Condition
Subarachnoid Hemorrhage clinical trials and research
As of November 12, 2026, Find a Trial lists 21 Subarachnoid Hemorrhage clinical trials that are recruiting, at sites in 12 countries (most in United States (10), China (2), Italy (2)). 2 were first registered in the last 30 days. By phase: Phase 1 (2). There are also 37 NIH-funded research projects on Subarachnoid Hemorrhage, with $14.9 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 21Clinical trials
- 37NIH research projects
- 2New in 30 days
- 12Countries
Newest Subarachnoid Hemorrhage clinical trials
All recruiting trials (21)
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Smartphone-based EEG to detect hidden awareness in ICU patients with brain injuries
Researchers will test a smartphone-enabled EEG to see if it can reveal Cognitive Motor Dissociation in ICU patients who can’t show commands at bedside.
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French validation of the SAHOT outcome tool after subarachnoid hemorrhage
This study tests whether a French version of the SAHOT questionnaire reliably measures outcomes in adults after subarachnoid hemorrhage.
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Prognostic model for neurocritical patients using multimodal brain monitoring
This study tests a model that uses EEG, TCD, and NIRS data to predict 90-day outcomes (awake, coma, or death) in adults with acute brain injuries in intensive care.
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Investigating the effects of stellate ganglion block on retinal blood flow
This study is testing if a special nerve block used for pain relief can improve blood flow in the eyes of patients with severe brain injuries.
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Evaluating outcomes in neurosurgery using standardized measures
This study is trying to see how different factors affect the results of brain surgeries by collecting information from patients before and after their operations.
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Assessing ventilatory parameters in patients with acute neurological injuries
This study is trying to see how different breathing machine settings affect the brain health of adults with serious neurological injuries like strokes or brain trauma.
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Using advanced MRI to study brain metabolism in traumatic brain injury
This study is testing a new type of MRI to see how brain metabolism changes in people with traumatic brain injury compared to healthy individuals and those with a different brain condition.
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Examining blood pressure treatment in ICU patients with brain hemorrhage
This study tests how changing blood pressure affects blood flow in the brains of ICU patients who have had a brain hemorrhage.
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Registry of brain-heart comorbidity in China
This study is trying to build a big database to better understand and manage the connection between brain and heart problems in people across China.
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Evaluating brain blood flow using contrast-enhanced ultrasound
This study is testing a new ultrasound method to see if it can help doctors check blood flow in the brains of patients with recent brain injuries.
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Evaluating a new method for draining fluid and blood in brain hemorrhages
This study is testing a new device for draining fluid and blood from the brain to see if it works better than the standard method for patients with brain hemorrhages.
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A registry to improve the lives of stroke survivors in South London
This study is tracking stroke survivors in South London to see how their health and quality of life change over time.
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Using antibiotics with external ventricular drains to prevent infections
This study tests whether giving antibiotics for 24 hours or for the whole time a patient has an external ventricular drain can help prevent infections in people with brain bleeding.
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Understanding cognitive changes after stroke
This study is trying to find out what affects thinking and memory changes in people who have had a stroke, to help improve recovery in the future.
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Monitoring intracranial pressure to assess patient outcomes
This study is testing if continuous monitoring of pressure inside the skull can help doctors understand how well patients with serious brain injuries are doing and predict their recovery.
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Understanding recovery after brain hemorrhage
This study looks at how different types of brain bleeding affect recovery and how treatments in the hospital can impact patient outcomes for people with serious brain injuries.
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Impact of fluid type on outcomes in patients with subarachnoid hemorrhage
This study tests whether using different types of IV fluids can improve recovery for patients who have had a subarachnoid hemorrhage.
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Registry connecting stroke survivors with research opportunities
This study connects stroke survivors with research opportunities to help find new treatments that can improve their recovery.
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Registry for managing aneurysmal subarachnoid hemorrhage in Switzerland
This study is collecting information from patients in Switzerland who have had an aneurysmal subarachnoid hemorrhage to see how well they are treated and how they recover.
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Using electrical stimulation and high protein diet to aid recovery after brain hemorrhage
This study is testing if using electrical stimulation and a high protein diet can help adults recover better after a brain hemorrhage compared to standard care.
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Comparing lumbar and extraventricular drains to prevent complications after brain hemorrhage
This study is testing whether using a lumbar drain or an extraventricular drain helps prevent complications in patients who have had a brain hemorrhage.
NIH-funded research (37)
Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.
