Clinical trials
Data Collection clinical trials
Below are recruiting data collection clinical trials, each written for real people, not researchers. We’re tracking 328 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03562741Recruiting
Tracking outcomes of fecal transplant for repeated C. difficile
This study looks at how fecal microbiota transplantation (a transplant of healthy gut bacteria) works for people who get C. difficile infection repeatedly. It also focuses on collecting follow-up information to better understand which patients benefit and how.
Worcester, MassachusettsAges 16 years+ - NCT03404778Enrolling by invitation
Collecting data on reverse shoulder implants for weak rotator cuff
This study collects real-world information about a reverse shoulder implant used when the rotator cuff is badly damaged. It may help improve how these implants are chosen and how well they work for pain relief and improving arm function.
Towson, MarylandAges 18 years+ - NCT02622581Recruiting
Lung cancer research registry for treatment and outcomes
This study collects information from people with lung cancer to understand how different treatments work and what outcomes they have. It includes patients with non-small cell lung cancer (NSCLC) or small cell lung cancer (SCLC) at various stages.
OldenburgAges 18 years+ - NCT02070146Recruiting
Collecting long-term data from people with bowel or anal cancer
This study collects information over time from adults with colorectal, small bowel, or anal cancer. It’s an observational project, meaning it doesn’t test a new drug on you, but your data may help improve care for others and future patients.
's-HertogenboschAges 18 years+ - NCT00991094Recruiting
Study follow-up after proton radiation treatment
This study collects information about both short-term and long-term side effects in people who receive proton radiation. It may help doctors better understand what happens to normal tissues over time and improve follow-up care.
Houston, TexasAges 18 years+ - NCT00923065Enrolling by invitation
NCI care and data study for patients and donors
This study helps collect information and provide certain clinical care and interventions for people who come to the National Cancer Institute (NCI) Clinical Center (CCR). It may be a fit if you need NCI-level evaluation or support because your condition is complex, or if you’re involved as a cellular therapy donor or certain family members needing genetic testing.
Bethesda, MarylandAges 4 weeks–120 years - NCT02478892Recruiting
Screening study for pancreatic cancer in inherited gene risk
This trial tests ways to screen people who have a family-passed (inherited) gene mutation linked to higher pancreatic cancer risk. The goal is to find pancreatic cancer earlier and improve how screening is done for people at increased risk.
Philadelphia, PennsylvaniaAges 18 years+ - NCT05555693Recruiting
Brain chemistry study after surgery in older adults
This study looks at how brain “metabolomics” (small chemical signals in the brain/body) relate to thinking or mood problems that can happen after surgery in people age 65 and older. It may help doctors understand who is more likely to have these side effects after an operation.
Shanghai, Shanghai MunicipalityAges 65 years+ - NCT02438085Recruiting
Registry study of acute chest pain heart events in Ferrara
This study records information about heart problems that require hospital care, such as acute coronary syndromes. It helps researchers understand how these events happen in the Ferrara area and what care people receive.
Cona, FerraraAges 18 years+ - NCT06427317Recruiting
Antibiotic effectiveness study in infection patients
This study looks at how well beta-lactam antibiotics (a common type of antibiotic) work in people being treated for infections at Imperial College NHS Trust. The information may help doctors make better dosing decisions.
LondonAges 18 years+ - NCT07751484Recruiting
Eye imaging study for adults with healthy eyes
This study collects normal eye images to help improve an eye imaging device. It is for people with healthy eyes or only minor age-related changes like cataracts.
San Diego, CaliforniaAges 22 years+ - NCT06463119Recruiting
Vaccine response registry for immune-weakened patients
This study creates a registry to track how people with weakened immune systems respond to vaccines. It helps doctors better understand which vaccines work best for patients like you.
GenevaAges Any age - NCT04880356Recruiting
Study of very rare inherited brain diseases over time
This study follows adults over time who have a very rare inherited brain disease, or whose illness seems like it may run in families. The goal is to better understand these conditions and how they progress.
Milan, MilanoAges 18 years+ - NCT07511829Recruiting
Wearable Devices to Track Health in Blood Cancer Patients
This study uses wearable technology (like smartwatches) to monitor your health and quality of life while you receive treatment for blood cancers like myeloma or myelodysplastic syndromes. The goal is to help doctors better understand how blood transfusions and other supportive care affect how you feel day-to-day.
Oxford, OXFORDSHIREAges 18 years+ - NCT07485686Enrolling by invitation
Studying urinary tract infections to improve treatment
This study collects medical data from people with urinary tract infections (UTIs) to help future research and improve how UTIs are treated. You may be eligible if you have symptoms of a UTI now or have had them in the past.
FrankfurtAges 18 years+ - NCT07390435Recruiting
Collecting social and economic data in CCTG cancer trials
This study looks at how well it works to collect information about patients' social and economic backgrounds during cancer clinical trials. If you are already in a CCTG trial or being screened for one, you may be asked to fill out a short questionnaire about things like your education, income, and housing.
Calgary, AlbertaAges 18 years+ - NCT07039734Recruiting
Ovarian reserve in Fragile X premutation carriers
This study looks at egg supply (ovarian reserve) in women who carry the Fragile X premutation. It aims to understand fertility potential better and help guide future family planning.
Paris, FranceAges 18–40 - NCT06989580Recruiting
Heart failure monitoring with a wireless implant
This trial is testing a special monitor (BIOMONITOR) that tracks your heart function and sends data wirelessly to your doctor. It aims to help manage heart failure by catching early signs of trouble so you can get treatment sooner.
GenkAges 18 years+ - NCT06903078Recruiting
Shingles and Dementia Risk Study
This study looks at whether the virus that causes shingles (herpes zoster) might increase the risk of dementia. Participants with a fresh shingles rash will give blood samples and attend several follow-up visits over one year.
Houston, TexasAges 18 years+ - NCT05055830Recruiting
Study blood drug levels in critically ill children
This trial measures how the study medicines move through the body and how they affect the child in the Pediatric Cardiac Intensive Care Unit. It may help doctors choose safer and better dosing for critically ill children.
Durham, North CarolinaAges birth–20 years - NCT05742321Recruiting
Study how corneal cell genetics relate to Fuchs’ disease
This study looks at how a person’s corneal cell genetic makeup relates to what happens in Fuchs’ corneal endothelial dystrophy. It may help doctors understand the disease better and guide future care, especially if you need a corneal transplant.
Saint-EtienneAges 18 years+ - NCT04806620Recruiting
Online app study for brain inflammation lifestyle data
This study uses a digital platform (app/website) to collect lifestyle and symptom information to better understand brain inflammation. You may qualify if you have certain conditions like Long COVID, migraines, autoimmune disease, inflammatory gut issues, mood disorders, or if you are a healthy comparison person.
Delafield, WisconsinAges 2 years+ - NCT00090662Recruiting
Healthy volunteer sample collection for research
This study collects blood, urine, stool, and other samples from healthy people to help researchers learn more about diseases and develop better treatments. If you join, you might donate samples like blood or, in some cases, bone marrow or skin, depending on your health and the study's needs.
Bethesda, MarylandAges 18–85 - NCT06391671Recruiting
Stress and Weight in Teens: A Personalized Nutrition Study
This study looks at how stress and weight are linked in teenagers. It uses a blood test to find patterns that could lead to personalized nutrition advice. If you join, you'll help researchers understand how your body handles stress and food.
Ghent, Oost-VlaanderenAges 11–17
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Common questions
- Are there clinical trials for data collection?
- Yes. Clin2 currently lists 328 recruiting data collection 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 data collection 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 data collection 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.