Clinical trials
Adult clinical trials
Below are recruiting adult clinical trials, each written for real people, not researchers. We’re tracking 3,745 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07575308RecruitingPhase 2
ALN-6400 for Heavy Bleeding in von Willebrand Disease
This trial tests a new medicine called ALN-6400 in teenage and adult women with von Willebrand disease (a blood clotting condition) who experience heavy menstrual bleeding. The goal is to see if this treatment can reduce bleeding and improve quality of life.
Orange, CaliforniaAges 16–45 - NCT07575529Recruiting
Senior Milk Powder and Gut Health in Healthy Aging
This study tests whether a special milk powder containing beneficial bacteria and fiber (called synbiotics) can improve gut health in adults aged 40–65. You'll use a smartphone app and Apple Watch to track your health and provide samples over several weeks.
SingaporeAges 40–65 - NCT07573176RecruitingPhase 3
Seltorexant for Depression in Adults and Older Adults
This study tests a new medication called seltorexant as a standalone treatment for major depression. The trial is for adults and older adults who have depression that hasn't improved with other antidepressants or who haven't tried them yet.
Bryant, ArkansasAges 18–74 - NCT07570147RecruitingPhase 1
Safety study of ABBV-1451 infusions and injections in healthy adults
This early-stage trial tests how the body handles a new experimental drug called ABBV-1451, given as either an infusion (IV drip) or injection. Researchers want to make sure it's safe and well-tolerated in healthy volunteers before testing it in people with medical conditions.
Grayslake, IllinoisAges 18–60 - NCT07575997Recruiting
Testing Different Interdental Brushes for Gum Disease
This study compares different types of small brushes designed to clean between your teeth in adults with periodontal disease (a serious gum condition). The goal is to see which brush works best at improving gum health.
BrusselsAges 18–80 - NCT07573111RecruitingPhase 1
QUAIL-100 for Children With Blood Cancers After Stem Cell Transplant
This study tests a new experimental treatment called QUAIL-100 in children and young adults who have had a stem cell transplant for a serious blood cancer. The treatment is designed to help the immune system fight remaining cancer cells.
Palo Alto, CaliforniaAges 1.5 years–39 years - NCT07569354Recruiting
Recovery in Older Adults After Mild Head Injury
This study follows older adults (65+) who had a mild traumatic brain injury (concussion) to understand how they recover over time. Researchers want to learn what helps seniors bounce back and stay active after a head injury.
Baltimore, MarylandAges 65 years+ - NCT07573488Recruiting
Sleep, Stress, and Migraine: Observation and Training Study
This study explores how sleep and stress affect migraine headaches and tests whether improving sleep habits can help reduce migraines. You'll be observed and taught strategies over several months while researchers track your headaches and sleep patterns.
ZurichAges 18–65 - NCT07569718Enrolling by invitation
Brain Development Study in Young Adults
This study examines how the brain changes during late adolescence and early adulthood by taking images of your brain and looking at how it processes information. Understanding these changes may help scientists learn more about brain development and mental health.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT07574424Enrolling by invitation
Physical Fitness Measurements in Healthy Adults
This study measures fitness and strength in healthy adults to establish normal values. You'll complete fitness tests to help doctors understand what typical physical performance looks like for people your age.
Lahore, Punjab ProvinceAges 18–65 - NCT07575438RecruitingPhase 2
Fish oil types for reducing diabetes risk
This study tests whether different types of fish oil can improve blood sugar and cholesterol levels in people at high risk for type 2 diabetes. The goal is to see if one type of fish oil is better at reducing diabetes risk.
Montreal, QuebecAges 40–70 - NCT07568951Recruiting
Hip Muscle Strength Study in Parkinson's Disease
This study compares how hip muscles work in people with and without Parkinson's disease. Researchers will measure your hip muscle strength and control to better understand how Parkinson's affects movement and balance.
