Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,134 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06268444Recruiting
Infant sleep & chemical exposure in the environment
This study looks at how common chemicals in our environment (like those from plastics or pollution) may affect babies' sleep. It's for very young infants who are still drinking only milk, to help understand any links between these chemicals and sleep patterns.
AmiensAges Up to 6 months - NCT07074756Recruiting
Home-based treatment support for people with glioma
This study tests a digital platform that helps you manage your glioma treatment at home. It aims to make it easier to follow your treatment plan and stay connected with your care team.
Jacksonville, FloridaAges 18 years+ - NCT07075653Recruiting
Barriers to vegetarian diets
This study explores the reasons why people may or may not follow a vegetarian diet. It may help researchers understand common barriers and find ways to support healthier eating.
Baltimore, MarylandAges 18–88 - NCT07071350RecruitingPhase 2/Phase 3
Optimizing heart rate for persistent concussion symptoms in military veterans
This trial tests a treatment designed to improve heart rate variability, which may help reduce long-term concussion symptoms like headaches, dizziness, and trouble sleeping. It is for military veterans who have had a mild concussion more than a year ago and still have ongoing symptoms.
Richmond, VirginiaAges 18 years+ - NCT07067112Recruiting
Studying immune cells in migraine blood
This study looks at blood samples from women with and without migraine to understand how certain immune cells (called regulatory T cells) might be involved. The goal is to learn more about what causes migraine, which could lead to better treatments.
Clermont-FerrandAges 18–50 - NCT07075523Recruiting
Brain scans and markers after CAR T-cell therapy
This study uses brain scans and blood markers to understand how CAR T-cell therapy affects the brain. It may help researchers predict or manage potential side effects.
La Jolla, CaliforniaAges 18 years+ - NCT07073794RecruitingPhase 2
Home versus clinic cancer therapy for Black men with prostate cancer
This study looks at whether giving certain prostate cancer treatments at home (instead of the clinic) works as well for Black men. If you qualify, you may get your regular treatment at home with a nurse.
Jacksonville, FloridaAges 18 years+ - NCT04987814Recruiting
Testing a skin-sensor scan to detect muscle loss
This study uses a high-detail sensor placed on the skin to look for signs of sarcopenia, or age-related muscle loss. The goal is to see whether the scan can help diagnose sarcopenia more accurately.
Ivry-sur-SeineAges 75 years+ - NCT06369766Recruiting
Eye scans to find retinal markers in neuroinflammatory diseases
This study uses advanced eye scans (OCT and retinal vessel imaging) to look for patterns in the retina that might be different in people with Multiple Sclerosis and other neuroinflammatory diseases. The goal is to find markers that could help doctors better understand and monitor these conditions.
BaselAges 18 years+ - NCT07061964RecruitingPhase 2
Immunotherapy and radiation to save the bladder
This trial tests whether combining immunotherapy and low-dose radiation after chemotherapy can help you avoid bladder removal. It's for people whose muscle-invasive bladder cancer has shrunk significantly after initial treatment.
Birmingham, AlabamaAges 18 years+ - NCT07063719Recruiting
Finding cell markers for rare eye diseases in adults
This study looks for biological markers in the blood or eye samples of people with rare eye diseases compared to healthy volunteers. It aims to better understand and diagnose these conditions.
ParisAges 18 years+ - NCT07058064Recruiting
Watch study for heart monitoring in lymphoma or sarcoma patients
This study uses a wearable device to monitor heart health in people treated for lymphoma or sarcoma. It aims to detect heart changes early, which may help prevent long-term heart problems.
Rochester, MinnesotaAges 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+ - NCT07062614Recruiting
Hair test for HIV treatment adherence
This study uses hair samples to see if they can tell if someone is taking their HIV medication regularly. If you've been on a stable HIV pill regimen for at least 6 months, this study may help improve monitoring for other patients.
ToulouseAges 18–70 - NCT07060326Recruiting
Digital literacy study for caregivers of kids having surgery
This study looks at how comfortable caregivers are with digital tools when their child is having surgery at Nationwide Children's Hospital. It aims to understand and improve digital literacy to better support families.
Columbus, OhioAges birth–18 years - NCT07059884Recruiting
Exercise program to help people with cancer stay active
This trial tests a distance-based exercise program designed to help people on chemotherapy maintain their physical function and prevent disability. It is for patients with certain cancers who are working full-time and can participate in moderate physical activity.
Dublin, CaliforniaAges 18 years+ - NCT07048418Recruiting
Nose job results in adults born with a cleft lip and palate
This trial asks adults who had a nose job as teens or children, after being born with a cleft lip and palate, to rate how they look and feel about their nose. Their answers will help doctors understand how these surgeries affect patients long-term.
MontpellierAges 18–30 - NCT07050186RecruitingPhase 2
Cemiplimab for advanced NUT carcinoma
This trial tests a drug called cemiplimab for people with NUT carcinoma that has spread or cannot be removed. The drug aims to shrink tumors or slow their growth.
Chicago, IllinoisAges 18 years+ - NCT07047872Recruiting
3D-printed breast form study for women after mastectomy
This study tests a custom 3D-printed external breast form for people who had a mastectomy without reconstruction. It aims to see if it improves comfort and satisfaction.
Rochester, MinnesotaAges 18 years+ - NCT07046468Recruiting
Smart pill to check gut health in colon inflammation and cancer
This trial tests a smart pill that measures gut health in people with colon inflammation (ulcerative colitis) or colon cancer. It aims to see if the pill can help doctors better understand how the gut is working during treatment or before surgery.
Nijmegen, GelderlandAges 18 years+ - NCT07046078RecruitingPhase 2
Chemo, radiation, and donor transplant for older adults with high-risk AML
This trial tests a combination of chemotherapy (FLAG-Ida) followed by low-dose total body radiation and a stem cell transplant from a donor. It is for people age 60 and older with newly diagnosed high-risk blood cancers, aiming to improve outcomes with a less intense transplant preparative regimen.
Seattle, WashingtonAges 18 years+ - NCT07051057Enrolling by invitation
Oral health and diet of Sinai U students
This study looks at the oral hygiene and eating habits of physical therapy and pharmacy students at Sinai University. It aims to understand how these habits affect their health, which may help improve student wellness programs.
Ismailia, EgyptAges 16–25 - NCT07044076Recruiting
French quality-of-life questionnaire for meningioma patients
This study tests a French version of a questionnaire that measures quality of life in people with meningioma. Participation involves filling out the questionnaire to help doctors better understand how the tumor affects your daily life.
ParisAges 18 years+ - NCT07041710Recruiting
Aromatherapy for taste and smell problems from chemo
This trial tests whether aromatherapy can help improve taste and smell problems caused by chemotherapy. It is for people who are still undergoing chemotherapy and have noticed these side effects.
VilleurbanneAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,134 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.