Clinical trials
Adult clinical trials
Below are recruiting adult clinical trials, each written for real people, not researchers. We’re tracking 3,743 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07020741Recruiting
Stable isotope study in adults with obesity
This study uses a special test (stable isotopes) to learn about how adults with obesity process food and energy. It may help researchers understand weight and metabolism better.
Urbana, IllinoisAges 19–59 - NCT07258355Enrolling by invitation
Fall prevention program for older adults
This study is testing a program that combines everyday activities (like dressing or cooking) with other measures to reduce falls in older adults. If you're 65+, have fallen recently, and don't have certain health issues, this trial might help you stay safer at home.
AnkaraAges 65 years+ - NCT07705061Recruiting
Eye protrusion measurement in Mexican adults
This study measures normal eye protrusion values using a device called a Hertel exophthalmometer in Mexican adults. It helps establish reference ranges for future eye care.
Mexico City, Mexico CityAges 18 years+ - NCT07643220RecruitingPhase 1
Comparing Two Versions of a Hair-Loss Medication
This study tests whether two versions of the same medication (AJU-G721 and G721R)—used to treat hair loss and urinary symptoms—work the same way in the body. Researchers will measure how much medication gets absorbed and how long it stays in your system.
SeoulAges 19–54 - NCT07621523Recruiting
How Pilates Affects Energy Use in Older Adults
This study measures how much energy your body uses during Pilates exercises and how it affects your metabolism. Researchers want to understand if regular Pilates is a good way for older adults to stay active and healthy.
Jacarezinho, ParanáAges 60 years+ - NCT07623785Recruiting
Beef and Brain Health in Older Adults
This study looks at whether eating lean beef and dairy products daily affects brain health markers in people 65 and older. Researchers will track blood, urine, and other samples to see if beef consumption influences how your brain functions at the molecular level.
Brookings, South DakotaAges 65 years+ - NCT07628296Recruiting
Blood Pressure Measurement Accuracy Study
This study tests how accurately a non-invasive blood pressure device measures your pressure compared to a direct measurement from an arterial line (a thin tube in an artery that directly measures pressure). You'll need to be in a hospital or intensive care setting where you already have an arterial line as part of your standard care.
TampereAges 18 years+ - NCT07547176Recruiting
How Your Body Uses Protein From Beef
This study measures how your body breaks down and uses protein from beef at different amounts. Researchers want to understand the best dose of beef protein for young, healthy adults.
Maastricht, LimburgAges 18–35 - NCT07556627Recruiting
How chocolate affects heart health during long sitting
This study tests whether eating chocolate before sitting for several hours helps protect your heart and blood vessels. Researchers want to see if chocolate's natural compounds can reduce the harmful effects of prolonged sitting on cardiovascular health.
Riyadh, Riyadh RegionAges 18–40 - NCT07557550Recruiting
Relaxation methods before orthopedic surgery: glasses vs. virtual reality
This study tests whether watching relaxing videos through special glasses or a virtual reality headset helps reduce anxiety before orthopedic surgery (like hip or knee replacement). Researchers want to see if these tools work better than no relaxation aid at all.
Amiens, PicardieAges 18 years+ - NCT07592975Recruiting
Food with Fiber and B-Vitamins for Gut Health in Older Adults
This study tests whether adding special fibers (prebiotics) and B-vitamins to food can improve your gut bacteria, reduce inflammation, and support mental health. You'll eat fortified foods for several weeks while researchers track changes in your digestion and wellbeing.
Coleraine, County LondonderryAges 50 years+ - NCT07597980Recruiting
Exercise and diet program to strengthen muscles in older adults
This study tests whether a lifestyle program combining exercise and nutrition can help adults over 50 improve their muscle strength and function. You'll work with researchers to see if this approach helps with mobility and overall health.
