Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,164 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07402889Enrolling by invitation
Testing a physical activity questionnaire in Lithuanian adults
This study checks if a physical activity questionnaire works well in Lithuanian. It involves filling out forms and isn't a treatment trial.
KaunasAges 1.5 years+ - 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 - 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+ - 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 - NCT06227962Enrolling by invitation
Thinking and quality of life in retinoblastoma survivors
This study looks at how retinoblastoma and its treatment affect thinking skills and quality of life over time. It may help doctors better support survivors and their families.
Amsterdam, North HollandAges 6 months–35 years - NCT03010150Recruiting
Blood tests and swallowing exercise check-ins for head and neck cancer
This study looks at whether giving swallowing exercises and checking in with questionnaires can help people with metastatic (spreading to neck lymph nodes) head and neck cancers do the exercises correctly. It also uses blood tests to better understand adherence and progress over time.
Houston, TexasAges 18 years+ - NCT05702645Recruiting
Down syndrome long-term study after leukemia treatment
This study follows children and young adults with Down syndrome who have survived acute leukemia (ALL or AML) to learn about their longer-term health after treatment ends. It may help families and doctors understand what health problems to watch for and how to provide better follow-up care.
Birmingham, AlabamaAges 6–39 - NCT06958328RecruitingPhase 3
Higher dose radiation for locally advanced pancreatic cancer
This trial tests whether giving a higher dose of radiation to the pancreas is safe and effective for people with locally advanced pancreatic cancer who have already had chemotherapy without progression.
Gilbert, ArizonaAges 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+ - NCT04684368RecruitingPhase 2
New treatment study for children and young adults with NGGCT brain tumors
This Phase 2 study tests a new treatment approach for certain brain tumors called NGGCT in children and young adults. It may help improve outcomes by targeting tumors in specific brain locations and using tumor marker tests to guide care.
Birmingham, AlabamaAges 3–29 - NCT05235165RecruitingPhase 3
Surgery choice for lung spread of osteosarcoma
This Phase 3 trial compares two ways to remove lung metastases (open surgery vs keyhole surgery) in people with osteosarcoma. It aims to see which approach works better and is safer for patients with a limited number of lung spots that can be removed.
Birmingham, AlabamaAges Up to 50 years - NCT06368817RecruitingPhase 2
Lower radiation dose for children with CNS germinoma
This trial will see if giving a lower dose of radiation therapy can still effectively treat children and young adults with a type of brain tumor called germinoma. The goal is to reduce side effects while keeping the cancer under control.
Mobile, AlabamaAges 3–29 - NCT07579195RecruitingPhase 1/Phase 2
Consolidation therapy after EV + pembro in bladder cancer
This trial tests whether adding radiation therapy or bladder-removal surgery (consolidation) after EV + pembrolizumab helps control muscle-invasive bladder cancer that has spread. It is for people whose cancer responded to the initial drug combination.
Seattle, WashingtonAges 18 years+ - NCT07781267Recruiting
Long-term outcomes of congenital adrenal hyperplasia
This study looks at the long-term experiences of adults with classic congenital adrenal hyperplasia (CAH), a condition affecting hormone production. It aims to understand patient satisfaction and health outcomes over time.
LilleAges 18–65 - NCT06096844RecruitingPhase 3
Chemo plus immunotherapy vs immunotherapy alone for older adults with advanced lung cancer
This trial compares chemotherapy combined with immunotherapy to immunotherapy alone for adults 70 and older with advanced non-small cell lung cancer that has a specific protein level (PD-L1 1-49%). It aims to find which treatment works better for this group.
Fayetteville, ArkansasAges 70 years+ - NCT06226818Recruiting
Support for women experiencing sexual or domestic violence
This trial compares two types of care—women's centers versus traditional health centers—to see which better supports the mental and physical health of women who have faced sexual or domestic violence. It aims to find the best way to help women heal.
DijonAges 18 years+ - NCT06498635RecruitingPhase 3
Immunotherapy after surgery for lung cancer with no remaining cancer
This trial tests whether giving immunotherapy (durvalumab) after surgery can help prevent lung cancer from coming back if you already had a complete response to chemo and immunotherapy before surgery. It is for people with early-stage non-small cell lung cancer who had no cancer left after treatment.
Jonesboro, ArkansasAges 18 years+ - NCT07225855Recruiting
Support for older adults with head and neck cancer and their caregivers
This trial tests whether a special geriatric assessment (a check-up for older adults) and extra support can help people aged 60+ with head and neck cancer feel better during chemotherapy and radiation. It also looks at how this helps their family or friend caregivers.
Duarte, CaliforniaAges 18 years+ - NCT07582172RecruitingPhase 2
Stem Cell Transplant for Hard-to-Treat Blood Cancers in Older Adults
This trial tests a new combination of radiation and chemotherapy to prepare your body for a stem cell transplant from a matched donor. It's designed for older patients with acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS) that hasn't responded well to standard treatments.
Duarte, CaliforniaAges 18 years+ - NCT07191717RecruitingPhase 2
Imlunestrant and abemaciclib for early ER+ breast cancer
This trial tests whether adding two targeted drugs, imlunestrant and abemaciclib, to your usual hormone therapy can lower the chance of your breast cancer coming back. It is for people with early-stage ER+ breast cancer who have no signs of cancer on scans but have tiny amounts of tumor DNA in their blood (called ctDNA).
Los Angeles, CaliforniaAges 18 years+ - NCT04567771Recruiting
Proton vs IMRT radiation after surgery for uterine or cervical cancer
This study compares two types of radiation therapy (proton and IMRT) given after surgery for endometrial or cervical cancer. It aims to see which treatment is better at reducing side effects while still being effective.
Scottsdale, ArizonaAges 18 years+ - NCT04775355Recruiting
Track urine and gut changes during prostate cancer treatment
This study looks at how your urine and gut (intestine) microbes change while you undergo prostate cancer treatments, including hormone therapy (androgen deprivation) and/or radiation. The goal is to better understand these biological changes, which may help improve future treatment planning.
Duarte, CaliforniaAges 18 years+ - NCT04423211RecruitingPhase 3
Surgery-recovered prostate cancer treated with PET-guided radiation
This trial tests whether adding targeted radiation guided by a PET scan (along with hormone therapy) can improve outcomes for prostate cancer that has come back after surgery. The PET scan helps doctors look for spots outside the usual radiation area so treatment can be tailored.
Anchorage, AlaskaAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,164 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.