Clinical trials
Cognitive Function Abnormal clinical trials
Below are recruiting cognitive function abnormal clinical trials, each written for real people, not researchers. We’re tracking 32 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05694039Recruiting
Track thinking changes in older adults with hearing loss
This study follows older adults who have age-related hearing loss to see whether wearing hearing aids helps protect thinking and memory over time. You may be included if your hearing loss is the type that hearing aids can usually improve and if your thinking test scores suggest mild cognitive difficulties.
Guangzhou, GuangdongAges 60–85 - NCT06968299Recruiting
Probiotic supplement for memory, sleep, and mood
This study tests a special probiotic supplement (ExoBDNF) to see if it can improve memory, thinking, sleep, and mood in healthy adults. You may be able to join if you are generally healthy and not taking probiotics.
TaipeiAges 18 years+ - NCT07011680Recruiting
Dairy Extract for Memory Support in Older Adults
This study tests whether a special dairy extract (phospholipid-rich) can help support memory in people aged 55-85 who notice some forgetfulness but do not have dementia. You will be asked to take the extract daily and have periodic memory assessments.
YangsanAges 55–85 - NCT07063381Enrolling by invitation
Low-frequency stimulation for cognition in atrial fibrillation
This study tests whether low-frequency electrical stimulation can help improve thinking and memory in people with permanent atrial fibrillation and cognitive impairment. Participants will receive the stimulation and have their cognitive function checked over six months.
MoscowAges 60–90 - NCT07388576Recruiting
AP-Brain supplement for attention in healthy young adults
This trial tests a supplement called AP-Brain to see if it helps with attention and focus in healthy young adults (ages 18–39) who feel they have attention problems. It compares different doses to find the safest and most effective one.
London, OntarioAges 18–39 - NCT07547319Recruiting
Accelerated rTMS to improve cognitive function
This study tests whether repeated magnetic pulses to the brain (called rTMS) can help improve thinking and memory in older adults with mild to moderate cognitive decline. The treatment is non-invasive and may help slow cognitive changes.
San Francisco, CaliforniaAges 50–90 - NCT07334366Recruiting
Broccoli sprout extract study for memory
This study tests whether a broccoli sprout extract can help support memory and thinking skills in older adults who notice memory changes but do not have dementia. If you are between 55 and 85, have mild memory concerns, and can read Korean, you may be able to join.
YangsanAges 50–85 - NCT07422857RecruitingPhase 3
A PET scan for detecting signs of Alzheimer's
This trial uses a new type of PET scan to look for specific proteins in the brain that are linked to Alzheimer's disease. It will help doctors see how these proteins relate to cognitive decline and compare scans from people with normal thinking to those with memory problems.
Wuhan, HubeiAges 50 years+ - NCT06889961Recruiting
Daily mixed spice consumption for memory health
This trial tests whether eating a mix of spices every day can help improve memory in older adults with mild memory changes. If you are between 50 and 80 and have no major health conditions, you may be able to join.
Los Angeles, CaliforniaAges 50–80 - NCT07531888Enrolling by invitation
Brain Stimulation to Improve Memory in Older Adults
This study tests whether a non-invasive brain stimulation technique (tDCS) can help improve memory and thinking skills in people aged 60–75 who have noticed mild memory problems. You'll receive either real or sham (placebo) stimulation and undergo cognitive training over several weeks.
Pachuca, HidalgoAges 60–75 - NCT06989697RecruitingPhase 3
Cilostazol and ginkgo for memory in older adults with diabetes
This trial tests whether a combination of cilostazol (a blood flow medication) and ginkgo (a herbal supplement) can help protect memory and thinking skills in people over 60 with type 2 diabetes. You may join if your memory is slightly below normal but not severely impaired.
Seongnam-siAges 60 years+ - NCT06034509Recruiting
Thinking and blood vessel health after head injury
This study looks at how a past traumatic brain injury (TBI) might affect your thinking skills and blood vessel health over time. You may be eligible if you had a TBI at least 3 years ago and have already completed an earlier evaluation at the National Intrepid Center of Excellence (NICoE).
