Clinical trials
Functionality clinical trials
Below are recruiting functionality clinical trials, each written for real people, not researchers. We’re tracking 2,474 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06878326Recruiting
Brain stimulation study for teens with autism
This study tests if a gentle brain stimulation technique (tDCS) can help improve brain function in adolescents with autism. It aims to find out which teens might benefit most.
Hung Hom, KowloonAges 12–22 - NCT06857851Recruiting
Deep brain stimulation study for movement in Parkinson's
This study looks at whether adjusting deep brain stimulation (DBS) can improve how you see and move. DBS uses a device implanted in your brain to help control Parkinson's symptoms. This research aims to find better settings for that device to improve your coordination and daily function.
Cleveland, OhioAges Any age - NCT06860763Recruiting
Acupuncture for ADHD in kids aged 6–12
This study tests whether acupuncture can help children with ADHD. It also looks at which acupuncture points work best and how children experience the treatment.
Beijing, Chaoyang DistrictAges 6–12 - NCT06860724Recruiting
Stress and blood vessel health study for adults 18-55
This study looks at how daily stress affects blood vessel function in healthy adults and those with depression. It aims to find links between emotions and physical health.
Newark, DelawareAges 18–55 - NCT06861790Recruiting
How weight loss surgery affects brain function
This study looks at how weight-loss surgery affects brain function. You will have an MRI scan and give a small blood sample before and after surgery.
Gainesville, FloridaAges 20–75 - NCT06866119Recruiting
Estrogen and heart health in women with early menopause
This study looks at how estrogen therapy affects heart health in women with primary ovarian insufficiency (early menopause). Participants will take a standard estrogen patch and progesterone pill, and researchers will monitor their heart function over time.
Boston, MassachusettsAges 30–40 - NCT04938362Recruiting
Study brain recovery after abscess using memory and brain scans
This study looks at how thinking and energy levels change after a brain abscess. It may help researchers understand what affects recovery and fatigue, using thinking tests and brain imaging/brain-wave checks.
OsloAges 16 years+ - NCT06850350Recruiting
Long COVID and Thinking & Walking
This study looks at how Long COVID affects thinking and movement skills. If you had COVID-19 more than 3 months ago and could walk before you got sick, you may be able to help researchers understand these lasting symptoms.
Chicago, IllinoisAges 18 years+ - NCT06856525RecruitingPhase 2/Phase 3
MRI scan to study lung health in e-cigarette users
This study tests a new type of MRI scan to see how e-cigarettes affect your lungs. It's for young adults who vape nicotine regularly. The results may help doctors understand vaping-related lung damage.
Durham, North CarolinaAges 18–35 - NCT06855706Recruiting
Personalized physical activity program for ovarian and endometrial cancers
This study tests whether a personalized, automated physical activity program (using a Fitbit and continuous glucose monitor) can improve immune function and health outcomes in people with advanced ovarian, primary peritoneal, fallopian tube, or newly diagnosed endometrial cancer. You'll wear an activity tracker, answer questionnaires, and provide blood and stool samples at Roswell Park.
Buffalo, New YorkAges 18 years+ - NCT06853015RecruitingPhase 1/Phase 2
Double dose of 4-AP for spinal cord injury recovery
This study tests whether a higher dose of a drug called 4-AP can help improve leg movement and function after a spinal cord injury. It is for people who have had a spinal cord injury at or above the lower back and can already move their ankle and hip slightly.
Chicago, IllinoisAges 18–85 - NCT06854120Recruiting
Stomach Mapping in People with Stomach Motility Issues
This study tests a stomach mapping device (BSGM) to see how a prokinetic medication changes stomach activity in people with gastroparesis or functional dyspepsia. If you qualify, you'll have two non-invasive recordings—one before and one during your treatment.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06853535RecruitingPhase 3
Personalized antiplatelet therapy after stroke or TIA
This study tests whether guiding antiplatelet medication with a blood test can help prevent another stroke or TIA. It looks at people who have had a mild stroke or high-risk TIA within the last 48 hours.
Chengdu, SichuanAges 18 years+ - NCT06850220Recruiting
How sleep apnea affects thinking and empathy in kids
This study looks at how obstructive sleep apnea caused by enlarged tonsils or adenoids might affect a child's thinking skills and ability to understand others. It will help doctors learn if treating the sleep problem could also help with these skills.
Suzhou, JiangsuAges 3–12 - NCT06854822Recruiting
Siblings of children with cancer: needs and grief
This study looks at the needs and feelings of grief in siblings of children with cancer, before the child passes away. It aims to understand what support siblings might need during this difficult time.
StockholmAges 12–24 - NCT06836440Recruiting
Do glasses help thinking in rural older adults?
This study tests whether giving glasses to older adults in rural areas can improve their thinking and memory. If you have vision problems that can be corrected with glasses, you may be able to join and help us find out if better sight helps your brain stay sharp.
Ya'an, SichuanAges 60–79 - NCT06839794Recruiting
Exercise with thinking challenges for kids with cancer
This study tests whether physical activities that also require thinking (like dancing or obstacle courses) can help improve memory and problem-solving skills in children and teens undergoing cancer treatment.
BernAges 6–17 - NCT06841198Recruiting
Heart and blood vessel health after spinal cord injury
This study looks at how the heart and blood vessels change in the first year after a spinal cord injury. It also tests if electrical stimulation can help improve low blood pressure, which is common after injury.
West Orange, New JerseyAges 18–75 - NCT06838013Recruiting
Electrical stimulation to improve leg movement after stroke
This trial tests a new way to help people with stroke move their legs better by combining electrical stimulation on the back and leg. If you have had a stroke more than 6 months ago and can already walk with or without a cane, this treatment might help strengthen ankle muscles and make walking easier.
Hong KongAges 50–85 - NCT06837909Recruiting
Nerve block vs wound injection for breathing after kidney donation
This study compares two ways to manage pain after laparoscopic kidney donation surgery: a nerve block (injection near the belly muscles) versus injecting numbing medicine directly into the surgical wound. The goal is to see which method helps you breathe better after surgery.
Petah TikvaAges 18 years+ - NCT06631820Recruiting
A study of epicatechin for muscle health in advanced kidney disease
This trial tests whether a natural supplement called epicatechin can improve muscle health in people with advanced chronic kidney disease (CKD). You may be able to join if you have low kidney function and are not planning to start dialysis or have a kidney transplant in the next 4 months.
Huddinge, Stockholm CountyAges 60 years+ - NCT06834126RecruitingPhase 1
Papaverine with radiation for advanced rectal cancer
This trial tests if adding papaverine (a drug) to radiation therapy can help people with locally advanced rectal cancer avoid surgery and keep their rectum. It is for patients who have already had chemotherapy and want a non-surgical approach.
Duarte, CaliforniaAges 18 years+ - NCT06826209Enrolling by invitation
Comparing arm function in children with and without hemophilia
This study compares how well children with hemophilia use their arms and hands compared to healthy children. If your child has hemophilia A or B, is on regular treatment, and has no inhibitors or recent bleeds in the arm, they may be able to join.
Ankara, AnkaraAges 7–17 - NCT06830655Enrolling by invitation
Climbing performance and body factors study
This study looks at how mobility, balance, and fatigue affect climbing performance. If you are a healthy climber, you may help researchers understand what makes a better climber.
Gdansk, GdańskAges 15–45
Hear when a new Functionality 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 functionality?
- Yes. Clin2 currently lists 2,474 recruiting functionality 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 functionality 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 functionality 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.