Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,132 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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+ - 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 - NCT07557342Recruiting
Sexual Health Study for Women With Gynecologic Cancer
This study looks at how gynecologic cancer (cancers of the ovaries, cervix, uterus, vulva, or vagina) affects sexual health and relationships. Researchers will talk with you and your partner about your experiences to better understand how to support sexual well-being during and after cancer treatment.
Bologna, BolognaAges 18–75 - NCT07557628Recruiting
How Your Brain Responds to High-Fat Meals
This study looks at how a part of your brain called the hypothalamus reacts to eating meals with different amounts of fat. Researchers will use brain imaging (MRI) to watch this response and better understand how diet affects brain inflammation and metabolism.
DijonAges 20 years+ - NCT06163625Recruiting
Brain activity and memory in treatment-resistant depression
This study looks at how the brain's frontal lobe (DLPFC) works during memory tasks in people with treatment-resistant depression. It compares brain activity between depressed patients and healthy controls using MRI and possibly a brain stimulation technique (rTMS). It aims to understand why some people don't respond to standard treatments.
Toronto, OntarioAges 18–65 - NCT05462613RecruitingPhase 2/Phase 3
Regorafenib plus aspirin then standard chemo for metastatic bowel cancer
This trial tests whether adding regorafenib and low-dose aspirin before standard chemotherapy can slow metastatic colorectal cancer after it has progressed on prior treatment. It may help by trying a different cancer-fighting approach earlier, followed by the usual chemo plan.
BesançonAges 18 years+ - NCT07545837Recruiting
Wellness Coaching for Thyroid Cancer Survivors
This study tests whether personalized health coaching helps thyroid cancer survivors stick to their treatment plans and build healthier habits. You'll work with a coach to improve your overall wellness after thyroid cancer treatment.
Jacksonville, FloridaAges 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+ - NCT06425133RecruitingPhase 2
Regorafenib plus low-dose chemo for advanced colorectal cancer
This trial tests a combination of regorafenib (a targeted pill that cuts off blood supply to tumors) with a low-dose, continuous chemotherapy regimen for people whose colorectal cancer has spread and is no longer responding to standard treatments. The goal is to see if this mix can slow or stop the cancer's growth.
AuxerreAges 18 years+ - NCT05501379Recruiting
Track activity in cancer patients during treatment
This study compares how physical activity answers on a questionnaire match what a motion tracker measures. It may help researchers understand activity levels in people with lymphoma, colorectal, or pancreatic cancer during treatment.
GreifswaldAges 18 years+ - NCT07536672Enrolling by invitation
Understanding Pain and Sexual Health in Chronic Pain
This study helps develop a questionnaire (survey) that measures how chronic pain affects sexual health and relationships. If you have long-term pain and a stable relationship, your feedback could help doctors better understand and support patients like you.
Kütahya, KütahyaAges 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+ - NCT06422052Recruiting
H. pylori infection and its treatment for stomach discomfort
This trial is for adults aged 18 to 80 who have a Helicobacter pylori (H. pylori) infection in their stomach and have never been treated for it. The study will look at how treating the infection affects symptoms like indigestion or stomach pain.
Chongqing, Chongqing MunicipalityAges 18–80 - NCT07525830Recruiting
Sleep and bonding support during maternity hospital stay
This study looks at how to help new mothers and babies sleep better and bond together while in the hospital after birth. Researchers want to understand what support helps mothers who are breastfeeding get better rest during their stay.
Amiens, PicardieAges 18 years+ - 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+ - NCT07532954Recruiting
Peer Support Community for Neuroendocrine Cervical Cancer
This study tests whether joining an online support community helps patients with a rare type of cervical cancer called neuroendocrine cervical cancer (NECC) feel more supported and informed. You'll connect with others facing the same diagnosis through a secure digital platform.
Houston, TexasAges 18 years+ - NCT03941080Recruiting
Study gut bacteria changes in advanced colorectal cancer
This study looks at how gut bacteria (the microbiome) change during treatment for colorectal cancer that has spread or cannot be removed. Researchers hope the findings may help improve understanding of how treatment works and how to tailor care.
AssenAges 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 - 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+ - 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 - 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+ - NCT07524218Recruiting
Meal Timing During Cancer Treatment Recovery
This study looks at how the timing of meals during cancer treatment recovery affects how well you tolerate and respond to your therapy. Researchers want to learn whether eating during certain hours of the day might help your body handle chemotherapy, targeted drugs, or immunotherapy better.
Los Angeles, CaliforniaAges 18 years+ - NCT06758648Recruiting
Eye blood vessels in Fabry disease
This study looks at the tiny blood vessels in the eyes of people with Fabry disease using a special camera. It may help doctors understand how the disease affects the eyes over time.
München, BavariaAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,132 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.