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Front Biosci. 2008 Jan 1;13:1605-9.

Nelfinavir monotherapy increases naïve T-cell numbers in HIV-negative healthy young adults.

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1
Division of Infectious Diseases, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.

Abstract

Although patients treated with HIV protease inhibitor (PI) containing regimens manifest increases in naïve T cell number, it is unclear whether this is due to reduction in viral replication or a direct drug effect. We questioned whether Nelfinavir monotherapy directly impacted naïve T-cell number in HIV-negative individuals. HIV-negative volunteers received Nelfinavir, 1250 mg orally, BID for 3 weeks, and T-cell receptor recombination excision circles (TREC) content in peripheral blood were assessed. Whereas TREC copies did not change over 3 weeks in untreated controls, TREC copies/copies CCR5 increased following Nelfinavir monotherapy in 8 patients (p < 0.02), and did not change in 7 patients (p = NS). Those patients who responded were younger than those who did not with a median age of 55 years for responders and 71 years for non-responders (p < 0.03). The increase in TREC was most pronounced in those patients less than 40-years old (p < 0.01). Moreover, the patients who did not increase TREC levels were more likely to have suffered a medical illness previously shown to reduce thymic function. In HIV-negative patients, monotherapy with the HIV PI Nelfinavir for 21 days increases TREC-positive naïve T cell number, particularly in individuals who are healthy and young.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00346619.

PMID:
17981652
PMCID:
PMC3152945
[Indexed for MEDLINE]
Free PMC Article
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