Brain aneurysm

Researchers in China are studying whether newer flow diverter stents can safely and effectively treat wide-neck brain aneurysms. About 280 patients will receive one of these stents, which is threaded through blood vessels to the brain and left in place to redirect blood flow away…

This study is testing a device called a flow modulator to treat wide-necked brain aneurysms. The device is placed inside the artery to redirect blood flow away from the aneurysm, helping it close off. Researchers will check if the device is safe and effective in 214 adults over 1…

This study is testing a new device called the Choydar flow-directed mesh stent for people with unruptured brain aneurysms—weak spots in blood vessels that could burst. The stent is placed inside the artery to block blood flow into the aneurysm, helping it heal. Researchers will f…

This study tests a device called Artisse, which is placed inside a brain aneurysm to block blood flow and prevent rupture. It involves 300 people aged 18-75 with wide-neck aneurysms that are either unruptured or recently ruptured. The main goal is to see if the device safely and …

This study follows 118 people getting a special device called Pipeline Vantage to treat brain aneurysms. The device is placed inside the blood vessel to block the aneurysm and prevent rupture. Researchers will check how well it works and if there are any problems one year after t…

This study compares two procedures used to treat unruptured wide-neck brain aneurysms: flow diverter stents and stent-assisted coiling. Researchers will follow 274 adults from three centers in China who receive one of these treatments as part of routine care. The main question is…

This study is a registry that will follow about 200 people with brain aneurysms who are treated with a flow diverter device (p64, p64 MW, or p48 MW). The goal is to see how safe and effective these devices are in real-world practice across France. Participants will be monitored f…

This trial compares two endovascular procedures for treating unruptured wide-neck brain aneurysms: a flow diverter device (Pipeline) versus traditional stent-assisted coiling. About 266 adults aged 18–75 with these aneurysms will be randomly assigned to one treatment and followed…

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 trial compares two types of surface-modified flow diverters—special stents used to treat unruptured brain aneurysms. The goal is to see which device causes fewer small brain injuries (seen on MRI) and fewer stroke-like symptoms after the procedure. About 196 people with unru…

This study looks at how well a device called WEB works for treating brain aneurysms (weak spots in blood vessels) in real-life medical practice. It will include 1,000 people of any age who have had this device placed. The main goals are to see if the aneurysm is sealed off at 12 …

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 trial tests a new device called the Surpass Elite with Guardian Flow Diverter for treating brain aneurysms that haven't ruptured. The device is a small mesh tube placed inside the artery to redirect blood flow and seal the aneurysm. About 183 adults aged 18-80 with specific …

This clinical trial is testing a device called the Contour Neurovascular System for people with wide-necked brain aneurysms. The device is placed inside the aneurysm to block blood flow and prevent it from rupturing. The study will enroll 250 participants and follow them for two …

This study tests whether sirolimus, a drug used to prevent organ rejection, can reduce harmful inflammation inside brain aneurysms. Researchers will give the drug to some patients before standard surgery or coiling and compare tissue and blood samples to those not receiving the d…

This study tests if a drug called indobufen works better than aspirin at preventing strokes and blood clots after a brain aneurysm is fixed with a stent or coil. About 2,500 people with unruptured brain aneurysms will take either indobufen or aspirin, plus clopidogrel, for 6 mont…

This study compares two ways to treat aneurysms in a specific brain artery: open surgery (clipping) and a less invasive procedure using catheters (endovascular). About 400 adults with this type of aneurysm will be randomly assigned to one treatment. The goal is to see which appro…

This study is testing a device called Pipeline Flex with Shield Technology to treat wide-necked brain aneurysms in adults aged 22 and older. The device is already approved for use, and researchers want to see how well it prevents blood clots. Ten participants will be enrolled at …

This study tests whether taking atorvastatin (a cholesterol-lowering drug) before and after a brain stent procedure can prevent strokes and other serious events. About 354 adults with brain aneurysms will be randomly assigned to receive either atorvastatin or a placebo. The goal …

This study tests a special stent (flow diverter) to treat brain aneurysms that are hard to treat with standard methods. About 164 adults aged 18-80 with certain types of aneurysms will receive the stent. The main goal is to see if the aneurysm is completely sealed one year after …

This study tests a new, remotely controlled guidewire called SmartGUIDE for treating unruptured brain aneurysms. It involves 30 adults who need a catheter-based procedure. The goal is to see if the new wire is safer and easier to navigate through blood vessels compared to standar…

This early study tests a new device called the LuSeed Aneurysm Embolization System for treating unruptured brain aneurysms. The device is designed to block blood flow into the aneurysm, reducing the risk of rupture. About 30 adults aged 18-80 with unruptured saccular aneurysms wi…

This study tests a device called DERIVO 2heal, a small mesh tube placed in an artery to block blood flow into a brain aneurysm. The goal is to see if it safely and effectively seals the aneurysm over the medium and long term. About 158 adults with brain aneurysms will be enrolled…

This study tests whether an artificial intelligence (AI) model can help doctors find brain aneurysms more accurately on CT scans. Over 6,400 adults in China will have their scans reviewed by radiologists with either a real AI or a sham AI that gives no real help. The goal is to s…

This phase 3 trial tests whether taking aspirin for five days around the time of brain aneurysm coiling can prevent strokes. About 440 adults with an unruptured brain aneurysm scheduled for coiling-only treatment will receive either aspirin or a placebo. Researchers will check fo…

This study tests a non-invasive device that gently stimulates a nerve in the ear to see if it can prevent headaches after a brain aneurysm procedure. About 440 adults will either get the real stimulation or a fake version. The goal is to find a safe, drug-free way to reduce pain …

