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
- 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 - NCT05505188Recruiting
Predicting long-term pain after head and neck radiotherapy
This study looks for ways to predict and improve pain you may have months after radiotherapy for first head and neck cancer. It may help doctors better anticipate pain and support patients during recovery.
CaenAges 18 years+ - NCT06770582RecruitingPhase 2
Adding immunotherapy to radiation for bladder cancer
This trial tests whether adding the immunotherapy drug pembrolizumab to radiation therapy works as well as or better than the usual chemotherapy given with radiation for a type of bladder cancer that has not invaded the muscle. It is for people whose cancer came back or has high-risk features and who would otherwise need to have their bladder removed.
Tucson, ArizonaAges 18 years+ - NCT06767475Enrolling by invitation
Mindfulness for Black cancer survivors
This trial tests whether a mindfulness program, offered through faith communities, can help Black adult cancer survivors feel better and manage stress. It involves attending group sessions and completing online surveys.
Jacksonville, FloridaAges 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+ - 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+ - 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+ - 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 - NCT06763328RecruitingPhase 3
Metformin for insulin resistance after breast cancer chemo
This study tests if metformin, a common diabetes medicine, can help reduce insulin resistance in women who finished chemotherapy for early-stage breast cancer. It aims to improve long-term health and prevent future problems.
Duarte, CaliforniaAges 18 years+ - NCT05894070Recruiting
Using your voice recordings to spot cancer coming back
This study looks at whether changes in your voice can help detect early return of laryngeal or hypopharyngeal cancer. If you’ve finished curative treatment and are disease-free for a certain period, your voice will be monitored to see if it can signal recurrence sooner.
BernAges 18 years+ - NCT04639388Recruiting
Learning about psychosis in children with 22q11.2 deletion syndrome
This study looks at how “psychotic disorders” (like unusual beliefs, hallucinations, or thought changes) show up in children with 22q11.2 deletion syndrome. It mainly focuses on understanding the condition and may help improve care in the future.
Lyon, Auvergne-Rhône-AlpesAges 4–13 - NCT05743257Recruiting
Study how neighborhood changes affect health behaviors
This study looks at how specific changes in parts of Paris may influence people’s health behaviors. You may be in the study if you live in the intervention area near Porte de la Chapelle or in a nearby area without those changes, and you’re over 18.
CréteilAges 18 years+ - NCT06747910Recruiting
Remote test for nerve problems after childhood cancer
This study tests if a remote, at-home approach can identify problems with the autonomic nervous system (the part that controls heart rate, blood pressure, and digestion) in adult survivors of childhood leukemia or lymphoma. If you join, you will complete a set of simple tasks (the Ewing battery) from home to see how your body responds.
Memphis, TennesseeAges 18 years+ - NCT06745817Enrolling by invitation
Nutrition study for women of childbearing age
This study looks at how well women in their reproductive years get enough nutrients from their diet. It will compare the nutrition of women who eat a regular diet, a vegetarian diet, or a vegan diet.
LjubljanaAges 20–49 - 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+ - 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+ - 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+ - NCT06745076RecruitingPhase 2
Personalized chemotherapy reduction for advanced Hodgkin lymphoma
This trial tests a personalized approach to using a blood test (ctDNA) to decide how much chemotherapy you need. If you have advanced Hodgkin lymphoma, this study might let you have less chemo if the blood test shows a strong response early on, potentially reducing side effects.
Irvine, CaliforniaAges 18 years+ - NCT04706754Recruiting
Study of lung cancer information across Canada
This observational study collects information from adults with lung cancer to better understand the disease over time. If you join, it helps researchers learn from real-world experiences rather than testing a new drug.
Brampton, OntarioAges 18 years+ - NCT06376448Recruiting
Chronic cough study using a new questionnaire
This study aims to better understand different types of chronic cough by using a new questionnaire. If you have had a cough for at least 8 weeks and do not smoke, you may be able to help.
Cottingham, East YorkshiureAges 18 years+ - NCT06732388RecruitingPhase 2
Itraconazole with ablation to prevent esophageal cancer in Barrett's esophagus
This trial tests if adding the antifungal drug itraconazole to standard ablation therapy can help prevent esophageal cancer in people with high-risk Barrett's esophagus. You must have a confirmed diagnosis of Barrett's esophagus with low- or high-grade dysplasia or early-stage cancer, and be planning to have ablation treatment.
Kansas City, KansasAges 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 - 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+
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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.