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
- 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+ - 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 - NCT06933953Recruiting
French foot health questionnaire study
This study tests a French version of a foot health questionnaire. It aims to make sure the questions are clear and accurate for people receiving foot care.
AlençonAges 18 years+ - 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 - 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 - 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 - NCT06858761Recruiting
Robot-assisted weight loss surgery: cost and results study
This study looks at whether using a robot during weight loss surgery is worth the cost. It compares outcomes for people having their first bariatric surgery or a repeat surgery for complications.
BordeauxAges 18–70 - NCT06864039Enrolling by invitation
Quality of life in treated congenital hypothyroidism
This study looks at the long-term quality of life for people who were diagnosed with congenital hypothyroidism at birth and started treatment within the first month of life. It aims to understand how early treatment affects their health and well-being as they grow up.
NaplesAges 16–21 - NCT05002751Recruiting
Measuring how radiation affects vaginal narrowing in cervical cancer
This study measures how radiation therapy changes the vagina’s flexibility and shape in people with newly diagnosed, advanced cervical cancer that has spread to nearby lymph nodes. The goal is to better understand what happens over time, which may help guide prevention and treatment of vaginal narrowing.
La Jolla, CaliforniaAges 18–99 - NCT06827158Enrolling by invitation
Turkish manual dexterity questionnaire for Parkinson's
This study is testing a new Turkish questionnaire about how Parkinson's affects hand and finger movements (manual dexterity). If you have Parkinson's and are between 40 and 80, you may be able to help researchers see if the questionnaire is a reliable tool for Turkish speakers.
Bandırma, BalıkesirAges 40–80 - NCT06744179Enrolling by invitation
Post-TB Sequelae Study: How the body heals after TB
This study looks at how the body recovers from tuberculosis (TB). It compares people who have had TB to those who have not, to understand long-term health effects. Participants will be asked to come for follow-up visits in Dhaka.
Dhaka, Dhaka DivisionAges 6 months+ - 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 - 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 - NCT06690151Recruiting
Babies with heart defects and development support
This study looks at how a serious heart condition before birth may affect a baby's brain development. It follows babies and their parents to better understand and support these children as they grow.
Nantes, Loire AtlantiqueAges Any age - 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 - NCT06630182Recruiting
Does personality affect diabetic foot wound healing?
This study looks at how your feelings and personality might affect the healing of a diabetic foot wound. Researchers will ask you to complete questionnaires about your emotional state to see if there is a link to wound recovery.
DijonAges 18–18 - 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+ - NCT06471842Recruiting
Eating issues in kids with metabolic diseases on special diets
This trial studies eating disorders in young children with certain inherited metabolic diseases that require a special diet. It aims to understand how often these eating problems happen and what they look like.
ParisAges 1–6 - NCT05450354Recruiting
Study of related mental conditions after a child suicide attempt
This study looks at how other mental and emotional problems show up in children after a serious suicide attempt, and compares them with children after a less severe attempt. It aims to better understand what needs support in the hospital and afterward.
ParisAges 9 years+ - NCT04396002Recruiting
Study of life movement and vision loss in older adults
This study looks at whether how far and how much you move around each day is linked to glaucoma and vision field loss in older adults. It may help researchers understand what affects vision changes over time.
Birmingham, AlabamaAges 18–100 - 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+ - NCT06348719Recruiting
Robot vs. standard laparoscopy for early endometrial cancer
This trial compares two types of minimally invasive surgery (robot-assisted vs. conventional laparoscopy) for removing the uterus in people with early-stage, low- to intermediate-risk endometrial cancer. The goal is to see which approach offers the best value and outcomes.
LilleAges 18 years+ - NCT06429527Enrolling by invitation
Smartphone app for follow-up after cataract surgery
This trial tests whether checking your vision at home with a smartphone app (WHOeyes) and answering a few questions can safely replace a one-week in-person visit after cataract surgery. If you qualify, you'll help doctors see if app-based follow-up is convenient and reliable.
Guangzhou, GuangdongAges 50–80 - 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+
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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.