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
- NCT00477100Recruiting
Breast cancer tissue and data registry for research
This trial helps create a research “tissue registry” by collecting breast cancer tissue samples and medical information. It may help doctors better understand inflammatory or invasive breast cancer and improve future studies.
Gilbert, ArizonaAges 18 years+ - NCT00260559Recruiting
Checks quality of life after esophagus surgery
This study looks at outcomes and quality of life after esophagus removal surgery, comparing minimally invasive surgery and open surgery. It may help doctors understand how different surgical approaches affect how you feel during recovery.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT01072825Recruiting
Study for adults with gender incongruence not on hormone therapy
This study focuses on adults (18+) who are transgender and have not started hormone treatment yet. It aims to better understand gender incongruence and support care planning.
GhentAges 18 years+ - NCT00991094Recruiting
Study follow-up after proton radiation treatment
This study collects information about both short-term and long-term side effects in people who receive proton radiation. It may help doctors better understand what happens to normal tissues over time and improve follow-up care.
Houston, TexasAges 18 years+
Hear when a new Questionnaire trial opens
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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.