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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Subarachnoid Haemorrhage Clear all
Not yet recruiting Not applicable Interventional

Noninvasive CA Monitoring Validation and Autonomic Modulation in Aneurysmal Subarachnoid Hemorrhage

NCT07577739
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Delayed Cerebral Ischemia, Cerebral Vasospasm, Autonomic Nervous System Diseases
Interventions
Right-Sided Cervical Sympathetic Block at C6, Transcutaneous Auricular Vagal Nerve Stimulation (taVNS)
Procedure · Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 21, 2026, 8:52 PM EDT
Terminated Phase 3 Interventional Results available

Acetaminophen in aSAH to Inhibit Lipid Peroxidation and Cerebral Vasospasm

NCT00585559
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage, Cerebral Vasospasm
Interventions
Placebos for acetaminophen and N-acetylcysteine, APAP 1 gm every 6 hours and N-acetylcysteine placebo, NAC IV infusion at 0.5 gm hourly and APAP placebo, APAP 1 gm q6 hours, plus NAC IV infusion at 0.5 gm hourly, APAP 1.5 gm q6 hours, plus NAC IV infusion at 0.5 gm hourly
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
20 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 3 Interventional Results available

Clinical Research Study With Clazosentan to Evaluate Its Effects on Preventing Complications Due to the Narrowing of the Blood Vessels (Vasospasm) in the Brain, Caused by Bleeding Onto the Surface of the Brain

NCT03585270
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Clazosentan, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
16
States / cities
Stanford, California • Jacksonville, Florida • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Jul 21, 2026, 8:52 PM EDT
Completed No phase listed Observational

Monitoring of Delayed Ischemia After Subarachnoid Hemorrhage

NCT01406457
View directory record Official record
Conditions
Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 3 Interventional

Hypothermia During Intracranial Aneurysm Surgery Trial

NCT00029133
View directory record Official record
Conditions
Aneurysm, Hypothermia, Subarachnoid Hemorrhage
Interventions
mild intraoperative hypothermia (33 degrees Celsius)
Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
19 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 21, 2026, 8:52 PM EDT
Active, not recruiting Phase 2 Interventional

Minocycline for Aneurysmal Subarachnoid Hemorrhage (MASH)

NCT04876638
View directory record Official record
Conditions
Aneurysm, Ruptured, Vasospasm, Intracranial, Delayed Cerebral Ischemia, Blood Brain Barrier Defect
Interventions
Minocyclin
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Jul 21, 2026, 8:52 PM EDT
Terminated Not applicable Interventional

Does Static Ultrasound-Preview Reduce the Incidence of Difficult Lumbar Puncture?

NCT00317382
View directory record Official record
Conditions
Headache, Meningitis, Subarachnoid Hemorrhage
Interventions
Ultrasound
Device
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Jul 21, 2026, 8:52 PM EDT
Not listed Not applicable Interventional

An Evaluation of Non-invasive Acoustic Approach to Detect and Monitor Cerebral Vasospasm

NCT02704637
View directory record Official record
Conditions
Vasospasm, Intracranial, Subarachnoid Hemorrhage
Interventions
HS-1000
Device
Lead sponsor
HeadSense Medical
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Jul 21, 2026, 8:52 PM EDT
Active, not recruiting Not applicable Interventional

International Subarachnoid Aneurysm Trial II

NCT01668563
View directory record Official record
Conditions
Intracranial Hemorrhage Ruptured Aneurysm
Interventions
surgical management, Endovascular management
Procedure
Lead sponsor
Centre hospitalier de l'Université de Montréal (CHUM)
Other
Eligibility
18 Years and older
Enrollment
1,724 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Multiple Ascending Dose Study of Safety and Pharmacokinetics of NP10679 in Normal Healthy Volunteers

NCT04007263
View directory record Official record
Conditions
Stroke, Ischemic, Pain, Postoperative, Substance Abuse, Subarachnoid Hemorrhage
Interventions
Placebo, NP10679
Drug
Lead sponsor
Neurop Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 21, 2026, 8:52 PM EDT
Recruiting Phase 2Phase 3 Interventional

Transnasal Sphenopalatine Ganglion Block for Treatment of Acute Subarachnoid Hemorrhage Associated Headache

NCT06621329
View directory record Official record
Conditions
SAH (Subarachnoid Hemorrhage), Headache
Interventions
Transnasal sphenopalatine ganglion block
Combination Product
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Jul 21, 2026, 8:52 PM EDT
Active, not recruiting No phase listed Observational

