Clinical trials
Cohort Studies clinical trials
Below are recruiting cohort studies clinical trials, each written for real people, not researchers. We’re tracking 562 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05658913Recruiting
Tau PET/CT scan study for people in an ongoing cohort
This study uses a special brain scan (tau PET/CT) to look for a protein called tau, and it ties the scan results to information collected in an existing research program. It may help researchers better understand brain changes over time.
Boston, MassachusettsAges 18–120 - NCT05562323Recruiting
Study of immune response after monkeypox vaccination
This is an observational study that follows adults after they get a monkeypox vaccine to learn how their immune system responds. The results may help researchers understand what types of protection the vaccine creates.
Badalona, BarcelonaAges 18 years+ - NCT05339048Enrolling by invitation
Study of adults from Colombia’s Caribbean coast
This study follows adults who were born or are from Colombia’s Caribbean coast. The goal is to learn about health patterns in this community, but you would not be able to join if you meet certain medical or disability-related criteria.
Cartagena, Departamento de BolívarAges 18–80 - NCT05267379Recruiting
Study of causes of pancreatitis after ERCP
This study looks at how genes and medication processing in the body may relate to getting pancreatitis after an ERCP procedure. If you are having an ERCP and meet the criteria, your data and possibly samples may help researchers understand who is at higher risk.
Nijmegen, GelderlandAges 18 years+ - NCT05283993Recruiting
Hospital study following people with plasma cell disorders
This is a hospital-based study that follows people with plasma cell disorders to better understand these conditions. It mainly gathers information from patients who are confirmed to have one of several related diseases.
BeijingAges Any age - NCT05273424Enrolling by invitation
Study of outcomes for people on long-term dialysis
This study looks at health outcomes for people living with chronic kidney disease who have been on hemodialysis for more than 90 days. It may help doctors better understand what to expect over time and how dialysis care can be improved in Brazil.
Pelotas, Rio Grande do SulAges 18 years+ - NCT04955210Recruiting
Study of data sharing in children with severe infections
This trial builds a shared medical data system to better understand severe pneumonia and sepsis in children. Your participation helps clinicians and researchers learn from many cases to improve future care.
Shanghai, Shanghai MunicipalityAges 4 weeks–18 years - NCT04815525Recruiting
Long-term bowel cancer risk after colonoscopy in Hong Kong
This study follows people in Hong Kong over time to learn how the future risk of advanced colon growth changes after they have a colonoscopy. It may help doctors better predict who needs closer follow-up in the years after a colonoscopy.
Shatin, New TerritoriesAges Any age - NCT02229916Recruiting
Follow-up study for testicular cancer after recent treatment
This study looks at how people with testicular cancer are doing after finishing treatment. It mainly focuses on follow-up visits (surveillance) and whether you are in remission, which can help doctors understand and improve post-treatment care.
Sankt GallenAges 18 years+ - NCT04502511Recruiting
Study of different patterns of critical illness in ICU patients
This study looks at how critical illness can vary from person to person in the intensive care unit (ICU). It mainly helps researchers understand these differences and may improve future care for ICU patients.
Groningen, Provincie GroningenAges 18 years+ - NCT04466189Enrolling by invitation
Pancreatic cancer patients receiving proton beam treatment
This study follows people with pancreatic cancer who are planning to receive proton beam therapy. It’s meant to learn about their care and outcomes after this treatment, and you would join by agreeing to participate.
Goyang-si, Gyeonggi-doAges 19 years+ - NCT04466124Enrolling by invitation
Study of liver cancer patients getting proton beam therapy
This study follows people with liver cancer who are scheduled to receive proton beam therapy. It looks at how patients do after treatment and what to expect going forward.
Goyang-si, Gyeonggi-doAges 19 years+ - NCT04297085Recruiting
Study of why blood clots in veins come back
This study follows people who have had a vein blood clot (or related venous clot) to understand what factors may make the clot happen again. It may help clinicians find better ways to prevent repeat clots.
BrestAges Any age - NCT04203849Enrolling by invitation
Study of breast cancer patients getting radiotherapy
This study follows breast cancer patients who are scheduled to receive radiotherapy at a National Cancer Center in Korea. By collecting information during and after treatment, researchers hope to better understand how patients do over time.
Goyang-si, Gyeonggi-doAges 20 years+ - NCT04162171Recruiting
SBRT treatment study for steady heart rhythm VT
This study looks at using SBRT (high-precision radiation) to treat a dangerous, steady heart rhythm called monomorphic VT. It is meant for people who keep having VT even after prior ablation attempts and after trying a class III “rhythm-stabilizing” medicine.
Halifax, Nova ScotiaAges Any age - NCT03919305Recruiting
Study of blood clots in brain veins
This study follows people who have a blood clot in the brain’s venous drainage system. It aims to better understand this condition and may help improve how it is recognized and managed.
BeijingAges Any age - NCT03799653Recruiting
Nurse health study for public hospital nurses in Xiamen
This study asks public hospital nurses in Xiamen to share health information over time. It may help researchers understand nurses’ well-being and work-related health needs, so better support can be developed.
Xiamen, FujianAges 20 years+ - NCT03692455Enrolling by invitation
Compare two weight-loss surgeries for reflux over 8 years
This study follows people for up to 8 years to see how two different weight-loss surgeries affect ongoing heartburn and acid reflux. You would join only if you were already enrolled in an earlier related study and can complete required follow-up visits and tests.
Passo Fundo, Rio Grande do SulAges 18–78 - NCT03633162Recruiting
Study about maternal grandmothers’ effects on babies
This study looks at whether what maternal grandmothers know, do, or influence during a pregnancy is linked to outcomes for grandchildren. You may be included if your grandchild was born at the study hospital and key pregnancy details are available.
Guangzhou, GuangdongAges 36–100 - NCT03582709Enrolling by invitation
Study how sitting time affects kids’ thinking and heart health
This study looks at how much children sit each day and how it relates to thinking skills and cardiovascular (heart and blood vessel) health. It may help researchers understand which lifestyle patterns are linked to better or worse health outcomes in children.
Ages 7–12 - NCT03307486Enrolling by invitation
Study of gestational diabetes during pregnancy
This study follows pregnant people to understand gestational diabetes (high blood sugar during pregnancy) and how it shows up and is monitored. It may help improve future screening and care for gestational diabetes.
São PauloAges Any age - NCT03304730Recruiting
Tracking pain patterns after low back joint injections
This study follows adults with long-lasting low back pain to learn what predicts who improves after a specific type of back joint injection. It mainly helps doctors understand which factors relate to better or worse outcomes over time.
São Paulo, São PauloAges 18 years+ - NCT03296826Recruiting
Study for women with BRCA gene changes
This study follows women who carry BRCA1 or BRCA2 gene variants (or a gene variant of unclear meaning) to learn about their risks over time. It may help improve how genetic information is used to guide future care.
OkayamaAges 20 years+ - NCT03458195Recruiting
Crohn’s surgery follow-up for ileocecal resection patients
This study follows adults with Crohn’s disease who need surgery to remove the ileocecal area. It aims to better understand post-operative outcomes and what to expect after the operation.
LiègeAges 18–100
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Common questions
- Are there clinical trials for cohort studies?
- Yes. Clin2 currently lists 562 recruiting cohort studies 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 cohort studies 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 cohort studies 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.