Subarachnoid hemorrhage

This trial tests whether a non-invasive device that stimulates the vagus nerve through the ear can reduce harmful spasms in brain arteries that often occur days after an aneurysm rupture. The study will enroll 10 adults who have had this type of bleeding in the brain and will rec…

This large trial compares robot-assisted rehabilitation to traditional one-on-one physiotherapy for people who have had a stroke. Researchers are measuring how well each approach helps patients regain independence in daily activities, as well as costs and patient satisfaction. Th…

This trial is testing several different treatments for stroke, including different doses of a clot-busting drug called tenecteplase and blood pressure management strategies. It aims to find which treatments or combinations work best to improve recovery and reduce disability. The …

This trial investigates the safety and effectiveness of using a stent along with coil embolization to treat ruptured brain aneurysms. The procedure is performed within a week of the bleeding event in patients aged 18 to 80 with wide-neck aneurysms. Researchers are monitoring for …

This study tests whether giving the drug milrinone directly into the brain's arteries, followed by a 72-hour IV drip, can prevent brain damage in people who develop artery spasms after a bleeding stroke from a burst aneurysm. The trial will enroll 306 adults across multiple hospi…

This study compares two stomach-acid-lowering drugs—tegoprazan and rabeprazole—in about 3,300 heart disease patients who take blood thinners and are at high risk for stomach bleeding. The goal is to see if tegoprazan works as well as rabeprazole at preventing serious gut problems…

This study tests whether using a special bladder catheter that continuously measures body temperature can help guide treatment and improve recovery in people with severe brain bleeding. About 318 participants will be randomly assigned to either continuous bladder temperature moni…

This study is tracking how well a device called NeVa VS works to open narrowed brain arteries in people who had a bleeding aneurysm. The device is already approved for this use, and researchers want to see how it performs in routine care. About 200 adults will be followed to meas…

This study tests whether giving patients electrical muscle stimulation and high-protein shakes soon after a type of stroke (aneurysmal subarachnoid hemorrhage) can prevent muscle loss and improve recovery. Thirty adults will receive the combo therapy or standard care. The main go…

This study is testing a non-invasive device that stimulates the vagus nerve (a major nerve in the neck) to see if it is safe and helpful for people who have had a severe bleeding stroke called aneurysmal subarachnoid hemorrhage. About 25 adults in the intensive care unit will rec…

This study looks at a new way to treat severe brain bleeds caused by aneurysms. Instead of coiling the whole aneurysm, doctors will only coil the dome (the bulging part). The goal is to see if this lowers the risk of re-bleeding and improves recovery. The study will enroll 30 adu…

This study tests whether giving dornase alfa (a drug already used for cystic fibrosis) daily for up to 14 days after a brain bleed from a ruptured aneurysm can help people recover better. The goal is to see if more patients can live independently at 6 months. The trial will enrol…

This study tests whether starting lumbar drainage and injecting the clot-busting drug urokinase early after a severe brain bleed improves patients' recovery. About 424 adults with a first-time severe aneurysmal subarachnoid hemorrhage will be randomly assigned to get either the a…

This study looks at 320 adults who had a brain bleed (subarachnoid hemorrhage) to see if the type of IV fluid they receive affects their recovery. The goal is to find out if a fluid with a specific salt content can reduce dangerous complications like blood vessel spasms and brain…

This study tests whether a small, handheld device that gently stimulates a nerve in the ear (tVNS) is safe and practical for people recovering from a brain bleed (aneurysmal subarachnoid haemorrhage). About 30 participants will receive either the real stimulation or a dummy versi…

This study tests a drug called tocilizumab-aazg in 30 adults who have had a burst brain aneurysm. The goal is to see if the drug is safe and might help prevent strokes that can happen after the bleeding. Participants will receive the drug within 24 hours of the aneurysm rupture a…

This study tests whether a non-invasive device that gently stimulates a nerve in the ear can reduce inflammation and improve recovery in people who have had a spontaneous brain bleed (subarachnoid hemorrhage). Fifty participants will receive either real or sham stimulation. Resea…

This study tests whether a steroid pill called fludrocortisone can reduce death and disability in people who have had a brain bleed from a burst aneurysm. The trial will enroll 524 critically ill adults who have had their aneurysm secured. Half will receive the drug, half a place…

This Phase 2 trial tests whether deferoxamine, a drug that binds excess iron, can reduce brain injury after aneurysmal subarachnoid hemorrhage (aSAH), a severe stroke with high death and disability rates. About 120 participants will receive one of two doses of deferoxamine or a p…

This study tests a device called IRRAflow that continuously washes out blood from the brain after a hemorrhage. It involves 250 adults with brain bleeds and compares the device to standard drainage. The goal is to see if it clears blood faster and improves recovery at 6 months.

