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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Skull Base Clear all
Completed No phase listed Observational

Skull Base and Low Grade Glioma Neurocognitive Magnetic Resonance Imaging (MRI) Study

NCT01212731
View directory record Official record
Conditions
Malignancy, Glioma, Radiotherapy
Interventions
Photon treatment plans, Proton Treatment Plans, Neurocognitive evaluation, Advanced MRI imaging
Radiation · Behavioral · Device
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Jun 10, 2026, 11:26 AM EDT
Not yet recruiting No phase listed Observational

Clinical Validation of AI-Based Quantitative Eye Movement Analysis From Smartphone 9-Gaze Videos (Glandy EOM)

NCT07623837
View directory record Official record
Conditions
Ocular Motility Disorders, Strabismus, Extraocular Muscle Dysfunction, Thyroid Eye Disease
Interventions
Glandy EOM (AI-based quantitative eye movement analysis software)
Device
Lead sponsor
THYROSCOPE INC.
Industry
Eligibility
22 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 AM EDT
Completed No phase listed Observational

MRI Mapping in Planning Radiation Therapy to the Base of Skull and Brain in Patients With Nonmetastatic Head and Neck Cancer

NCT00984074
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
blood-oxygen-level-dependent functional magnetic resonance imaging, diffusion tensor imaging, dynamic contrast-enhanced magnetic resonance imaging, functional magnetic resonance imaging, intensity-modulated radiation therapy, radiation therapy treatment planning/simulation
Procedure · Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 120 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jun 10, 2026, 11:26 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 Dec 15, 2025 · Synced Jun 10, 2026, 11:26 AM EDT
Active, not recruiting Not applicable Interventional

A Pilot Study to Evidence Improved Cranial Flap Fixation With a Bioresorbable Bone Adhesive

NCT06095531
View directory record Official record
Conditions
Craniotomy
Interventions
Tetranite for Cranial Flap Fixation (TN-CFF)
Device
Lead sponsor
RevBio
Industry
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jun 10, 2026, 11:26 AM EDT
Completed No phase listed Observational

Rhinological Outcomes in Endonasal Pituitary Surgery

NCT01504399
View directory record Official record
Conditions
Pituitary Neoplasm, Pituitary Adenoma, Prolactinoma, Cushings Disease, Acromegaly
Interventions
Not listed
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 80 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
4
States / cities
Phoenix, Arizona • Santa Monica, California • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 AM EDT
Completed Not applicable Interventional

Vestibular Balance Therapy Intervention for Children

NCT05741515
View directory record Official record
Conditions
Vestibulocochlear Nerve Diseases, Vestibular Disorder, Bilateral Vestibular Loss
Interventions
Vestibular Balance Therapy, Sham Intervention
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
4 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 10, 2026, 11:26 AM EDT
Completed Not applicable Interventional Results available

Convergence Insufficiency Treatment Study (CITS)

NCT01515943
View directory record Official record
Conditions
Convergence Insufficiency
Interventions
Active home-based computer vergence/accommodative therapy, Near target push-ups, Placebo home-based computer vergence/accommodative therapy, Placebo yoked prism flippers
Other · Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
9 Years to 17 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Cranberry TWP, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Jun 10, 2026, 11:26 AM EDT
Withdrawn Phase 1 Interventional

Topical Antibiotic Prophylaxis for Nasal Packing Post-ESBS

NCT04946435
View directory record Official record
Conditions
Intracranial Pathology
Interventions
Antibiotic Irrigation
Combination Product
Lead sponsor
Carl Snyderman
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Jun 10, 2026, 11:26 AM EDT
Terminated Phase 2 Interventional Results available

A Long-term Extension of Study RP103-MITO-001 (NCT02023866) to Assess Cysteamine Bitartrate Delayed-release Capsules (RP103) in Children With Inherited Mitochondrial Disease

NCT02473445
View directory record Official record
Conditions
Mitochondrial Diseases
Interventions
Cysteamine Bitartrate
Drug
Lead sponsor
Amgen
Industry
Eligibility
6 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
5
States / cities
San Diego, California • Stanford, California • Akron, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Jun 10, 2026, 11:26 AM EDT
Completed No phase listed Observational Results available

Barrow Nasal Inventory Survey

NCT01322945
View directory record Official record
Conditions
Pituitary Tumors
Interventions
Not listed
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Jun 10, 2026, 11:26 AM EDT
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 Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 AM EDT
Terminated Phase 2 Interventional Results available

The Role of 5-Aminolevulinic Acid Fluorescence-Guided Surgery in Head and Neck Cancers: a Pilot Trial

NCT05101798
View directory record Official record
Conditions
Neoplasm, Skull Base Neoplasm
Interventions
5-Aminolevulinic acid Hydrochloride
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Jun 10, 2026, 11:26 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Randomized Trial of Treatments for Convergence Insufficiency

NCT00347945
View directory record Official record
Conditions
Convergence Insufficiency
Interventions
Pencil Push-ups, Office-based Vision Therapy, Placebo Office-based Vision Therapy
Procedure
Lead sponsor
Pennsylvania College of Optometry
Industry
Eligibility
9 Years to 30 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
7
States / cities
Fullerton, California • New York, New York • Columbus, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2006 · Synced Jun 10, 2026, 11:26 AM EDT
Recruiting No phase listed Observational

Exploration of Personalized Biomarkers During Neoadjuvant Radiation Therapy for Spinal and Sacral Chordoma

NCT06463262
View directory record Official record
Conditions
Chordoma of Spine, Chordoma of Skull Base, Chordoma of Sacrum
Interventions
ctDNA
Diagnostic Test
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
40 participants
Timeline
2024 – 2031
U.S. locations
2
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 AM EDT
Active, not recruiting No phase listed Observational

Observational Trial of the Impact of Radiation Dose in Children With Brain and Skull Base Tumors.

NCT03972514
View directory record Official record
Conditions
Brain Tumor, Brain Cancer, Skull Base Tumor
Interventions
Not listed
Lead sponsor
Baptist Health South Florida
Other
Eligibility
1 Year to 35 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 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 Jun 10, 2026, 11:26 AM EDT
Withdrawn Phase 2 Interventional

Acetazolamide for the Prevention of Post Operative CSF Leak

NCT04351061
View directory record Official record
Conditions
Cerebrospinal Fluid Leak
Interventions
Acetazolamide
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Jun 10, 2026, 11:26 AM EDT