Clinical trials
Survey and Questionnaire clinical trials
Below are recruiting survey and questionnaire clinical trials, each written for real people, not researchers. We’re tracking 57 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06696534Recruiting
Patient views on colorectal cancer screening methods
This study asks people aged 50–69 about their experience and preferences with different screening methods for colorectal cancer. It aims to improve screening programs by understanding what patients prefer.
LisbonAges 50–69 - NCT06581770Recruiting
Turkish Digital Health Readiness Questionnaire Study
This study tests a Turkish version of a questionnaire about how ready people are to use digital health tools. It is for Turkish-speaking adults with chronic conditions like obesity, diabetes, heart disease, or lung disease.
Istanbul, IstanbulAges 18 years+ - NCT07326501Enrolling by invitation
Survey on AI use in medical research publishing
This study is a survey for lead researchers to share their views on using artificial intelligence in writing and reviewing scientific papers. It is not a treatment trial and does not involve any medical tests or procedures.
Nice, Alpes MaritimesAges Any age - NCT06703632Recruiting
Testing a new stool test for early colon cancer detection
This study is evaluating PreveCol, a new second-line stool test for people aged 50–69 who had a positive FIT/FOBT result and are already scheduled for a colonoscopy. It aims to find out if this test can help detect colorectal cancer earlier.
Lisbon, Lisbon DistrictAges 50–69 - NCT05922007Recruiting
Study of chronic pain effects on daily life
This study looks at how long-lasting pain and its treatment affect quality of life and physical activity. It asks people to complete questionnaires to understand what changes over time.
Ostrava, Moravian-Silesian RegionAges 18–65 - NCT07536685Enrolling by invitation
Turkish Body Awareness Questionnaire Study
This study tests a Turkish-language questionnaire that measures how aware people are of their body's position and sensations. Researchers are recruiting people with brain, nerve, or muscle problems to help develop and validate this assessment tool.
Kütahya, KütahyaAges 18 years+ - NCT07604493Recruiting
Italian Doctors' Survey on Oral Health and General Wellness
This study asks Italian general practitioners (family doctors) about their views on how oral health—like teeth and gum health—affects overall body health. Your answers help researchers understand what doctors know and think about the connection between mouth and systemic diseases.
Roma, RMAges 18 years+ - NCT07140549Enrolling by invitation
Fertility preservation after childhood cancer treatment
This study surveys adults who had fertility preservation counseling and testicular tissue freezing before gonadotoxic treatment as children. It aims to learn about their experiences and long-term outcomes.
BrusselsAges 18 years+ - NCT07155083Recruiting
Firearm safety survey for parents of children having surgery
This survey asks parents about firearm safety. It is for parents or legal guardians of children having surgery or a procedure at the hospital.
Columbus, OhioAges Any age - NCT06903780Recruiting
Survey on biologic treatments for severe asthma
This study surveys patients who have been on a biologic treatment for severe asthma for at least 6 months but not longer than 18 months. It aims to understand their experience, including those who did not respond well to the treatment.
Exeter, DevonAges 18 years+ - NCT07828509Enrolling by invitation
Study on long-term problems with metal-ceramic crowns
This study looks at metal-ceramic crowns (tooth caps made with a metal base and ceramic coating) to see what problems might happen years after they are placed. If you have such a crown, you might be asked to have a check-up and fill out a questionnaire.
RigaAges 20–80 - NCT07730307Recruiting
Study on sharing suicidal thoughts and getting support
This study looks at how people share their experiences with suicidal thoughts or severe depression and what happens when they seek support. It aims to help understand the risks and benefits of talking about these struggles.
Mpunde, Buyende DistrictAges 18 years+ - NCT05776082Recruiting
Study how healthy pregnancy heart risk affects outcomes
This study looks at how cardiovascular (heart and blood vessel) health during pregnancy is linked to pregnancy outcomes. It may help doctors better predict and improve outcomes by using information from routine prenatal care.
Hangzhou, ZhejiangAges 20–49 - NCT03335644Recruiting
Internet-based health study for people 15 and older
This study gathers health information through an online program. It may help researchers understand how diet and lifestyle affect health over time.
Bobigny, Seine Saint DenisAges 15 years+ - NCT06223217Recruiting
New quality-of-life survey for leg artery disease patients
This study tests a new questionnaire (modified VascuQol) to measure how leg artery disease affects your daily life. It aims to create a better tool for doctors to track your symptoms and well-being.
Shanghai, Shanghai MunicipalityAges 18–90 - NCT07736872Recruiting
Sleep apnea screening in diverse groups
This study is screening people from different backgrounds for obstructive sleep apnea (a condition where breathing stops and starts during sleep). It uses a sleep test and questionnaires to see if you might have it.
Guangzhou, GuangdongAges 18–80 - NCT07110324Recruiting
Understanding long-term pain after hip or knee replacement
This study looks at people who still have moderate to severe pain months after a hip or knee replacement. The goal is to learn more about what causes this pain and how it feels, which could help improve future treatments.
Østerbro, København ØAges 18 years+ - NCT07094061Recruiting
Brain response to reward cues in young adults
This study looks at how the brain reacts to cues that signal rewards in young adults ages 18 to 22. Participants will do computer tasks and have an MRI scan to understand differences in how people respond to reward-related signals.
Ann Arbor, MichiganAges 18–22 - NCT06998550Recruiting
Patient experiences after pulmonary rehab in Türkiye
This study asks people who have finished a pulmonary rehab program (a supervised exercise and education program for lung conditions) to share their experiences. Your answers will help improve how rehab teams work in Türkiye.
Istanbul, ÜsküdarAges 18–80 - NCT06715397Enrolling by invitation
Turkish questionnaire for arm, shoulder, or hand injury patients
This study is testing a Turkish version of a questionnaire that measures how well people with arm, shoulder, or hand injuries can do daily activities. If you join, you will fill out the questionnaire to help make sure it works well for Turkish-speaking patients.
Yenişehir, MersinAges 18 years+ - NCT05702645Recruiting
Down syndrome long-term study after leukemia treatment
This study follows children and young adults with Down syndrome who have survived acute leukemia (ALL or AML) to learn about their longer-term health after treatment ends. It may help families and doctors understand what health problems to watch for and how to provide better follow-up care.
Birmingham, AlabamaAges 6–39 - NCT05616130Recruiting
Study of abnormal blood immune activation after trauma or elective hip surgery
This study looks at how the body’s blood-related immune system “switches on” in unusual ways after a major injury or elective hip repair. The researchers hope this helps them understand who is at risk for complications and why, by measuring changes in your blood around the time of surgery or hospital treatment.
Gainesville, FloridaAges 18–100 - NCT04751396Recruiting
Melanoma education for people with autoimmune conditions
This trial tests an educational tool to help people with melanoma and pre-existing autoimmune disease understand immune checkpoint inhibitor treatment. It aims to support you and your care team with information that can help you make decisions and feel more prepared.
Houston, TexasAges 18 years+ - NCT04595422Recruiting
Train quitline staff to reach smokers about lung screening
This trial tests an educational approach delivered through tobacco quitlines to encourage eligible smokers to learn about lung cancer screening. It may help people who have a heavy smoking history get the right information and next steps.
Houston, TexasAges 18 years+
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Common questions
- Are there clinical trials for survey and questionnaire?
- Yes. Clin2 currently lists 57 recruiting survey and questionnaire 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 survey and questionnaire 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 survey and questionnaire 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.