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
- NCT07090889RecruitingPhase 1
Study of KM-023 for healthy volunteers and Olmsted syndrome patients
This trial tests a new medication, KM-023, first in healthy volunteers to check safety, and then in people with Olmsted syndrome (a rare skin condition causing thick, painful palms and soles). It aims to see if the drug is safe and helpful for those affected.
Chicago, IllinoisAges 18–55 - NCT07719049Recruiting
AI facial health check study for healthy adults
This study uses artificial intelligence to analyze facial photographs to see if health insights can be detected. It is for healthy adult volunteers and involves taking a photo of your face.
Boston, MassachusettsAges 18 years+ - NCT07709494RecruitingPhase 1
Inhaled Rev-56 for healthy volunteers and people with bronchiectasis
This trial tests an inhaled drug called Rev-56 in healthy adults and in adults with non-cystic fibrosis bronchiectasis who have a chronic lung infection with Pseudomonas aeruginosa. It aims to see if the drug is safe, well-tolerated, and helps reduce the bacteria in the lungs.
Miami, FloridaAges 18–80 - NCT07704333RecruitingPhase 1
PET scan test for mold infections
This study is testing a new imaging agent to see if it can help detect invasive mold infections in the body. It will involve healthy volunteers and people with certain types of fungal infections.
Bethesda, MarylandAges 18–100 - 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+ - NCT06484088RecruitingEarly Phase 1
Brain scanning study of frustration in healthy adults
This study looks at how the brain handles frustration in healthy adults using a special brain scanner called magnetoencephalography (MEG). It may help researchers understand normal brain responses to frustration.
Bethesda, MarylandAges 18–55 - NCT07125001Recruiting
Mango study for Hispanic/Latino teens' health
This study looks at whether eating mango every day for 12 weeks can improve gut health and heart health in Hispanic/Latino teens who are overweight. Participants will be asked to eat a mango product and take daily photos.
Davis, CaliforniaAges 12–19 - NCT06433310RecruitingPhase 4
A dietary supplement's effect on gut fungi in healthy adults
This study tests whether a dietary supplement (L-phenylalanine) can affect the natural balance of fungi in the gut. Healthy volunteers take the supplement for a short time, and researchers check how it changes their gut fungi.
New York, New YorkAges 18 years+ - NCT07398222Recruiting
Stomach contents in tirzepatide users and fasting volunteers
This study uses an ultrasound to look at the stomach contents of people who are taking tirzepatide compared to those who are not. It will help doctors understand how this medication affects stomach emptying during fasting.
São Paulo, São PauloAges 18 years+ - NCT07446647RecruitingPhase 1
Tracking Labeled Red Blood Cells After Transfusion
This study tests a special way to label your own red blood cells so doctors can track how long they survive in your body. It helps improve how we measure blood cell recovery after transfusion.
Cincinnati, OhioAges 18 years+ - NCT07383974Recruiting
12-week study: how diet affects skin and health
This trial tests whether eating more fruits and vegetables for 12 weeks can improve your skin and how you feel physically. It uses a special light scanner to measure skin health.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT05698810Recruiting
Study exams practice for upcoming research
This trial checks whether it’s practical and workable to set up study-related exams before planned research. It mainly recruits adults who can consent and be contacted, so the team can prepare future studies smoothly.
GrenobleAges 18 years+ - NCT07157358Recruiting
Hypnosis exercises for mental health in school children
This trial tests if daily online hypnosis exercises can improve mental health in primary school children and prevent future issues. Children listen to a 20-minute recording each day to see if it helps them feel better.
LeidenAges 9–12 - NCT07586111Recruiting
Plant Foods for Better Gut and Heart Health
This study tests whether eating more plant-based foods improves your gut bacteria, digestion, and heart health markers. You'll follow a structured diet plan for several weeks while providing blood, stool, and urine samples to measure changes.
LondonAges 30–70 - NCT07268872Enrolling by invitation
How anesthesia drugs affect immune function in healthy adults
This trial studies how different anesthesia drugs affect the immune system in healthy young adults. It may help doctors choose safer anesthetics for future patients.
Henan, ZhengzhouAges 20–30 - NCT07073989Recruiting
Can gentle nerve stimulation help stroke survivors move better?
This study tests how a gentle electrical stimulation of the arm might improve your sense of position and movement after a stroke. It compares stroke survivors to healthy volunteers to see if this treatment helps your brain reconnect with your arm.
Móstoles, MadridAges 18 years+ - NCT07614698Recruiting
Testing a peptide cream for healthy skin recovery
This study tests whether a peptide-based cream (a product containing small protein fragments) helps healthy skin recover better. Researchers will apply it to your forearm and measure how your skin responds over time.
SplitAges 18–50 - NCT06983730RecruitingEarly Phase 1
Vitamin B3 and Kidney Response to Exercise in Heat
This study tests how your kidneys respond to exercise in the heat, and whether taking vitamin B3 (niacin) changes that response. It might help protect the kidneys of people who work or exercise in hot conditions.
Boston, MassachusettsAges 18–45 - NCT07436949RecruitingPhase 1/Phase 2
Study of BBT002 for chronic sinusitis with nasal polyps and asthma
This study tests a new drug called BBT002 in healthy people and in patients with chronic sinusitis and nasal polyps, with or without asthma. It aims to see if the drug is safe and effective for reducing symptoms.
Beijing, Beijing MunicipalityAges 18–75 - NCT05587036RecruitingPhase 2/Phase 3
Rifaximin study to see how gut bacteria affect mood
This trial tests whether a gut-targeting antibiotic called rifaximin changes the gut microbiome (gut bacteria) and affects emotion. It is looking for healthy men so any mood or gut changes can be more clearly linked to the study treatment.
LeuvenAges 18–50 - NCT06343714RecruitingPhase 1
Testing a new drug for knee osteoarthritis pain
This study tests a new antibody drug (FB1003) for people with knee osteoarthritis pain. It will check if the drug is safe and helps reduce pain. You may be eligible if you have moderate to severe knee pain and are willing to temporarily stop your usual pain medications.
Brisbane, QueenslandAges 18–75 - NCT06937814Recruiting
Effect of Humiome Post LB on Gut Comfort in Healthy Adults
This study tests a supplement called Humiome Post LB to see if it helps with mild digestive discomfort like bloating, irregular stools, and urgency. If you have frequent but not severe bowel issues (10-20 movements per week with loose stools) and are generally healthy, this may be for you.
London, OntarioAges 18–75 - NCT07151859Recruiting
Skin hydration trial for face, neck, or chest
This study tests a polynucleotide-based injection to improve skin hydration in one area of the face, neck, or chest. It may be an option if you have healthy skin and are looking for a non-surgical way to boost moisture.
Naples, ItalyAges 18–70 - NCT07734649RecruitingPhase 1/Phase 2
RSV and HMPV vaccine study for adults 60 and older
This study tests a new vaccine that targets two respiratory viruses, RSV and HMPV, to see if it's safe and effective in adults 60 years and older. It may help prevent serious lung infections caused by these viruses.
Gadsden, AlabamaAges 60 years+
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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.