Clinical trials
Adult clinical trials
Below are recruiting adult clinical trials, each written for real people, not researchers. We’re tracking 3,749 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07725328Enrolling by invitation
Mobile health program for cancer screening and healthy habits
This trial tests if a mobile app or text messages can help women in Singapore stay on top of cancer screening and adopt healthier habits. It may be a good fit if you're a woman aged 50 to 69 who lives in Singapore.
SingaporeAges 50–69 - NCT07730229Recruiting
Plant-based drink study for healthy adults
This trial looks at how plant-based drinks affect the bacteria in your gut. You would drink a plant-based beverage daily and provide stool samples to see how your gut microbiome changes.
Lund, Skåne CountyAges 18–65 - NCT07730996Recruiting
Nutrition care for hospital patients
This trial tests a new way of providing nutrition care to patients while they are in the hospital. It aims to see if having a dietitian closely involved in patient care can improve their nutritional health. If you are admitted to a participating ward, you might be included.
HerningAges 18 years+ - NCT07728630Recruiting
Blood Vessel Health in Newly Diagnosed Hypertension
This study looks at tiny particles from blood vessel cells to understand early changes in people with newly diagnosed high blood pressure. It compares people with normal blood pressure and those with high blood pressure who have never been treated.
OsijekAges 18 years+ - NCT07727694Recruiting
Access to new cancer drugs for children and young adults
This trial helps children, teens, and young adults with cancer get early access to promising new drugs that are not yet fully approved for their age group. It collects information on how these drugs work in real-world use.
AntwerpAges birth–25 years - NCT07732166RecruitingEarly Phase 1
Psilocybin and Self-Awareness Study
This trial tests whether a single dose of psilocybin (a psychedelic substance) can change self-awareness in healthy adults. It aims to understand how this substance affects the brain, which might lead to new mental health treatments.
Rio de Janeiro, Rio de JaneiroAges 21–60 - NCT07729072Recruiting
Olive leaf extract for better exercise results
This study tests whether taking olive leaf extract supplements can improve how your muscles respond to exercise training. It involves a training program and taking a daily supplement, and may help you build muscle more effectively.
LausanneAges 18–45 - NCT06630949Recruiting
Vitamin D3 and creatine for muscle health in older adults
This study tests whether taking a combination of vitamin D3 and creatine can help older adults with mild mobility problems maintain or improve their muscle function. If you have minor trouble with walking, stairs, or getting in/out of a car, this trial may offer a simple way to help keep your muscles strong.
Hamilton, OntarioAges 60 years+ - NCT07715201Recruiting
Amino acid drink for strength and recovery in active men
This study tests whether a special amino acid supplement helps trained men get stronger, perform better, and recover faster from workouts. You'll take the supplement daily and follow a 10-week supervised training program.
Toronto, OntarioAges 18–45 - NCT07721597RecruitingEarly Phase 1
Testing ZP6590 in Men of Various Weights
This trial tests an experimental medication called ZP6590 given as injections. It's for men who are at a normal weight, overweight, or have obesity, and studies how safe and well-tolerated the drug is in different doses.
Neuss, North Rhine-WestphaliaAges 18–60 - NCT07716098RecruitingPhase 3
Esketamine nasal spray for treatment-resistant depression
This study tests esketamine nasal spray versus a placebo in adults with depression that has not improved after trying at least two other antidepressants. It aims to see if the spray can help when standard pills have not worked.
Redlands, CaliforniaAges 18 years+ - NCT07720284RecruitingPhase 3
Testing new drugs for high-risk bladder cancer after surgery
This trial tests a new combination of drugs (Dato-DXd plus rilvegostomig) against standard treatments for people with high-risk, muscle-invasive bladder cancer that has been surgically removed. The goal is to see if the new treatment reduces the chance of the cancer coming back.
Hot Springs, ArkansasAges 18 years+ - NCT07720375RecruitingPhase 2
Study of galvokimig for non-cystic fibrosis bronchiectasis
This study tests a new medicine called galvokimig for adults with non-cystic fibrosis bronchiectasis, a condition where airways are damaged and cause chronic cough and sputum. The goal is to see if it reduces flare-ups and improves lung health.
Brandon, FloridaAges 18–80 - NCT07722546RecruitingPhase 2
Felzartamab for Graves' disease in adults
This study tests an investigational drug called felzartamab to see if it can help control thyroid function in adults with Graves' disease. It may offer a new option if you are still having symptoms despite anti-thyroid medication.
Glendale, ArizonaAges 18–75 - NCT07718581RecruitingPhase 1/Phase 2
New drug for advanced solid tumors
This study tests a new drug for people with advanced solid tumors that have not responded to standard treatments. The goal is to see if the drug is safe, helps shrink tumors, and improves quality of life.
Orange, CaliforniaAges 18 years+ - NCT07721402RecruitingPhase 1
How prifetrastat is absorbed in healthy adults
This study tests how different forms of the study medicine prifetrastat enter the blood. It may help researchers understand the best way to give the medicine in future studies.
Brussels, Bruxelles-capitale, Région deAges 18 years+ - NCT07715149RecruitingPhase 1
D-2570 study for people with and without liver issues
This trial tests how a drug called D-2570 is processed in people with different levels of liver function. It compares people with liver impairment to those with healthy livers to see how the drug moves through the body.
Bengbu, AnhuiAges 18–70 - NCT07721883Recruiting
Social media and tobacco use in teens
This study looks at how social media affects teens' interest in tobacco products like e-cigarettes and vapes. Researchers want to talk with high school students to understand these influences and help prevent tobacco use.
Los Angeles, CaliforniaAges 14–17 - NCT07720245Recruiting
Self-health app study for adults in Hong Kong
This trial tests a mobile app that helps you check your own health. It is for adults in Hong Kong who want to use the app to learn about their health and get tips.
Hong KongAges 25–65 - NCT07718971Enrolling by invitation
Whole-genome sequencing for unexplained medical conditions
This study uses whole-genome sequencing (a complete read of your DNA) to try to find a genetic cause for unexplained medical conditions. If you have a puzzling illness without a clear diagnosis, this test might give you answers.
Seattle, WashingtonAges 18–50 - NCT07717658Recruiting
Family weight wellness program for teens and parents
This study tests a weight wellness program that uses food support and group medical visits for teens and their parents. It aims to help families adopt healthier habits together over 12 months.
Boston, MassachusettsAges 12–17 - NCT07718048Recruiting
MCT drink study for healthy young adults
This trial tests how different forms of MCT (medium-chain triglyceride) oils affect your body's ketone levels, blood fats, and blood sugar. It is for healthy adults aged 18 to 40 who want to help researchers understand these effects.
MilanAges 18–40 - NCT07715721Recruiting
Acupuncture and Traditional Chinese Medicine for Sarcopenia and Sleep Problems in Older Adults
This study looks at how Traditional Chinese Medicine body types and sleep patterns relate to muscle loss (sarcopenia) in older adults, and tests whether acupoint stimulation (like acupuncture without needles) can help.
TainanAges 20 years+ - NCT07720674Recruiting
SEE FAR CBT for adults with PTSD
This trial tests a therapy called SEE FAR CBT to help adults with PTSD. It involves 12 weekly sessions and check-ins after treatment ends.
Kiryat ShmonaAges 18 years+
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Common questions
- Are there clinical trials for adult?
- Yes. Clin2 currently lists 3,749 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.