Clinical trials
Volunteers clinical trials
Below are recruiting volunteers clinical trials, each written for real people, not researchers. We’re tracking 528 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07495813RecruitingPhase 1
Study of RO7763505 in healthy people and stable heart disease
This study tests an experimental drug (RO7763505) in healthy people and people with stable heart disease. It aims to see how safe the drug is and how it works in the body.
GroningenAges 18–75 - NCT06488768Recruiting
Nerve block duration in people on vs. off opioids
This study compares how long a numbing nerve block lasts in people who take strong pain medicines (opioids) every day versus those who do not take opioids. It will help doctors understand if pain relief lasts a different amount of time for people on long-term opioids.
SilkeborgAges 18–84 - NCT06626139RecruitingPhase 2
Psilocybin study for healthy volunteers
This trial tests how the setting and context affect the experience of psilocybin, a psychedelic drug. It aims to understand how the environment influences the effects in healthy adults.
San Francisco, CaliforniaAges 21–70 - NCT07735949Recruiting
Daily footwear and leg health in hemophilia knee replacement
This study looks at how the shoes you wear every day affect your leg health and movement. It involves adults with hemophilia who are about to have their first total knee replacement and are willing to participate in a pre-surgery exercise program.
Istanbul, IstanbulAges 18–35 - NCT07212803RecruitingPhase 4
Energy drinks study for young healthy adults
This study looks at how energy drinks affect your heart. It compares the effects of two different energy drinks on heart rate and other heart measures. You will have several short visits where you drink an energy drink and get your heart checked.
Stockton, CaliforniaAges 18–40 - NCT07020156RecruitingPhase 1
First test of drug OX118 in healthy people
This early-phase trial tests a new drug called OX118 in healthy volunteers to see if it is safe and how the body processes it. It is a first step in developing a potential new treatment.
UppsalaAges 18–60 - NCT07721766Recruiting
How muscle type affects strength training results
This study looks at how your muscle's natural energy use affects how well it grows with weight training. It may help you understand your own response to exercise.
Jyväskylä, Central FinlandAges 18–39 - NCT06398340Recruiting
Can a wearable device track what you eat?
This study uses a wearable device (like a smartwatch) to see if it can track what you eat. You would wear the device for a few days and report your meals. It is for generally healthy adults.
LondonAges 18–65 - NCT07038720RecruitingPhase 1
Testing an experimental oral tablet for moderate to severe psoriasis
This early-phase study tests an experimental oral tablet (UA026) in people with moderate to severe plaque psoriasis. The purpose is to see how safe and effective the drug is, and how it works in the body.
Hangzhou, ZhejiangAges 18–55 - NCT07448194RecruitingPhase 1
Safety study of HW241045 in healthy adults
This trial tests the safety of a new drug called HW241045 in healthy volunteers. It helps doctors understand how the drug affects the body and if it causes any side effects.
BeijingAges 18–55 - NCT06877975Recruiting
Testing a new device for glucose and ketone monitoring in healthy adults
This trial tests a new device that tracks blood sugar and ketone levels continuously. It is for healthy people aged 18–45 to see how well the device works.
Waterloo, OntarioAges 18–45 - 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 - NCT00114647Recruiting
Blood draw to collect plasma or white blood cells for lab tests
This trial uses a special blood-removal procedure called apheresis to collect either plasma or white blood cells for laboratory research. It may help scientists understand infection or immune-related processes by providing specific blood components for study.
Bethesda, MarylandAges 18–100 - NCT07745907RecruitingPhase 1
A first-in-human study of a new drug in healthy Chinese and Japanese adults
This trial tests a single dose of an investigational drug called AMG 691 in healthy Chinese and Japanese volunteers to see how it is processed by the body and how safe it is. This is an early-phase study, so it may help make future treatments safer for people of similar backgrounds.
Las Vegas, NevadaAges 18–60 - NCT07746167Recruiting
Pupil response study in healthy adults
This study looks at how your pupils react to light in healthy people. It may help doctors understand normal eye responses, which could improve future eye tests.
Washington D.C., District of ColumbiaAges 18–60 - NCT05945537RecruitingPhase 1
Testing INI-822 in healthy people and those with MASH
This study tests a new oral medication (INI-822) to see if it’s safe and how the body handles it in healthy volunteers and in people with MASH. MASH is a type of fatty liver disease with inflammation and possible scarring. If you have MASH, the study also checks if the drug can improve markers of liver health. You will need to come to the study site for visits and follow strict guidelines about birth control, alcohol, and other medicines.
Camperdown, New South WalesAges 18–70 - NCT06819189RecruitingPhase 1
How a gene affects alcohol response
This study looks at how a specific gene (ZIP8) affects the way people respond to alcohol. You'll have MRI brain scans and may be given alcohol to see how your brain reacts. It's for healthy right-handed adults of European ancestry who have some drinking experience.
Bethesda, MarylandAges 21–60 - NCT07736638RecruitingPhase 1
Testing safety and tolerability of ABBV-859 in healthy adults
This trial studies a new drug called ABBV-859 in healthy volunteers to see how safe it is and how the body processes it. It helps doctors decide the right dose for future studies.
Anaheim, CaliforniaAges 18–65 - NCT07594795Recruiting
Non-invasive brain stimulation safety and feasibility study
This research tests a new, non-invasive method to stimulate deep brain areas using electrical fields applied to the scalp. The study aims to understand how safe and effective this approach is in healthy adults, which could eventually help treat neurological or psychiatric conditions.
Bloomington, IndianaAges 18–50 - NCT07738991RecruitingPhase 1
Study of NKF-PEG compared to Neulasta in healthy men
This study tests a new medicine called NKF-PEG, which is similar to Neulasta (a drug that helps boost white blood cells after chemotherapy). It is being tested in healthy men to see how the body processes it and to check for side effects.
ZhengzhouAges 18–55 - NCT07621653Recruiting
Safety check-in after meningococcal vaccine in Korea
This study watches for any side effects or health changes after you receive the MenQuadfi vaccine, which protects against four types of meningococcal bacteria. Your doctor will follow up with you to make sure the vaccine is safe and working well.
BusanAges 1 month–55 years - NCT06299410RecruitingPhase 1
Study of ITI-1284 brain effects in healthy volunteers
This study tests how a new drug, ITI-1284, works in the brain using PET scans. It helps researchers understand how the drug binds to receptors and how safe it is in healthy people.
New Haven, ConnecticutAges 18–55 - NCT07064564RecruitingPhase 1
Study comparing naltrexone implants with monthly injection in healthy volunteers
This trial compares two forms of naltrexone (a medication used for alcohol and opioid dependence) in healthy volunteers. It tests how well the body processes and tolerates a low or high-dose implant versus the standard monthly injection.
Millcreek, UtahAges 18–65 - NCT07630545RecruitingPhase 1
Testing a new drug for Parkinson's disease
This study tests an experimental drug, MTX325, in people with Parkinson's disease. The goal is to see if it is safe and how the body processes it, which may lead to new treatment options.
AdelaideAges 18–75
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Common questions
- Are there clinical trials for volunteers?
- Yes. Clin2 currently lists 528 recruiting volunteers 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 volunteers 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 volunteers 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.