Clinical trials
Adult clinical trials
Below are recruiting adult clinical trials, each written for real people, not researchers. We’re tracking 3,715 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04373473RecruitingPhase 2
Oral stool treatment to prevent ulcerative colitis flare-ups
This study tests whether taking freeze-dried (lyophilized) donor stool material by mouth can help prevent ulcerative colitis from coming back or causing intestinal inflammation. Participants are in remission and stay on their usual treatment while receiving the study product.
Houston, TexasAges 18 years+ - NCT06902636Recruiting
Trauma care program for older adults living alone
This trial tests a special care program for older adults who live alone and have limb injuries. It aims to help them recover safely at home using smartphone support for three months.
Kaohsiung City, KaohsiungAges 65 years+ - NCT06901700Recruiting
Leg strength training at home for older adults
This study tests if doing leg strengthening exercises at home can improve muscle strength, balance, and daily function in older adults. It may help you stay steady on your feet and move more easily.
TaipeiAges 65–80 - NCT06177600Recruiting
TransHealthGUIDE: Health help for gender-diverse young adults
This study aims to improve healthcare for gender-diverse young adults (ages 18-29) and their caregivers. It involves a program to support transgender and nonbinary health and will take place online.
Boston, MassachusettsAges 18–29 - NCT05978336Recruiting
Physical activity help for older adults with walking difficulty
This study tests a program to help older adults who have some trouble walking become more active. If you are able to walk a short distance without major help and have no serious memory problems, you may be able to join and get support to move more safely.
Vancouver, British ColumbiaAges 70–89 - NCT05712772Recruiting
Study how light affects mood in depressed teens and young adults
This study looks at how different light patterns may change brain and mood responses in people with depressive symptoms. It may help researchers understand why light can affect mood and guide future treatments.
Pittsburgh, PennsylvaniaAges 12–30 - NCT07230951Recruiting
How eating white potatoes at different times affects blood sugar and appetite
This study tests whether eating white potatoes at different times of day changes your blood sugar and hunger levels. It may help understand how meal timing affects health in adults.
Toronto, OntarioAges 18–65 - NCT04853173Recruiting
Testing pain-relief methods for adult tonsillectomy
This trial looks at how best to control pain for adults having tonsil removal (tonsillectomy) on an outpatient basis. It may help find a pain plan that works well and is safe for people like you.
BesançonAges 18 years+ - NCT04942717Recruiting
Talking about health values with Spanish or English-speaking patients
This study tests an approach for discussing and sharing what patients value about their health, and adapting it for Latinx communities. It involves separate interviews with patients, families/caregivers, and oncology clinicians to improve how the intervention works and is understood.
New York, New YorkAges 21 years+ - NCT06573658Recruiting
Brain changes after balance training in older adults
This study looks at how the brain changes after balance exercises that challenge your stability. It may help find better ways to prevent falls in older adults.
Hong KongAges 60 years+ - NCT07294131RecruitingPhase 2
Preventing muscle loss in hospitalized older adults
This trial tests a special exercise approach using blood-flow restriction and a video game to help older adults in the hospital keep their muscle strength. The goal is to find a safe way for bedridden patients to exercise and recover better.
AntwerpAges 65 years+ - NCT07135843Recruiting
Digital home exercise program after hip replacement
This study tests a home-based digital program that encourages physical activity in older adults after hip replacement surgery. It aims to help you stay active and recover better from home.
Heidelberg, Baden-WurttembergAges 65 years+ - NCT07314801Enrolling by invitation
Financial impact of cancer in young adults
This study looks at how cancer treatment affects your finances and your recovery, especially for young adults. It involves a phone interview and some questionnaires to understand your experience.
Göttingen, Lower SaxonyAges 18–50 - NCT06831942Recruiting
Suicide prevention counseling for adults 65 and older
This study tests a short counseling program for older adults (65+) who have recently attempted suicide or had serious suicidal thoughts. The program is designed to help reduce the risk of future suicide attempts. It is offered alongside your regular mental health care.
BoråsAges 65 years+ - NCT07500077Recruiting
Strength and balance for older adults in cardiac rehab
This research study tests whether adding strength and balance exercises to your regular cardiac rehab class can help older adults feel stronger and more steady on their feet. It is for people who are already taking part in a maintenance cardiac rehab program in Scotland.
GlasgowAges 50–100 - NCT07638046RecruitingPhase 2
Mindful Walking and Brain Function in Older Adults
This study looks at how mindful walking—combining walking with focused attention—affects thinking and memory in older adults at risk for dementia. Researchers will track your brain activity and daily movement to see if this approach helps protect brain health.
Columbia, South CarolinaAges 60 years+ - NCT06715995Recruiting
Light stimulation's effect on brain waves in healthy older adults
This trial tests if a special light (gamma light) can change brain wave patterns in healthy adults over 55. It aims to understand how light might help keep the brain sharp.
Taoyuan, GuishanAges 55 years+ - NCT06504368RecruitingPhase 1
Testing a new drug DCR-PDL1 for advanced solid tumors
This trial tests an experimental drug called DCR-PDL1 for people with advanced solid tumors or non-Hodgkin's lymphoma that has not responded to, progressed on, or could not tolerate standard treatments, or for which no standard treatment exists. The goal is to see if it is safe and how the body processes it.
Irving, TexasAges 18 years+ - NCT07067697Recruiting
Exercise and nutrition for older adults in the hospital
This study tests whether a supervised exercise program, combined with oral nutritional supplements, helps hospitalized older adults who are malnourished or at risk. It aims to improve strength and recovery during their hospital stay.
Pamplona, NavarreAges 75 years+ - NCT07709494RecruitingPhase 1
Inhaled Rev-56 for healthy volunteers and people with bronchiectasis
This trial tests an inhaled drug called Rev-56 in healthy adults and in adults with non-cystic fibrosis bronchiectasis who have a chronic lung infection with Pseudomonas aeruginosa. It aims to see if the drug is safe, well-tolerated, and helps reduce the bacteria in the lungs.
Miami, FloridaAges 18–80 - NCT07695168Recruiting
Digital course and rehab for knee osteoarthritis
This study tests whether a digital program with special sensors and a digital twin can help reduce knee pain and improve mobility in older adults with knee osteoarthritis. It also includes healthy adults for comparison.
TaipeiAges 20–80 - NCT07505914Recruiting
Breathing exercises for better thinking in older adults
This trial tests whether simple breathing exercises can improve memory and thinking skills in adults aged 65 and older. You would attend two sessions each week for 8 weeks.
IstanbulAges 65 years+ - NCT07135284Recruiting
Testing the LibAirty System for Bronchiectasis at Home
This trial tests the LibAirty system, a device that helps clear mucus from your lungs, in people with bronchiectasis. Participants use the device at home to see how well it works in daily life.
Birmingham, AlabamaAges 21 years+ - NCT06953258Enrolling by invitation
Lengthening muscle exercises for older adults' function
This study tests whether a special type of exercise (eccentric training, which focuses on lengthening your muscles) can improve your ability to move and balance. It is designed for healthy older adults who are not already doing strength training.
NantesAges 60–80
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Common questions
- Are there clinical trials for adult?
- Yes. Clin2 currently lists 3,715 recruiting adult 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 adult 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 adult 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.