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Brief Report: Apparent Antiretroviral Overadherence by Pill Count is Associated With HIV Treatment Failure in Adolescents

Overview
Journal J Acquir Immune Defic Syndr
Specialty Infectious Diseases
Date 2016 Mar 19
PMID 26990822
Citations 28
Authors
Harriet Okatch
Kaylin Beiter
Jessica Eby
Jennifer Chapman
Tafireyi Marukutira
Ontibile Tshume
Mogomotsi Matshaba
Gabriel M Anabwani
Robert Gross
Elizabeth Lowenthal
Affiliations
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Abstract

Pill counts with calculated adherence percentages are used in many settings to monitor adherence, but can be undermined by patients discarding pills to hide nonadherence. Pill counts suggesting that >100% of prescribed doses were taken can signal "pill dumping." We defined "overadherence" among a cohort of 300 HIV-infected adolescents as having greater than one-third of pill counts with >100% adherence during a year of follow-up. Apparent overadherence was more common in those with virologic failure than in those with suppressed viral loads (33% vs 13%, χ(2) P = 0.001). Pill count adherence repeatedly >100% may identify HIV-infected adolescents at increased risk of treatment failure.

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