Clinical trials
Health clinical trials
Below are recruiting health clinical trials, each written for real people, not researchers. We’re tracking 5,393 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03991507Recruiting
Study for people with polycystic ovary syndrome (PCOS)
This study is looking for people who have PCOS based on a specific medical diagnosis standard called the Rotterdam criteria. If you match that diagnosis, the study may test treatments or strategies for PCOS and how well they work.
Zhengzhou, HenanAges 18–40 - NCT03893734RecruitingPhase 4
Methadone vs hydromorphone to check heart rhythm after surgery
This trial tests whether the pain medicines methadone and hydromorphone affect the heart’s electrical timing after general anesthesia and surgery. It may help doctors choose the safer option for patients who need strong pain control after an operation.
Evanston, IllinoisAges 18–80 - NCT03732131Recruiting
Study of stool bacteria transplant to help people with infections
This study looks at fecal microbiota transplantation (FMT), which is a stool bacteria transplant, to help adults whose symptoms persist or return, often from C. difficile infection. If you’re already planning or receiving FMT for certain conditions, this trial may add information on how it helps and who benefits.
LahtiAges 18–120 - NCT04279457RecruitingPhase 4
Test whether special dye helps protect kidney function during heart procedures
This trial studies whether a device called Dye-Vert Plus can lower the risk of kidney injury from contrast dye during heart catheter procedures (CAG and/or PCI). It focuses on people at higher kidney risk, especially those with diabetes or high blood pressure.
Charleston, West VirginiaAges 18–90 - NCT04399707Recruiting
Nerve-pain device study for pain after C-section
This study tests whether a small skin electrical nerve stimulator (called TENS) can reduce pain after a planned or not-urgent C-section. You may be more likely to have less pain and use fewer pain medicines if the TENS helps you.
Honolulu, HawaiiAges 18 years+ - NCT03168958RecruitingPhase 4
Methadone to improve recovery after planned heart surgery
This trial looks at whether giving methadone during planned heart surgery can improve how patients feel and recover afterward. It will mainly compare recovery quality using a patient questionnaire.
Evanston, IllinoisAges 18–90 - NCT04220749RecruitingPhase 2
Radiation vs mouth surgery for HPV-negative throat cancer
This Phase 2 trial compares two standard cancer treatments—radiation or surgery through the mouth—for HPV-negative oropharyngeal throat cancer. It aims to find out which approach works better while keeping side effects and quality of life acceptable.
London, OntarioAges 18 years+ - NCT04679584Recruiting
Study of long-term effects after COVID-19 infection
This study looks at how COVID-19 can affect health and quality of life over the long term. It may help researchers understand symptoms that can last and what changes people experience after recovery.
Würzburg, BavariaAges 18 years+ - NCT04017286Recruiting
Pregnancy mental health survey and baby development outcomes study
This study looks at how a pregnant person’s mental well-being during pregnancy relates to their child’s later behavior and development. It mainly involves questionnaires and comparing outcomes, and it may help researchers understand what pregnancy mental health supports best.
Chongqing, Chongqing MunicipalityAges 3 months–6 years - NCT04162444Recruiting
Aortic valve reconstruction study for children
This trial studies a surgery approach to help fix a narrowed or leaking aortic valve in children. It aims to see how well the reconstructed valve works and how it affects the child’s heart function over time.
MoscowAges 4 weeks–12 years - NCT04037761Recruiting
SCHEDULE-P Preschool Study for 3-Year-Olds in Shanghai
This study follows 3-year-old children attending preschools in Shanghai to learn about health, education, and lifestyle patterns. It may help researchers understand what supports healthy development in early childhood.
Shanghai, Shanghai MunicipalityAges 3–6 - NCT03569826Recruiting
Study for primary biliary cholangitis and autoimmune hepatitis
This study is for people diagnosed with primary biliary cholangitis or autoimmune hepatitis. It aims to learn more about these autoimmune liver conditions and may help guide better care in the future.
Calgary, AlbertaAges 18 years+ - NCT04206748Recruiting
Remote glucose monitoring for diabetes during pregnancy
This study tests whether a remote glucose monitoring device, used alongside your usual glucose meter, can help manage blood sugar during pregnancy. It may be helpful if you have gestational diabetes or type 2 diabetes in pregnancy and can start before about 30 weeks.
Houston, TexasAges 18 years+ - NCT05017389Recruiting
Long-term health follow-up for premature newborns
This study follows babies born early (premature) over the long term to learn how they grow and develop. It mainly helps doctors understand long-term health needs after early birth.
Shanghai, Shanghai MunicipalityAges 2 weeks–4 months - NCT05002023Recruiting
Study tracking health and immunity from pregnancy to your child
This study follows healthy pregnant people during pregnancy and then checks children’s health and immune system development. You may be able to join if you’re an adult with a single, healthy pregnancy and you can consent.
HamburgAges 18–50 - NCT03269630Recruiting
Pulmonary hypertension biobank for heart-lung blood samples
This study collects and stores health information and possibly blood samples from people being evaluated for pulmonary hypertension or related autoimmune conditions. It helps researchers learn more about these illnesses and may support future studies.
New Orleans, LouisianaAges 18 years+ - NCT02640911Recruiting
Long-term study of certain antipsychines in schizophrenia
This is an observational (non-intervention) study that follows adults with schizophrenia who are taking specific “atypical” antipsychotic medicines long-term. Researchers want to learn about patients’ experiences and outcomes while on these treatments.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT05047133RecruitingPhase 2/Phase 3
Early TXA treatment for adult hip fracture surgery
This study tests whether giving a blood-clot-reducing medicine (TXA) early after an adult hip fracture helps reduce bleeding and related problems around surgery. It may help some patients getting operative fixation by improving safety during recovery.
Grand Blanc, MichiganAges 18 years+ - NCT04685148RecruitingPhase 1/Phase 2
Study of mental health treatment during pregnancy
This trial studies a treatment aimed at improving maternal mental health during pregnancy. It focuses on people who have had depression around pregnancy before, and checks whether the approach is safe and helpful for them.
CopenhagenAges 18–45 - NCT03218332Recruiting
Study of concussion symptoms in professional athletes
This study looks at persistent symptoms after concussions in professional athletes and compares different concussion histories. It aims to understand what contributes to ongoing problems and whether certain patterns can be identified to guide better care.
Toronto, OntarioAges 25–85 - NCT05074732Recruiting
Study of forensic mental health admissions after a service move
This study looks at all adult admissions to Ireland’s National Forensic Mental Health Service during a specific time window. It may help improve how the new forensic service at Portrane runs in the future.
DublinAges 18 years+ - NCT05074901Recruiting
Using a health app in France with virtual support
This trial tests whether a digital health app (with “virtual agents,” like guided prompts/support) can improve people’s health outcomes. You may help the study by using the app and completing its questionnaires.
BordeauxAges 18 years+ - NCT04362046Recruiting
Fertility-friendly treatment for early uterine cancer or precancer
This trial studies whether removing an early, hormone-responsive uterine growth using a procedure through the cervix can keep fertility possible. It is for people under 40 with a specific low-risk uterine biopsy and MRI findings who have already tried hormone treatment.
Vancouver, British ColumbiaAges 19–39 - NCT05102825Recruiting
Lung MRI registry to track breathing health
This study builds a lung imaging registry using MRI pictures to learn how breathing health looks and changes. It may help researchers understand lung problems and how well different people can complete breathing-related MRI scans.
Vancouver, British ColumbiaAges birth–99 years
Hear when a new Health trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for health?
- Yes. Clin2 currently lists 5,393 recruiting health 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 health 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 health 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.