Clinical trials
Volunteers clinical trials
Below are recruiting volunteers clinical trials, each written for real people, not researchers. We’re tracking 525 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT05902195Recruiting
Improve work ability for young adults after stroke
This study aims to help young adults who have had a stroke improve their ability to work. It may help people get back to work and manage daily function after stroke.
Hong KongAges 18 years+ - NCT05880004Recruiting
Food pantry app support to help people choose healthy food
This trial tests a mobile phone app meant to help food pantry clients pick healthier food options more easily. It also looks at how well the food pantry can stay prepared for emergencies. If you use a participating food pantry often and can use a smartphone, you may be able to try the app during the pilot.
Baltimore, MarylandAges 18 years+ - NCT05774847Recruiting
Study how your brain makes decisions without awareness
This study looks at unconscious (not consciously noticed) brain processing during decision-making in healthy people. You might help researchers understand how the brain reaches choices—and what can affect it.
Pavia, ItaAges 18–60 - NCT05774834Recruiting
Brain imaging study of how healthy people make decisions
This study looks at brain activity in healthy people as they make decisions, using brain scans. It may help researchers understand the brain systems involved in decision-making in everyday life.
Pavia, ItaAges 18–60 - NCT05774860Recruiting
Brain scan study of how social thinking works in healthy people
This study uses brain scans to understand how the brain processes social understanding in healthy volunteers. You might help researchers learn how the brain supports social thinking, which can guide future research for people who struggle with it.
Pavia, ItaAges 18–60 - NCT05678894Recruiting
Hip and pelvic measurements study for younger adults
This study compares hip positioning (acetabular angle) with pelvic tilt in people with femoro-acetabular impingement and in healthy volunteers. It may help researchers better understand hip mechanics and how they relate to symptoms and planning for arthroscopy surgery.
LyonAges 18–50 - NCT05648214RecruitingPhase 1/Phase 2
Testing a new liver medicine in people with fatty liver
This early-phase study tests whether ALN-PNP is safe and well tolerated, first in healthy adults and then in adults with MASLD (fatty liver disease). If you have MASLD, it may help researchers learn whether this medicine is a promising option for treating liver fat buildup.
Glendale, CaliforniaAges 18–75 - NCT05639595Recruiting
Mobile app for mothers and babies in cambodia
This study tests a mobile app that gives mothers and pregnant women health tips for themselves and their babies. The goal is to improve health for both mom and child.
Battambang, BattambangAges 18–49 - NCT05588154Recruiting
Donate blood and other samples to study blood cancers
This study asks healthy adults to provide blood, bone marrow (if needed), skin, saliva, and stool samples. Scientists use these samples to compare patterns related to myeloid (bone-marrow) blood cancers, which may help future research and tests.
Bethesda, MarylandAges 18–120 - NCT05545306Recruiting
Study tests how extra calories change your daily energy use
This study looks at how eating more calories affects your body’s natural heat production and total energy use over a full day. It may help researchers better understand how the body manages weight and energy.
Phoenix, ArizonaAges 18–60 - NCT05504356Recruiting
Study to improve atrial fibrillation ablation and new therapies
This study looks at what results from atrial fibrillation ablation (a heart rhythm procedure) and newer related therapies. If you recently had the procedure—or are scheduled for it soon—you may use an app and website to share information that helps researchers compare outcomes and improve care.
San Francisco, CaliforniaAges 18 years+ - NCT05403151Recruiting
Healthy blood vessel and control study
This study looks at healthy adults and how their blood vessels work. It may help researchers understand normal circulation so they can better compare changes in future conditions.
Bethesda, MarylandAges 18–90 - NCT05208710RecruitingEarly Phase 1
Study new HPV vaccine in healthy adults
This early study tests a new HPV (human papillomavirus) vaccine to see if it can safely trigger an immune response in healthy adults. It’s for people who have not had an HPV vaccine before and can follow study vaccination and pregnancy-prevention rules.
HeidelbergAges 18–45 - NCT05361733RecruitingPhase 1
Safety and blood-drug study of XFB19 in healthy adults
This Phase 1 study tests whether XFB19 is safe and tolerable in healthy adults and how the drug moves through the body (what the blood levels look like). You would be in the study to help researchers understand early safety and dosing information.
Knoxville, TennesseeAges 18–55 - NCT05160337Recruiting
Testing how well blood test markers stay stable in healthy people
This study checks whether certain lab “biomarker” results from blood samples remain accurate over time. The goal is to validate diagnostic tests by testing samples from healthy adults under controlled conditions.
HuningueAges 18–85 - NCT05196061Recruiting
Skin and gut sample study for healthy people
This study builds a detailed library of the microbes living on your skin and in your gut. It may help researchers better understand how these microbes relate to health and future diseases.
Cleveland, OhioAges 18 years+ - NCT05162638Enrolling by invitation
Immune study in MS and healthy adults using a special tube
This study compares immune (defense system) “profiles” between people with multiple sclerosis (MS) and healthy volunteers. It involves a thoracic duct cannulation procedure and several MRIs to see how immune cells behave and whether a specific immune pattern is different in MS.
Philadelphia, PennsylvaniaAges 18–40 - NCT04885959Enrolling by invitation
Study how an Asian diet affects gut bacteria and allergy risk in pregnancy
This study looks at whether eating a traditional Asian diet during pregnancy changes gut bacteria and body chemistry in a way that may lower (or change) a baby’s risk of developing allergies. You would follow the diet during pregnancy and be tracked after delivery.
Kota Bharu, KelantanAges 18–40 - NCT04799301RecruitingPhase 1
Measure how much sugar you eat using blood and hair samples
This Phase 1 study tests whether “biomarkers” in your blood and hair can accurately measure how much sugar you consume. It may help researchers find better ways to track dietary sugar intake in future nutrition and health studies.
Phoenix, ArizonaAges 18–65 - NCT04790890Enrolling by invitation
Scan the eye during surgery to measure normal eye tissue
This study uses an imaging scan called optical coherence tomography (a non-painful light scan) during surgery to map what “normal” eye tissue looks like. It may help improve how eye specialists assess eyes in the future.
Nashville, TennesseeAges 18 years+ - NCT04755699RecruitingEarly Phase 1
Electrical stimulation study for hand or limb movement recovery
This early-stage study tests whether regular, skin-based electrical stimulation can help people with paralysis or weakness regain movement. You would attend frequent clinic sessions for months, while the team checks your ability to follow instructions and your safety.
Manhasset, New YorkAges 18–75 - NCT04624490RecruitingPhase 1
Lung function MRI using a special gas in volunteers
This Phase 1 study tests a lung scan that uses a special gas and MRI to measure how well your lungs work. It includes healthy volunteers and people with lung disease to see how well the scan works and how safe it is.
Kansas City, KansasAges 3 years+ - NCT04600570Recruiting
Ultrasound measurement of the eye nerve in adults
This study uses an ultrasound scan to measure the space around the optic nerve in healthy adults. It helps researchers better understand normal ultrasound measurements for comparison in future eye or brain-related conditions.
TaipeiAges 20 years+
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Common questions
- Are there clinical trials for volunteers?
- Yes. Clin2 currently lists 525 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.