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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Klippel-Trenaunay Syndrome Clear all
Completed Phase 2 Interventional

A Study to Determine the Safety and Tolerability of 2 Concentrations of QLS-101

NCT04947124
View directory record Official record
Conditions
Sturge-Weber Syndrome (SWS), Glaucoma, Glaucoma Congenital, Ocular Hypertension
Interventions
QLS-101ophthalmic solution 1%, QLS-101ophthalmic solution 2%
Drug
Lead sponsor
Qlaris Bio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Jun 10, 2026, 9:26 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Innovative Approaches to Gauge Progression of Sturge-Weber Syndrome

NCT01425944
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Not listed
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
1 Month and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2027
U.S. locations
7
States / cities
Baltimore, Maryland • Detroit, Michigan • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jun 10, 2026, 9:26 AM EDT
Completed No phase listed Observational

Biomarker Development in Sturge-Weber Syndrome

NCT01345305
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Not listed
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
6 Months to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 15, 2020 · Synced Jun 10, 2026, 9:26 AM EDT
Withdrawn Phase 2 Interventional

Adjunctive Everolimus (RAD 001) Therapy for Epilepsy in Children With Sturge-Weber Syndrome (SWS)

NCT01997255
View directory record Official record
Conditions
Sturge Weber Syndrome
Interventions
Everolimus
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Jun 10, 2026, 9:26 AM EDT
Recruiting No phase listed Observational

Lymphatic Anomalies Registry for the Assessment of Outcome Data

NCT02399527
View directory record Official record
Conditions
Lymphatic Malformation, Generalized Lymphatic Anomaly (GLA), Central Conducting Lymphatic Anomaly, CLOVES Syndrome, Gorham-Stout Disease ("Disappearing Bone Disease"), Blue Rubber Bleb Nevus Syndrome, Kaposiform Lymphangiomatosis, Kaposiform Hemangioendothelioma/Tufted Angioma, Klippel-Trenaunay Syndrome, Lymphangiomatosis
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Trial of Sirolimus for Cognitive Impairment in Sturge-Weber Syndrome

NCT03047980
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Sirolimus
Drug
Lead sponsor
Anne Comi, MD
Other
Eligibility
3 Years to 31 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Jun 10, 2026, 9:26 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Longitudinal Neuroimaging in Sturge-Weber Syndrome

NCT04517565
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Brain magnetic resonance imaging, Neuro-psychology testing
Diagnostic Test · Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
3 Months to 30 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jun 10, 2026, 9:26 AM EDT
Recruiting Phase 2 Interventional

A Phase 2 Study of Mutant-selective PI3Kα Inhibitor, RLY-2608, in Adults and Children With PIK3CA Related Overgrowth Spectrum and Malformations Driven by PIK3CA Mutation

NCT06789913
View directory record Official record
Conditions
PIK3CA-Related Overgrowth Spectrum (PROS), Lymphatic Malformations, Vascular Malformations, PIK3CA Mutation, CLOVES Syndrome, Klippel Trenaunay Syndrome, Megalencephaly-capillary Malformation Polymicrogyria Syndrome (MCAP)
Interventions
RLY-2608, Placebo
Drug
Lead sponsor
Relay Therapeutics, Inc.
Industry
Eligibility
2 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
19
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 10, 2026, 9:26 AM EDT
Active, not recruiting Not applicable Interventional

Safety of the Sonablate HIFU System for the Ablation of Incompetent Veins of the Periphery

NCT06642051
View directory record Official record
Conditions
Chronic Venous Insufficiency, CVI, Venous Malformations, Venous Leg Ulcers, Klippel-Trenaunay Syndrome, CLOVES Syndrome, Blue Rubber Bleb Nevus Syndrome
Interventions
High Intensity focused ultrasound
Device
Lead sponsor
Sonablate
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Darien, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Jun 10, 2026, 9:26 AM EDT
Terminated Phase 1 Interventional

