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
- NCT06773234Recruiting
Dental learning environment study
This trial is a survey for dental students at Beni-Suef University to evaluate their learning environment. If you are a student there, your feedback could help improve the program.
Banī SuwayfAges Any age - NCT07477873Enrolling by invitation
Emotions and jaw surgery recovery study
This study looks at how patients feel emotionally and physically before and after jaw surgery. It uses special software and questionnaires to track emotions, and checks the jaw joint and muscles after surgery. The goal is to see how these relate to recovery in patients having planned jaw surgery.
Kaunas, KaunoAges 18 years+ - NCT07474090Recruiting
Personalized Exercise Program for Breast Cancer Survivors
This study tests whether a personalized exercise program during chemotherapy helps breast cancer survivors recover better and feel stronger. You'll use a smartphone app to do guided workouts at home while getting support from exercise coaches.
Winston-Salem, North CarolinaAges 18–85 - NCT06786949Recruiting
Night shift work and breast cancer risk study
This study looks at whether working night shifts is linked to breast cancer in female health workers. It aims to understand if there is a higher risk for those who work nights.
BolognaAges 20–70 - NCT07468903Recruiting
Focal radiation for prostate cancer with HDR brachytherapy
This trial tests a targeted radiation treatment called HDR brachytherapy for prostate cancer that hasn't spread. It aims to treat only the cancer spots seen on MRI, which may reduce side effects.
Los Angeles, CaliforniaAges 40 years+ - NCT07468864Recruiting
Turkish vertigo questionnaire study
This study tests a questionnaire for people who feel dizzy in certain visual or busy environments. It helps researchers see if the Turkish version of the test works well.
Bağcılar, GüneşliAges 18 years+ - NCT07469345Enrolling by invitation
Teeth Grinding and Pelvic Pain in Young Men
This study looks at how teeth grinding (bruxism) is linked to pelvic pain, erectile function, and anxiety in young adult men. It aims to understand if these issues are connected, which could help develop better treatments.
KonyaAges 18–30 - NCT07467499Recruiting
How leisure activities affect quality of life in low back pain
This study looks at how your hobbies and free-time activities might improve your quality of life if you have long-term low back pain (pain that lasts 12 weeks or more). You will answer questionnaires about your daily life and what you enjoy doing.
BrusselsAges 18 years+ - NCT07469566Recruiting
Studying the natural course of 7q11.23 microduplication syndrome
This study follows people with a rare genetic condition called 7q11.23 microduplication over time to understand how it affects development, learning, and health. Participants will have interviews, thinking and memory tests, and an MRI brain scan.
BronAges 5–50 - NCT07469007Recruiting
How surgery for deep endometriosis affects egg supply
This trial looks at how surgery for deep endometriosis behind the uterus affects a woman's egg supply (ovarian reserve). It is for women with severe deep endometriosis but without large ovarian cysts or previous surgery for this condition.
Quint-FonsegrivesAges 18–39 - NCT07463274Enrolling by invitation
Simulation training for managing numbing medicine toxicity in surgical residents
This trial tests a simulation training program to help surgical residents (non-anesthesiologists) recognize and manage a rare but serious reaction to numbing medicine called local anesthetic systemic toxicity. Participation involves a team practice session to improve emergency readiness.
KonyaAges 18–40 - NCT06792604Recruiting
Methylation test for anal cancer screening
This study is testing a new way to screen for anal cancer by looking at DNA methylation in cells collected from the anus. It may help people at higher risk for anal cancer find out earlier if they need further tests.
Paris, Île-de-France RegionAges 18 years+ - NCT07456852RecruitingPhase 1/Phase 2
Can vasodilators help with chemo side effects in GI cancer?
This trial tests two drugs (isosorbide mononitrate and diltiazem) to see if they can prevent blood vessel damage caused by chemotherapy drugs like 5-FU or capecitabine in people with gastrointestinal cancers.
Rochester, MinnesotaAges 18 years+ - NCT07455942Recruiting
Understanding why anal cancer diagnosis is delayed
This study looks at the reasons and delays in diagnosing anal cancer. It aims to help doctors detect it earlier in the future.
AngersAges 18 years+ - NCT07460752RecruitingPhase 2
Alternative injection site for goserelin in breast cancer patients
This trial is testing whether giving the drug goserelin in a different spot on the body works just as well for suppressing ovarian function in premenopausal women with hormone receptor positive breast cancer. You may be a fit if you've already been on goserelin shots in your abdomen for at least 6 months.
Rochester, MinnesotaAges 18–50 - NCT06478030Recruiting
Combined screening for stomach and bowel cancer
This study is testing a combined screening method for finding cancer in the stomach and intestines at an early stage. It is for people in Zhejiang Province who are willing to be screened and followed over time.
Jinhua, ZhejiangAges 40–74 - 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 - NCT06800911Recruiting
Metacognitive beliefs in obesity
This study explores how thinking patterns and beliefs about one's own thoughts may be linked to obesity. It aims to understand the role of metacognition in people with severe obesity.
Oggebbio, VerbaniaAges 18–65 - NCT07452458RecruitingPhase 3
Pulsed vs standard radiation for newly diagnosed glioblastoma
This trial tests a new way of giving radiation therapy (pulsed) compared to standard radiation for people with a specific type of glioblastoma (IDH wildtype, MGMT unmethylated). The goal is to see if the pulsed approach helps with thinking and memory while still treating the tumor.
Irvine, CaliforniaAges 18 years+ - NCT07453524Recruiting
Understanding what matters to people with chronic pain
This study asks people with chronic pain about their preferences and experiences. Your answers will help doctors understand what matters most to patients like you.
BrusselsAges 18 years+ - NCT07446192Recruiting
Brain scan study for medication-resistant tremor
This study uses a special brain scan (MEG) to understand tremor that hasn't improved with at least two medications. It may help doctors find better treatments for people with essential tremor or similar conditions.
Gainesville, FloridaAges 50–84 - NCT07439276Recruiting
Social thinking in kids with neurodevelopmental disorders
This study looks at how children and teens with autism or ADHD understand social situations. It uses games and tasks to measure social thinking skills, which may help doctors better support these kids.
ParisAges 8–16 - NCT07443514Recruiting
Thinking and memory in people with DLBCL
This study looks at how thinking and memory may be affected in people newly diagnosed with a type of lymphoma called diffuse large B-cell lymphoma (DLBCL) who are about to start a common chemotherapy regimen known as R-CHOP. It also includes a comparison group of healthy relatives. The goal is to understand how treatment may affect cognitive function over time.
LjubljanaAges 18 years+ - NCT07437924Enrolling by invitation
Bruxism and pelvic floor health in young women
This study looks at whether teeth grinding (bruxism) is linked to pelvic floor muscle function in young women. If you are 18–30 and either grind your teeth or do not, you may help researchers understand this connection.
KonyaAges 18–30
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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.