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
- NCT06959420Recruiting
Vaccination during fever: healthcare workers and adults surveyed
This trial asks healthcare workers and adults about their views on getting vaccinated when they have a fever. It aims to understand what people think and do, to help improve vaccination practices.
Saint-EtienneAges 18 years+ - NCT07059286Enrolling by invitation
Pregnancy, Baby Brain Scans, and Child Development Study
This study looks at how a mother's health and experiences during pregnancy may affect her baby's brain growth and early development. You and your baby would have special MRI brain scans, fill out some questionnaires, and then your child's development would be followed until they are 6 years old.
Milan, MIAges 18 years+ - NCT06941324Recruiting
Therapy to help teens and young adults with cancer feel better
This study tests a short-term therapy called Solution-Focused Brief Therapy to help teens and young adults with cancer reduce emotional distress. It's designed for people who are currently in treatment or have finished treatment within the last 5 years.
Ann Arbor, MichiganAges 15–39 - NCT07124546Recruiting
Acceptance and commitment therapy for cancer distress
This trial tests a type of counseling called acceptance and commitment therapy (ACT) to help people with incurable cancer feel less distressed. It is done in a group over the internet, so you can join from home.
Rochester, MinnesotaAges 18 years+ - NCT05678907Recruiting
Test whether a depression questionnaire predicts relapse after discharge
This study checks whether your answers on a depression questionnaire can predict the chance of depression coming back after you leave the hospital. If it works, it may help doctors spot relapse risk earlier and plan follow-up care.
La Roche-BlancheAges 18 years+ - NCT06876714RecruitingPhase 3
Shorter vs Longer HER2 Therapy for Breast Cancer with Complete Response
This trial compares 6 months versus 12 months of HER2-targeted therapy for people with HER2+ breast cancer who had a complete response after chemo and trastuzumab. The goal is to see if a shorter treatment is just as effective.
Phoenix, ArizonaAges 18 years+ - NCT07680270Enrolling by invitation
Measuring quality of life after heart procedures
This study measures how heart procedures affect quality of life for both patients and their caregivers, using simple questionnaires.
Clermont-FerrandAges Any age - NCT05877014RecruitingPhase 3
Compare two fixation methods for adult arm shaft fractures
This trial tests whether one surgical technique (for stabilizing the upper-arm bone using a rod placed inside the bone) works better than another for adult humeral shaft fractures. It may help find the approach that leads to better healing and recovery.
DijonAges 18 years+ - NCT06875882Recruiting
Stress study for surgeons and musicians
This study looks at stress in surgeons and musicians using wearable brain sensors, body samples, and questionnaires. It aims to understand how stress affects performance and well-being.
Houston, TexasAges 18 years+ - NCT05502770Recruiting
Study IVF children from different frozen embryo preparation methods
This study looks at children who were born after frozen embryo transfer (IVF/ICSI) using different ways to prepare the uterus. It compares outcomes across the natural cycle, modified natural cycle, and artificial cycle methods, and needs parent agreement to join.
Ho Chi Minh CityAges 6 months–1.5 years - NCT06654284Enrolling by invitation
Quality of life after ICD implant or battery change
This study looks at how people feel and live their daily lives after getting an ICD or having the battery changed. Researchers want to understand your quality of life over time.
LeuvenAges 18 years+ - NCT06799663Recruiting
Smartphone use and its effects on kids' posture and fitness
This study looks at how smartphone addiction affects posture, fitness, and intelligence in children and teens aged 9 to 18. It aims to understand the physical and mental impacts of heavy phone use.
KafrelsheikhAges 9–18 - NCT05077735RecruitingPhase 2
Split-course radiation for diffuse midline glioma
This trial tests a new way of giving radiation therapy for a type of brain tumor called diffuse midline glioma. It aims to see if splitting the radiation into smaller courses can help while reducing side effects.
Phoenix, ArizonaAges 1 year+ - NCT05910294Recruiting
Preventing and improving sexual health in early breast cancer
This study looks at ways to prevent and treat sexual discomfort in people with hormone-receptor positive breast cancer. It targets women who are not having current vaginal dryness or pain related to lower estrogen, and may help protect sexual comfort during cancer-related hormone treatment.
Basking Ridge, New JerseyAges 18 years+ - NCT06701955Recruiting
Reliability of a Fluctuation Scale in Parkinson's
This study tests how consistently a new scale measures 'on-off' fluctuations in Parkinson's disease. If you experience motor fluctuations (times when your symptoms change) and are on stable medication, you may help validate this tool.
GrenobleAges 30–75 - NCT05929768RecruitingPhase 3
Shorter chemo plus immunotherapy without anthracyclines for early TNBC
This Phase 3 trial tests whether a shorter course of chemotherapy plus immunotherapy can work as well as standard treatment for early-stage triple-negative breast cancer. It avoids anthracycline drugs and may help reduce exposure to those medicines if the shorter plan is effective and safe.
Birmingham, AlabamaAges 18 years+ - NCT07349927Recruiting
Parent training on toxins and baby's health
This study tests whether teaching parents about endocrine disruptors (chemicals that can affect hormones) can reduce the levels of these chemicals in newborns' urine. It aims to see if parent education can help protect babies from harmful substances.
BronAges birth–5 days - NCT07735078Recruiting
Smart balance and thinking exercise for older adults
This study tests a smart digital tool that combines balance and thinking exercises to help older adults stay steady and prevent falls. If you are 55+ and can walk a short distance, you may be able to join.
Taipei, TaipeiAges 55 years+ - NCT06573450Recruiting
Breath test study for allergic rhinitis and asthma
This study is looking at certain substances in your breath to better understand allergic rhinitis, asthma, and the combination of both (CARAS). It could help doctors find new ways to diagnose or treat these conditions.
Henan, ZhengzhouAges 18–80 - NCT06316245Recruiting
Recovery after major gastrointestinal surgery
This study looks at how well you recover after major or intermediate surgery on your stomach, intestines, colon, or rectum. It measures your ability to do daily activities and how many days you spend at home (instead of the hospital) in the first 30 days after surgery.
Istanbul, FatihAges 18 years+ - NCT06524973Recruiting
Telehealth coaching for pancreatic cancer survivors and caregivers
This study tests if telehealth coaching sessions with a nurse can help people with metastatic pancreatic cancer and their family caregivers feel better and manage daily life. You and your caregiver will be coached together online to improve your quality of life.
Arcadia, CaliforniaAges 18 years+ - NCT06500377Recruiting
Comparing meditation types for relaxation in cancer survivors
This study compares four different meditation practices to see which one helps cancer survivors relax best. If you are a cancer survivor who has not had chemotherapy or radiation, you may be able to join.
Duarte, CaliforniaAges 18 years+ - NCT06018519Recruiting
Measuring outcomes for creatine transporter deficiency
This study aims to find the best ways to measure how creatine transporter deficiency (CTD) affects people. It includes both males and females with CTD, as well as healthy volunteers, to compare results and develop better tests.
BronAges 2–60 - NCT02282969Recruiting
Testing a lung cancer screening decision helper for eligible adults
This study tests a patient “decision aid” to help people decide about lung cancer screening. It may help you understand risks and benefits and feel more confident about next steps.
Galveston, TexasAges 55–80
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.