A Study on Persistence of Macrocytosis after Discontinuation of Zidovudine in HIV-Infected Cohort Patients

Document Type

Poster

Publication Date

2015

Abstract

• There are several causes of macrocytosis, such as vitamin B12 or folic acid deficiency, alcoholism, drug-induced conditions such as hydroxyurea, and certain HIV medications such as zidovudine (AZT).

• The mean corpuscular volume (MCV) increased by a mean 3% at week 4, and 14% at 12 weeks after starting AZT. Macrocytosis (MCV >100 fl, normal 79 – 98fL) was present in 78% - 88% in HIV-infected patients treated with AZT.

• There is limited literature on duration of persistence of macrocytosis after AZT is discontinued.

• This study aims to characterize the duration and causes of persistent macrocytosis after discontinuation of AZT.


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