Clinical trials
Functionality clinical trials
Below are recruiting functionality clinical trials, each written for real people, not researchers. We’re tracking 2,563 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07737873Recruiting
Movement and brain function after chronic stroke
This study looks at how stroke affects your movement and nervous system over time. You will do simple movement tests and answer quality-of-life surveys to help researchers understand how to improve recovery.
Sacramento, CaliforniaAges 18 years+ - NCT07728734Enrolling by invitation
Predicting recovery after a brain bleed
This study is testing a way to predict how well people will recover after a brain bleed (intracerebral hemorrhage). It uses information from the first 24 hours to help doctors and families understand the chances of getting better.
Badalona, BarcelonaAges 18 years+ - NCT07132944Recruiting
CTraC-FIT: a program for frail older veterans
This study is testing a program called CTraC-FIT, designed to help older veterans who are frail or have trouble with walking or balance. The goal is to see if it's possible to run this program and if it helps people improve their physical function.
Boston, MassachusettsAges 65 years+ - NCT07422220Recruiting
Walnuts and brain health: a long-term study
This study tests whether eating walnuts every day for a long time can help keep your brain healthy as you age. It is for middle-aged and older adults who carry extra weight around their belly but are otherwise generally healthy.
Maastricht, LimburgAges 45–75 - NCT06848751Recruiting
Tubeless lung surgery for patients with weak lungs
This trial tests whether a tubeless surgery technique (no breathing tube during or after surgery) is safe and effective for people whose lungs are not working well. If you need lung surgery and have trouble breathing, this approach might help you avoid a breathing tube and a stay in the ICU.
Jinan, ShandongAges 14–85 - NCT07720882Recruiting
Brain implant study to restore hand function after spinal cord injury
This trial tests a fully implanted wireless brain-computer interface (BCI) to help people with paralysis from a neck-level spinal cord injury regain hand and arm movement. The BCI reads brain signals and sends them to your arm, bypassing the damaged spinal cord.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT07713641Recruiting
Testing gut bacteria's effect on brain function and inflammation
This trial looks at whether short-chain fatty acids (substances made by gut bacteria) can reduce inflammation and improve thinking skills (executive function). You'll receive an injection that causes mild, temporary inflammation (like a bad cold) and complete cognitive tasks.
LeuvenAges 18–45 - NCT07474610Recruiting
Belly muscle and arm function in chronic low back pain
This study looks at how a deep belly muscle (transversus abdominis) relates to arm and shoulder function in people with long-term low back pain. It may help understand why some people have trouble with upper body movements.
AnkaraAges 18–45 - NCT07533773Recruiting
Brain Activity Changes After Depression Treatment
This study measures how brain activity in specific regions changes after you receive electroconvulsive therapy (ECT) or magnetic seizure therapy (MST) for severe depression. Researchers use a non-invasive headband to monitor blood flow in your brain before and after treatment to better understand how these therapies work.
Hefei, AnhuiAges 12–65 - NCT07706296Recruiting
Hand function tests for carpal tunnel syndrome
This study tests whether certain hand function tests are reliable and accurate for people with carpal tunnel syndrome. It helps doctors better understand how the condition affects your hand use.
IzmirAges 18–60 - NCT03256240Recruiting
Two surgical options for Crohn’s bowel resection
This trial compares two ways of reconnecting the bowel after surgery in people with Crohn’s disease that affects the small intestine and/or colon. It aims to see which reconnection method works better after the initial surgery, even if you’re on Crohn’s medicines before the operation.
Boston, MassachusettsAges 18–90 - NCT03870672Recruiting
Brain stimulation plus hand practice for severe stroke arm weakness
This trial tests whether using noninvasive brain stimulation, along with guided hand exercises, can improve hand opening and arm function after a stroke. It may help people with severe hand weakness who still have some ability to follow instructions and move the shoulder and elbow.
