Clinical trials
Cognitive clinical trials
Below are recruiting cognitive clinical trials, each written for real people, not researchers. We’re tracking 2,028 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06346158Recruiting
Predicting deep anesthesia from propofol levels
This study wants to see if we can predict the right amount of propofol (a sleep medicine) needed for deep anesthesia during surgery. It may help doctors give just the right dose for each person.
Montreal, QuebecAges 18 years+ - NCT06358495Recruiting
Sleep improvement to prevent depression and anxiety in teens
This study tests if improving sleep can help prevent depression and anxiety in teens who are at higher risk because a parent has had depression or anxiety. It's for teens who have trouble sleeping but don't have a history of depression or anxiety themselves.
Calgary, AlbertaAges 12–18 - NCT06361407Recruiting
Understanding predictions in schizophrenia
This study looks at how people with schizophrenia process sensory information and make predictions. It aims to understand disruptions in these processes to improve future treatments.
MarseilleAges 18–60 - NCT06362707RecruitingPhase 2
Fasudil trial for early Alzheimer's disease
This trial tests a medication called fasudil to see if it can help people with early Alzheimer's disease. It is for people who have early symptoms (mild cognitive impairment or mild dementia) and have biomarker evidence of Alzheimer's in their brain.
Tromsø, NordlandAges 50–100 - NCT06363981Recruiting
Brain stimulation for depression, sleep and memory problems
This study tests a non-invasive brain stimulation treatment (called rTMS) to help with depression, sleep problems, and memory or concentration issues. It's designed for people with moderate to severe depression who also have trouble sleeping and thinking clearly.
KrakowAges 18–65 - NCT06365658Recruiting
Cognitive function in healthy adults
This study looks at how thinking and memory work in healthy adults and compares them to people with certain health conditions. As part of the control group, you will help researchers understand normal cognitive function.
Gdansk, Pomeranian VoivodeshipAges 18 years+ - NCT06367764Recruiting
PTSD treatment study for sexual and gender minorities
This study compares different treatments for PTSD specifically designed for people who are sexual or gender minorities. It aims to find which approach works best for this community, and you can join sessions in person or by video.
Palo Alto, CaliforniaAges 18 years+ - NCT06370104Recruiting
Online therapy for recent suicidal thoughts or behavior
This study tests a remote therapy program for people who have had suicidal thoughts or behaviors in the past month. It aims to provide timely support without needing to see a therapist in person.
Amsterdam, South HollandAges 16 years+ - NCT06373718Recruiting
How sleep affects emotions in insomnia with low mood
This study explores how improving sleep might help regulate emotions in people who have both insomnia and mild depressive symptoms. You could help researchers understand the link between sleep and mood.
Palo Alto, CaliforniaAges 18–65 - NCT06375213Recruiting
Memory and thinking study for all ages
This study looks at how well people think and remember as they age. It includes healthy volunteers, people with mild memory issues, and those with dementia—both early- and late-onset.
Pathum Wan, BangkokAges 35 years+ - NCT06375265Recruiting
Sleep improvement program for older surgery patients
This trial tests a digital sleep improvement program for older adults who are about to have knee or hip replacement surgery. It aims to help you sleep better before and after surgery, which may improve your brain health and recovery.
Boston, MassachusettsAges 65 years+ - NCT06377254Recruiting
How activity or inactivity changes your body
This study looks at how changing your physical activity level (either becoming more or less active) affects your whole body over 6 months. It is for people aged 50–65 who are overweight and either quite sedentary or fairly active, and who are willing to change their routine.
Nottingham, NottsAges 50–65 - NCT06377696RecruitingPhase 2
Metformin study for brain tumor survivors after radiation
This study tests whether metformin, a common diabetes medicine, can help protect thinking and memory skills in people who have had radiation for a brain tumor. You will use a smartwatch and take online tests from home to track your progress.
Rochester, MinnesotaAges 18 years+ - NCT06378515Recruiting
Physical activity, sleep, and brain health in students
This study looks at how physical activity and sleep affect your brain health, especially the glymphatic system — a system that helps clear waste from your brain. It is for university students and could help you understand how your daily habits influence your brain.
ValenciaAges 18–40 - NCT06385951Recruiting
Virtual reality navigation test for early Alzheimer's detection
This study uses a virtual reality navigation task to detect early signs of Alzheimer's disease. It compares people with mild cognitive problems, mild Alzheimer's, and healthy older adults to see if this test can spot the disease earlier.
Ghent, East-FlandersAges 50–80 - NCT06386003RecruitingPhase 2
Psilocybin and talk therapy for chronic PTSD
This trial tests whether a medication called psilocybin (the active ingredient in magic mushrooms) can help people with long-term PTSD when combined with a specific type of talk therapy. The goal is to see if this approach reduces PTSD symptoms more than therapy alone.
Toronto, OntarioAges 18–65 - NCT06390878Recruiting
Study on natural kindergarten yards
This study looks at how bringing nature back into kindergarten yards might affect children's health. It involves children who attend kindergarten and have not used antibiotics recently.
Helsinki, UusimaaAges 1–5 - NCT06395558Recruiting
Online support program for cardiac arrest survivors
This trial tests if an internet-based program helps people recover after a cardiac arrest. You may qualify if you were discharged from the hospital with good brain function and can use the web.
Bologna, BolognaAges 18–80 - NCT06397469Recruiting
Digital program for attention and wellbeing in older adults
This study tests a digital program designed to help improve attention and overall wellbeing in older adults. You can take part from home using your own smartphone or tablet.
San Francisco, CaliforniaAges 60–99 - NCT06398496Recruiting
Exercise, gut health, mood in depression
This trial studies whether a 12-week exercise program can improve gut bacteria, mood, and thinking in people with depression. It may help if you are looking for a non-medication way to support your mental health.
Cork, Cork CountyAges 18–59 - NCT06400043Recruiting
Walking while thinking in kids with coordination disorder
This study looks at how walking and thinking at the same time (dual-tasking) affects children with Developmental Coordination Disorder (DCD). It may help understand why multitasking can be harder for some kids and lead to better support strategies.
Ghent, East-FlandersAges 7–17 - NCT06404684Recruiting
Psychological treatment for paraphilic disorders
This trial is testing a psychological treatment (cognitive behavioral therapy, or CBT) for people with paraphilic disorders – conditions where someone has intense sexual urges or behaviors that are unusual or cause distress. The goal is to see if this therapy can help reduce risky behaviors and improve well-being.
Stockholm, Stockholm CountyAges 18 years+ - NCT06408246RecruitingPhase 2
Cognitive training and medication for depression
This study tests whether a combination of cognitive training (brain exercises) and a medication (guanfacine or sertraline) can improve thinking skills in people with depression. It involves MRI scans and computer tasks to understand how your brain responds.
Palo Alto, CaliforniaAges 18–60 - NCT06410157Recruiting
Mindfulness for heart-brain health in adults 50-70
This study tests whether a daily mindfulness practice can help older adults improve how their heart and brain work together. You will do breathing exercises at home and come to USC twice for check-ups, including blood and urine tests and an MRI.
Los Angeles, CaliforniaAges 50–70
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Common questions
- Are there clinical trials for cognitive?
- Yes. Clin2 currently lists 2,028 recruiting cognitive studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a cognitive trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a cognitive trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.