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
- NCT05714319Recruiting
Testing acetylcholine during heart artery checks for INOCA/MINOCA
This trial studies what acetylcholine testing during a coronary angiogram (CAG) can show in people with INOCA or MINOCA. It may help doctors better understand certain “spasm” or blood-vessel function problems that can cause chest pain or heart-attack-like symptoms without a blocked artery.
RomeAges 18 years+ - NCT05820919Recruiting
Improve sleep in nursing home residents with dementia
This study aims to improve sleep quality for people in nursing homes who have Alzheimer’s disease or related dementia and are having sleep problems. It uses a sleep-focused approach through staff “sleep huddles” and checks sleep patterns to see what helps.
Lakewood, ColoradoAges 50 years+ - NCT03154697Recruiting
Study for parents of children with Smith-Magenis syndrome and sleep issues
This study builds a database about people with Smith-Magenis syndrome and their sleep problems. It wants information from the child’s parent or legal guardian to better understand sleep disturbances.
Washington D.C., District of ColumbiaAges 3–65 - NCT06362083Recruiting
Urethral stricture surgery database study
This study collects information from patients who have had surgery for a urethral stricture, which is a narrowing in the tube that carries urine out of the body. Being part of this study helps doctors learn more about different surgical treatments and their outcomes.
Graz, StyriaAges 18 years+ - NCT01600378Recruiting
A study to collect health data in lung disease
This study follows adults who have suspected diffuse lung disease (abnormal changes in multiple areas of the lungs) and collects health information over time. It may help doctors better understand these lung conditions and how they progress.
SingaporeAges 21–90 - NCT05653102Recruiting
Collecting data on a knee replacement system after surgery
This study collects real-world health and surgery records to better understand how the Truliant total knee replacement performs. It may help doctors and patients by improving future guidance on this knee system’s safety and effectiveness.
Aurora, ColoradoAges 18 years+ - NCT07796230Recruiting
Testing a new eye camera for people with retinal conditions
This study is testing a new camera system to take pictures of the inside of the eye (the back part where the retina is). It is for people who have eye diseases like age-related macular degeneration, glaucoma, or diabetic retinopathy. The goal is to see how well the camera works in real-world conditions.
Louisville, KentuckyAges 22 years+ - NCT07788352Recruiting
Telework and shopping habits study
This study looks at how working from home (telework) affects the way people shop and make buying decisions. By joining, you'll help researchers understand these changes, which could lead to better support for remote workers.
ReimsAges 18–65 - NCT06553586Recruiting
Understanding road traffic accidents in Riyadh (2019–2023)
This study looks at people injured in road traffic accidents who came to the emergency room or were admitted to a hospital in the Riyadh region from 2019 to 2023. It will help doctors and officials understand these accidents better.
AsyutAges Any age - NCT06541327Recruiting
Cell therapy for returning lymphoma study
This study collects data from adults with lymphoma that has come back or not improved after treatment, who have received or are receiving special cell therapies. The goal is to learn more about how these treatments work in real life.
ShanghaiAges 18 years+ - NCT07773818Recruiting
Improving early triple-negative breast cancer prediction
This study is part of a larger project collecting detailed genetic and other biological data from people with triple-negative breast cancer. The goal is to build better models to predict how the disease will progress and respond to treatment.
Beijing, Beijing MunicipalityAges 18–75 - NCT04781920Recruiting
Follow-up after ACL ligament surgery
This study is checking how people are doing after anterior cruciate ligament (ACL) reconstruction (a surgery to repair a knee ligament). It may help researchers understand recovery and long-term outcomes after ACL surgery.
Saint-EtienneAges 18 years+ - NCT04846712Recruiting
Ultrasound to check how severe a new ankle sprain is
This trial studies whether an ultrasound scan can help doctors judge how severe a first-time ankle sprain is. It may help guide treatment and follow-up for people whose sprain affects work or sports.
Saint-EtienneAges 18–60 - NCT07749989Recruiting
Review of patients with gastroesophageal reflux disease
This study looks at patients who came to Beijing Friendship Hospital with stomach acid issues (GERD). Researchers want to understand how treatments like medications or anti-reflux surgery work over time. By joining, you help them improve care for others with the same condition.
Beijing, Beijing MunicipalityAges 18–90 - NCT07749963Recruiting
Testing wearable watch and pillow devices for blood pressure monitoring
This study tests two wearable devices—a watch and a pillow—that measure blood pressure and other health signals. It aims to see how well they work compared to standard hospital equipment. If the devices are accurate, they could make daily blood pressure tracking easier and more comfortable.
Louisville, ColoradoAges 50–80 - NCT07747688Recruiting
Early gastric cancer treatment outcomes study
This study looks at people with early-stage stomach cancer to learn more about how different treatments work. It uses information from patients who were treated at a specific hospital, which may help doctors better understand the best ways to treat this condition.
BeijingAges 18–90 - NCT07743476Recruiting
Bone marrow imaging study for cancer and blood disorders
This study looks at MRI scans of the bone marrow to better understand various cancers and blood disorders. It may help improve how these conditions are diagnosed and treated.
Houston, TexasAges Any age - NCT05773651Recruiting
Study for rare solid tumors in children and teens
This study collects information from children and teens with rare solid tumors to better understand these cancers and support future research. You (or your guardian) can join by giving consent, but it’s mainly for people not already registered in certain ongoing pediatric cancer study databases in Germany.
TübingenAges 1 day–18 years - NCT06627998Recruiting
Bone health study for thyroid cancer patients
This study checks how common bone problems are in people with thyroid cancer. It uses a chest x-ray done before surgery to look at the spine's shape.
MilanAges 18 years+ - NCT07731399Recruiting
Diabetes Study for Medicaid Members in South Carolina
This study collects blood samples and health information from people with type 2 diabetes and healthy controls to learn more about diabetes. It may help improve future care for diabetes.
Orangeburg, South CarolinaAges 40–70 - NCT07727694Recruiting
Access to new cancer drugs for children and young adults
This trial helps children, teens, and young adults with cancer get early access to promising new drugs that are not yet fully approved for their age group. It collects information on how these drugs work in real-world use.
AntwerpAges birth–25 years - NCT06607731Recruiting
Alcohol gel treatment for aggressive angiomas
This trial studies a treatment using a special gelled alcohol to shrink aggressive angiomas (abnormal blood vessel growths). It aims to see if the procedure is safe, feasible, and works well.
Saint-Priest-en-JarezAges 18 years+ - NCT04344912Recruiting
Study of COVID-19 effects on heart emergency care
This study looks at how the COVID-19 outbreak affected care for people admitted to the cardiac intensive care unit. It may help hospitals improve how they plan and respond during major outbreaks.
ParisAges 18 years+ - NCT07696286Recruiting
Alexithymia in chronic pain patients with a spinal cord stimulator
This study looks at a condition called alexithymia (difficulty identifying and describing emotions) in people who have chronic pain and a spinal cord stimulator. It aims to help doctors better understand how emotions affect pain treatment.
IstanbulAges 18 years+
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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.