Clinical trials
Data Collection clinical trials
Below are recruiting data collection clinical trials, each written for real people, not researchers. We’re tracking 338 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT02829684Recruiting
Register for people with Prader-Willi syndrome
This is a patient registry that collects information about people with Prader-Willi syndrome. It may help researchers better understand the condition and plan future studies.
ToulouseAges Any age - NCT02869477Recruiting
Cardia cancer database study
This study collects and stores medical information from people with cardia cancer. The goal is to better understand care and outcomes over time, which may help improve future treatment planning.
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 - NCT02884362Recruiting
Prospective melanoma registry study in France
This study builds a future-looking database of people with melanoma in France. It collects information from consenting adults, which may help researchers better understand melanoma over time.
ToulouseAges 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 - 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+ - 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 - NCT02869529Recruiting
Chronic lymphatic leukemia patient database study
This study collects information from people diagnosed with chronic lymphatic leukemia. It may help doctors better understand the disease, track patient needs, and improve future care.
Marseille, Bouches-du RhôneAges 18–95 - NCT02622581Recruiting
Lung cancer testing and treatment outcomes research study platform
This study collects information from adults with different types and stages of lung cancer to connect molecular test results with treatment choices and outcomes. It may help improve how lung cancer is diagnosed and managed by building a better understanding of what works for different patients.
OldenburgAges 18 years+ - 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 - NCT02869490Recruiting
Cervical cancer patient database
This trial is a registry (a database) that collects information from people diagnosed with cervical cancer. It may help researchers better understand cervical cancer and how patients do over time.
Marseille, Bouches du RhoneAges 18–95 - 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+ - 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 - 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 - 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+ - NCT07280091Recruiting
Skin and gut bacteria in Netherton syndrome
This study looks at the bacteria on the skin and in the gut of people with Netherton syndrome, a condition that affects the skin barrier and often causes allergies. It also compares these findings to healthy volunteers to understand how the microbiome might be different.
Paris, Île-de-France RegionAges 10 years+ - 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 - 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 - NCT07409584Recruiting
Mental health and suicide risk in glioblastoma patients
This study looks at the mental health and thoughts of suicide in people with glioblastoma. It aims to understand these issues better so that patients can get the right support.
BerlinAges 18 years+ - NCT07418359Recruiting
Comparing physical activity of patients and their doctors
This study looks at whether your physical activity level is related to your doctor's activity level. It will help understand if doctors who are active encourage their patients to be more active too.
Reims, Champagne-ArdenneAges 18 years+ - NCT07418385Recruiting
Voluntary HIV testing for adults in France
This study offers free, voluntary HIV testing to anyone in France who is 18 or older. It aims to make HIV screening easy and accessible, regardless of your sexual history or past testing.
ReimsAges 18 years+ - NCT07439991Recruiting
Study of blood clot risks after lung cancer surgery
This study looks at why some people develop blood clots after lung cancer surgery. By tracking your recovery for 30 days, researchers hope to find better ways to predict and prevent clots in the future.
Changchun, JilinAges 18 years+ - NCT07546695Recruiting
Axillary lymph node surgery choices for HER2+ and triple-negative breast cancer
This study examines the best surgical approach for removing underarm lymph nodes in patients with HER2-positive or triple-negative breast cancer who have received chemotherapy before surgery and still have cancer in their lymph nodes. The goal is to understand whether removing more lymph nodes improves outcomes for these patients.
BaselAges Any age - NCT07585578Recruiting
Understanding Recovery Problems After Intensive Care
This study looks at patients who spent at least 2 days in the ICU (intensive care unit) to understand the physical, mental, and emotional challenges they face during recovery. Researchers will ask you questions about your health and function to identify what kind of support might help you feel better.
Huaibei, AnhuiAges 18 years+
Hear when a new Data Collection 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 data collection?
- Yes. Clin2 currently lists 338 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.