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
- NCT06197386Recruiting
Testing a fear-of-injury survey for Turkish athletes
This study checks if a questionnaire designed to measure how much athletes fear movement due to injury works well in Turkish. It aims to help coaches and doctors better understand and support athletes.
AnkaraAges 15–19 - NCT06212791Recruiting
Exercise MRI Study of Heart Function After Ablation
This study uses an exercise MRI to look at how the upper chambers of the heart (left atrium) work after ablation for atrial fibrillation. It may help doctors understand if the procedure improves heart function during exercise.
Richmond, VirginiaAges 18 years+ - NCT06215508Recruiting
Smartwatch and geriatric assessment for older men with prostate cancer
This trial tests whether using a smartwatch along with a geriatric assessment can help doctors better manage the health of older men with metastatic prostate cancer who are about to start a new type of hormone therapy. It aims to improve quality of life and treatment outcomes.
Chicago, IllinoisAges 18 minutes+ - NCT06216249RecruitingPhase 2
Flexible dosing of Lu-PSMA for advanced prostate cancer
This trial tests a flexible dosing schedule of a targeted radiation drug (Lu-PSMA) for men with metastatic prostate cancer that has stopped responding to hormone therapy and chemotherapy. It aims to see if adjusting the treatment schedule can improve outcomes while reducing side effects.
Los Angeles, CaliforniaAges 18 years+ - NCT06222099Recruiting
Heartfelt study for chronic heart failure with swelling and adherence challenges
This trial tests a program to help people with chronic heart failure who have swelling in their feet and legs and struggle to follow their care plan. It aims to reduce hospital visits by improving daily monitoring and medication use.
Little Rock, ArkansasAges 22 years+ - NCT06223217Recruiting
New quality-of-life survey for leg artery disease patients
This study tests a new questionnaire (modified VascuQol) to measure how leg artery disease affects your daily life. It aims to create a better tool for doctors to track your symptoms and well-being.
Shanghai, Shanghai MunicipalityAges 18–90 - NCT06223659RecruitingPhase 2
EMLA cream for pain during lymphoscintigraphy for skin cancer
This trial tests whether EMLA cream can reduce pain from injections needed to map lymph nodes for certain skin cancers. If you are scheduled for lymphoscintigraphy and sentinel lymph node biopsy, you may be eligible.
Columbus, OhioAges 18–99 - NCT06224153Recruiting
Tracking Protein Intake in Advanced Kidney Disease
This study compares two ways to track how much protein you eat using a mobile app or website. It is for people with advanced chronic kidney disease who are already in a nutrition program and want to follow a low-protein diet.
Marseille, FranceAges 18 years+ - NCT06224764Recruiting
Study on very small premature babies after going home
This study looks at how very small premature babies (born early and weighing less than 4.4 pounds at discharge) do after they go home. It helps doctors understand what support families need.
PontoiseAges 1 month–11 years - NCT06225427RecruitingPhase 1
Gilteritinib for advanced ALK-positive lung cancer
This trial tests a drug called gilteritinib for people with a specific genetic type of lung cancer (ALK-positive) that has spread and has been treated before. You may be eligible if you have already tried at least one targeted therapy, and your cancer is still growing.
Los Angeles, CaliforniaAges 18 years+ - NCT06239259Recruiting
Testing a Thai questionnaire for carpal tunnel diagnosis
This study is testing a new Thai-language questionnaire to see if it can accurately diagnose carpal tunnel syndrome. If you are a Thai speaker with nerve-tested carpal tunnel, you may help researchers improve how this condition is diagnosed.
Bangkok Noi, BangkokAges 18 years+ - NCT06239909Recruiting
Adjustable sphincter for urine leakage after prostate surgery
This trial is testing an adjustable artificial sphincter called Victo to help men who leak urine after prostate surgery. It may improve bladder control and quality of life.
Ostrava, Moravian-Silesian RegionAges 18 years+ - NCT06247631Recruiting
Sleep apnea risk before chest surgery
This study uses a simple questionnaire (STOP-Bang) to check if patients having chest surgery might have undiagnosed sleep apnea or face breathing challenges during surgery. It helps doctors plan safer care.
Ankara, KeçiörenAges 18–65 - NCT06251258Recruiting
Reading emotions in faces: insomnia and feelings study
This study looks at how people with and without insomnia recognize emotions on faces. It aims to understand if sleep problems affect emotional understanding.
AngersAges 18–65 - NCT06258382Recruiting
Fontan circulation and reproductive health study
This study looks at reproductive health in adults with Fontan circulation (a type of heart surgery) and their partners, using questionnaires. It aims to understand how this heart condition affects reproductive health and family life.
Lund, Skåne CountyAges 18 years+ - NCT06260033RecruitingPhase 2
Radiation Therapy for Oligoprogressive ER+ Breast Cancer
This trial tests whether a precise radiation treatment (SBRT) can target a few growing spots of estrogen receptor-positive breast cancer that has spread to other parts of the body. It also uses a special PET scan (FES PET/CT) to see how well the cancer responds. The goal is to slow down the cancer and delay the need for stronger treatments.
Duarte, CaliforniaAges 18 years+ - NCT06265285RecruitingPhase 2
Nivolumab at home vs. clinic for cancer treatment
This study compares giving the immunotherapy drug nivolumab as a shot under the skin at home versus in the clinic. It is for people with certain cancers who are already taking or starting nivolumab.
Jacksonville, FloridaAges 18 years+ - 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 - NCT06271447Recruiting
Pain questionnaire study for chronic low back pain
This study looks at how well pain questionnaires measure changes in chronic low back pain over time. If you have had long-term low back pain, researchers want to see if these surveys can accurately detect meaningful improvements.
Istanbul, None SelectedAges 18–65 - NCT06283069Recruiting
Lifestyle and heart health: an observational study
This study looks at how your daily habits—like what you eat, how much you exercise, and your sleep—relate to your heart health. Researchers will ask you to fill out a questionnaire and collect information from your medical records to learn more.
MilanAges 6 years+ - NCT06283797Recruiting
Automated insulin early after type 1 diabetes diagnosis in kids
This trial tests whether starting automated insulin therapy soon after diagnosis helps children and teens with type 1 diabetes control their blood sugar better. It uses a system that automatically adjusts insulin delivery based on continuous glucose monitoring.
AngersAges 2–18 - NCT06288113RecruitingPhase 2
Re-treatment with 177Lu-PSMA-617 for prostate cancer
This trial tests if a second round of a targeted radiation therapy (177Lu-PSMA-617) can help men whose prostate cancer has returned after a successful first treatment. It is for men whose cancer has stopped responding to hormone therapy and chemotherapy, and whose PSA levels have risen again after a prior good response to this drug.
Los Angeles, CaliforniaAges Any age - NCT06289348Recruiting
How is PKU announced to families after newborn screening?
This study talks to parents or doctors about how they first learned their child had PKU through newborn screening. It aims to improve how these rare metabolic diseases are communicated to families.
ParisAges 18 years+ - NCT06294028Recruiting
Ablation vs Defibrillator for Well-Tolerated Fast Heartbeat
This study compares two treatments for a fast heartbeat called ventricular tachycardia in people with prior heart attacks and relatively preserved heart function: one uses heat energy (ablation) to fix the electrical problem, and the other places an implantable defibrillator that shocks the heart to restore normal rhythm. The goal is to find which approach works better for people whose symptoms are well-tolerated.
Toulouse, FranceAges 18–90
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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.