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Cognitive screening after an aneurysmal brain bleed
Using patient questionnaires to find thinking and memory problems in people recovering from aneurysmal subarachnoid hemorrhage.
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Blood test to predict delayed brain injury after an aneurysm bleed
This project is creating a blood test to spot which people who had a brain aneurysm bleed are likely to develop delayed brain injury in the days after the bleed.
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3D brain blood vessel model to study subarachnoid hemorrhage and test therapies
A researcher will develop a 3D printed, biomimetic brain model to study subarachnoid hemorrhage and screen potential nanoparticle-based treatments.
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Biomarkers to Fine-Tune Intrathecal Nicardipine for Brain Bleeding-Related Stroke
Researchers are testing biomarkers to personalize intrathecal nicardipine treatment for patients after subarachnoid hemorrhage to prevent brain damage.
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Adropin as a shield for the brain after a brain hemorrhage
A potential treatment with adropin is being studied to protect brain cells after a subarachnoid hemorrhage and reduce stroke-like damage.
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Manganese-based compound as a potential therapy for subarachnoid hemorrhage
A new manganese porphyrin-based drug is being explored as a possible treatment to reduce brain injury after a subarachnoid hemorrhage.
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START Network for Promising Novel Drug Testing in Subarachnoid Hemorrhage
A network of three sites will test two potential treatments in a late-stage, animal model study of subarachnoid hemorrhage to help improve outcomes for patients who suffer this brain injury.
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NAMPT and NAD+ help protect the brain after subarachnoid hemorrhage
Aims to find how NAMPT and NAD+ help shield the brain from injury after a type of stroke called aneurysmal subarachnoid hemorrhage.
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Ischemia-protective effects of anesthetic conditioning after brain bleed
This grant studies how certain anesthetics might protect the brain after an aneurysmal brain bleed to improve recovery prospects.
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Brain stimulation to help thinking after aneurysm-related brain bleeding
This project looks at whether targeted brain stimulation can help people regain thinking and memory after bleeding around the brain from a burst aneurysm.
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Using deferiprone to enhance cognitive recovery after subarachnoid hemorrhage
This study is looking at how a medication called deferiprone, which helps lower iron levels in the brain, might improve memory and thinking skills in people who have recovered from a brain bleed called aneurysmal subarachnoid hemorrhage.
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Molecularly mapping early brain injury after brain bleed using human brain organoids and patient CSF
Scientists are studying how early brain injury after aneurysmal subarachnoid hemorrhage happens in people, by using patient CSF and human brain organoids to find what signals cause damage and why women may have worse outcomes.
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Noninvasive bedside monitoring of brain blood flow after brain bleed (aSAH)
Aims to use a small, noninvasive device to monitor brain blood flow in patients with aneurysmal subarachnoid hemorrhage to help predict complications and guide treatment.
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PEDF protein to protect the brain after aneurysmal subarachnoid hemorrhage
This work looks at whether a natural protein called PEDF can protect the brain and its blood vessels after bleeding from a brain aneurysm.
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Improving sleep management for adults recovering from brain hemorrhage
This study is designed to help adults who have had a subarachnoid hemorrhage improve their sleep with a special program created just for them, using input from both survivors and their caregivers to make it as helpful as possible.
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3D lab-grown model of brain blood vessels to test treatments for subarachnoid hemorrhage
This project builds a 3D lab model of brain blood vessels to try new therapies that could help people who have subarachnoid hemorrhage (brain bleeding).
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Biomarkers to guide spinal nicardipine for blood-vessel spasm after bleeding around the brain
Doctors are using a bedside optical monitor to see if it helps pick which patients with bleeding around the brain should get spinal (intrathecal) nicardipine to treat blood-vessel spasm.
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Adropin to protect the brain after a subarachnoid hemorrhage
See whether a natural peptide called adropin can protect the brain and blood vessels in people who have had a subarachnoid hemorrhage.
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Finding blood markers to predict brain complications after a stroke.
This study is looking at blood samples from patients who have had a brain bleed to find markers that can help predict if they might develop a serious complication later on, so doctors can provide better care and help patients avoid longer hospital stays.
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Protecting the Brain After Aneurysmal Subarachnoid Hemorrhage
This project explores how a special type of 'conditioning' can protect the brain from damage after a severe type of stroke called aneurysmal subarachnoid hemorrhage.
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Using brain stimulation to help improve thinking skills after a brain hemorrhage.
This study is looking at how brain stimulation might help people who have had a subarachnoid hemorrhage improve their thinking skills and overall brain function, with the goal of making life better for those recovering from this type of brain injury.
