous System (CNS) Lesions, Brain Metastases, Brain Neoplasms, Brain Neoplasms, Benign, Brain Tumor, Primary, Brain Tumor, Recurrent, Brain Tumors, Brain Cancer, Brain Tumor, Brain Neoplasm, Primary, Multiple Sclerosis, Multiple Sclerosis Brain Lesion, Neurofibroma, Acoustic Neuroma, CNS Tumor, CNS Lesion, CNS Metastases, CNS Cancer, CNS Lymphoma, Von Hippel Lindau, Meningioma, Glioma, Schwannomas, Neuroinflammation, Neoplasia
Interventions
RVP-001
Drug
Lead sponsor
Reveal Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
5
States / cities
New Haven, Connecticut • Boston, Massachusetts • Columbia, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 10, 2026, 11:23 AM EDT
Recruiting Phase 4 Interventional

Serial Magnetic Resonance Imaging for the Prediction of Radiation-Induced Changes in Normal Tissue of Patients With Oral Cavity or Skull Base Tumors

NCT04265430
View directory record Official record
Conditions
Malignant Oral Cavity Neoplasm, Malignant Skull Base Neoplasm, Osteoradionecrosis
Interventions
Contrast Agent, Magnetic Resonance Imaging, Quality-of-Life Assessment, Questionnaire Administration
Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Completed No phase listed Observational

Proton Therapy for Chordomas and/or Chondrosarcomas

NCT00797602
View directory record Official record
Conditions
Chordomas, Chondrosarcomas
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Sep 10, 2026, 11:23 AM EDT
Active, not recruiting Phase 2 Interventional

Proton Beam Therapy for Chordoma Patients

NCT00496119
View directory record Official record
Conditions
Chordoma
Interventions
Proton Beam Therapy, Photon Beam Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Not applicable Interventional

In-Room PET in Proton Radiation Therapy

NCT01228448
View directory record Official record
Conditions
Brain Tumor, Head and Neck Tumor, Skull Base Tumor
Interventions
PET scan
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Sep 10, 2026, 11:23 AM EDT
Not listed No phase listed Observational

ICG Angiogram as a Predictor of Postoperative Visual Function After EEA Surgery

NCT06501716
View directory record Official record
Conditions
Indocyanine Green, Skull Base Neoplasms
Interventions
Indocyanine Green
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced Sep 10, 2026, 11:23 AM EDT
Active, not recruiting No phase listed Observational

Long-Term Longitudinal QoL in Patients Undergoing EEA

NCT04087902
View directory record Official record
Conditions
Pituitary Tumor, Meningioma, Rathke Cleft Cysts, Chordoma, Chondrosarcoma, Craniopharyngioma, Encephalocele, Esthesioneuroblastoma
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Timeline
2019 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 10, 2026, 11:23 AM EDT
Not yet recruiting Not applicable Interventional

Optic Nerve Stimulation To Prevent Visual Deficits After Endoscopic Cranial Approaches

NCT06495580
View directory record Official record
Conditions
Optic Nerve Injuries, Sellar Tumor, Skull Base Neoplasms
Interventions
Optic Nerve Stimulation
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Phase 1 Interventional

Fluorescence Guided Resection of Brain Tumors

NCT00870779
View directory record Official record
Conditions
Brain Tumors
Interventions
5-aminolevulinic acid
Drug
Lead sponsor
David W. Roberts
Other
Eligibility
21 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 10, 2026, 11:23 AM EDT
Completed Phase 1Phase 2 Interventional

Charged Particle RT for Chordomas and Chondrosarcomas of the Base of Skull or Cervical Spine

NCT00592748
View directory record Official record
Conditions
Chordoma, Chondrosarcoma
Interventions
Charged Particle Radiation Therapy
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Sep 10, 2026, 11:23 AM EDT