Plain-English translation of NCT03120481 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This is a research registry study that enrolls healthy volunteers to serve as a comparison group for researchers studying lung diseases like asthma, COPD, and lung cancer. You would provide basic health information, answer questions about your breathing, and let researchers use your health check-up results. This comparison group helps scientists understand what's different in people who actually have lung disease.
Researchers need healthy people to compare against patients with lung disease so they can better understand what causes these conditions and how to treat them. By building this registry of healthy participants, scientists can spot patterns and differences that might lead to better treatments.
You likely qualify if…
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You would visit Seoul National University Hospital's Healthcare System Gangnam Center for a one-time enrollment visit. You would complete a health questionnaire about any breathing issues, provide a blood sample, and allow the researchers to access your routine health check-up results. The study uses this information to build a database of healthy people that can be compared with patients who have respiratory diseases.
AI-generated summary from trial data · Jun 2, 2026 · Not medical advice
South Korea
Seoul National University Hospital
Enrollment target
~1,572 participants
Started
April 2017
Primary completion
February 2037
Age range
19 Years – 90 Years
Last updated on clinicaltrials.gov in April 2017.
Reach out to the team running this trial. Response times vary — some teams are faster than others.
Central contact
Chang-Hoon Lee, M.D.
Seoul National University Hospital
Tell us you're interested and we'll help connect you with the research team. We'll walk you through what to expect first — no email needed to get started.