This study tests a simple, non-invasive treatment called remote ischemic conditioning (RIC) for people who have had a brain bleed from a burst aneurysm. The treatment involves briefly inflating a blood pressure cuff on a limb to improve blood flow and reduce brain damage. Researc…

This study tests whether a non-invasive treatment called remote ischemic conditioning (RIC) can help people recover after surgery for a ruptured brain aneurysm. RIC involves using a blood pressure cuff on the leg to create brief, harmless blood flow interruptions, which may trigg…

This phase 2 trial tests whether levosimendan, a heart medication that widens blood vessels, can reduce dangerous artery spasms and delayed brain injury after a type of bleeding stroke called aneurysmal subarachnoid hemorrhage. Thirty adults in intensive care will receive either …

This study tests whether injecting the drug nicardipine into the spinal fluid can improve recovery in people who develop blood vessel spasms after a brain aneurysm bleed. About 396 adults aged 18–80 will receive either the drug or a sham procedure. The goal is to see if the treat…

This trial tests a new portable brain scanner designed to quickly detect bleeding in the brain (hemorrhagic stroke) using harmless radio waves. The helmet-like device could offer a faster, more accessible alternative to CT or MRI scans in emergency settings. Researchers will enro…

This study is testing whether machine learning and special brain injury markers in blood and spinal fluid can warn doctors early when a patient with a brain bleed is developing delayed cerebral ischemia (lack of oxygen to the brain). Researchers will monitor 1,500 adults in inten…

This study is testing whether a new ultrasound device called SYLVER can measure blood flow in the brain as accurately as the standard CT scan. It involves 50 ICU patients with brain injuries or bleeding. If it works, doctors could monitor brain health at the bedside without movin…

This study tests a portable EEG device called StrokePointer that ambulance crews can use to detect severe strokes caused by large vessel blockages. Currently, over half of these patients are taken to hospitals that cannot perform the needed clot-removal procedure, causing an aver…

This study tests whether giving a single dose of a common antibiotic soon after a breathing tube is placed can prevent lung infections and improve survival in ICU patients with severe brain injuries. Researchers will enroll 3,300 adults on ventilators due to stroke, trauma, or la…

This study looks at whether an intravenous lidocaine infusion can safely reduce moderate to severe headache pain in people recovering from a non-traumatic subarachnoid hemorrhage (a type of brain bleed). Twenty adult participants with favorable neurological status will receive li…

This phase 2 trial tests whether injecting lidocaine and methylprednisolone into the middle meningeal artery can reduce severe headaches after a subarachnoid hemorrhage (a type of brain bleed). The procedure is done during a routine angiogram and aims to lower pain and opioid use…

This study tests whether a nerve block injection near the cheek can relieve severe headaches after a brain bleed (subarachnoid hemorrhage). The injection contains a numbing medicine and a steroid. The goal is to see if it reduces the need for opioid painkillers. About 195 adults …

This study tests whether a numbing nasal spray can safely reduce severe headaches after a brain aneurysm bleed. About 20 adults in the ICU will receive the spray along with standard pain meds. Researchers will compare pain levels and opioid use before and after treatment to see i…

This study tests whether early training that combines thinking tasks with physical movement can help people recover cognitive and motor skills after a brain aneurysm bleed. The training is done 4-5 times a week for 30 minutes while in the hospital. Researchers will measure memory…

This study tests if delivering lidocaine (a numbing medicine) and steroids directly into an artery in the scalp can safely relieve the intense headaches that follow a type of brain bleed called subarachnoid hemorrhage. The goal is to reduce pain and the need for strong opioid pai…

This study tests whether a scalp block (a numbing injection) can reduce severe headaches in patients who have had a brain aneurysm rupture. About 22 adults in intensive care will receive either standard care plus the scalp block or standard care alone. The goal is to see if the b…

