Prospective Comparison of the Tuberculin Skin Test and Interferon-Gamma Release Assays in Diagnosing Infection With Mycobacterium Tuberculosis and in Predicting Progression to Tuberculosis
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Christine Ho, MD
Centers for Disease Control and Prevention
Principal Investigator - Dolly Katz, PhD
Centers for Disease Control and Prevention
Principal Investigator - Thara Venkatappa, PhD
Centers for Disease Control and Prevention
Principal Investigator
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
10 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Maricopa County Department of Public Health
Phoenix, Arizona, United States
- California Department of Public Health
Richmond, California, United States
- Denver Health and Hospitals Authority
Denver, Colorado, United States
- University of Florida Board of Trustees
Gainesville, Florida, United States
- Emory University
Atlanta, Georgia, United States
- Hawaii Department of Health
Honolulu, Hawaii, United States
- Maryland Department of Public Health
Baltimore, Maryland, United States
- Duke University
Durham, North Carolina, United States
- University of North Texas Health Science Center
Fort Worth, Texas, United States
- Public Health Seattle-King County
Seattle, Washington, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 31 Oct 2012
- Primary completion
- 31 Dec 2020
- Completion
- 31 Dec 2020
- Last update posted
- 28 Jan 2021
- Registered enrollment
- 21,334
- Registry id
- NCT01622140
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.