Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,166 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06713889Recruiting
Study of heart valve disease and events
This study looks for biological markers in the blood that might help predict heart-related events in people with a narrowed aortic heart valve. It aims to improve care for those with this condition, whether or not they have a procedure called TAVI to replace the valve.
LyonAges 18 years+ - NCT06728579RecruitingPhase 2
Group therapy for joint pain in breast cancer survivors
This study tests two supportive group programs—one using mindfulness skills, the other providing supportive talk therapy—to help breast cancer survivors manage joint pain caused by hormone-blocking pills. If you have ongoing joint pain and are taking an aromatase inhibitor, you may be able to join a free, video-based group.
San Diego, CaliforniaAges 18 years+ - NCT06729502Recruiting
Frailty Scale for Older Adults in the ICU
This study uses a simple picture-based scale to measure frailty in older adults (60+) who were admitted to the intensive care unit. It aims to better understand how frailty affects recovery in this setting.
Petah TikvaAges 60 years+ - NCT06733350RecruitingPhase 4
Testosterone therapy for low testosterone in men with low-risk prostate cancer
This study tests whether testosterone replacement therapy can safely improve low testosterone levels in men with low-risk prostate cancer who are not getting immediate treatment. It aims to help men feel better without worsening their cancer.
Buffalo, New YorkAges 18 years+ - NCT06737380RecruitingPhase 1
Stem Cell Therapy Study for Active Lupus
This study tests whether a special type of stem cell treatment (called UC-MSC) can help calm lupus when standard medicines aren't enough. It's for people with active lupus who have tried other non-steroid medications.
Charleston, South CarolinaAges 18–75 - NCT06737718Recruiting
Eye tracking study for children with Angelman syndrome
This trial uses eye tracking to understand how children with Angelman syndrome perceive social cues. Participation helps researchers learn more about social perception for future treatments.
ParisAges 3–17 - NCT06743308Recruiting
New questionnaire to improve understanding in advanced lung cancer
This study tests a new questionnaire to help people with advanced lung cancer better understand their illness. It is for patients who are being treated at MD Anderson and were recently diagnosed.
Houston, TexasAges 18 years+ - NCT06746012Recruiting
Health app study for colorectal cancer survivors and their caregivers
This study tests a mobile health program to help colorectal cancer survivors and their family caregivers stick to healthy lifestyle habits. It's for survivors who are at least 6 months past treatment and have a smartphone.
Columbus, OhioAges 18 years+ - NCT06746220Recruiting
Effect of activity and probiotics on body and health in women
This study looks at how adding physical activity and/or probiotics might affect your body composition and health. It is for women who are students at the University of Orléans and do not already exercise regularly.
OrléansAges 18 years+ - NCT06758648Recruiting
Eye blood vessels in Fabry disease
This study looks at the tiny blood vessels in the eyes of people with Fabry disease using a special camera. It may help doctors understand how the disease affects the eyes over time.
München, BavariaAges 18 years+ - NCT06761196Recruiting
Quality of life after breast cancer surgery
This study looks at how breast cancer surgery affects your quality of life. It includes people with any stage of breast cancer (or at high risk) who need breast surgery under general anesthesia. The goal is to learn how to better support your recovery and well-being.
ColmarAges 18 years+ - NCT06764095RecruitingPhase 4
Drug combo before bladder or ureter surgery for advanced cancer
This trial tests two drugs, enfortumab vedotin and pembrolizumab, given before surgery to remove the bladder or ureter in people with advanced bladder or upper urinary tract cancer that has spread to lymph nodes or other organs. The goal is to see if this treatment helps shrink the cancer and improves outcomes.
Rochester, MinnesotaAges 18 years+ - NCT06770621Recruiting
Glucagon response study in new type 1 diabetes
This study looks at how the body makes glucagon (a hormone that raises blood sugar) in children and teens with new type 1 diabetes. It aims to understand why some people may have dangerous low blood sugars, so doctors can better prevent them in the future.
Brussels, Woluwe-saint-lambertAges 2–30 - NCT06771336Recruiting
Study of standard care for jawbone reconstruction after cancer
This trial studies current standard care for people who need jawbone reconstruction after cancer surgery. It aims to document the costs and outcomes of using a piece of bone from another part of the body (a free bone flap) to rebuild the face.
AmiensAges 18 years+ - NCT06771505Recruiting
New quality of life tool for short bowel patients
This study aims to create a new tool to measure quality of life in people with short bowel syndrome. By comparing it to a standard questionnaire, researchers hope to better understand how the condition affects daily life and well-being.
Pierre-BéniteAges 18–99 - NCT06773234Recruiting
Dental learning environment study
This trial is a survey for dental students at Beni-Suef University to evaluate their learning environment. If you are a student there, your feedback could help improve the program.
Banī SuwayfAges Any age - NCT06776965Recruiting
Ultra-processed foods and rheumatic disease study
This study explores how eating ultra-processed foods affects people with chronic rheumatic diseases like rheumatoid arthritis, spondyloarthritis, or osteoarthritis. It aims to understand if diet plays a role in symptom management.
LyonAges 18 years+ - NCT06778005Recruiting
Ultrasound of leg nerves in type 2 diabetes with nerve damage
This study uses ultrasound (an imaging test) to measure the nerves in the legs of people with type 2 diabetes who have nerve damage. It helps doctors learn more about how diabetes affects nerves.
Istanbul, ÜsküdarAges 18–65 - NCT06780241Recruiting
Sex differences in valvular heart disease
This study uses special MRI scans to look at how valvular heart disease (like leaky or narrowed aortic valves) affects men and women differently. It aims to find unique biological patterns that could lead to better treatments.
Cleveland, OhioAges 18–90 - NCT06780293RecruitingPhase 2
Laser acupuncture for dry eye and Sjogren's dry eye
This study tests if laser acupuncture can help people with dry eye symptoms, including those with Sjogren's syndrome, which causes dryness in the eyes and mouth. It may be a good fit if you have dry eye or Sjogren's and meet the age and eye test requirements.
Taipei, TaiwanAges 20–75 - NCT06782308Recruiting
Tinnitus patient preferences survey
This study surveys adults with chronic, bothersome tinnitus to understand their treatment preferences. If you have had tinnitus for three months or longer, your input could help shape future therapies.
New York, New YorkAges 18 years+ - NCT06784726RecruitingPhase 2
Odronextamab before CAR-T for large B-cell lymphoma
This trial tests a drug called odronextamab for people with large B-cell lymphoma whose cancer did not respond to or came back after initial treatment. The goal is to see if odronextamab can help shrink the tumor before getting CAR-T cell therapy.
Seattle, WashingtonAges 18 years+ - NCT06786949Recruiting
Night shift work and breast cancer risk study
This study looks at whether working night shifts is linked to breast cancer in female health workers. It aims to understand if there is a higher risk for those who work nights.
BolognaAges 20–70 - NCT06788886Recruiting
Breathing practice for brain and mental health in cancer and other illnesses
This study tests a simple breathing practice to see if it can improve brain health and mental well-being for people with cancer, multiple sclerosis, or their caregivers. You will do light exercises and answer questionnaires, and some participants will also have an MRI brain scan.
Rochester, MinnesotaAges 18–85
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,166 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.