Clinical trials
Cognitive clinical trials
Below are recruiting cognitive clinical trials, each written for real people, not researchers. We’re tracking 2,033 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03644732Recruiting
Study of brain activity during epilepsy testing using SEEG
This study maps how thinking and memory work by recording brain signals during a presurgical epilepsy workup. It may help doctors better understand drug-resistant focal epilepsy and improve how they plan treatment.
GrenobleAges 18–65 - NCT03702907Recruiting
Study of aging and a brain sample bank
This study follows adults as they age and may collect biological samples for future research. It could help researchers understand early and late changes related to aging and brain health.
Washington D.C., District of ColumbiaAges 45 years+ - NCT03761381Recruiting
Eye scan study for mild Alzheimer’s and memory changes
This study uses detailed eye imaging (an eye scan) to look for signs related to probable Alzheimer’s disease and mild dementia. It may help researchers understand whether eye scans can reflect brain changes and improve detection.
Portland, OregonAges 55 years+ - NCT03810794Recruiting
Acupuncture study for people with Alzheimer’s memory problems
This trial tests whether acupuncture can improve symptoms in people with Alzheimer’s disease. You may qualify if you have memory and thinking changes consistent with Alzheimer’s and meet imaging and brain-scan score requirements.
Shanghai, Shanghai MunicipalityAges 50–85 - NCT03829787Recruiting
Study of attention and reward signals in bipolar disorder
This study looks at how people with bipolar disorder pay attention and respond to rewards, including whether anxiety or substance use is also present. It uses eye-tracking and related tests to better understand brain patterns that may affect mood and decision-making.
Cleveland, OhioAges 18 years+ - NCT03838536Recruiting
Breast milk nutrients and baby brain development study
This study looks at whether certain nutrients in breast milk (DHA, choline, and lutein) are linked to early thinking skills in babies. It may help researchers understand which nutrition factors could support healthy brain development.
Kannapolis, North CarolinaAges 3 months–35 years - NCT03910738RecruitingPhase 2
Testosterone treatment for nerve protection and myelin repair in MS
This Phase 2 study tests whether taking testosterone (for low testosterone levels) can help protect nerves and repair myelin in people with relapsing-remitting multiple sclerosis (MS). It may be most relevant if your MS is stable and you have low blood testosterone without current androgen treatment.
BesançonAges 18–55 - NCT03912194RecruitingPhase 3
Training to help you quit smoking sooner and feel better
This Phase 3 study tests a quit-training program that teaches how to handle urges and negative feelings when you start cutting back or stopping smoking. You may benefit by improving your chances of quitting and reducing stress during withdrawal.
Birmingham, AlabamaAges 18 years+ - NCT03946930Recruiting
Study of memory decline in Alzheimer’s disease
This trial studies people diagnosed with Alzheimer’s disease who are at a moderate stage of decline. It likely involves cognitive (memory/thinking) testing and care-partner input to help track changes over time.
Hong KongAges 65–92 - NCT03948893Recruiting
Behavior program to help you quit nicotine
This study tests a structured counseling/behavior treatment to help people who smoke become nicotine-free. If you’re interested in quitting, you may be asked to complete questionnaires and follow a quit plan as part of the research.
Columbia, MissouriAges 18 years+ - NCT06580002RecruitingPhase 2
Can Riluzole Help with Chemo Brain? A Pilot Study
This study tests if a medicine called riluzole (currently used for ALS) can help with 'chemo brain' – memory and thinking problems after cancer treatment. It is for people who feel their mental sharpness has declined after breast cancer therapy, certain chemotherapies, or brain radiation.
Orange, CaliforniaAges 18 years+ - NCT07701785Recruiting
Brain stimulation study for Parkinson's with mild memory issues
This trial tests a type of brain stimulation called iTBS on an area of the brain that may help with thinking and memory problems in people with Parkinson's disease and mild cognitive impairment. If you qualify, you and your caregiver would take part in sessions and answer questions about your daily life.
