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NCT05380570Active, not recruiting

Epidemiological Study of Korean Radiation Workers

Health Effects Associated With Occupational Radiation Exposure Among Korean Radiation Workers (Korean Radiation Workers Study)

Source: ClinicalTrials.gov · Last updated 20 Apr 2026

Brief summary (registry, in English)

Health risks of radiation exposure in the moderate-to-high dose range have been well established. However, the risk remains unclear at low-dose ranges with protracted low-dose rate exposure, which is typical of occupational exposure. The purpose of this study is to construct a cohort of Korean radiation workers and to assess health effects associated with occupational radiation exposure. The study population is expected to be about 190,000 Korean radiation workers who have been registered with the Nuclear Safety and Security Commission since 1984. The national dose registry, the national cancer registry, the national vital statistics registry, and the national health insurance data are collected based on the Nuclear Safety Act. Through the linkage of those collected data, we will evaluate radiation-induced health risks including cancer and non-cancer diseases.

Status (registry)
Active, not recruiting
Study type
Observational
Enrollment
196379 (actual)
First submitted
9 May 2022
Start date
18 Nov 2021
Primary completion date
31 Dec 2022
Lead sponsor
Korea Institute of Radiological & Medical Sciences
NCT number
NCT05380570

What you commit to

  • Study type: Observational
  • Participants enrolled: 196379
  • From 18 Nov 2021 to the primary completion date, 31 Dec 2022
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study design.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other

  • Unidentified personal identification numbers
  • Foreigner

Who the study is looking for

  • Korean radiation workers in the national dose registry (except for diagnostic medical radiation workers)

Age in the registry: 16 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
Korea Institute of Radiological & Medical Sciences
Coordinator of this site? Confirm its status
SeoulSouth KoreaUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.