Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,132 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05916287Recruiting
STANISLAS cohort follow-up visit for heart and kidney health
This study is a follow-up visit for people who joined the STANISLAS family health cohort. Researchers look at how genes and environment may affect heart and kidney (kidneys) health over time.
Vandœuvre-lès-Nancy, LorraineAges Any age - NCT06534307Recruiting
Long-term follow-up for children from PETN studies
This study checks on the health and development of children whose mothers took part in the PETN studies. It involves questionnaires and a physical exam for kids aged 5 and older.
Tübingen, Baden-WurttembergAges 6–18 - NCT06212219Recruiting
EEG brain training to help arm recovery after stroke
This study tests whether a brain-training technique called neurofeedback can improve arm movement in people who recently had a stroke. It uses an EEG cap to measure your brain activity while you do arm exercises, helping you relearn how to move your affected arm.
ToulouseAges 18–99 - NCT07844265Recruiting
Validating a short physical activity questionnaire
This trial tests a short questionnaire about how active you are at work and in your free time. It needs volunteers to check if the questionnaire provides accurate results.
Clermont-FerrandAges Any age - NCT05548946Recruiting
Study of personality patterns in adults age 65 and older
This study looks at personality patterns in older adults using information gathered from participants. It may help researchers better understand how these patterns show up later in life.
Tienen, Vlaams-BrabantAges 18 years+ - NCT03720197Recruiting
Registry for people living with type 1 diabetes
This is a registry that collects information from people living with type 1 diabetes. It may help researchers better understand the condition and improve future care.
Edmonton, AlbertaAges Any age - NCT06820983Recruiting
Quality of life study for DDB with OPEP device
This study looks at how a breathing device called OPEP affects the quality of life of people with DDB (a lung condition that causes widening and damage to the airways). If you or your child has DDB and doesn't already use an OPEP device, this trial may help understand if starting one improves daily life.
AmiensAges 8 years+ - NCT06694519Recruiting
Radiofrequency and exercise for pelvic floor issues after breast cancer
This trial tests whether radiofrequency therapy combined with exercise can help with pelvic floor problems like pain, urgency, or incontinence that some women have after breast cancer treatment.
Elche, Spain / ValenciaAges 18 years+ - NCT06312631Recruiting
Home glove helps stroke survivors use their arm
This study tests a home-use glove (SaeboGlove®) that may help people who had a stroke grip and hold objects with their hand. It looks at how using the glove affects arm function and what factors help people stick with the program.
ToulouseAges 18–90 - NCT04253964RecruitingPhase 2
Chemotherapy plus immunotherapy for advanced lung cancer
This study tests a combination of chemotherapy and immunotherapy in people with advanced non-small cell lung cancer that has spread or cannot be removed with surgery. The goal is to see how well this treatment works in patients with different levels of daily activity.
Charlotte, North CarolinaAges 18 years+ - NCT07789834Recruiting
Oral appliance therapy for sleep apnea study
This study looks at how well an oral appliance (a mouthguard) works for treating obstructive sleep apnea (OSA). It uses a questionnaire to track your progress and makes sure the treatment is helping you sleep better.
Henderson, NevadaAges 18 years+ - NCT07504913Recruiting
Quality of life survey for stomach cancer patients after surgery
This study tests a new questionnaire to measure quality of life in people who had surgery to remove stomach cancer. If you had surgery for stomach cancer between 1 month and 5 years ago and are cancer-free now, your answers can help improve care.
Badalona, BarcelonaAges 18 years+ - NCT07306689Recruiting
PTSD after ectopic pregnancy
This study looks at whether people who have had an ectopic pregnancy (a pregnancy outside the womb) might experience posttraumatic stress disorder (PTSD). It aims to understand emotional impacts and may help improve care.
KrakowAges 18–45 - NCT07306676Recruiting
PTSD after early miscarriage
This study looks at post-traumatic stress after a miscarriage that happens early in pregnancy (up to 14 weeks). It aims to understand how people feel emotionally and mentally after this experience.
Krakow, MalopolskaAges 18–45 - NCT07041450Recruiting
Screening for Alzheimer's treatment using digital tests and blood tests
This study is testing whether simple digital memory tests and blood tests can help find people who might qualify for anti-amyloid treatments (medications that target Alzheimer's-related proteins). It aims to make screening easier and faster, without needing a spinal tap or PET scan.
Greenfield Park, QuebecAges 55–90 - NCT06711952Recruiting
German study of a new memory questionnaire
This study tests a new questionnaire designed to help doctors better understand early memory or thinking problems. It takes place at a memory clinic in Munich and is for people who are already coming in for dementia testing.
München, BavariaAges 50 years+ - NCT06861608Recruiting
A single session to prevent eating disorders
This study tests a one-time online session designed to help prevent eating disorders. It is for people who have some symptoms but do not yet have a full eating disorder.
Richmond, VirginiaAges 18–22 - NCT06798233Recruiting
Hip pain questionnaire for caregivers of non-walking children
This study is creating a new questionnaire to help caregivers describe hip pain in children who cannot walk or speak. It aims to improve how doctors assess and treat hip pain in these children.
Pisa, ItalyAges 1–20 - NCT06789003Recruiting
Prehabilitation with exercise for multiple myeloma patients
This trial tests whether a prehabilitation program using adapted physical activity can help multiple myeloma patients prepare for a stem cell transplant. It may improve your strength and recovery before and after the transplant.
AvignonAges 18 years+ - NCT06424392Recruiting
How lung surgery for birth defects affects kids long-term
This study follows children born with a congenital lung malformation (a lung problem present at birth) to see how surgery to remove it affects their breathing and emotional well-being over time. Your child might be eligible if they are already part of a large French research program called MALFPULM.
ParisAges 6–9 - NCT03364803Recruiting
Sharing treatment results for people with Cushing’s syndrome
This is a study that collects and reviews information about how people with Cushing’s syndrome (including some mild forms and certain “silent” tumors) are diagnosed and treated, and what outcomes they have. It may help researchers understand which treatments work best in different types of the condition.
Basking Ridge, New JerseyAges 14 years+ - NCT06092281Recruiting
Can questionnaires improve follow-up after ESD?
This trial tests whether sending questionnaires and feedback helps patients keep up with their follow-up appointments after having a precancerous growth removed from the digestive tract (a procedure called ESD). It aims to see if this approach can make a difference in how well patients stick to their recommended check-ups.
Xi'an, ShaanxiAges 18–80 - NCT05461092RecruitingEarly Phase 1
Nerve blocks to improve pain control after spinal fusion
This early-stage study tests whether a regional nerve block can improve pain control and recovery for older adults having elective lumbar spinal fusion. If you qualify, you may receive a special pain-control injection during surgery to reduce opioid needs and improve recovery comfort.
Iowa City, IowaAges 65 years+ - NCT02087852Recruiting
Kidney cancer DNA registry for patients and family
This study collects DNA from adults with kidney cancer (or suspected kidney cancer), plus DNA from some family members and healthy controls. It helps researchers understand whether certain genetic changes might be linked to kidney cancer risk.
Basking Ridge, New JerseyAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,132 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.