TaoyuanAges 20–85 - NCT06239636RecruitingEarly Phase 1
Islet transplant study for adults with type 1 diabetes
This early study tests a new kind of donor islet transplant (UP421) designed to avoid rejection. It's for adults with long-standing type 1 diabetes who have trouble controlling blood sugar despite intensive insulin therapy.
UppsalaAges 30–45 - NCT06727695Recruiting
BioStrength training for muscle strength and satisfaction
This study tests a special strength training program called BioStrength to see if it improves muscle strength and overall satisfaction in healthy adults. The program lasts 12 weeks and is for people who are new to strength training.
Leibnitz, Styria, StyriaAges 30–65 - NCT06535633Recruiting
Exercise program for older adults with chronic pain
This study looks at whether a community exercise program can help older adults with long-term muscle or joint pain. It is designed for people who are not already active and want to try a gentle, guided exercise program.
LimerickAges 50 years+ - NCT06712849Recruiting
Brain stimulation for adult lazy eye
This trial tests a gentle, noninvasive brain stimulation technique (called TMS) to see if it can improve vision in adults with lazy eye. It is a noninvasive approach that does not involve surgery or drugs.
Downers Grove, IllinoisAges 18–55 - NCT06647550RecruitingPhase 2
Testing a new pill for type 2 diabetes not well controlled by diet and exercise
This trial tests a new medication, HD-6277, to see if it can help lower blood sugar in adults with type 2 diabetes that isn't well managed by diet and exercise alone.
SeoulAges 19–75 - NCT06454747RecruitingPhase 2
Testing a new gel for moderate to severe melasma
This study tests a new gel (SM-030) for adults with moderate to severe melasma. If you join, you would use the gel on your face for a few months and stop other skin-lightening products, while applying the provided sunscreen every day.
Santa Tecla, La Libertad DepartmentAges 18–65 - NCT06533943Recruiting
Beach park physical activity study in Rimini
This study looks at whether physical activity done in a blue-green space (like a park by the sea) is good for your health. It is open to adults living in Rimini who can follow simple exercise instructions.
Rimini, RiminiAges 18 years+ - NCT07565090RecruitingPhase 1
Sudan Virus Vaccine Safety Study for Healthy Adults
This study tests a new experimental vaccine designed to protect against Sudan virus, a rare but serious disease. Researchers will check if the vaccine is safe and helps your immune system fight off the virus.
Washington D.C., District of ColumbiaAges 18–50 - NCT07560696Recruiting
Web-based therapy for thinking and speech after illness
This study tests whether patients recovering from serious illness in the ICU or stroke ward can use a web-based platform called Cognishine to help rebuild their thinking skills and speech ability. The goal is to see if this online approach works well and is practical for patients receiving support from therapists.
LiverpoolAges 18 years+ - NCT07560956Enrolling by invitation
Quality of Life in Adults With Untreated Fabry Disease
This study looks at how Fabry disease affects daily life in adults who haven't started treatment yet. Researchers want to understand your experiences and challenges to improve care for people with this rare genetic condition.
GothenburgAges 18 years+ - NCT07560020RecruitingPhase 2
Surlorian for RYR1 muscle weakness: strength and safety study
This trial tests whether a new drug called Surlorian can improve muscle strength in adults with a rare genetic muscle condition (RYR1-related myopathy). You'd receive either the drug or a placebo and be monitored for safety and changes in muscle function.
Marseille, Bouches-du-RhôneAges 18–65 - NCT07563881RecruitingPhase 3
Testing RAP-219 for Focal Seizure Control in Adults
This study tests whether a new medication called RAP-219 can help adults with focal seizures (seizures that start in one area of the brain) control their seizures better. You would take this medication alongside your current seizure drugs for about 12 weeks.
Palmdale, CaliforniaAges 18–75
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Common questions
- Are there clinical trials for adult?
- Yes. Clin2 currently lists 3,745 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.