Cleveland, OhioAges 18–90 - NCT04373564RecruitingPhase 4
Tracking brain and movement changes after repeated MRI contrast
This study looks at whether getting the MRI contrast dye multiple times over 5 years affects body movement and thinking skills. It compares people who had the dye repeatedly with people who have little or no exposure, using brain MRI scans and regular mental and movement testing.
Scottsdale, ArizonaAges 18–64 - NCT04547816RecruitingPhase 3
Non-surgical treatment for constipation-related prolapse in women
This study tests whether a non-surgical (“conservative”) approach can improve constipation-related bowel problems in women who have a mild-to-moderate rectal bulge from pelvic organ prolapse. It may help by addressing how the rectum and pelvic floor work during bowel movements.
MoscowAges 18–70 - NCT04611243Recruiting
Follow-up study after hospital recovery from COVID-19
This study checks how well your lungs work and how much exercise you can do after you’ve been discharged from the hospital for COVID-19. It also measures blood (serology) results to understand recovery and possible immune response changes over time.
Hong KongAges 18 years+ - NCT04638088Recruiting
Robot or standard surgery for prostate removal
This trial compares different ways of doing a radical prostatectomy (surgery to remove the prostate): robot-assisted laparoscopy, conventional laparoscopy, or open surgery. It may help improve which approach is best for people having planned prostate removal.
AgenAges 18 years+ - NCT04643106Recruiting
Compare two ways to stop bleeding during ovarian cyst removal
This trial compares two methods used during laparoscopic (small-robot/pinch-incision) ovarian cyst surgery to see which stops bleeding better and better protects future fertility. You may be eligible if you’re having surgery for ovarian endometriosis and meet hormone and pregnancy-related requirements.
Goyang-si, Gyeonggi-doAges 19–45 - NCT04676828Recruiting
SPECT-guided radiation to avoid healthy lung in lung cancer
This study tests a special imaging-guided radiation plan that aims to treat lung cancer while reducing radiation to healthy lung tissue. It may help lower lung side effects while keeping the cancer treatment focused on tumor areas.
Sydney, New South WalesAges 18 years+ - NCT04704297RecruitingPhase 4
Trigger point shots for low back muscle pain
This trial tests whether injecting sore “trigger points” in low back muscles helps improve chronic low back pain. It compares treatments in people with specific low back muscle pain patterns and excludes several other causes of pain.
Tacoma, WashingtonAges 18 years+ - NCT04849806Recruiting
Testing whether heart nerve signals predict COPD symptoms
This study looks at “sympathetic nerve activity” (signals from the nervous system that affect the heart) in adults with chronic obstructive pulmonary disease (COPD). The goal is to see whether these measurements can help predict what happens to people with COPD.
AachenAges 18 years+ - NCT04883515Recruiting
Glutamine drink for insulin resistance and bowel symptoms
This trial studies whether taking an oral glutamine supplement can improve insulin resistance and reduce bowel-related problems in people with obesity and irritable bowel syndrome. It may help your blood sugar regulation and digestive comfort if you meet the criteria.
RouenAges 18–65 - NCT04918329Recruiting
Digestive symptom check-in study for adults
This study follows adults with long-lasting “functional” digestive symptoms as part of routine care. It may help researchers better understand these conditions and improve how they are managed.
RouenAges 18 years+ - NCT05049317Recruiting
Check urinary and sexual function after rectal cancer surgery
This study looks at how a specific rectal surgery (laparoscopic total mesorectum excision) affects urinary and sexual function after the operation. It may help patients by tracking what to expect and which factors relate to better recovery.
Wuhan, HubeiAges 18–70 - NCT05051059Recruiting
Life quality check after leg sarcoma surgery
This study checks how people with leg sarcoma are functioning and how satisfied they are with their quality of life after treatment. It mainly looks at patients at least one year after limb-sparing surgery, to understand long-term effects and support.
Leuven, Vlaams-BrabantAges 18–95
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Common questions
- Are there clinical trials for functionality?
- Yes. Clin2 currently lists 2,563 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.