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
- NCT06835309Enrolling by invitation
Hip muscle strength for stress urinary incontinence
This trial tests whether strengthening hip muscles can improve pelvic floor function in women with stress urinary incontinence (leaking urine during activities like coughing or sneezing).
CairoAges 30–50 - NCT06827535Enrolling by invitation
Long-term study of eye changes in glaucoma and high eye pressure
This study tracks changes in blood flow, structure, and vision over time in people with glaucoma or high eye pressure. It aims to understand how these conditions progress, which could help improve future treatment.
Milan, ItalyAges 18 years+ - 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 - NCT06660758Recruiting
Pilot study of Entarik device in healthy adults
This study tests a new version of the Entarik system, a device that goes through a feeding tube, in healthy adults. It helps researchers see if the system works safely and as intended.
Berkeley, CaliforniaAges 18 years+ - NCT06821035Recruiting
The THRIVE Study: Building Healthy Skills for Teens
This study tests a program to help teens ages 11 to 14 who have had tough experiences learn healthy ways to cope. It involves both the teen and a parent or caregiver, and uses a smartphone app to make it easy to take part.
Irvine, CaliforniaAges 11–14 - NCT06822036Recruiting
Starch powder to reduce bleeding in prostate surgery
This trial tests whether applying a dissolvable starch powder (Arister) inside the pelvis during robot-assisted prostate cancer surgery reduces post-surgery bleeding. It is for men whose surgeons plan to spare the nerves controlling erections and who have moderate erectile function beforehand.
Hamburg, Free and Hanseatic City of HamburgAges 45–68 - NCT06819475Recruiting
Muscle health study for childhood leukemia survivors
This study uses imaging to look at how well the mitochondria (the tiny power plants inside your muscle cells) are working. It compares survivors of childhood leukemia who have low muscle mass to healthy volunteers, to understand muscle health and find ways to help.
Memphis, TennesseeAges 18 years+ - NCT05946083RecruitingPhase 2
Study links binge drinking, gut bacteria, and brain function
This Phase 2 study looks at how binge drinking may change gut bacteria and how your brain works. You may qualify if you’re a Portuguese-speaking student and your drinking pattern and health history match the study rules.
Braga, Gualtar, BragaAges 18–23 - NCT06807892Recruiting
Comparing exercise games for thinking and movement in Huntington's disease
This study tests two different types of video game-based exercises to see which one better helps thinking skills, movement, and mood in people with Huntington's disease. You would play these games as part of your care, and the results may guide future therapy choices.
AngersAges 18 years+ - NCT06803576Enrolling by invitation
Long-term study of dental implants after 10 to 22 years
This study looks at how well dental implants work and how healthy the mouth stays more than 10 years after implant placement. The goal is to learn about implant success and any gum or bone changes over time.
ThessalonikiAges 18 years+ - NCT06814990Recruiting
Heart and liver study for TIPSS patients
This study uses MRI and echocardiography to check heart function in people with alcohol-related liver cirrhosis who need a TIPSS procedure. It aims to learn more about how the heart works in these patients.
Jena, ThuringiaAges 18–99 - NCT06811324RecruitingPhase 2
Tirzepatide for muscle and vessel health in older adults
This study tests if the drug tirzepatide can improve muscle and blood vessel health in older adults with obesity. You may be eligible if you are 50 or older, have a BMI between 30 and 40, and do not have diabetes.
San Antonio, TexasAges 50 years+ - NCT06802744Enrolling by invitation
Breathing tube study for avalanche burial simulation
This study tests whether a special breathing tube changes carbon dioxide levels in the body during a simulated avalanche burial. It helps researchers understand how to better protect people trapped under snow.
Aarau, Canton of AargauAges 18–60 - NCT06800846Enrolling by invitationPhase 4
Pain relief after knee replacement: injection methods compared
This study compares two ways to give pain medicine during knee replacement surgery: one is injected into the bone, the other around the joint. Researchers want to see which works better and may help you recover with less pain.
Khlong Luang, Changwat Pathum ThaniAges 50–80 - NCT06793488RecruitingEarly Phase 1
Anxiety and alcohol use disorder treatment study
This study tests whether a medication called disulfiram (Antabuse) can help people with alcohol use disorder (AUD) feel less anxious when they stop drinking. Researchers will also use brain scans (MRI) to look at how the brain changes during early abstinence.
New York, New YorkAges 21–55 - NCT06797661Recruiting
Brain lesion blood flow study before surgery
This study looks at how blood flow in the brain changes when there is a mass that can be removed with surgery. You would join before any treatment, which helps doctors understand the link between the brain lesion and blood vessel function.
BrusselsAges 18–90 - NCT06797141Enrolling by invitation
Balance exercises with dual-task training for dizziness
This study tests whether adding balance exercises (vestibular rehab) with dual-task training (like walking while talking) helps people with long-term dizziness feel steadier and fall less.
Lahore, Punjab ProvinceAges 40–65 - NCT06793098Recruiting
Functional proteins in polycystic ovary syndrome
This study measures proteins in the blood that may be linked to polycystic ovary syndrome (PCOS). It aims to find differences between women with PCOS and those without, which could lead to better understanding and diagnosis.
KrakowAges 18–45 - NCT04792320Recruiting
Probiotics and fiber for kidney disease with leg artery blockage
This study tests whether an oral absorbent plus probiotics can improve gut health and circulation in people who have chronic kidney disease and symptomatic peripheral artery disease (PAD). It will also track changes in blood markers and how well blood vessels function.
TaipeiAges 20 years+ - NCT06090357Recruiting
How footplant changes after foot and ankle surgery
This study uses special pressure mats to measure how your foot pushes against the ground before and after surgery. It helps doctors learn how surgeries change your walking and balance.
BolognaAges 18–75 - NCT06634147Recruiting
Exercise program to prevent decline in hospitalized older adults
This study is testing a gentle exercise program for older adults (75+) while they are in the hospital. The goal is to see if it helps prevent loss of strength, memory, or thinking skills.
Pamplona, NavarreAges 75 years+ - NCT05871216Recruiting
Study of joint instability in people with loose joints
This trial is testing how to assess and manage joint instability in people who have unusually loose (hypermobile) joints. If you have moderate to severe loose joints, you may be able to join after screening checks like movement tests and health history.
BolognaAges 18–60 - NCT06411561Recruiting
Boosting memory after ICU stay for older adults
This study tests a combination of activities (like cognitive training and exercise) to help older adults recover thinking and memory after a serious illness in the ICU. It may help you regain sharpness and independence after leaving the intensive care unit.
Seattle, WashingtonAges 60 years+ - NCT06791044Recruiting
Vitamin D and bone health in neurological patients
This trial looks at how vitamin D levels relate to bone strength and daily function in people with neurological disorders. If you have a neurological condition or are healthy, you may join to help understand how vitamin D affects bone health.
Nea Liosia, AthensAges 20–85
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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.