Baton Rouge, LouisianaAges 50 years+ - NCT07517809Recruiting
Comparing two nerve-block techniques for arm surgery
This trial compares two different ultrasound-guided methods of numbing the nerves in your upper arm and shoulder for surgery on your hand, wrist, or forearm. The goal is to see which technique works better and is safer for patients.
CairoAges 21–65 - NCT07373210Recruiting
Placebo pills for hip surgery pain in teens and young adults
This study tests whether taking placebo pills (pills with no active drug) can help manage pain after a specific hip surgery, called Bernese Periacetabular Osteotomy (PAO), in people with a hip condition called developmental dysplasia. The goal is to see if using placebos can reduce the need for pain medications and help with recovery.
San Francisco, CaliforniaAges 13–40 - NCT07433400Recruiting
Long-term study of adults with Ph+ ALL who relapsed or didn't respond
This trial follows adults with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) that has come back or hasn't gotten better with treatment. It aims to understand how people do over time and what factors affect their health.
Pierre-BéniteAges 18 years+ - NCT07398443Recruiting
Study of marijuana and tobacco use in young adults
This study looks at how young adults use both marijuana and tobacco, and aims to understand their behaviors. It involves tasks and questionnaires, and may help develop better support for people who use both substances.
Providence, Rhode IslandAges 18–25 - NCT07369440Recruiting
Power training for fall risk in older adults
This study tests whether a community-based power training program can help reduce fall risk in older adults. It compares results for people who have fallen in the past year and those who haven't.
Maia, Porto DistrictAges 65 years+ - NCT07392372RecruitingPhase 1
Testing the safety of BNT351 in people with and without HIV
This trial tests a new antibody called BNT351 to see if it is safe and how it affects the immune system. It is for adults who either do not have HIV, or have HIV and are not currently on HIV medications.
Chicago, IllinoisAges 18–65 - NCT07299513Recruiting
Study of airway and digestive fistulas in adults
This study looks at adults who had an abnormal connection between their airway and digestive tract, called an aerodigestive fistula, diagnosed between 2014 and 2023. It aims to understand these conditions better by reviewing patient data from the University Hospital of Strasbourg.
StrasbourgAges 18 years+ - NCT07346989Recruiting
Brain stimulation to improve function in frail older adults
This study uses a gentle, non-invasive brain stimulation technique (called transcranial direct current stimulation, or tDCS) to see if it can improve physical function and daily activities in older adults who are showing early signs of frailty. You will be asked to do some simple exercises and cognitive tasks while receiving or not receiving the stimulation.
Valencia, ValenciaAges 65–90 - NCT07348510Recruiting
Diuretic Effect of Aminophylline and Furosemide in Heart Surgery Patients
This study is testing if a combination of two medicines (aminophylline and furosemide) can help the kidneys produce more urine after heart surgery. It may help reduce fluid buildup and protect kidney function.
CairoAges 18–65 - NCT07291336RecruitingPhase 4
Comparing two ways to place dental implants
This trial compares two methods for placing dental implants in the upper jaw: dynamic navigation (real-time guidance) versus static navigation (using a surgical guide). It aims to see which technique is more accurate for people missing one tooth between the right and left second premolars.
CairoAges 22–60 - NCT07235917RecruitingPhase 2
Mibavademab for functional hypothalamic amenorrhea
This trial tests an investigational drug called mibavademab for women whose periods have stopped due to a condition called functional hypothalamic amenorrhea (FHA). It may help restart your menstrual cycle by targeting hormones involved in reproduction.
Phoenix, ArizonaAges 18–40 - NCT07242300RecruitingPhase 3
Testing a new botulinum toxin for arm stiffness after stroke
This trial tests a new injectable medication (Eveotox) to see if it can safely reduce arm or hand stiffness in people who have had a stroke. The goal is to improve daily activities like dressing or cleaning your hand.
Beijing, Beijing MunicipalityAges 18–80
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Common questions
- Are there clinical trials for adult?
- Yes. Clin2 currently lists 3,743 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.