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
- NCT07220694Recruiting
Sabroxy supplement for memory and insulin resistance
This study tests whether a supplement called Sabroxy can improve insulin resistance and memory in adults with mild cognitive impairment and insulin resistance. It may help if you have early memory problems and your blood sugar is slightly higher than normal.
San Francisco, CaliforniaAges 40–80 - NCT07216261Recruiting
The SWELL study: CBT for insomnia in older veterans
This trial tests whether providing cognitive behavioral therapy for insomnia (CBTI) can help older veterans in VA clinics. CBTI is a non-medication treatment that addresses the thoughts and behaviors that keep you awake.
Durham, North CarolinaAges 60 years+ - NCT07219433Recruiting
Mobile app for bladder control problems in women veterans
This study tests a mobile app called MyHealtheBladder to help women veterans with urinary incontinence (leaking urine). The app may help you manage symptoms and improve your quality of life.
Durham, North CarolinaAges Any age - NCT07215572Recruiting
Group physical therapy for veterans with knee osteoarthritis
This trial studies whether a group physical therapy program can help veterans with knee osteoarthritis. It aims to see if this approach is practical and effective for improving knee pain and function.
Durham, North CarolinaAges Any age - NCT06246760Recruiting
Exercise and fitness in healthy adults
This study looks at how breathing, body composition, and heart-lung fitness vary between people who exercise regularly and those who don't. You may qualify if you are generally healthy and can do a treadmill or bike test until you are too tired to continue.
Madrid, Comunity of MadridAges Any age - NCT07219693Recruiting
QuantaFlo HD Blood Flow Study
This study tests a device called QuantaFlo HD that measures blood flow in your legs and arms. It may help detect circulation problems in people with heart disease, diabetes, or high blood pressure.
Tucson, ArizonaAges 22 years+ - NCT06915961Recruiting
HE4 Protein and Lung Function in Cystic Fibrosis
This study looks at a protein in the blood (HE4) and how it relates to lung function in children with cystic fibrosis. It also tests a quality improvement plan to help manage CF. The goal is to find better ways to track and treat the disease.
Cairo, AbbasiaAges 6 years+ - NCT07215884RecruitingPhase 1
Dopamine and movement in people who stutter
This study looks at how dopamine affects speech and movement in adults who stutter. It may help us understand why stuttering happens.
San Francisco, CaliforniaAges 18–65 - NCT07218276Recruiting
Passive robot study for stroke recovery
This study tests a passive robot (a device that moves without force) to help stroke survivors regain arm movement. It aims to see if this approach is safe and helpful for people with arm weakness after a stroke.
Ann Arbor, MichiganAges 18–75 - NCT07219290Enrolling by invitation
Lung function study based on birth order in the litter
This study looks at how your lung function might be related to your position in your mother's litter. It may help us understand more about breathing health.
Fresno, CaliforniaAges 18–65 - NCT07213856Recruiting
Dietary help for constipation in Parkinson's disease
This study tests whether a special diet can help improve constipation symptoms in people with early-stage Parkinson's disease. It aims to see if changing what you eat can make bowel movements more regular and comfortable.
Porto Alegre, Rio Grande do SulAges 18 years+ - NCT07214415RecruitingPhase 2
Hyperbaric oxygen therapy for veterans with brain injury or mental health issues
This trial tests whether hyperbaric oxygen therapy (breathing pure oxygen in a pressurized chamber) can improve thinking, mood, and quality of life in veterans with mild traumatic brain injury, PTSD, anxiety, or depression. You must have already tried at least one evidence-based therapy like CBT or EMDR.
Boise, IdahoAges 18–75 - NCT07213167Recruiting
Low contrast vision test for different lens implants
This trial checks how well you see in low light and low contrast after having cataract surgery with specific lens implants. It helps doctors understand which lenses work best in dim conditions.
Bakersfield, CaliforniaAges 22 years+ - NCT07218471Recruiting
Cannabis reduction study for heavy users
This study tests if helping people reduce heavy cannabis use improves daily life. It's for adults with cannabis use disorder who want to cut back.
Charleston, South CarolinaAges 18 years+ - NCT04706234Recruiting
Check swallowing and voice function in neurodegenerative diseases
This study looks at how well the throat and voice-related functions work in people with certain long-term brain or nerve conditions. It uses a specific throat exam during FEES to better understand swallowing and laryngopharyngeal (throat-area) function.
Innsbruck, TyrolAges 18 years+ - NCT06077019Recruiting
How lung function affects exercise in fit adults
This study looks at how your lung function may limit your exercise capacity, even if you are very active. If you are a healthy, highly fit adult aged 18-39, you may be able to help researchers better understand this connection.
CopenhagenAges 18–39 - NCT05817305Recruiting
Exercise program for people with past heart problems
This trial looks at adding regular exercise to everyday life for people who have had previous heart events. It aims to improve safety and day-to-day health by monitoring who can exercise safely.
Ferrara, FerraraAges 18 years+ - NCT06460142Recruiting
Biomarker study for giant cell arteritis and polymyalgia rheumatica
This study is looking for biomarkers (biological clues) in people with newly diagnosed or flaring giant cell arteritis (GCA) or polymyalgia rheumatica (PMR). Participating may help researchers find better ways to diagnose and monitor these conditions.
Bonn, North Rhine-WestphaliaAges 18 years+ - NCT06752239RecruitingPhase 3
Optimizing radiation to protect thyroid in nasopharyngeal cancer
This trial tests a way to adjust radiation therapy to better protect the thyroid gland during treatment for nasopharyngeal carcinoma. It aims to reduce thyroid damage while still effectively treating the cancer.
Nanchang, JiangxiAges 18–70 - NCT06250842Recruiting
Benzodiazepine impact on brain function study
This study uses brain scans to understand how long-term benzodiazepine use affects thinking and memory. It compares people who have taken benzodiazepines for at least 3 months with those who have not.
Dalian, LiaoningAges 18–80 - NCT03513003Recruiting
Pacifier use to improve misaligned baby teeth
This study tests whether using a pacifier can help correct common misalignments in young children’s baby teeth and bite. It may help children whose upper and lower teeth don’t meet properly, with or without tongue thrust.
BaselAges 2–5 - NCT06913127Recruiting
High-intensity exercise for better recovery after stroke
This trial studies whether doing high-intensity exercise helps people recover walking and other skills better than usual therapy after a stroke. It is for people who are already in a rehabilitation hospital and can walk a short distance with help.
SingaporeAges 21–99 - NCT07209527Enrolling by invitationEarly Phase 1
Truway diagnostic tools in primary care
This trial tests new diagnostic tools that doctors can use in primary care. Researchers want to see if these tools help find the right diagnosis faster and more accurately.
New York, New YorkAges Any age - NCT06929000Recruiting
Testing an adjustable headrest for painless abortion in overweight patients
This study tests whether a special adjustable headrest can help make painless abortion surgery safer and more comfortable for people who are overweight or obese. You may be able to join if you are planning this procedure, have a BMI over 24, and are otherwise healthy enough for anesthesia.
Wuhan, HubeiAges 20–50
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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.