Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Subarachnoid Hemorrhage: early-phase trial registry
11 of 22 indexed Subarachnoid Hemorrhage trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #756 of 28,707 conditions by registered trial count.
22 US clinical trials · 11 currently recruiting · #756 of 28,707 conditions by registered trial count
Subarachnoid Hemorrhage: 22 US clinical trials tracked, 11 recruiting.
Subarachnoid Hemorrhage is the subject of 22 registered US clinical trials on ClinicalTrials.gov, 11 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 5 in Phase 1-2 (earlier-stage). The most active sponsor is University of Maryland, Baltimore, running 3 of these trials.
Enrollment posture brief
Registry condition subarachnoid-hemorrhage
OPEN 11 | RECR 50% | LATE 2 | EARLY 5 | RANK #756 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Subarachnoid Hemorrhage lists 11 open slots (50% of 22 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Subarachnoid Hemorrhage on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Subarachnoid Hemorrhage is recruiting above its size-band peers.
11 of 22 indexed trials (50%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Subarachnoid Hemorrhage trials is spread across many organizations.
University of Maryland, Baltimore accounts for 3 of 22 trials (13.6%). 19 distinct sponsors appear on at least one study for this condition label.
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Typical Subarachnoid Hemorrhage enrolment sits around 100 participants.
Median target enrolment is 100 among the 22 trials that report a genuine target (sentinel values excluded). 11 of those (50%) plan for fewer than 100 participants.
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Subarachnoid Hemorrhage splits between interventional and observational designs.
13 interventional and 9 observational studies make up this index (59.1% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
22 total, page 1 of 1
Stroke Recovery Initiative - Registry for Stroke Research Studies
University of California, San Francisco
NCT03318432
Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY
Massachusetts General Hospital
NCT04916210
Improving Outcomes for Patients With Life-Threatening Neurologic Illness
University of Maryland, Baltimore
NCT04189471
AFFECT Study for Patients With Intraventricular Hemorrhage, Subarachnoid Hemorrhage, Subdural Hematoma, and Ventriculitis
Ohio State University
NCT05649904
Lumbar Drain vs Extraventricular Drain to Prevent Vasospasm in Subarachnoid Hemorrhage
University of California, San Diego
NCT03065231
Prophylactic Antibiotics Useful With Antibiotic Impregnated External Ventricular Drains (EVDs)?
Montefiore Medical Center
NCT05001750
Auricular VNS Following Subarachnoid Hemorrhage
Anna Huguenard
NCT04557618
Optical Coherence Tomography Angiography in Neurological Disease
University of Texas Southwestern Medical Center
NCT06797765
Effect of the Stellate Ganglion Block on the Retinal Microcirculation
University of Texas Southwestern Medical Center
NCT06797752
Impact of NMES and HPRO on Recovery After SAH- Pilot Study
University of Maryland, Baltimore
NCT03201094
Hyperpolarized 13C-pyruvate Metabolic MRI With Traumatic Brain Injury
University of Maryland, Baltimore
NCT06103201
Evaluation of Cerebral Spinal Fluid and Blood in Patients With Subarachnoid Hemorrhage
Vanderbilt University Medical Center
NCT00593268
PRET: Patients Prone to Recurrence After Endovascular Treatment
Centre hospitalier de l'Université de Montréal (CHUM)
NCT00626912
Comparative Infection Rates for the Codman BACTISEAL TM External Ventricular Drainage (EVD) System
Codman & Shurtleff
NCT00197392
Cerebral Perfusion Pressure (CPP) Management Information Feedback and Nursing
University of Washington
NCT00194441
Safety and Efficacy of Nicardipine for the Control of Blood Pressure After SAH
University of Illinois at Chicago
NCT00490464
A Randomized, Double-Blind, Placebo-Controlled Trial of Simvastatin on Subarachnoid Hemorrhage-Induced Vasospasm
Brigham and Women's Hospital
NCT00235963
Subarachnoid Hemorrhage Recovery And Galantamine
The University of Texas Health Science Center, Houston
NCT02872857
Identification of Novel Molecular Markers for Vasospasm
St. Joseph's Hospital and Medical Center, Phoenix
NCT02389634
Early Intensive Physical Therapy in Subarachnoid Hemorrhage
University of Colorado, Denver
NCT02675985
Remote Ischemic Preconditioning in Subarachnoid Hemorrhage
University of California, Los Angeles
NCT01158508
Monitoring of Delayed Ischemia After Subarachnoid Hemorrhage
University of Cincinnati
NCT01406457
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 5 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Subarachnoid Hemorrhage records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Subarachnoid Hemorrhage trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Subarachnoid Hemorrhage page
22 registered trials, 11 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 11 Subarachnoid Hemorrhage trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of Maryland, Baltimore sponsors the most Subarachnoid Hemorrhage trials on record, review their full trial history before evaluating a specific study. See University of Maryland, Baltimore's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Subarachnoid Hemorrhage condition card totals 22 registered trials; most-linked intervention Nicardipine and Nipride; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.