Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,169 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06555107Recruiting
Pain before emergency surgery and long-term pain after
This study looks at whether pain you feel before emergency surgery affects long-term pain after the surgery. It may help doctors find ways to prevent chronic pain in patients who have emergency orthopedic (bone/joint) or abdominal (belly) surgery.
AmiensAges 18 years+ - NCT06555757Recruiting
Using AI and sound to predict heart failure worsening
This trial uses a smartphone app to record sounds from your chest and breathing. An AI system will analyze these sound patterns to predict when heart failure symptoms might get worse, so you can get help sooner.
Cambridge, CambridgeshireAges 18 years+ - NCT06573359Recruiting
Expanded rehab scale study for stroke survivors
This study aims to test a new scale that measures rehabilitation complexity for stroke patients. It could help doctors better plan your rehab.
Istanbul, BahçelievlerAges 2 months–6 months - NCT06575296RecruitingPhase 1
Revumenib after stem cell transplant for acute leukemia
This trial tests a drug called revumenib to help keep leukemia from coming back after a stem cell transplant. It is for people with specific genetic types of acute leukemia who have recently had or will soon have a transplant.
Duarte, CaliforniaAges 2 years+ - NCT06581666Recruiting
Survey on social egg freezing knowledge
This study asks people about what they know and think about social egg freezing (freezing eggs now to use later for having a baby). It is a survey, so no treatment or procedure is tested.
Hong KongAges 18–60 - NCT06582615Recruiting
MIND diet for better brain health during breast cancer treatment
This study tests whether a special diet (called the MIND diet) can help with thinking and memory in women being treated for triple negative breast cancer. Participants will receive nutrition coaching and support to see if it improves brain function.
New Haven, ConnecticutAges 40–65 - NCT06583408Recruiting
Very Early Estrogen and Ovulation Registry
This registry study is for people who have stopped getting periods due to a condition called functional hypothalamic amenorrhea, which may be linked to low estrogen and ovulation problems. Researchers want to track hormone patterns over time to better understand how the condition develops.
Jacksonville, FloridaAges 18–40 - NCT06587477Recruiting
Fertility in Men Who Had Cancer as Children
This study examines testicular function and semen quality in men who were treated for cancer before age 18 and are now in remission. It aims to understand how childhood cancer treatments affect long-term fertility.
Hong KongAges 18–50 - NCT06587724Recruiting
Testing a questionnaire for myositis
This study is testing a new questionnaire called the BETY-BQ to see if it is a good tool for measuring how well people with myositis are doing—things like symptoms and function. The goal is to make it easier for doctors to track your progress over time.
Ankara, AltındağAges 18 years+ - NCT06588621Recruiting
Health of healthcare workers: a Paris hospital study
This trial studies the health of healthcare workers in training (residents) at seven Paris hospitals. It aims to evaluate their well-being through a short, anonymous survey.
Paris, IDFAges 18 years+ - NCT06588894Recruiting
Motor imagery and body awareness in type 2 diabetes
This study looks at how well people with type 2 diabetes can imagine movements, sense their body, and think clearly. It aims to understand how these abilities are affected by diabetes.
Kütahya, CentralAges 18–65 - NCT06588933Recruiting
Taste problems in advanced cancer: a study
This trial studies taste problems in people with advanced cancer. It aims to better understand these issues to help improve care.
DublinAges 18 years+ - NCT06591702Recruiting
Testing a quality-of-life questionnaire for kidney disease
This study tests a questionnaire (BETY-BQ) to see how well it measures quality of life in people with kidney disease, on dialysis, or after a kidney transplant. It will help doctors better understand your symptoms and daily life.
Ankara, AltındağAges 18 years+ - NCT07690579Recruiting
Prostate cancer disparities study
This study looks at how social, lifestyle, and other factors affect prostate cancer outcomes. It enrolls men who have chosen to have their prostate removed (radical prostatectomy) and agreed to join a biobank.
San Francisco, CaliforniaAges 18 years+ - NCT07545837Recruiting
Wellness Coaching for Thyroid Cancer Survivors
This study tests whether personalized health coaching helps thyroid cancer survivors stick to their treatment plans and build healthier habits. You'll work with a coach to improve your overall wellness after thyroid cancer treatment.
Jacksonville, FloridaAges 18 years+ - NCT06601140Recruiting
Testing a smartphone app for tracking depression symptoms
This study tests a smartphone-based emotional monitoring device (EMOCARE) to see if it can accurately measure your mood compared to a standard depression questionnaire. It may help researchers find a simpler way to track depression symptoms.
AgenAges 18 years+ - NCT06601998Recruiting
Heart health after severe pneumonia
This study looks at how heart health changes in people who have recovered from severe pneumonia, including COVID-19. It compares survivors to healthy people and those with heart risk factors.
AlexandroupoliAges 18 years+ - NCT06606535Recruiting
Effects of hormone therapy on thinking skills in breast cancer
This study examines how certain hormone-lowering drugs (aromatase inhibitors) used after breast cancer treatment may affect memory, thinking, and concentration. It may help patients understand potential side effects on cognitive function.
Genova, GEAges 18 years+ - NCT06608849Recruiting
Long-term health effects after COVID-19
This study looks at how COVID-19 may affect the lungs, heart, and kidneys in the months or years after the infection. It compares three groups: people who never had COVID, people who had COVID but recovered without organ problems, and people who had organ problems during COVID. The goal is to understand what long-term complications might arise.
AthensAges 18 years+ - NCT06609057Recruiting
Cooking for Your Health: a bilingual nutrition study in New Mexico
This research study tests an 8-week cooking and nutrition program that is taught in both English and Spanish. It aims to help adults in southern New Mexico improve their eating habits and health.
Las Cruces, New MexicoAges 18 years+ - NCT06613334Recruiting
Voice recordings to predict schizophrenia relapse
This study tests whether voice recordings can help predict when someone with schizophrenia might have a relapse. It is for people who are stable now and take certain medications.
Paris, ParisAges 18–60 - NCT06616363Recruiting
Brain and nerve connection in POTS and after infection
This study looks at why some people develop POTS (a condition that causes a fast heart rate and dizziness when standing) and if it's linked to how the brain and vagus nerve work together. It also includes people recovering from a serious infection and healthy volunteers for comparison.
Richmond, VirginiaAges 12–21 - NCT06620601Recruiting
Digital technology for sleep and homelessness
This study explores how digital tools can help improve sleep for people living in shelters. It aims to test whether wearable devices or apps can support better sleep habits and health.
Toronto, OntarioAges 18 years+ - NCT06622733Recruiting
Attitudes toward having a planned C-section
This study asks pregnant women about their feelings and preferences regarding having a planned C-section (called "CS on demand") rather than waiting for labor. It aims to understand what women think and why.
SohagAges 18–45
Hear when a new Questionnaire 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 questionnaire?
- Yes. Clin2 currently lists 1,169 recruiting 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 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 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.