Evaluation of Cerebral Spinal Fluid and Blood in Patients With Subarachnoid Hemorrhage

NCT00593268
View directory record Official record
Conditions
Subarachnoid Hemorrhage
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 21, 2026, 8:52 PM EDT
Terminated Not applicable Interventional Results available

Impact of Fever Prevention in Brain Injured Patients

NCT02996266
View directory record Official record
Conditions
Fever, Ischemic Stroke, Intracerebral Hemorrhage, Subarachnoid Hemorrhage
Interventions
Targeted Temperature Management, Standard Care
Device · Other
Lead sponsor
C. R. Bard
Industry
Eligibility
21 Years to 85 Years
Enrollment
686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
28
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Jul 21, 2026, 8:52 PM EDT
Withdrawn Phase 2 Interventional

Clevidipine for Vasospasm After Subarachnoid Hemorrhage (SAH)

NCT02011321
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Cerebral Aneurysm, Vasospasm, Intracranial
Interventions
clevidipine
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 3 Interventional

Simvastatin in Aneurysmal Subarachnoid Haemorrhage (STASH) a Multicentre Randomised Controlled Clinical Trial

NCT00731627
View directory record Official record
Conditions
Subarachnoid Haemorrhage
Interventions
placebo, simvastatin
Drug
Lead sponsor
Cambridge University Hospitals NHS Foundation Trust
Other
Eligibility
18 Years to 65 Years
Enrollment
803 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Headache in Aneurysmal Subarachnoid Hemorrhage

NCT02330094
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Jul 21, 2026, 8:52 PM EDT
Terminated Phase 2 Interventional Results available

Milrinone in Addition to Hyperdynamic Therapy in the Treatment of Vasospasm Following Aneurysmal Subarachnoid Hemorrhage

NCT02712788
View directory record Official record
Conditions
Cerebral Vasospasm
Interventions
Milrinone, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Jul 21, 2026, 8:52 PM EDT
Completed No phase listed Observational

Predicting the Development of Myocardial Depression in Acute Neurological Patients

NCT03801694
View directory record Official record
Conditions
Myocardial Depression, Takotsubo Syndrome, Subarachnoid Hemorrhage, Acute Ischemic Stroke
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
50 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Subarachnoid Hemorrhage Recovery And Galantamine

NCT02872857
View directory record Official record
Conditions
Subarachnoid Hemorrhage
Interventions
Placebo, 8mg galantamine twice daily, 12mg galantamine twice daily
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Phase 2 Interventional

Balloon Prophylaxis of Aneurysmal Vasospasm

NCT00282893
View directory record Official record
Conditions
Aneurysm, Vasospasm
Interventions
transluminal ballooning, currently existing therapies for the treatment of vasospasm
Procedure · Other
Lead sponsor
University of California, Davis
Other
Eligibility
17 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
3
States / cities
Sacramento, California • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 14, 2017 · Synced Jul 21, 2026, 8:52 PM EDT
Completed Not applicable Interventional

Cerebrospinal Fluid (CSF) Drainage Study

NCT01420978
View directory record Official record
Conditions
Aneurysmal Subarachnoid Hemorrhage
Interventions
CSF Diversion
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Jul 21, 2026, 8:52 PM EDT
Withdrawn Not applicable Interventional

Analysis Of Intracranial Artery Lesions Using 2-D/3D Phase Contrast MR

NCT00710281
View directory record Official record
Conditions
Intracranial Arterial Aneurysm
Interventions
Additional scan time on standard MR angiography
Radiation
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 17, 2013 · Synced Jul 21, 2026, 8:52 PM EDT
Recruiting No phase listed Observational

Effect of the Stellate Ganglion Block on the Retinal Microcirculation

NCT06797752
View directory record Official record
Conditions
OCTA, Severe Brain Injury, Subarachnoid Hemorrhage, Intracerebral Hemorrhage
Interventions
OCTA Scan
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Jul 21, 2026, 8:52 PM EDT
Terminated Phase 2 Interventional

Safety Study of Cervical Sympathetic Block for Cerebral Vasospasm Following Aneurysmal Subarachnoid Hemorrhage

NCT00930072
View directory record Official record
Conditions
Vasospasm
Interventions
Cervical Sympathetic Block (bupivicaine, clonidine)
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Jul 21, 2026, 8:52 PM EDT