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Identifying blood markers for brain complications after a type of stroke.
This study is looking at how certain blood markers can help doctors figure out which patients who have had a brain bleed might face complications later on, so they can get the right care sooner and improve their recovery.
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Investigating how venous issues affect brain health after a type of stroke.
This study is looking at how problems with blood flow in the veins can affect people who have had a serious type of stroke called aneurysmal subarachnoid hemorrhage, and it hopes to find new ways to help them recover better.
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Monitoring blood flow in the brain after a stroke caused by an aneurysm.
This study is looking at ways to help people who have had a specific type of stroke called aSAH by using a new tool to keep an eye on blood flow in the brain, so doctors can quickly spot any problems and take action to help prevent serious complications.
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Using CBD to improve outcomes after brain bleeding from aneurysms
This study is looking at how cannabidiol (CBD) might help people who have had a subarachnoid hemorrhage, which is a serious brain condition, by potentially improving blood flow and reducing brain damage to help them recover better.
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Understanding metabolic changes after brain hemorrhage
This study is looking at how a serious brain condition called aneurysmal subarachnoid hemorrhage affects the body's metabolism and inflammation, with the goal of finding ways to predict how well patients will recover by analyzing blood samples.
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Understanding how a protein protects the brain after a specific type of stroke.
This study is looking at how a protein called PEDF might help protect the brain after a serious type of stroke called aneurysmal subarachnoid hemorrhage, with the hope that it could lead to better treatments for people who have experienced this condition.
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Using Satralizumab to treat complications from brain aneurysms.
This study is looking at how well the drug Satralizumab can help people recover after a brain aneurysm by reducing complications like vasospasm, and it’s designed for patients who have had this type of hemorrhage.
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Creating a 3D model to study brain hemorrhages and test new treatments
This study is creating a 3D model of the brain's blood vessels to help us understand subarachnoid hemorrhage (SAH) better and find new treatments, so patients with this type of stroke can have more effective options for recovery.
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Finding better ways to treat brain blood vessel constriction after a stroke.
This study is looking at how a medication called nicardipine can help people who have had a type of stroke called a subarachnoid hemorrhage by improving blood flow in the brain and reducing the risk of serious complications, and they're also trying to find ways to predict who will benefit the most from this treatment.
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Protecting the brain from injury after bleeding in the brain
This study is looking at how a hormone called adropin might help protect the brain after a type of bleeding called subarachnoid hemorrhage, with the goal of finding new ways to reduce brain damage and help patients recover better.
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Investigating how hypoxic conditioning can protect the brain after a subarachnoid hemorrhage.
This study is looking at how controlled low-oxygen conditions might help protect the brain after a serious bleeding event called a subarachnoid hemorrhage, with the goal of finding new ways to improve recovery for patients.
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Using Deferiprone to Enhance Cognitive Recovery After Subarachnoid Hemorrhage
This study is looking at how a medication called deferiprone, which helps lower iron levels in the brain, might improve memory and thinking skills in people who have recovered from a brain bleed caused by an aneurysm.
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Using non-invasive vagus nerve stimulation to reduce inflammation after brain hemorrhages
This study is looking at a gentle way to stimulate the vagus nerve to help reduce inflammation in people who have had a brain bleed from a ruptured aneurysm, and it aims to see if this method can improve their recovery without using medications.
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Investigating how isoflurane may protect the brain after a hemorrhagic stroke.
This study is looking at how a common anesthetic called isoflurane might help protect the brain after a serious condition called aneurysmal subarachnoid hemorrhage, and it's using animal models to find out how it works so that new treatments can be developed for people with brain injuries.
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Identifying brain injury risks in patients with aneurysmal subarachnoid hemorrhage using brain activity monitoring.
This study is looking at how to better manage blood pressure for people who have had a brain bleed from an aneurysm, by closely monitoring their brain activity to find the best targets for blood flow, which could help prevent further complications and improve recovery.
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Improving cognitive assessment after brain hemorrhages for better patient outcomes
This study is looking to improve how we spot and understand thinking problems in people who have had a brain bleed, especially focusing on African American and rural patients who might not get the help they need, so we can help them live better lives.
Related topics
Quick answers
How many Subarachnoid Hemorrhage clinical trials are recruiting right now?
21, as of November 12, 2026. 2 of them were first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 12 countries. The most sites are in United States (10 trials), China (2 trials), Italy (2 trials), France (2 trials), Switzerland (2 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 1: 2. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.