Abstract:
:Mycophenolate mofetil (MMF), a therapeutically used inhibitor of inosine monophosphate dehydrogenase is hydrolyzed to its active metabolite mycophenolic acid (MPA) in vivo. MPA exhibits anti-HIV activity in vitro. We tested MPA alone and in combination with abacavir (ABC), didanosine (DDI), lamivudine (3TC) and tenofovir (TFV) against wild-type human immunodeficiency virus type-1 (HIV-1) and nucleoside reverse transcriptase inhibitor (NRTI)-resistant HIV-1. MPA (62.5-500 nM), when combined with ABC or DDI, synergistically enhanced activity against wild-type HIV and the NRTI-resistant HIV clone DRSM34. MPA also enhanced the activity of TFV against both wild-type HXB2 and TFV-resistant strain HIV(K65R), in a more than additive manner. No significant antiproliferative effect of MPA (< or =0.25 microM) alone or in the presence of ABC, DDI and TFV was observed. This indicates that the antiviral effects of MMF may be clinically achievable without fully blocking T-cell proliferation or inducing immunosuppression. These findings provide further rationale for the clinical testing of MMF in combination with ABC, DDI, and TFV.
journal_name
Antiviral Resjournal_title
Antiviral researchauthors
Hossain MM,Coull JJ,Drusano GL,Margolis DMdoi
10.1016/s0166-3542(02)00006-2subject
Has Abstractpub_date
2002-07-01 00:00:00pages
41-52issue
1eissn
0166-3542issn
1872-9096pii
S0166354202000062journal_volume
55pub_type
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