Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,169 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06069115Recruiting
How radiation affects lung function in breast cancer patients
This study looks at how radiation therapy for breast cancer may affect your lungs over time. Researchers will measure lung function and see if problems develop, so they can better understand and protect patients.
Novosibirsk, Novosibirsk OblastAges 18 years+ - NCT06081036Recruiting
Normal brain volumes from fetal MRI scans
This study looks at past fetal MRI scans to create a map of normal brain growth in babies before birth. It may help doctors better understand what healthy brain development looks like.
MarseilleAges 5 months–9 months - NCT06081517Recruiting
Study of fairness in genetic cancer testing
This study looks at how well precision medicine (treatments based on your tumor's genes) is used for people with cancer. Researchers want to see if there are differences in who gets this kind of testing and treatment, so they can make it more fair for everyone.
Indianapolis, IndianaAges 18 years+ - NCT06084520Recruiting
Pain questionnaire study for opioid and non-opioid patients
This study tests two questionnaires for people with long-term pain. Researchers want to see if the tools work well for both those taking opioids and those who are not. Your answers can help improve pain care.
Uppsala, UpplandAges 18–75 - NCT06084572Recruiting
Study of pH-impedance tests for GERD diagnosis
This trial looks at how well a special test (pH-impedance) can diagnose GERD (acid reflux disease) when done correctly. It will use a new way to read the test results to see if it helps doctors classify GERD better.
AnderlechtAges 18–80 - NCT06089083Recruiting
Helping gynecologic cancer patients with frailty recover function
This study tests a program to help gynecologic cancer patients who are frail improve their physical function and quality of life during treatment. It aims to see if extra support can help you stay stronger and recover better.
San Francisco, CaliforniaAges 18 years+ - NCT06089850Recruiting
Emotional effects of stem cell donation on haploidentical donors
This study looks at the emotional and psychological impact on people who donate stem cells to a family member (a haploidentical donor). It aims to understand how the donation experience affects donors.
ParisAges 18 years+ - NCT06111417Recruiting
Rapid BRCA1/2 test for newly diagnosed breast cancer patients
This study tests a new ultra-rapid genetic test for BRCA1/2 mutations in people recently diagnosed with breast cancer. It aims to see if the faster result helps doctors and patients make treatment decisions sooner.
DijonAges 18 years+ - NCT06112964Recruiting
Brain and behavior changes in cancer-related weight loss
This study looks at changes in thinking, behavior, and brain structure that can happen when people with cancer lose weight and appetite (called cachexia). Researchers will use questionnaires and brain scans to understand these changes, which may help improve care for people with cancer.
CambridgeAges 18 years+ - NCT06123338RecruitingPhase 2
Pembrolizumab plus chemo and trastuzumab for HER2+ stomach cancer
This trial tests adding pembrolizumab to standard trastuzumab and chemotherapy for people with HER2-positive stomach or esophageal cancer that can be fully removed with surgery. The goal is to see if this combination improves outcomes before and after surgery.
Boston, MassachusettsAges 18 years+ - NCT06127719Recruiting
Surgery wait time and knee replacement quality of life
This study looks at how waiting for knee replacement surgery affects your quality of life. It may help doctors understand how to improve care for people waiting for surgery.
Hoorn, North HollandAges 18–100 - NCT06132321Recruiting
Quality of life after vulvar reconstruction surgery
This study looks at how surgery to reconstruct the vulva after cancer removal affects your quality of life. If you are having vulvar cancer surgery, you may be eligible to share your experience through surveys.
RomeAges Any age - NCT06132685RecruitingPhase 2
Dexamethasone dosing after brain tumor surgery
This trial tests how to best use dexamethasone (a steroid) after brain tumor surgery to help recovery and reduce swelling. It looks at different dosing schedules for patients with common brain tumors.
Atlanta, GeorgiaAges 18 years+ - NCT06138522Recruiting
How Teens View Changes in PTSD Therapy
This study talks with traumatized teens and their therapists to understand how their therapy changes over time. It aims to improve care for young people with PTSD.
Paris, IDFAges 12 years+ - NCT06145581Recruiting
Remote health coaching for older myeloma patients with fatigue
This study tests whether remote monitoring and health coaching can improve quality of life in older adults with multiple myeloma who are experiencing fatigue. You'll use a tablet or smartphone to track symptoms and get support from a coach.
Rochester, MinnesotaAges 65 years+ - NCT06153836RecruitingPhase 2
Restoring nipple sensation after mastectomy
This trial is testing a surgical technique to reconnect nerves in the nipple and areola after a mastectomy, aiming to restore feeling. It is for women with breast cancer who are having a nipple-sparing mastectomy with implant reconstruction.
Jacksonville, FloridaAges 18 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 - NCT06168123Recruiting
Future care for aortic stenosis
This research study is a registry that collects information about people with aortic stenosis, a condition where a heart valve becomes narrow. The goal is to learn more about how this condition is managed and to improve future care.
NieuwegeinAges 18–110 - NCT06171139Recruiting
Genetic counseling tool for Black men with prostate cancer
This study tests a new tool to help Black or African American men with prostate cancer understand genetic testing options. The goal is to improve counseling and decision-making about tumor genetic testing.
San Francisco, CaliforniaAges 18 years+ - NCT06186830Recruiting
Questionnaire for jaw and face pain
This study tests a special questionnaire (BETY-BQ) to see how well it measures the impact of jaw and face pain in people with temporomandibular disorders. It helps doctors better understand your symptoms and guide treatment.
Karabük, Karabük ProvinceAges 18–64 - NCT06187467Recruiting
Understanding balance and walking after a first stroke
This study tracks how balance and walking change over time after a first stroke, using simple tests and wearable sensors. It may help find better ways to help you recover your ability to walk safely.
Singapore, SingaporeAges 21–85 - NCT06193083Recruiting
Deprescribing views of patients with advanced cancer
This study asks patients with advanced cancer about their thoughts on stopping medications that may no longer be needed or could be harmful. It aims to understand patient perspectives to improve care.
La Roche-sur-YonAges 18 years+ - NCT06195306RecruitingPhase 2
Low dose tamoxifen and omega-3 for breast cancer prevention
This study tests whether low-dose tamoxifen (a breast cancer prevention drug) or omega-3 supplements can lower breast cancer risk in postmenopausal women who are overweight and have a higher chance of getting the disease. The study lasts about 6 months and involves blood draws and a breast fluid test to see how the treatment affects breast cells.
Kansas City, KansasAges 45–74 - NCT06196008Recruiting
Exercise coaching for older adults having lung cancer surgery and their caregivers
This study tests if a telephone-based physical activity coach helps older adults (65+) recover better after lung cancer surgery compared to self-monitored activity. Caregivers can also join to learn how to support their loved one and improve their own well-being.
Davis, CaliforniaAges 18 years+
Hear when a new Questionnaire trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,169 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.