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
- NCT07506239Recruiting
Laser therapy for low-grade brain tumors in young people
This trial tests a laser treatment called LITT for low-grade glioma (a type of brain tumor) that has come back or is growing despite prior treatment. It aims to see if the laser is safe and effective in young people aged 2 to 25.
San Francisco, CaliforniaAges 2–25 - NCT07510087Recruiting
Glaucoma and quality of life study
This study examines how glaucoma affects day-to-day life. It asks people with any type of glaucoma to complete a questionnaire about their quality of life.
Iowa City, IowaAges 18 years+ - NCT07512869Recruiting
Harm Reduction Support for Men Who Have Sex With Men in Bangkok
This study explores ways to support men who have sex with men (MSM) in Bangkok who use drugs during sexual activities, called 'chemsex.' Researchers want to understand how community leaders, healthcare workers, and police can work together to keep people safer and healthier.
Pathum Wan, BangkokAges 18 years+ - NCT07513064Recruiting
Healthcare providers' views on pregnant Muslim fasting
This study asks doctors and nurses about their experiences caring for pregnant women who choose to fast during Ramadan (a religious month). Researchers want to understand what healthcare providers know, believe, and do to keep these patients safe.
GizaAges Any age - NCT07518056Recruiting
Smartphone Use, Stress, Body Image and Food Habits Study
This research explores whether heavy smartphone use is linked to stress, how you feel about your body, and eating habits. Understanding these connections may help develop better support for students struggling with these issues.
Istanbul, beşiktaşAges 18–30 - NCT07518784Recruiting
Testing a new liver scanning device for fatty liver disease
This study tests a new device called LiverScope® that scans your liver to detect fatty liver disease (MASLD). The scan uses special imaging technology and may help doctors diagnose liver disease more quickly and accurately.
La Jolla, CaliforniaAges 18 years+ - NCT07519850Recruiting
How Perianal Disease Affects Sexual Health and Quality of Life
This study explores how chronic perianal conditions—like anal fistulas or pilonidal disease—affect patients' sexual function and relationships. Researchers will ask you to complete surveys about your symptoms and sexual health to better understand this impact and help future patients.
Thessaloniki, ThessalonikiAges 18 years+ - NCT07530978Recruiting
Oral Health, Gum Disease, and Quality of Life Study
This study looks at how gum health affects daily life and quality of living. Researchers want to understand the connection between oral hygiene habits, gum disease status, and how patients feel overall.
Bolu, BoluAges Any age - NCT07532590Recruiting
Pancreas Plus: smartphone app for pancreatic cancer monitoring
This study tests a smartphone app designed to help people with pancreatic cancer track their health and receive educational information about their condition. The app asks simple questions regularly and provides supportive content to help you stay informed and connected to your care team.
Pavia, PaviaAges 18 years+ - NCT07535320Recruiting
What Dialysis Treatment Do Patients Prefer?
This research study asks patients with advanced kidney disease about their preferences for different dialysis treatment options before starting treatment. Your feedback helps doctors understand what matters most to patients when choosing how to manage their kidney disease.
CaenAges 18 years+ - NCT07550153Recruiting
Dental Communication and Social Media Ethics Study
This study explores how dentists, patients, and other healthcare providers use social media to share and find dental health information. Researchers want to understand the legal and ethical issues around online dental communication.
Roma, RMAges 18 years+ - NCT07554313Recruiting
Understanding Delays in Testicular Torsion Treatment for Teens
This study looks back at teenagers who had surgery for testicular torsion (a twisted testicle) to understand why some waited longer than others before getting help. Learning about these delays may help doctors and families recognize this emergency faster in the future.
ColmarAges 10–17 - NCT07555665Recruiting
Real-World Use of Molecular Testing for Endometrial Cancer
This study examines how hospitals in Italy use molecular testing (genetic analysis) to better classify and treat endometrial cancer. It may help doctors personalize treatment based on the cancer's molecular characteristics.
Roma, RomaAges Any age - NCT07559461Recruiting
Fear and Anxiety in First-Time Surgery Patients
This study looks at how fear and anxiety change in patients having surgery for the first time. Researchers will measure your feelings before and after anesthesia to better understand and help patients manage surgical anxiety.
Stony Brook, New YorkAges 18 years+ - NCT07560852Recruiting
How Endotest affects women's daily life and wellbeing
This study asks women taking Endotest (a saliva-based hormone test) about how it affects their quality of life and wellbeing. Researchers want to understand whether using this test helps women feel more confident about their health decisions.
Bordeaux, GirondeAges 18–43 - NCT07563621Recruiting
Understanding Vaginal Health Changes in Breast Cancer Survivors
This study examines vaginal dryness and discomfort—common side effects of breast cancer treatment—in women who've survived the disease. Researchers want to understand how often this happens and how much it affects daily life, which may help doctors better support survivors.
Hasselt, LimburgAges 18 years+ - NCT07577752Recruiting
Measuring Blood Flow in the Heart's Main Artery
This research study uses MRI imaging to measure how blood flows through your aorta, the main blood vessel leaving your heart. Researchers want to understand normal blood flow patterns in healthy people to improve how doctors diagnose heart problems.
Enschede, OverijsselAges 18–85 - NCT07591103Recruiting
Understanding Diabetes Self-Care and Health Literacy
This research study examines how social factors, education, and personal beliefs affect how well people with diabetes manage their condition on their own. The goal is to understand what helps patients take better care of their diabetes day-to-day.
Alexandria, Alexandria GovernorateAges 18 years+ - NCT07604493Recruiting
Italian Doctors' Survey on Oral Health and General Wellness
This study asks Italian general practitioners (family doctors) about their views on how oral health—like teeth and gum health—affects overall body health. Your answers help researchers understand what doctors know and think about the connection between mouth and systemic diseases.
Roma, RMAges 18 years+ - NCT07614464Recruiting
How obesity affects movement and daily living in older adults
This study compares how obesity impacts physical abilities and everyday activities in people over 65. Researchers will measure strength, movement, and how well people manage daily tasks to better understand obesity's effects on aging.
OggebbioAges 65 years+ - NCT07618273Recruiting
Smart phone app for tracking stomach and digestive health
This study tests a smartphone app called ALEX that helps you track digestive symptoms like bloating, stomach pain, or changes in bowel habits over four weeks. Researchers want to see if the app makes it easier to notice patterns in your symptoms and understand your gut health better.
Jacksonville, FloridaAges 18–44 - NCT07627282Recruiting
Understanding spine care evolution and patient outcomes
This study follows patients visiting a spine surgery department to better understand how care is provided and how patients do over time. It helps doctors improve treatment for spine problems like degeneration, deformity, injury, infection, or tumors.
BordeauxAges 18 years+ - NCT07650656RecruitingPhase 2
Fluorescence-Guided Surgery to Improve Sarcoma Tumor Removal
This trial tests a special dye and imaging technique to help surgeons see and remove sarcoma tumors more completely. The goal is to reduce the chance that cancer cells are accidentally left behind during surgery.
Duarte, CaliforniaAges Any age - NCT07663890Recruiting
Exploring dissociative identity disorder
This study explores how dissociative identity disorder (DID) works. If you have DID and are seeing a therapist, you may help researchers learn more.
CarvinAges 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.