Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,162 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06338891Recruiting
Can gluten or wheat trigger FMF attacks?
This trial looks at whether foods like gluten or wheat might cause attacks in people with Familial Mediterranean Fever (FMF). If you have FMF, joining could help understand if changing your diet can prevent attacks.
Palermo, SicilyAges 6 months–80 years - NCT06367400Recruiting
Validating a Sleep Questionnaire for Swedish Children
This study tests a sleep questionnaire designed to help diagnose sleep-related breathing problems in children. It aims to see if the questionnaire works well for Swedish children, making it easier for doctors to spot these issues early.
UppsalaAges 1.5 years–15 years - NCT06370520Recruiting
Teen emotions screening after mild brain injury
This study screens teens aged 11 to 17 for emotional and mental health problems after a mild traumatic brain injury (mTBI, also called concussion or minor head injury). The goal is to find out if the hospital screening helps identify teens who may need extra support.
Sacramento, CaliforniaAges 11–17 - NCT06388811Recruiting
Turkish version of a knee pain questionnaire study
This study tests a Turkish questionnaire for early knee osteoarthritis. It may help doctors better identify and treat early knee pain.
IstanbulAges 18 years+ - NCT06400992Recruiting
Testing Sky hearing technology in children
This study is testing the Sky CI sound processor in children aged 6–16 who use cochlear implants and/or hearing aids. The goal is to see how well the Sky technology works for hearing in noise.
ParisAges 6–16 - NCT06416293Recruiting
Improving breast cancer care with patient input
This trial aims to improve breast cancer care by working together with patients and doctors. It is for people with breast cancer or DCIS (a very early stage), and your input will help shape better care.
Augsburg, BavariaAges 18 years+ - NCT06450431Recruiting
Parathyroid symptom assessment study
This study looks at how your parathyroid condition affects your symptoms and quality of life. You will fill out a simple questionnaire about your health.
Nantes, Loire-AtlantiqueAges 18 years+ - NCT06490393Recruiting
Supervised quality of life tracking for cancer patients
This trial tests whether having a healthcare professional help you fill out quality of life questionnaires makes a difference for people getting cancer treatment. You must be on ongoing systemic therapy (like chemo, immunotherapy, or hormone therapy) for at least 4 weeks before starting and plan to continue for at least 4 more weeks.
Basel, Canton of Basel-CityAges 18 years+ - NCT06558786Recruiting
Registry for esophageal cancer that has spread to a few spots
This study tracks patients with stage IV esophageal or gastroesophageal junction cancer that has spread to only a limited number of places (like the liver, lung, or a few lymph nodes). The goal is to understand how well treatments like surgery or radiation work after initial drug therapy.
New York, New YorkAges 18 years+ - NCT06581770Recruiting
Turkish Digital Health Readiness Questionnaire Study
This study tests a Turkish version of a questionnaire about how ready people are to use digital health tools. It is for Turkish-speaking adults with chronic conditions like obesity, diabetes, heart disease, or lung disease.
Istanbul, IstanbulAges 18 years+ - NCT06669897Recruiting
Cough severity questionnaire study
This study is testing a new questionnaire to measure how severe a cough is. It is looking for people with a chronic cough (cough lasting a long time) and healthy volunteers to see if the questionnaire works well.
Badalona, BarcelonaAges 30–99 - NCT06696534Recruiting
Patient views on colorectal cancer screening methods
This study asks people aged 50–69 about their experience and preferences with different screening methods for colorectal cancer. It aims to improve screening programs by understanding what patients prefer.
LisbonAges 50–69 - NCT06702228Recruiting
Precision care for pulmonary fibrosis in Ireland
This trial is for people with scarring lung disease (pulmonary fibrosis) in Ireland. It aims to better understand and care for the condition, especially in families. The study will look at medical data and may help improve diagnosis and treatment.
DublinAges 18–85 - NCT06703632Recruiting
Testing a new stool test for early colon cancer detection
This study is evaluating PreveCol, a new second-line stool test for people aged 50–69 who had a positive FIT/FOBT result and are already scheduled for a colonoscopy. It aims to find out if this test can help detect colorectal cancer earlier.
Lisbon, Lisbon DistrictAges 50–69 - NCT06727448Recruiting
Testing a new French sleep regularity questionnaire
This study is testing a new French questionnaire about sleep regularity. You will wear a small device (actimetry) for 14 days as part of your regular sleep check-up, and fill out the questionnaire to help doctors see if it's a good tool.
BordeauxAges 18 years+ - NCT06736483RecruitingPhase 2
Dexmedetomidine for children’s groin surgery recovery
This trial tests whether adding a sedative called dexmedetomidine to a numbing shot (nerve block) helps children aged 1–7 recover better after groin surgery. The goal is to improve comfort and reduce side effects.
Montpellier, FranceAges 1–7 - NCT06758349Recruiting
Posture check for orchestra musicians
This study looks at the posture of professional orchestra musicians. It aims to help understand how their bodies are affected by playing and identify ways to prevent pain or injury.
Milan, MIAges 18 years+ - NCT06825650Recruiting
Turkish adaptation of a pain questionnaire
This study aims to adapt a questionnaire about pain into Turkish and check if it works well. Researchers want to see if the questions are understandable and reliable for people with certain types of pain.
Ankara, AltındağAges 18 years+ - NCT06875089Recruiting
Newborn gene screening study in France
This study is testing a new way to screen newborns for certain health conditions by analyzing their DNA from a small blood sample. It aims to see if parents find this type of screening acceptable and helpful.
AngersAges birth–4 weeks - NCT06890767Recruiting
Wearable monitoring for COPD patients in the hospital
This study tests whether using a wearable device (like a sensor or smartwatch) can help doctors check on COPD patients while they are in the hospital for a bad flare-up. The goal is to see if remote monitoring can make care better and help you get home sooner.
Genk, LimburgAges 18 years+ - NCT06918756Recruiting
Cough control questionnaire development study
This study is creating a new questionnaire to measure how well people can control their cough. It includes people with different types of cough and a small number of healthy volunteers.
LondonAges 18–100 - NCT06925295RecruitingPhase 2
Xenon MRI to guide radiation for lung cancer
This trial tests whether a special MRI that uses xenon gas can help doctors better plan radiation therapy for lung cancer. You may join if you are scheduled for stereotactic body radiation therapy for your lung cancer.
Iowa City, IowaAges 18–80 - NCT06967935Recruiting
Sleep and memory study in epilepsy
This study looks at how sleep and memory work together in people with epilepsy. You will stay in the hospital for at least 4 days with a video EEG to record your brain activity while you sleep and complete memory tasks.
BronAges 18–65 - NCT06994988Recruiting
Smart band-aid study for chronic pain in women
This trial tests a special band-aid that measures chronic pain. Women with chronic pain or healthy women may join to help researchers learn how this device works.
Chicago, IllinoisAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,162 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.