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 looks back at medical records of up to 5,000 adults who had a brain aneurysm treated with special mesh tubes called flow diverters. Researchers want to see how well these devices work and how safe they are by checking things like successful placement, complications, an…

This study is a registry that collects information on the safety and effectiveness of Medtronic medical devices already on the market. It will include up to 100,000 people who have or will receive a Medtronic product for conditions like heart, nerve, or digestive disorders. The g…

This registry is following 4,000 people who have been treated with Medtronic devices for brain aneurysms or ischemic stroke. Researchers are tracking how well the devices work in everyday medical practice, including how often aneurysms are fully closed and how many patients regai…

This study is creating a large collection of medical data and biological samples from 1,100 people with brain aneurysms. The goal is to find better ways to predict which aneurysms are at risk of rupturing, which could lead to more personalized monitoring and treatment. Participan…

This study compares general anesthesia (being fully asleep) versus local anesthesia (awake but numb) for repairing unruptured brain aneurysms with a flow diverter device. About 188 adults with small aneurysms will be randomly assigned to one of the two anesthesia methods. The goa…

This study looks at whether people who have had a ruptured brain aneurysm also have an abdominal aortic aneurysm (a bulge in the main belly artery) that they don't know about. About 233 participants will get a painless belly ultrasound to check. The goal is to see how common this…

This study is testing whether a special MRI technique, called 4D Flow MRI, can better detect and predict the growth of unruptured brain aneurysms. Researchers will follow adults with these aneurysms, using the advanced imaging to measure changes in the aneurysm's shape over time.…

This study tests whether a wireless sensor placed on the forehead can accurately measure oxygen levels in the brains of infants in the neonatal intensive care unit (NICU). The wireless device is compared side-by-side with the standard wired monitor in 20 newborns with conditions …

This trial is testing a device that has not been approved by the U.S. FDA. The purpose is to gather information about how the device works in people. Participants will be observed to understand the device's effects, but this study does not aim to cure or treat a disease directly.

This study follows 1,000 people with small, unruptured brain aneurysms (3-7 mm) for three years. Researchers will use MRI scans to see if a specific imaging sign—wall enhancement—can predict which aneurysms grow. The goal is to create a safer, personalized monitoring plan so that…

This study aims to make brain aneurysm and AVM treatments safer and more effective by using computer models and artificial intelligence. Researchers will create detailed maps of each patient's brain blood vessels and simulate blood flow to help doctors plan procedures. The study …

This study tests whether a 3D simulation software called Sim&Size can help doctors plan treatments for unruptured brain aneurysms more accurately than current 2D methods. About 576 adults will be randomly assigned to use the software or standard planning. Researchers will compare…

This study compares a non-invasive continuous blood pressure monitor (ClearSight) to the standard arterial catheter in 50 adults undergoing coil embolization for unruptured brain aneurysms. The goal is to see if the non-invasive method can safely detect blood pressure changes and…

This study will follow 1,000 people of all ages who are having endovascular procedures (minimally invasive treatments through blood vessels) for brain or spinal conditions like aneurysms or abnormal blood vessels. Researchers will record complications, recovery, and changes in th…

This registry is following 5,000 people who receive WallabyPhenox flow diverters or other devices to treat brain aneurysms, dissections, or perforations. Researchers are tracking safety, performance, and patient outcomes over time in routine hospital practice. The goal is to gath…

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 collects blood and tissue samples from 400 people with brain aneurysms (some ruptured, some not) and 200 healthy volunteers. Researchers will analyze the participants' genes to find variations linked to a higher risk of aneurysm rupture. The goal is to create a tool th…

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 follows 150 adults with brain aneurysms who are treated with Sugita aneurysm clips. The goal is to see how safe and effective the clips are in real-world use over 5 years. Researchers will track how well the aneurysm is closed and any side effects. This is an observati…

This study follows 2,000 adults who have had a brain aneurysm sealed with a coil or similar procedure. The goal is to track how often the aneurysm reopens over time and whether another treatment is needed. By collecting standardized data, researchers hope to improve follow-up car…

This study is creating a large database of information from 20,000 people with brain aneurysms. Researchers will look at genetic, environmental, and other factors to better understand what causes aneurysms and how different treatments affect outcomes. Participants are not given a…

This study tests whether a fresh human placenta can be used as a realistic model for training neurosurgeons to repair brain aneurysms. The placenta's blood vessels closely resemble those in the brain, and researchers will create artificial aneurysms using a small catheter. The go…

This study is a registry that gathers medical information from up to 40,000 people who have had surgery for stroke, brain aneurysm, or other brain blood vessel problems. Researchers will look at this data to find patterns that help predict recovery and compare different treatment…

This study tracks 2,000 people in China with a rare brain aneurysm called a vertebrobasilar dissecting aneurysm (VBDA). Doctors will use different treatments—observation, stenting, or flow diverters—and follow patients to see which works best. The goal is to create clear guidelin…

This study looks at how knowing you have an unruptured brain aneurysm affects your mental health, and whether getting it treated or just monitoring it makes a difference. Researchers will follow 120 people with unruptured aneurysms, comparing those who have surgery or a less inva…

This study is collecting information from up to 10,000 people who receive BALT medical devices for conditions like brain aneurysms, stroke, and blocked arteries. Researchers will track how well the devices work and if any safety issues arise during routine care. The goal is to ga…

This study will follow 5,000 people who receive newer endovascular devices (like coils, stents, or flow diverters) to treat a brain aneurysm. Researchers want to see how often the aneurysm comes back and what factors, such as smoking, might play a role. The goal is to improve saf…