deltatrials
Unknown PHASE4 NCT00311220

Use TST and QFT-RD1 Test to Monitor the Tuberculous Infection in Patients, Close Contact People and Health Care Workers

Phase IV Study of the Quantiferon-RD1 Test

Sponsor: Centers for Disease Control and Prevention

Conditions Elderly Latent Tuberculosis Tuberculosis Tuberculosis Contact
Interventions tuberculin for skin test
Updated 4 times since 2017 Last updated: Apr 3, 2006 Started: Jan 31, 2004 Completion: Nov 30, 2006

This PHASE4 trial investigates Elderly and Latent Tuberculosis and is currently ongoing. Centers for Disease Control and Prevention leads this study, which shows 4 recorded versions since 2004 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Change History

4 versions recorded

  1. Sep 2024 — Present [monthly]

    Unknown PHASE4

  2. Jul 2024 — Sep 2024 [monthly]

    Unknown PHASE4

    Status: Unknown Status → Unknown

  3. Jan 2021 — Jul 2024 [monthly]

    Unknown Status PHASE4

  4. Jan 2017 — Jan 2021 [monthly]

    Unknown Status PHASE4

    First recorded

Jan 2004

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Centers for Disease Control and Prevention
  • ChungHwa Veterans house
  • Taichung Veterans General Hospital
  • Taiwan Province Tau-Wein Hospital
Data source: Taichung Veterans General Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

  • • Taichung, China