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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Subarachnoid Hemorrhage, Aneurysmal Clear all
Terminated Phase 2 Interventional Results available

Safety Study of Nicardipine to Treat Cerebral Vasospasm

NCT01810302
View directory record Official record
Conditions
Cerebral Vasospasm
Interventions
Nicardipine hydrochloride, Preservative-free normal saline
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 28, 2014 · Synced Jul 21, 2026, 9:57 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Effect of Intraventricular tPA Following Aneurysmal Subarachnoid Hemorrhage

NCT01878136
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Cerebral Vasospasm, Cerebral Aneurysm, Hydrocephalus
Interventions
Tissue Plasminogen Activator
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Jul 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

Aneurysmal Subarachnoid Hemorrhage and Superior Mesenteric Artery Flow Study

NCT02684500
View directory record Official record
Conditions
Intracranial Aneurysm
Interventions
Ultrasound
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Jul 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

Dysregulated CNS Inflammation After Acute Brain Injury

NCT03287557
View directory record Official record
Conditions
Traumatic Brain Injury, Aneurysmal Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 101 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Jul 21, 2026, 9:57 AM EDT
Terminated Not applicable Interventional Results available

Use of Simvastatin for the Prevention of Vasospasm in Aneurysmal Subarachnoid Hemorrhage

NCT00487461
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage, Cerebral Vasospasm
Interventions
Simvastatin 40 mg, Placebo, Simvastatin 80 mg
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 24, 2015 · Synced Jul 21, 2026, 9:57 AM EDT
Not listed No phase listed Observational

Neuroinflammatory Response and Headache Control in Patients After Subarachnoid Hemorrhage

NCT03604276
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Headache, Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
MaineHealth
Other
Eligibility
18 Years and older
Enrollment
60 participants
Timeline
2017 – 2026
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Jul 21, 2026, 9:57 AM EDT
Terminated Phase 3 Interventional

Clazosentan in Aneurysmal Subarachnoid Hemorrhage

NCT00940095
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Clazosentan 5 m/h, Clazosentan 15 mg/h, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
29
States / cities
Glendale, California • San Francisco, California • Stanford, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2018 · Synced Jul 21, 2026, 9:57 AM EDT
Not listed Phase 1Phase 2 Interventional

Safety and Feasibility of Hypertonic Saline Solution After Aneurysmal Subarachnoid Hemorrhage:

NCT02432157
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Cerebral Vasospasm, Hyponatremia
Interventions
HTS 3%, Standard fluid management
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2016 · Synced Jul 21, 2026, 9:57 AM EDT
Recruiting Phase 2 Interventional

BLOCK-SAH - PPF-Block for Post-SAH Headache

NCT06008795
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Headache
Interventions
Pterygopalatine Fossa Nerve Block with Ropivacaine and Dexamethasone, Placebo Pteryogpalatine Fossa Injection
Drug · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 85 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
13
States / cities
Gainesville, Florida • Miami, Florida • Stuart, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

Global Impact of the COVID 19 Pandemic on Stroke Care, Cerebral Venous Thrombosis, and Subarachnoid Hemorrhage

NCT04934020
View directory record Official record
Conditions
Stroke
Interventions
Pre-pandemic stroke related metrics, Stroke related metrics during the pandemic
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
345,089 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Atlanta, Georgia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jul 21, 2026, 9:57 AM EDT
Enrolling by invitation Not applicable Interventional

Cervical Sympathetic Block in Patients With Cerebral Vasospasm

NCT05230134
View directory record Official record
Conditions
Anesthesia, Local, Cerebral Vasospasm, Subarachnoid Hemorrhage, Aneurysmal
Interventions
Cervical sympathetic block
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jul 21, 2026, 9:57 AM EDT
Completed Phase 3 Interventional

Clazosentan in Reducing Vasospasm-related Morbidity and All-cause Mortality in Adult Patients With Aneurysmal Subarachnoid Hemorrhage Treated by Surgical Clipping

NCT00558311
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Clazosentan, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
11
States / cities
Phoenix, Arizona • Englewood, Colorado • Boston, Massachusetts + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced Jul 21, 2026, 9:57 AM EDT
Completed Phase 2 Interventional Results available