This study tests a nerve block (sphenopalatine ganglion block) given through the nose to treat severe headaches after a type of brain bleed called subarachnoid hemorrhage. About 40 adults with a secured aneurysm will receive either the block plus standard pain meds or standard me…

This study looks at whether giving antibiotics for just 24 hours around the time of placing a special antibiotic-coated brain drain works as well as giving them for the whole time the drain is in place. The goal is to find the best way to prevent serious brain infections in peopl…

This study tests whether artificial intelligence can predict muscle loss (sarcopenia) in intensive care patients with serious brain conditions like stroke, bleeding, or tumors. Researchers will measure thigh muscle thickness with ultrasound and track nutrition markers over the fi…

This study follows 5000 people admitted to a neuro-intensive care unit with life-threatening brain conditions like bleeding in the brain or severe seizures. Researchers collect medical data and biological samples to better understand how brain injuries progress and what factors h…

This study looks at whether levels of nitric oxide in spinal fluid can predict dangerous blood vessel spasms after a type of brain bleed called subarachnoid hemorrhage. Researchers will compare nitric oxide levels in 40 patients with and without this condition. The goal is to fin…

After brain surgery, many patients need a breathing machine in the ICU. This study will follow 220 such patients to see how the natural bacteria in their lungs change over time. Researchers will collect airway samples and use advanced lab tests to link those changes to the risk o…

This study tests a new set of procedures called the HI-SPEED Protocol, designed to help hospitals evaluate stroke patients faster and decide who needs to be transferred for advanced care. The goal is to reduce the time patients spend in the first hospital before being moved to a …

This study is testing a new, non-invasive brain monitor (Neurosteer) in 100 ICU patients who are on breathing machines and sedatives. The monitor is a small device placed on the forehead that measures brain activity. Researchers want to see if it can accurately track levels of se…

This study is tracking 5,000 people who had a brain bleed from a ruptured aneurysm. Researchers are collecting medical data to find factors that predict complications like delayed brain injury or long-term disability. The goal is to create a computer model that helps doctors fore…

This study is building a huge database of up to 800,000 Korean patients with heart or brain vascular disease. By tracking their health over many years, researchers hope to understand the unique patterns and risk factors in this population. The goal is to create a platform that ca…

This study looks at whether filtering out blue light at night in hospital rooms can reduce inflammation, protect thinking skills, and improve mood and sleep in 80 adults having elective heart surgery. Participants will be randomly assigned to wear blue-blocking glasses or regular…

This study is gathering information from 4500 people who have or will have brain surgery for conditions like aneurysms, tumors, epilepsy, and Parkinson's disease. The goal is to find patterns that help doctors predict how well someone will recover. By standardizing how outcomes a…

This study looks at adults with serious brain injuries from stroke, trauma, or bleeding who need a breathing machine. Researchers want to see if certain machine settings are linked to how severe the brain injury is. About 19 people will take part, and no new treatments are being …

This study is a registry that collects detailed information from 1000 adults who have had a spontaneous subarachnoid hemorrhage, a type of stroke. Researchers will analyze treatments and outcomes to find what works best. No new treatments are being tested; the goal is to learn fr…

This study is looking at 160 people who had a ruptured brain aneurysm and need a temporary drain. Researchers will measure glucose in their spinal fluid and blood daily for up to 14 days. The goal is to see if higher glucose levels are linked to needing a permanent shunt later. P…

This study looks at why some people with a brain bleed (subarachnoid hemorrhage) develop lung injury. Researchers will measure hyaluronic acid and inflammation markers in lung fluid and blood from 24 patients. The goal is to understand the link and find better ways to diagnose an…

This study compares a new, data-driven method for emergency responders to decide which hospital to take a stroke patient to, versus the current standard method. The goal is to see if the new approach helps rural patients get to a hospital that can perform specialized clot-removal…

This study collects blood, clots, and tissue from up to 1000 people having procedures for stroke or other blood vessel problems in the brain. Researchers will analyze these samples to find biological markers and understand inflammation. The goal is to learn more about how stroke …

This observational study looks at proteins in tiny particles called extracellular vesicles from the blood of 120 people with brain aneurysms. Researchers will collect blood from different areas of the circulatory system during surgery to compare protein patterns. The goal is to f…

