# The Epidemiology of TST Change in Korea

> **NCT01850043** · — · COMPLETED · sponsor: **Asan Medical Center** · enrollment: 5552 (actual)

## Conditions studied

- Tuberculosis
- Latent Tuberculosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01850043
- **Lead sponsor:** Asan Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2005-05
- **Primary completion:** 2012-05
- **Final completion:** 2012-05
- **Target enrollment:** 5552 (ACTUAL)
- **Last updated:** 2013-12-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01850043

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01850043, "The Epidemiology of TST Change in Korea". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01850043. Licensed CC0.

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