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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Skull Base Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

A Randomized Trial of Base-in Prism Reading Glasses Convergence Insufficiency in Children

NCT00347581
View directory record Official record
Conditions
Convergence Insufficiency
Interventions
Base-in prism glasses for reading, Placebo reading glasses
Procedure
Lead sponsor
Pennsylvania College of Optometry
Industry
Eligibility
9 Years to 18 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
10
States / cities
Birmingham, Alabama • Fullerton, California • Fort Lauderdale, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2006 · Synced Jun 10, 2026, 12:53 PM EDT
Not yet recruiting 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 Jun 10, 2026, 12:53 PM EDT
Completed Not applicable Interventional Results available

ICG Use in Angiography for Nasoseptal Flap Harvest

NCT02117310
View directory record Official record
Conditions
Skull Base Neoplasms
Interventions
indocyanine green
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Jun 10, 2026, 12:53 PM EDT
Completed No phase listed Interventional Results available

A New Approach to Vision Therapy Based on Naturalistic 3-D Computer Gaming

NCT03066063
View directory record Official record
Conditions
Amblyopia, Ocular Motility Disorders
Interventions
iCare, Amblyopia standard of Care, CI standard of Care
Device · Behavioral
Lead sponsor
Barron Associates, Inc.
Industry
Eligibility
4 Years to 18 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Not applicable Interventional

Silk Protein Microparticle-based Filler for Injection Augmentation

NCT03790956
View directory record Official record
Conditions
Vocal Cord Paralysis Unilateral, Dysphonia, Dysphagia, Oropharyngeal
Interventions
Silk Microparticle Filler Injection
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jun 10, 2026, 12:53 PM EDT
Withdrawn No phase listed Observational

Hearing Changes After Surgery

NCT04322747
View directory record Official record
Conditions
Hearing Loss
Interventions
Distortion product otoacoustic emissions (DPOAE)
Diagnostic Test
Lead sponsor
Gateway Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2022 · Synced Jun 10, 2026, 12:53 PM EDT
Terminated Not applicable Interventional Results available

Lumbar Drain After Endoscopic Surgery of the Skull Base

NCT03163134
View directory record Official record
Conditions
Quality of Life
Interventions
Lumbar Drain
Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT
Completed Phase 2 Interventional Results available

Lapatinib for Brain Metastases In ErbB2-Positive Breast Cancer

NCT00263588
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
lapatinib
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
28
States / cities
San Francisco, California • Vallejo, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

A Feasibility Study of a Modular Video Augmentation System for Image-Guided Skull Base Surgery

NCT01591954
View directory record Official record
Conditions
Feasibility of Video Augmentation System, Value of Video Augmentation Navigation
Interventions
Video Augmentation
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT
Recruiting No phase listed Observational

Assessment of Functional and Symptom Outcomes for Survivors of Paranasal Sinus, Nasopharyngeal and Skull Base Tumors

NCT05733091
View directory record Official record
Conditions
Tumors
Interventions
Standard of Care
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT
Not yet recruiting No phase listed Observational

In Vivo Imaging of the Olfactory Epithelium Using Confocal Laser Endomicroscopy

NCT07546617
View directory record Official record
Conditions
Endonasal Surgery, Endoscopic Sinus Surgery, Olfactory Dysfunction
Interventions
CONVIVO system, Conventional histologic evaluation, Fluorescein injection, USP 10%
Device · Other · Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jun 10, 2026, 12:53 PM EDT
Terminated Not applicable Interventional Results available

Arch Bars vs. IMF (Intermaxillary Fixation) Screws: Cost Effectiveness Based on Time Duration of Device Placement.

NCT01876979
View directory record Official record
Conditions
Mandible Fracture
Interventions
IMF Screws, Erich Arch Bars
Device
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Newark, Delaware • Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Jun 10, 2026, 12:53 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Office-based Vision Therapy for Improving Reading and Attention in Children With Convergence Insufficiency

NCT02207517
View directory record Official record
Conditions
Convergence Insufficiency
Interventions
Office-based vergence/accommodative therapy
Procedure
Lead sponsor
Salus University
Other
Eligibility
9 Years to 13 Years
Enrollment
311 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
8
States / cities
Birmingham, Alabama • Fullerton, California • Fort Lauderdale, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Jun 10, 2026, 12:53 PM EDT
Recruiting Phase 2 Interventional

Stereotactic Radiation for Growing/Changing Brain Metastases With Same-Day Radiation Planning and Treatment With Margin Reduction

NCT07132190
View directory record Official record
Conditions
Brain Metastases, Adult, Brain Tumor - Metastatic, Brain Metastases From Non-small Cell Lung Cancer (NSCLC), Brain Metastases From Extra-cranial Solid Tumors
Interventions
Linear accelerator-based stereotactic radiation for brain metastases using 0mm or 1mm PTV
Radiation
Lead sponsor
Ayal A. Aizer, MD
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Non-invasive Brain Stimulation for Treating Symptomatic Convergence Insufficiency

NCT05877560
View directory record Official record
Conditions
Convergence Insufficiency
Interventions
Anodal-Transcranial Direct Current Stimulation, Office-Based Vergence/Accommodative Therapy, Sham Transcranial Direct Current Stimulation
Device · Behavioral
Lead sponsor
Midwestern University
Other
Eligibility
18 Years to 40 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced Jun 10, 2026, 12:53 PM 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 Jun 10, 2026, 12:53 PM EDT