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
- NCT05982795Recruiting
How CF modulators affect lung bacteria
This study looks at how highly effective CF modulator therapies change the bacteria living in the lungs of people with cystic fibrosis. Understanding these changes may help improve future treatments.
Lebanon, New HampshireAges 18–99 - NCT05999851Recruiting
Maternal blood vessel health in pregnancy
This study looks at how well your blood vessels work during pregnancy to help predict high blood pressure disorders. If you join, you will have extra monitoring and blood tests.
BolognaAges 18–65 - NCT05986604Recruiting
Improving Sleep and Daily Rhythms for Older Adults
This study tests a treatment that helps improve sleep and daily rhythms, which may also help with memory and moving around. It's for people aged 50+, with low income, who have trouble with mobility and sleep.
Berkeley, CaliforniaAges 50 years+ - NCT05993923Recruiting
Geriatric team support for seniors having colorectal cancer surgery
This study tests whether a team of specialists (including a geriatric doctor) can help people aged 70+ recover better after colorectal cancer surgery. The goal is to see if this approach improves your daily functioning and independence after the operation.
Nîmes, FranceAges 70 years+ - NCT05978414Recruiting
Jaw and Pelvis Connections in Women After Prolapse Surgery
This study looks at how the jaw joint and pelvis may be connected in women who have had surgery for pelvic organ prolapse and also have endometriosis. It aims to find new links that could help guide treatment.
PoznanAges 18–60 - NCT05799092Recruiting
Invasive vs non-invasive test for less-severe blocked heart arteries
This study compares two approaches to evaluating and treating people with symptoms of blocked heart arteries that are not “high-risk.” It may help doctors choose the safest, most effective next step for you by comparing invasive testing versus non-invasive evaluation.
Bucheon-siAges 19 years+ - NCT05962879Recruiting
Program for teens with early psychosis-like experiences
This trial tests a new mental health program for teenagers who are having at least one psychosis-like experience and may be at risk for serious mental illness. It may help by offering structured support for both teens and their parents.
Boston, MassachusettsAges 14–19 - NCT05965336Recruiting
Walking test study for nerve damage in diabetes feet
This study looks at how well people with diabetes-related nerve damage (diabetic peripheral neuropathy) can walk, using a treadmill and walking distance tests. It may help improve understanding of walking limits and how to measure change over time.
Pensacola, FloridaAges 45 years+ - NCT05946785RecruitingEarly Phase 1
Study of blood-vessel changes after gestational diabetes
This early-stage study looks at how “oxidative stress” (cell damage from stress molecules) may affect small blood vessels after pregnancy, especially in people who had gestational diabetes. The goal is to better understand what’s going on and whether these changes could be linked to future health risks.
Iowa City, IowaAges 18–50 - NCT05972564RecruitingPhase 1/Phase 2
SGLT2 inhibitor for metabolic syndrome and heart health
This study tests whether a diabetes medication called an SGLT2 inhibitor can reduce inflammation in body fat and improve blood vessel function in people with metabolic syndrome. It may help prevent heart disease and other complications.
Nashville, TennesseeAges 18 years+ - NCT05943444Recruiting
Compares two ways to preserve bowel function after rectal surgery
This trial compares two surgical techniques to see which one better preserves anal function after surgery for low rectal cancer. If you may be eligible for anal-preserving surgery, it may help your care team choose the approach that best protects bowel control.
Guangzhou, GuangdongAges 18–75 - NCT05954832Recruiting
Monitoring heart function and blood flow during general anesthesia
This study checks how heart function and blood flow change in adults while they receive general anesthesia for surgery. It may help doctors better understand what happens to the heart during anesthesia and adjust care for safety.
New York, New YorkAges 18 years+ - NCT05945212Recruiting
Vibration therapy to help leg recovery after subacute stroke
This study tests whether a program using local vibrations on the muscles in the front of your ankle can improve leg nerve and movement recovery after stroke. It may help people who have weak ankle lifting during the weeks to months after stroke.
Le Chambon-FeugerollesAges 18–80 - NCT05967819Recruiting
Study stress and exercise effects on missing periods
This study looks at how physical and stress load from exercise may affect hormone signals that help bring on regular menstrual periods in exercising women. You might benefit by learning more about your hormone and cycle patterns while being monitored through exercise, stress, and at-home measurements.
Colorado Springs, ColoradoAges 18–35 - NCT05932069Recruiting
Exercise program for intermediate age-related eye disease
This study tests whether an active (aerobic) exercise program can improve day-to-day function in Veterans with intermediate age-related macular degeneration (AMD). To join, you must have the right type stage of AMD, be able to do the assessments and exercise, and meet health and internet needs.
Decatur, GeorgiaAges 65–89 - NCT05912257Recruiting
Nutrition program before and after surgery to protect function
This study tests whether an “optimizing nutrition” plan before and after cancer surgery can help older adults maintain physical strength and daily functioning. You may be randomly assigned to the nutrition program or another study group, and you’ll be asked about diet and physical function.
Durham, North CarolinaAges 55 years+ - NCT05928247Recruiting
Behavior program for frequent challenging behaviors in children
This trial tests a structured (manualized) assessment and treatment approach for children who have very frequent challenging behaviors despite prior help. It aims to reduce these behaviors and improve daily functioning by targeting what keeps the behavior going.
Somerset, New JerseyAges 3–17 - NCT05920629Recruiting
Moderate drinking and heart recovery after a recent heart attack
This study looks at whether moderate alcohol intake affects heart function after a recent heart attack. You may be asked to follow a specific plan and attend scheduled visits so researchers can measure changes in your heart and overall recovery.
Basel, BaselAges 18 years+ - NCT05025774Recruiting
Exercise program study for young heart, leukemia, and lung survivors
This study looks at how an exercise program affects fitness and lung function in young people who are survivors of certain conditions (heart transplant, leukemia, or lung disease from prematurity). The goal is to see whether exercise can improve breathing and overall physical function safely.
Minneapolis, MinnesotaAges 8–25 - NCT05131035Recruiting
Trial for thinking-speed training to lower psychosis risk
This study targets problems with “processing speed,” or how fast your brain handles information, to see if it can improve social functioning and lower the risk of developing full psychosis. It’s for people who are considered at high risk for psychosis but do not already have schizophrenia.
Glen Oaks, New YorkAges 14–20 - NCT05909267Recruiting
Testing dopamine-targeted treatment for depression and body inflammation
This study looks at how changing dopamine signaling may affect motivation and movement in people with major depression, and it also involves healthy volunteers. It may help researchers understand whether dopamine changes can improve symptoms and how inflammation may relate to brain function.
SteglitzAges 18–65 - NCT05903859RecruitingPhase 3
Study to improve fertility in men after spinal cord injury
This phase 3 study tests a treatment to improve reproductive function (fertility-related measures) in men who have had a traumatic spinal cord injury. If you may be eligible, it could help researchers see whether the treatment improves reproductive outcomes for men with spinal cord injury.
Miami, FloridaAges 18 years+ - NCT05899439Recruiting
Blood test study of immune changes in type 1 diabetes
This study looks at how your immune system changes over time and how that relates to developing type 1 diabetes. You may be able to join if you can have blood drawn, since the study focuses on blood samples.
Gainesville, FloridaAges birth–100 years - NCT05908591Recruiting
Pregnancy sleep study on breathing, blood vessel function, and safety
This study looks at how sleep and breathing changes during pregnancy may affect blood vessel function and pregnancy safety. You may be asked about your sleep and possibly have health checks during the middle of pregnancy.
Edmonton, AlbertaAges 18 years+
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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.