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
- NCT05247645Recruiting
Collecting data from people with rare bone diseases
This study gathers information about people with rare illnesses that mainly affect the bones. It may help researchers better understand these conditions and improve future care.
Bologna, Emilia-RomagnaAges Any age - NCT05266872Recruiting
Earlier diagnosis and better treatment study for Parkinson’s
This study is looking to improve how Parkinson’s and related brain conditions are identified and treated sooner. You may be asked to share your health information and provide blood or other samples, and possibly have procedures like a spinal fluid test or a small skin sample.
LuxembourgAges 18 years+ - NCT05282732Recruiting
Review of dialysis machine filter performance in 2019 patients
This study does a “chart review” of existing dialysis treatment records from 2019. It checks how specific dialysis filters and concentrate products performed and how treatment measurements changed over time.
HanoverAges 18 years+ - NCT05305430Recruiting
Synergy cervical disc data study after neck surgery
This study collects real-world information about people who get the Synergy cervical disc implant after neck surgery for nerve or spinal cord pressure. It may help doctors understand how well the implant works in everyday care and what outcomes to expect.
Windsor, VictoriaAges 21 years+ - NCT05312164Recruiting
Study collects heart procedure measurements for coronary artery disease
This study helps collect measurement data during a heart catheter procedure when coronary disease is suspected. You may be eligible if you’re having a catheter-based evaluation and doctors plan to assess blood flow to determine how severe a new heart blockage is.
Palo Alto, CaliforniaAges 18 years+ - NCT05333666Recruiting
Checking how blood NOAC levels relate to outcomes
This study looks at whether the amount of a blood thinner (NOAC) in your bloodstream is linked to health outcomes. It may help doctors better understand how to monitor and use these medicines safely.
Taipei, Please SelectAges 20 years+ - NCT05500859Recruiting
Registry for people in outpatient heart rehab programs
This study is a health registry that collects information about people taking part in outpatient (ambulatory) cardiac rehabilitation. It may help improve and organize future support, since your details can be used to understand outcomes and care needs.
BaselAges Any age - NCT05524922Recruiting
Sleep problems in people with memory or nerve diseases
This study looks at how sleep issues are related to neurodegenerative (nerve/memory) diseases. It will use sleep testing to see patterns that may help explain night-time symptoms like confusion or frequent waking.
Fuzhou, FujianAges 30–80 - NCT05533060Recruiting
Collecting brain injury data from people treated soon
This study collects medical and test information from people who have a confirmed brain injury (TBI) and arrive at the emergency room within 12 hours. Doctors hope the collected clinical and lab data will help better understand TBI and improve future care.
ShanghaiAges Any age - 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 - NCT05560958Recruiting
Heart procedure study for specific BIOTRONIK EP products
This study collects real-world follow-up information after certain heart procedures that use specific BIOTRONIK equipment. It may help confirm how well these devices work in everyday care and improve future recommendations.
FriedrichshafenAges 18 years+ - 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 - NCT05598879Recruiting
New heart-cancer visit registry for adults
This study is a “registry,” meaning it collects health information from adults who are getting a new heart (cardio) evaluation related to cancer. It helps doctors better understand heart risks and care needs for different cancer types and treatments.
Weston, FloridaAges 18 years+ - 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 - NCT05652439Recruiting
Assess heart and stroke events after starting triple COPD inhalers
This study looks at how often heart problems or stroke happen in people with COPD after they start a specific “triple therapy” inhaler. It may help doctors understand whether these inhalers change cardiovascular (heart) or cerebrovascular (stroke) risk.
LondonAges 40 years+ - 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+ - NCT05814237Recruiting
Study of new respiratory infections starting within 10 days
This is an observational study that follows adults who are newly sick with a respiratory infection that started within the past 10 days. It may help researchers understand what causes these infections and how patients do in emergency or hospital-care settings.
BrusselsAges 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+ - NCT05896397Recruiting
Collecting European data for Cook aortic medical devices
This study collects information from routine care about patients who receive a Cook CMD. It may help improve how these devices are used and tracked over time by using medical record data.
Aarhus, DenmarkAges Any age - 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 - NCT05955014Recruiting
Study collects data from people with von Hippel-Lindau disease
This study is for people with von Hippel-Lindau (vHL) disease to collect information for research. It may help researchers better understand the condition and how to care for people with it.
Houston, TexasAges 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 - NCT05984069Recruiting
Fatigue and frailty after ICU stay
This study looks at how feeling weak or frail after an ICU stay affects tiredness. It aims to find better ways to help people recover from serious illness.
Saint-EtienneAges 18 years+ - 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
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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.