Clinical trials
Cohort Studies clinical trials
Below are recruiting cohort studies clinical trials, each written for real people, not researchers. We’re tracking 569 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07046650RecruitingPhase 2
Cisplatin plus gemcitabine for rare tumors after PD-1 therapy
This trial tests a combination of two chemotherapy drugs, cisplatin and gemcitabine, for people with certain rare cancers that no longer respond to a type of immunotherapy called PD-1 inhibitors. The goal is to see how well this treatment works and what side effects it may cause.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT03928509Recruiting
Study of people in Quebec who had COVID-19 in early 2021
This is a study for adults in Quebec who were diagnosed with COVID-19 between November 2020 and May 2021. It aims to learn more about people’s experiences and outcomes after COVID-19, which could help improve future care.
Sherbrooke, QuebecAges Any age - NCT06271291Recruiting
Pancreatic Cancer Detection Study for High-Risk People
This study looks for people at high risk for pancreatic cancer, either because of family history, certain genetic mutations, or concerning pancreatic cysts. Researchers want to follow you over time to find cancer early, when it's easier to treat.
Scottsdale, ArizonaAges 18 years+ - NCT06684327RecruitingPhase 2
Study of three chemotherapy drugs for rare advanced cancers
This trial tests a combination of three chemotherapy drugs (albumin-paclitaxel, ifosfamide, and cisplatin) for people with certain rare cancers that have spread to other parts of the body (stage IV). It looks at how well the treatment works and if it is safe.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT07205861Recruiting
Study of patients with immune TTP in France
This study looks back at medical records of people with immune-mediated thrombotic thrombocytopenic purpura (TTP), a rare blood clotting disorder. It aims to better understand the disease and how it is treated.
ParisAges Any age - NCT02198976Recruiting
Study for adults with Barrett’s esophagus
This study looks at people age 18+ who have Barrett’s esophagus and checks for early changes that may lead to cancer. You might qualify if you can consent and are not pregnant.
Westmead, New South WalesAges 18–99 - NCT02356497Recruiting
Study of treatments for bone metastases using routine data
This study follows adults with cancer that has spread to the bones and who are receiving radiation treatment. It looks at how interventional (procedure-based) treatment decisions affect outcomes by using information collected during routine care.
Utrecht, UtrechtAges 18 years+ - NCT07476703Recruiting
Extended study on the SCAPIS Stockholm reexamined group
This trial studies data and samples from people already taking part in the main SCAPIS reexamination study in Stockholm. It looks for new findings to help understand heart and lung health.
StockholmAges 56–74 - NCT07547098Recruiting
Heart, Kidney, and Metabolism Health Long-Term Study
This research study tracks patients with heart disease, kidney disease, or metabolic conditions (like diabetes) over time to understand how these conditions connect and affect long-term health. By collecting medical records and health information, researchers aim to predict outcomes and improve care.
Fuzhou, FujianAges 18–80 - NCT03450512Recruiting
Study of bowel inflammation in adults with AML on intensive treatment
This study looks at how often a serious bowel problem (neutropenic enterocolitis) happens in adults with acute myeloid leukemia (AML) during intensive chemotherapy that lowers infection-fighting cells. The results may help doctors monitor and prevent complications during treatment.
AmiensAges 18 years+ - NCT06067295Recruiting
Long-term study of advanced prostate cancer
This study follows men with advanced prostate cancer that has spread to other parts of the body. It aims to learn more about how the disease and treatments affect patients over time, so doctors can improve care.
Los Angeles, CaliforniaAges 18 years+ - NCT06282315RecruitingPhase 3
Safety of a new deworming pill for children in Ghana and Kenya
This trial tests how safe and effective a combined albendazole and ivermectin pill is for treating parasitic infections. It is for school-aged children in specific areas of Ghana and Kenya.
Accra, AccraAges 5–17 - NCT07295483Recruiting
Long COVID 4-Year Follow-Up Study
This study follows up with people who already took part in the BioICOPER study to see how long COVID symptoms and health evolve over 4 years. If you were in that earlier study, you may join this one to help researchers learn more about long-term recovery.
Salamanca, SalamancaAges 18 years+ - NCT01574053Recruiting
Global Huntington’s disease registry for gene carriers and controls
This study builds a global record of people who carry the Huntington’s (HD) gene change and people who do not. By comparing them over time, researchers hope to better understand how HD begins and progresses.
Birmingham, AlabamaAges 18 years+ - NCT07399210Recruiting
Detecting lung nodule cancer with a blood test
This study aims to see if a blood test can tell if a lung nodule is cancerous or not. It may help doctors avoid unnecessary procedures.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06898762Recruiting
National study on inflammatory heart disease for patients with symptoms
This study is creating a national registry to learn more about inflammatory myocardial disease (inflammation of the heart muscle). If you have symptoms like chest pain, shortness of breath, palpitations, or certain test results, you may be eligible to join and help advance research.
Murcia, MurciaAges 18 years+ - NCT06846762Recruiting
DNA/RNA co-testing for advanced lung cancer that has stopped responding to first treatment
This study is for people with advanced non-small cell lung cancer whose tumors do not have certain genetic changes (called driver mutations) and whose first treatment did not work well or caused bad side effects within 6 months. The researchers want to use a special test (DNA/RNA-NGS) to look for hidden genetic alterations that might explain why the cancer didn't respond.
Shanghai, Shanghai MunicipalityAges Any age - NCT05906316Recruiting
Study of new treatment plan for MAC lung infection
This study follows people with a newly diagnosed MAC lung infection (a specific type of mycobacterial disease) and tests how they do on the standard three-drug treatment plan. It may help researchers better understand outcomes and safety for this condition.
Portland, OregonAges 18 years+ - NCT07181317Recruiting
Long-term study of young women after heart attack
This study continues to follow young women who had a heart attack to learn more about their long-term health. You can join if you already took part in the earlier WAMIF study.
ParisAges 18–60 - NCT07546682Recruiting
Propel Sinus Implant Study in Japan
This study tests a steroid-releasing implant placed during sinus surgery to help prevent inflammation and improve healing in patients with chronic sinus infections. If you're having sinus surgery in Japan, this trial may track how well the implant works for you.
AsahikawaAges 18 years+ - NCT06454344Recruiting
Sleep and childhood experiences study in young adults
This study looks at how sleep is affected by tough childhood experiences. It tests whether changing sleep patterns can help young adults who have had these experiences and currently have poor sleep.
Iowa City, IowaAges 18–29 - NCT07178925Recruiting
Long-term study of antiphospholipid syndrome
This trial follows patients with antiphospholipid syndrome over time to learn more about the condition. It may help researchers understand how the disease progresses and how to better manage it.
RouenAges 18–75 - NCT06774053Recruiting
The SPECTRA study for transgender and gender diverse people
This study follows transgender and gender diverse people of all ages 16 and older to learn more about their health and well-being over time. It is for those who have a diagnosis of gender incongruence and are either starting, continuing, or have stopped gender affirming therapy.
BaselAges 16 years+ - NCT07672522Recruiting
Infections and the aging immune system in older adults
This study is looking at how infections and the aging immune system affect older adults. It compares people with an infection to healthy volunteers to understand how the body fights germs as we age.
Shanghai, Shanghai MunicipalityAges 60 years+
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Common questions
- Are there clinical trials for cohort studies?
- Yes. Clin2 currently lists 569 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.