Charleston, South CarolinaAges 50–85 - NCT06808048Recruiting
Medical cannabis and behavior in chronic pain patients
This study looks at how medical cannabis affects thinking and behavior in people with chronic pain. It compares medical cannabis users to pain patients who don't use cannabis over a four-month period.
Minneapolis, MinnesotaAges 30–75 - NCT05989893Recruiting
Mapping human thinking during brain surgery
This study maps how thinking works in people with epilepsy or brain lesions near important brain areas. It involves testing during brain surgery procedures to help researchers understand healthy brain function.
Houston, TexasAges 18–75 - NCT05904132Recruiting
Brain stimulation therapy for early Alzheimer’s memory loss
This trial studies a “closed-loop” brain stimulation approach to improve symptoms in people with early Alzheimer’s-related memory problems. It may help by delivering stimulation based on your brain signals, if you meet the safety and diagnosis requirements.
Charlestown, MassachusettsAges 50–80 - NCT04007380Recruiting
Sleep problems after spinal cord injury study
This study looks at how sleep-disordered breathing (breathing problems during sleep) affects mood, thinking, and behavior after a spinal cord injury. It may help researchers understand the impact of these sleep breathing issues and guide better support for people after injury.
Toronto, OntarioAges 18 years+ - NCT04012411Recruiting
Testing brain fluid biomarkers in Huntington’s disease
This study looks at specific “biomarkers” (measurable signs) found in cerebrospinal fluid, to better understand Huntington’s disease. The results may help researchers track the disease and improve future tests or treatments.
MontpellierAges 18 years+ - NCT04027244Recruiting
Studying care plans for severe leg blood flow problems
This study looks at how best to manage severe leg ischaemia, a condition where blood flow to the leg is dangerously reduced. It mainly involves patients who are planning an intervention, and some participants may also do special heart imaging tests.
Leicester, LeicestershireAges 18–110 - NCT04061135Recruiting
Study brain and movement patterns in Parkinson’s or tremor
This study looks at brain signals, thinking, and movement behaviors in people who have Parkinson’s disease or essential tremor and are being considered for deep brain stimulation (DBS) surgery. It may help researchers better understand how DBS affects the brain and day-to-day function.
Birmingham, AlabamaAges 18 years+ - NCT04127032Recruiting
Online therapy program for public safety workers’ stress and mood
This trial tests an internet-delivered cognitive behavioral therapy (an online talk-and-skills program) to help public safety personnel with symptoms of anxiety, depression, or post-traumatic stress. If you’re eligible, you may receive structured online support aimed at reducing distress and improving coping.
Regina, SaskatchewanAges 18 years+ - NCT04142177Recruiting
Test which pain treatments work best for chronic low back pain
This study compares how well different pain treatments reduce low back pain and improve daily life. You may be asked to start or continue care through the VA and attend in-person sessions while completing pain and activity questionnaires.
Phoenix, ArizonaAges 18 years+ - NCT04159662Recruiting
Brain scans to study thinking in schizophrenia and depression
This study uses brain imaging to better understand how thinking works in people with schizophrenia or major depression. Your results may help researchers learn what brain patterns match different thinking and symptoms.
Ottawa, OntarioAges 18–60 - NCT04188522Recruiting
MEG study of memory after a small stroke
This study uses a special brain scan called MEG to understand how thinking and memory change after a small ischemic stroke. If you qualify, you may get scanned about 4–6 weeks after your stroke and help researchers learn what brain signals relate to recovery.
Baltimore, MarylandAges 18–100 - NCT04237155Recruiting
French memory and attention task for schizophrenia or controls
This study tests how people with schizophrenia and healthy volunteers track sources of information using a French computer task. It may help researchers better understand memory and thinking differences that could guide future support and treatments.
BronAges 18–45
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Common questions
- Are there clinical trials for cognitive?
- Yes. Clin2 currently lists 2,033 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.