Bethesda, MarylandAges 18–74 - NCT07274748Recruiting
High-intensity interval training vs functional training for stroke recovery
This study compares two types of exercise training to see which one better improves heart health, movement, and thinking skills in people who have had a stroke. It is for those who had a moderate stroke more than 6 months ago and can walk with some help.
Daska Kalan, Punjab ProvinceAges 50–75 - NCT06672952Recruiting
Citrus compound for exercise, blood flow, and stress in overweight adults
This study looks at whether a natural citrus compound called glucosyl-hesperidin (CitraPeak) can boost your exercise performance, improve blood flow, reduce stress, and sharpen thinking. Researchers want to see if it works differently for people who are moderately overweight or mildly obese.
Saint Charles, MissouriAges 18–50 - NCT07728240Recruiting
Diet, health, and exercise study
This study looks at how your diet and health affect your body's response to exercise. You'll do some thinking tests, record what you eat, and ride a bike at a moderate pace.
River Falls, WisconsinAges 18–60 - NCT04898790Recruiting
Testing ways to improve thinking after bone marrow transplant
This study looks at whether a physical activity program and related study measures can improve thinking and memory in older adults around the time of a stem cell transplant. If you qualify and participate, the team will compare outcomes between groups to see what approach works best.
Omaha, NebraskaAges 19 years+ - NCT05322824Recruiting
Study for adults with narrowed brain or neck arteries
This study enrolls people age 40 or older who have at least 50% narrowing in one brain or neck (carotid) artery. It collects clinical information to better understand this condition and how patients are doing over time.
Hangzhou, ZhejiangAges 40 years+ - NCT06465823RecruitingPhase 2
Bumetanide for thinking skills in Down syndrome
This trial tests whether a medication called bumetanide can improve thinking and learning skills in teenagers with Down syndrome. It is a 10-week study that compares bumetanide to a placebo (a pill with no medicine).
RomeAges 10–17 - NCT07034794Recruiting
Lysoveta for memory in healthy adults with mild memory concerns
This study tests whether a supplement called Lysoveta can help with memory and thinking in healthy adults who have mild memory problems. You would take the supplement or a placebo daily for several weeks and visit a clinic for memory tests and questionnaires.
London, OntarioAges 50–75 - NCT07154199Recruiting
Ultrasound for brain fog after COVID-19
This trial tests if gentle ultrasound waves to the head can help clear brain fog that lasts after a COVID-19 infection. If you've had COVID and still feel mentally slow or forgetful, this treatment might help your thinking get sharper.
Beijing, Beijing MunicipalityAges 18–75 - NCT07554833Recruiting
Brain Stimulation for Parkinson's Motor and Memory Skills
This study tests whether repeated magnetic stimulation (rTMS) of the brain can help improve movement and thinking problems in people with Parkinson's disease. Researchers will measure how the treatment affects your motor control and cognitive function over the study period.
San Francisco, CaliforniaAges 50–90 - NCT07543094Enrolling by invitation
Brain Stimulation for Early Alzheimer's Memory and Thinking
This study tests whether a special type of brain stimulation called temporal interference stimulation can improve memory and thinking skills in people with early-stage Alzheimer's disease. The treatment uses electrical stimulation to target specific brain areas without surgery.
Shanghai, Shanghai MunicipalityAges 50–75 - NCT07578675Recruiting
Brain Activity Patterns in Anemia Patients
This study uses a non-invasive brain imaging tool to understand how anemia affects thinking and brain function. Researchers hope to learn more about why some anemia patients experience cognitive problems and how to help them.
Tianjin, Tianjin MunicipalityAges 18–65 - NCT06248723Recruiting
Preventing memory decline in older adults with lifestyle changes
This study tests a personalized program of lifestyle changes (diet, exercise, brain training, etc.) to see if it can prevent memory loss and keep older adults independent. You may qualify if you are 60+, have mild frailty, and have certain risk factors for dementia.
MonzaAges 60 years+
Hear when a new Cognitive Function Abnormal trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for cognitive function abnormal?
- Yes. Clin2 currently lists 32 recruiting cognitive function abnormal 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 function abnormal 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 function abnormal 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.