The Effects of Tiopronin on 3-Aminopropanal Level & Neurologic Outcome After Aneurysmal Subarachnoid Hemorrhage

NCT01095731
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Tiopronin, Placebo
Drug
Lead sponsor
E. Sander Connolly
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
3
States / cities
Gainesville, Florida • New York, New York • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Jul 21, 2026, 9:57 AM EDT
Terminated Early Phase 1 Interventional

Continuous Neurophysiological Monitoring Detection of Cerebral Vasospasm in Aneurysmal Subarachnoid Hemorrhage Subjects

NCT01343537
View directory record Official record
Conditions
Cerebral Vasospasm, SAH, Aneurysm
Interventions
Neuro Monitoring
Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Jul 21, 2026, 9:57 AM EDT
Completed No phase listed Observational

Identification of Novel Molecular Markers for Vasospasm

NCT02389634
View directory record Official record
Conditions
Cerebral Vasospasm, Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 21, 2026, 9:57 AM EDT
Completed Phase 4 Interventional Results available

Acetazolamide Challenge With Perfusion in the Prediction of Cerebral Vasospasm

NCT03377049
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Vasospasm, Cerebral
Interventions
Acetazolamide
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Jul 21, 2026, 9:57 AM EDT
Completed Early Phase 1 Interventional

Pterygopalatine Fossa Block in Aneurysmal Subarachnoid Hemorrhage

NCT05925478
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal
Interventions
Ptergyopalatine Fossa Block, Bupivacaine 0.25% Injectable Solution
Procedure · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Jul 21, 2026, 9:57 AM EDT
Withdrawn Not applicable Interventional

Effects of Head-of-Bed on Intracranial Pressure

NCT05604404
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal
Interventions
Supine, Semi-Recumbent, Semi-Recumbent with Legs Flexed
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 21, 2026, 9:57 AM EDT
Recruiting No phase listed Observational

Dome-Only Aneurysm Coiling in Severe Aneurysmal Subarachnoid Hemorrhage

NCT07250958
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 21, 2026, 9:57 AM EDT
Terminated Phase 4 Interventional Results available

The Intra-arterial Vasospasm Trial

NCT01996436
View directory record Official record
Conditions
Cerebral Vasospasm
Interventions
Nicardipine, Verapamil, Nicardipine + Verapamil + Nitroglycerin
Drug
Lead sponsor
Peng Roc Chen, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
5
States / cities
New Haven, Connecticut • Manhasset, New York • Winston-Salem, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated May 10, 2025 · Synced Jul 21, 2026, 9:57 AM EDT
Suspended Phase 2 Interventional

Aneurysmal Subarachnoid Hemorrhage Trial RandOmizing Heparin

NCT02501434
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage, Neurobehavioral Manifestations, Vasospasm, Intracranial, Intracranial Aneurysm, Heparin-induced Thrombocytopenia Type II
Interventions
Continuous Low-Dose IV Unfractionated Heparin Infusion
Drug
Lead sponsor
Robert F. James
Other
Eligibility
18 Years to 70 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
9
States / cities
New Haven, Connecticut • Gainesville, Florida • Tallahassee, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Jul 21, 2026, 9:57 AM EDT
Not yet recruiting No phase listed Observational

Continuous Assessment of Brain Blood Perfusion in Subarachnoid Hemorrhage Patients Using Near-Infrared Spectroscopy (NIRS)

NCT06932640
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal
Interventions
- Non-Invasive Near-infrared Spectroscopy (NIRS) device (HEM1 with Foresight Elite Sensor)
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 9:57 AM EDT
Terminated No phase listed Observational

Use of Brain Oxygen Tension Level and Cleaved-tau Protein to Detect Vasospasm After SAH

NCT00582868
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Cerebral Vasospasm
Interventions
Licox Brain Oxygen Monitor, CSF, Whole blood
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Jul 21, 2026, 9:57 AM EDT
Not listed Not applicable Interventional

Degradation of the Glycocalyx in Delayed Cerebral Ischemia After Aneurysmal Subarachnoid Hemorrhage

NCT03706768
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Glycocalyx
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Jul 21, 2026, 9:57 AM EDT