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
- 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+ - 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 - NCT06343558Recruiting
Gait and balance study for rare neurological diseases
This study looks at how people with rare or common neurological diseases walk and keep their balance. You will be asked to do simple walking and standing tasks to help doctors understand these problems better.
Milan, MilanAges 18–80 - NCT06724757Enrolling by invitation
Caregiver health survey for ages 50+
This online survey asks caregivers aged 50 and over about their experiences. It aims to understand the needs of caregivers living in Quebec, so researchers can better support people like you.
Montreal, QuebecAges 50 years+ - NCT06726187Recruiting
Autism and personality in adults
This study looks at personality traits and disorders in adults with autism. You and someone who knows you well will answer questions to help researchers understand how autism and personality relate.
RotterdamAges 18 years+ - NCT06717334Recruiting
Lung cancer screening for people with unexplained weight loss
This study looks at using low-dose CT scans to check for lung cancer in people who have lost some weight without a clear reason. The goal is to see if screening can find lung cancer early in this group.
Basking Ridge, New JerseyAges 50–80 - NCT05947149Recruiting
Quality-of-life study in head and neck cancer after hadrontherapy
This study asks people with certain head and neck cancers (or long-term survivors) about how hadrontherapy affected their quality of life. It may help doctors understand long-term wellbeing and care needs after treatment.
Pavia, PvAges 18 years+ - NCT06709534Recruiting
Exercise program for gynecologic cancer survivors
This study tests a personalized at-home exercise program designed for gynecologic cancer survivors who have finished treatment. The goal is to see if it can help you feel better and improve symptoms.
Atlanta, GeorgiaAges 18 years+ - 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+ - NCT06715397Enrolling by invitation
Turkish questionnaire for arm, shoulder, or hand injury patients
This study is testing a Turkish version of a questionnaire that measures how well people with arm, shoulder, or hand injuries can do daily activities. If you join, you will fill out the questionnaire to help make sure it works well for Turkish-speaking patients.
Yenişehir, MersinAges 18 years+ - NCT06706856Recruiting
Ultrasound test for fatty liver disease in kids
This study explores if a new ultrasound technique can detect fatty liver disease in children. It aims to find a simpler, safer way to check liver health without needing an MRI or biopsy.
La Jolla, CaliforniaAges 9–18 - 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 - NCT06704191RecruitingPhase 1/Phase 2
Bladder cancer treatment at home
This trial tests whether patients with early-stage bladder cancer can safely receive their usual bladder chemotherapy or immunotherapy at home instead of in the clinic. It aims to make treatment more convenient while keeping it effective.
Jacksonville, FloridaAges 18 years+ - NCT05652101Recruiting
Study of skills and development in hyperekplexia
This study looks at how children and adults with hyperekplexia develop and adapt over time. It may help researchers understand what support or treatment approaches work best for day-to-day development.
BronAges 2 years+ - NCT05322343Recruiting
Study biobank and brain health in people age 55–80
This study collects blood samples to build a biobank and learn how brain health changes with age. Some participants may also do an MRI scan to better understand brain changes and immune response.
Bordeaux, BordeauxAges 55–80 - NCT06692751Recruiting
Eye scan for microvascular angina
This study tests if a non-invasive eye scan (OCT-A) can detect changes in tiny blood vessels in the retina of people with chest pain caused by problems with the heart's small arteries (microvascular angina). If it works, it could be a simpler way to diagnose this condition.
DijonAges 18 years+ - NCT06686875Enrolling by invitation
Chronic belly pain after sleeve gastrectomy study
This study looks at long-term belly pain in people who had a sleeve gastrectomy 3 months to 5 years ago. It aims to understand the pain better to help future patients.
WarsawAges 18 years+ - NCT04616313Recruiting
MRI and breathing tests in people who vape
This study uses a special lung scan (MRI) and breathing tests to understand how vaping affects lung structure and function. It may help researchers learn what early lung changes happen after starting vaping, even if you don’t feel sick.
London, OntarioAges 16 years+ - NCT06674863Recruiting
Support for Black men after prostate cancer treatment
This study tests a personalized care plan to help Black and African American men who have finished treatment for prostate cancer. The goal is to see if the plan improves health understanding and follow-up care.
Atlanta, GeorgiaAges 18 years+ - NCT06675136RecruitingPhase 1
Nab-paclitaxel PIPAC with paclitaxel and ramucirumab for stomach cancer spread to belly lining
This trial tests a new way to deliver chemotherapy directly into the belly for stomach cancer that has spread to the lining of the abdomen (peritoneal metastases). It also combines two standard chemotherapy drugs. The goal is to see if this approach can help people whose cancer progressed after first treatment.
Duarte, CaliforniaAges 18 years+ - NCT06661720RecruitingPhase 3
Tivozanib and pembrolizumab after kidney cancer surgery
This trial is testing if adding the targeted therapy tivozanib to the immunotherapy drug pembrolizumab (Keytruda) can help prevent kidney cancer from coming back after all known tumors have been removed by surgery.
Phoenix, ArizonaAges 18 years+ - NCT06652204Recruiting
Questionnaire for caregivers of COPD patients
This study tests a French questionnaire for caregivers of people with COPD. It aims to better understand caregiver burden and support needs.
BrestAges 18 years+ - NCT06649201Recruiting
Study of vaginal health after stem cell transplant
This study looks at how stem cell transplants affect the vagina, especially if you develop a condition called graft-versus-host disease (GVHD). Researchers will examine the vagina and test its natural germs (microbiome) to better understand and possibly improve treatment.
Cleveland, OhioAges 18–70 - 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+
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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.