This study looks at a condition called augmented renal clearance (ARC), where the kidneys work too fast and flush out medications before they can help. It involves 512 adults in intensive care with severe brain injuries, strokes, seizures, or meningitis. Researchers will measure …

This study tracks 500 adults in Canada and the US who have had a brain aneurysm bleed and are taking the drug nimodipine. Researchers will measure how much of the drug gets into each patient's blood and see how that relates to their recovery 90 days later. The goal is to understa…

This study is collecting information from 1,000 people who have been treated for brain aneurysms or stroke using MicroVention devices. The goal is to see how well these treatments work in real life, not just in controlled trials. No new treatments are being tested—just data gathe…

This study watches 148 adults with acute brain injury who have a drain in their head. Researchers will check fluid from the brain to see if changes in a substance called lactate can signal an infection early. The goal is to learn more, not to test a new treatment.

This study tests a special microscope attachment called GLOW800 that helps surgeons see blood flow and tissues in real time during brain and reconstructive surgery. About 29 adults will take part, and surgeons will rate how well the tool works. The goal is to confirm the device i…

This study looks at blood markers related to inflammation and clotting in people with brain oxygen deprivation from stroke or bleeding. Researchers will compare these markers between patients with brain hypoxia and those without. The goal is to see if these markers are linked to …

This early study is testing whether a robot can help doctors perform delicate brain blood vessel procedures, such as angiography, embolization, and thrombectomy. Ten patients scheduled for these standard procedures will have them done using a robotic system instead. The main goal…

This study is testing whether a non-invasive ultrasound scan, combined with artificial intelligence (AI), can quickly identify bleeding in the brain (intracerebral hemorrhage) in people having a stroke. Researchers will enroll 500 adults with acute stroke and perform a standard C…

This study follows 10,000 patients who had a bleeding aneurysm in the brain to learn more about a complication called delayed ischemic neurological deficit (DIND). Researchers will track how doctors diagnose and treat DIND, and compare different treatment approaches to see which …

This study observes 200 adults who had a bleeding stroke from a brain aneurysm and now have narrowed blood vessels. Researchers will monitor brain blood flow using ultrasound to see how it changes with standard treatments like raising blood pressure or using medication to widen v…

This study looks at how much of the antibiotic telavancin gets into the brain fluid of 20 critically ill patients who have a drain in their head (external ventricular drain). These patients often need strong antibiotics, but it's not clear if telavancin reaches the brain well eno…

This study enrolls 2,000 adults who had a brain bleed from a ruptured aneurysm. Researchers will collect blood, spinal fluid, urine, and stool samples to analyze genes, proteins, and other molecules. The goal is to understand why some patients develop serious complications like d…

This pilot study will test whether a stellate ganglion nerve block—a procedure used for chronic pain—can improve blood flow in the tiny vessels of the eye. Researchers will use a special camera (OCTA) to scan the retinas of 50 adults before and after the block. The goal is to see…

This study follows 8,000 adults who have had a stroke to learn why some develop memory and thinking problems afterward. Researchers will track changes in cognition, brain scans, and blood samples over time. The goal is to help doctors identify who is at risk for dementia and pave…

This study looks at how hospitals in Villavicencio, Colombia, manage stroke cases by reviewing patient records. Researchers want to find delays in treatment and see if doctors follow best-practice guidelines. About 100 adults diagnosed with stroke will be included. No new treatme…

This study is building a large registry of people who have had a stroke and still have symptoms. The goal is to connect them with researchers studying new ways to improve recovery. No treatments or tests are given—just observation and data collection.

This study examines whether memory problems after a type of brain bleed (aneurysmal subarachnoid hemorrhage) are linked to a smaller hippocampus, a brain area key for memory. Researchers will compare 30 patients in rehabilitation with healthy volunteers using memory tests and MRI…

This study is testing a new monitor that tracks brain pressure over time in patients with serious brain injuries like trauma or bleeding. Researchers want to see if the pressure measurements can predict who will survive or recover well. The study will enroll 250 adults and follow…

This study looks at whether unconscious patients with brain injuries who show brain activity in response to music and language on an EEG are more likely to wake up and recover. Researchers will monitor 300 adults in the ICU, along with healthy volunteers, to see if these brain si…