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
- NCT02869581Recruiting
Pancreatic tumor patient registry
This study builds a database of people diagnosed with pancreatic tumors. It may help researchers better understand these cancers by collecting medical information over time.
Marseille, Bouches du RhoneAges 18 years+ - NCT02869607Recruiting
Breast cancer database for people with breast cancer
This study collects information from people diagnosed with breast cancer to help researchers understand outcomes and treatment patterns. You may or may not receive a new treatment—often it’s about using existing clinical data.
Marseille, Bouches du RhoneAges 18 years+ - NCT02869620Recruiting
Thyroid cancer patient database study
This study collects information from people who have been diagnosed with thyroid cancer. It helps researchers understand thyroid cancer and may support future research or treatments.
Marseille, Bouches-du RhôneAges 18–95 - NCT02871336Recruiting
Pancreatic cancer surgery patient database study
This study collects information from adults who have surgery for pancreatic cancer. It may help researchers better understand outcomes and improve future care.
Marseille, Bouches du RhoneAges 18 years+ - NCT02869503Recruiting
Colorectal cancer registry study
This study builds a database of people with colorectal cancer. It may help doctors learn from real-world information to improve future care.
Marseille, Bouches du RhoneAges 18–95 - NCT02869568Recruiting
Ovarian cancer database for patient information
This study collects and organizes information from people who have ovarian cancer. It may help researchers better understand ovarian cancer and how patients are treated.
Marseille, Bouches-du RhôneAges 18–95 - NCT02869594Recruiting
Prostate cancer database study
This study collects information from people with prostate cancer to build a database. Researchers use it to better understand prostate cancer and support future research.
Marseille, Bouches-du RhôneAges 18–95 - NCT02869516Recruiting
Acute leukemia patient database study
This study enrolls people who have been diagnosed with acute leukemia and collects health information in a database. It may help doctors better understand care outcomes and improve future treatment planning.
Marseille, Bouches-du RhôneAges 18 years+ - NCT02869555Recruiting
Study of people with multiple myeloma in a patient database
This is a study that collects information from people diagnosed with multiple myeloma. It may help researchers understand the disease and improve future care by using past and ongoing patient data.
Marseille, Bouches-du RhôneAges 18–95 - NCT02869542Recruiting
Lymphoma registry to support future research
This trial is a lymphoma database (a way to collect and store health information). It helps researchers study people with Hodgkin or non-Hodgkin lymphoma to better understand outcomes and possibly improve future care.
Marseille, Bouches-du RhôneAges 18–95 - NCT03686137Recruiting
Liver surgery database study for liver tumors
This study collects information from people having liver surgery for a non-cancerous tumor or for liver cancer (primary or cancer that spread to the liver). It doesn’t usually add treatment—your care is documented to help doctors learn and improve future decisions.
Marseille, Bouches Du RhoneAges 18 years+ - NCT02332785Recruiting
Study for people with serrated colon polyps
This study follows people who have serrated polyps in the colon to learn more about these growths. It may help doctors better understand what they are and how to manage them.
Houston, TexasAges Any age - NCT01195558Recruiting
Registry survey for people who are blind and have sleep problems
This study is a registry survey that collects information about sleep problems and daytime sleepiness. It may help researchers better understand sleep issues in people who are blind and plan future studies or treatments.
Washington D.C., District of ColumbiaAges Any age - NCT05571774Recruiting
Building a database for severe ADAMTS13 deficiency
This trial is creating a research database for people with severe ADAMTS13 deficiency, a condition where the body has very low activity of a key blood-protein. It may help researchers better understand the condition by collecting and organizing patient information.
Suzhou, JiangsuAges Any age - NCT05634928Recruiting
Database study for patients with blood clotting signs
This trial builds a database to study patterns in blood tests and blood smear findings that can suggest small blood clots in the body. Joining may help researchers learn how to recognize and track these changes over time.
Suzhou, JiangsuAges Any age - NCT05527067Recruiting
Study of alpha-synuclein brain disease in patients and healthy people
This study follows people with a primary alpha-synuclein diagnosis and compares them with healthy controls. It aims to better understand this condition and may help researchers design better future tests and treatments.
Fuzhou, FujianAges 30–80 - NCT04695028Recruiting
Study to better understand crystal-related joint pain
This study looks at people with certain types of crystal deposits in joints (like gout, CPPD, or hydroxyapatite crystal disease). It uses scans such as ultrasound and a special CT-type scan called DECT to confirm and better understand what’s causing your symptoms.
LommeAges 18 years+ - NCT05937828Recruiting
Caring for children with autoimmune blood disorders in France
This study follows children and teens who have certain autoimmune blood conditions to better understand their illness. It may help doctors learn how these conditions behave over time and improve care.
AmiensAges Up to 17 years - NCT05139589Recruiting
Collecting data from adults with heart valve infection
This study collects information about adults who are treated in Amsterdam UMC for infective endocarditis (a serious infection of the heart valves). The goal is to better understand this condition—especially for people undergoing heart valve surgery—by comparing them to similar surgery patients who do not have an infection.
Amsterdam, North HollandAges 18 years+ - NCT05982691Recruiting
Asian data collection for CNS germ cell tumors
This trial is creating a consortium to collect data from Asian patients with CNS germ cell tumors. It helps researchers understand these tumors better and may lead to better treatments.
Goyang-si, Gyeonggi-doAges Any age - NCT05985213Recruiting
Brain blood vessel disease study at Yueyang Hospital
This study follows people with small vessel brain disease to understand how it changes over time. You may join if you've had an MRI showing this type of brain change and are able to take care of yourself daily.
ShanghaiAges 18–80 - NCT05539014Recruiting
Study of newly diagnosed tuberculosis patients at Avicenne Hospital
This study follows people who are newly treated for tuberculosis, including lung and non-lung (extra-lung) cases. It may help doctors better understand tuberculosis and how patients respond after treatment starts.
BobignyAges 18–80 - NCT07855029Recruiting
Quality of life after hepatitis B treatment outcomes
This study looks at how different outcomes of chronic hepatitis B treatment affect patients' quality of life. It includes people who have been functionally cured, those still on treatment, those who relapsed, and healthy controls to compare.
GuangzhouAges 18–65 - NCT06213402Recruiting
European registry for rare anemia disorders
This study is creating a European registry (database) to collect information about people with rare anemia disorders. By joining, you help researchers better understand these conditions and improve care for yourself and others.
Barcelona, CataloniaAges birth–100 years
Hear when a new Data Collection trial opens
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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.