Treatment of Port-wine Mark in Sturge-Weber Syndrome Using Topical Timolol

NCT01533376
View directory record Official record
Conditions
Sturge Weber Syndrome, Port-wine Mark
Interventions
Timolol, Preservative free artificial tear gel.
Drug
Lead sponsor
Wills Eye
Other
Eligibility
2 Years to 10 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Phase 1 Interventional

Use of the Atkins Diet for Children With Sturge Weber Syndrome

NCT00639730
View directory record Official record
Conditions
Epilepsy, Sturge Weber Syndrome
Interventions
modified Atkins diet
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 26, 2010 · Synced Jun 10, 2026, 9:26 AM EDT
Withdrawn Not applicable Interventional

Use of a Tonometer to Identify Epileptogenic Lesions During Pediatric Epilepsy Surgery

NCT04344626
View directory record Official record
Conditions
Epilepsy, Focal Cortical Dysplasia, Tuberous Sclerosis, Hemimegalencephaly, Polymicrogyria, Rasmussen Encephalitis, Sturge-Weber Syndrome, Gliosis, Stroke, Tumor, Brain
Interventions
Intra-operative brain tonometry
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Jun 10, 2026, 9:26 AM EDT
Completed No phase listed Observational

Incidence of Ocular Antibodies in Patients With Sturge - Weber Syndrome (SWS)

NCT00610402
View directory record Official record
Conditions
Sturge - Weber Syndrome (SWS)
Interventions
blood sample tear drop sample
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Phase 2 Interventional Results available

Novel Cognitive Treatment Targets for Epidiolex in Sturge- Weber Syndrome

NCT04447846
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Cannabidiol
Drug
Lead sponsor
Anne Comi, MD
Other
Eligibility
3 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Phase 2 Interventional

Safety and Tolerability Study of QLS-101 in Adolescents With Sturge-Weber Syndrome (SWS)-Related Glaucoma Due to Elevated Episcleral Venous Pressure (EVP)

NCT05495269
View directory record Official record
Conditions
Sturge-Weber Syndrome, Glaucoma, Ocular Hypertension
Interventions
QLS-101 ophthalmic solution, 2.0 %
Drug
Lead sponsor
Qlaris Bio, Inc.
Industry
Eligibility
12 Years to 19 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Jun 10, 2026, 9:26 AM EDT
Recruiting No phase listed Observational

Identification of Biomarkers for Patients with Vascular Anomalies

NCT03001180
View directory record Official record
Conditions
Vascular Anomaly, Generalized Lymphatic Anomaly, Kaposiform Hemangioendothelioma, Kaposiform Lymphangiomatosis, Gorham-Stout Disease, Klippel Trenaunay Syndrome, Congenital Lipomatous Overgrowth, Vascular Malformations, and Epidermal Nevi
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2050
U.S. locations
2
States / cities
Boston, Massachusetts • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Jun 10, 2026, 9:26 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Studies to Identify Biomarkers for Sturge-Weber Syndrome

NCT04717427
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Not listed
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
8
States / cities
San Francisco, California • Chicago, Illinois • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Not applicable Interventional

Vascular Anomaly Pathology and Genomics Biopsy Study

NCT04836884
View directory record Official record
Conditions
Vascular Malformations, Vascular Anomaly, Hemangioma, Arteriovenous Malformations, Venous Malformation, Klippel Trenaunay Syndrome, Lymphatic Malformation
Interventions
Percutaneous Vascular Anomaly/Malformation Biopsy
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Jun 10, 2026, 9:26 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Cannabidiol Expanded Access Study in Medically Refractory Sturge-Weber Syndrome

NCT02332655
View directory record Official record
Conditions
Sturge-Weber Syndrome
Interventions
Cannabidiol
Drug
Lead sponsor
Anne Comi, MD
Other
Eligibility
1 Month to 45 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jun 10, 2026, 9:26 AM EDT