Using the Food and Drug Administration´s Sentinel System for surveillance of TB infection
METHODS: Using administrative claims data, we identified patients who filled standard LTBI treatment prescriptions during 2008–2019. In these cohorts, we assessed LTBI testing, clinical management, and treatment duration.
RESULTS: Among 113,338 patients who filled LTBI prescriptions, 80% (90,377) received isoniazid (INH) only, 19% (21,235) rifampin (RIF) only, and 2% (1,726) INH + rifapentine (RPT). By regimen, the proportion of patients with documented prior testing for TBI was 79%, 54%, and 91%, respectively. Median therapy duration was 84 days (IQR 35–84) for the 3-month once-weekly INH + RPT regimen, 60 days (IQR 30–100) for the 6- to 9-month INH regimen, and 30 days (IQR 2–60) for the 4-month RIF regimen.
CONCLUSIONS: Among the cohorts, INH-only was the most commonly prescribed LTBI treatment. Most persons who filled a prescription for LTBI treatment did not have evidence of completing recommended treatment duration. These data further support preferential use of shorter-course regimens such as INH + RPT.
Keywords: administrative claims data; prescription-based cohort, LTBI; treatment completion
Document Type: Research Article
Affiliations: 1: Surveillance, Epidemiology, and Outbreak Investigations Branch, Division of Tuberculosis Elimination, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA 2: Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA 3: Office of Surveillance and Epidemiology, Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, USA
Publication date: December 1, 2022
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