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J Clin Virol. 2001 Feb;20(3):131-5.

The anti-HIV-1 activity of chloroquine.

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1
Department of Clinical Immunology, Mount Sinai School of Medicine, New York, NY, USA.

Abstract

BACKGROUND:

there is a dramatic need for drugs with anti-HIV-1 activity that are affordable for resource-poor countries. Chloroquine (CQ) is one such drug.

OBJECTIVES:

to review the data indicating that CQ has anti-HIV-1 activity.

RESULTS:

chloroquine (CQ) and its derivative hydroxychloroquine (HCQ) are endowed with a broad anti-HIV-1 activity inhibiting X4, R5, and X4/R5 stains in lymphocytic and monocytic cells. Interestingly, CQ is capable of inhibiting HIV-1 replication at concentrations within the range reported in plasma of individuals chronically treated with doses of the drug which have well-known and limited toxicity. These effects have been confirmed in vivo in two clinical trials. The principal mechanism of HIV-1 inhibition by CQ seems to be an effect on gp120 on a post-transcriptional level. Because CQ and HCQ appear to have a novel site of action (i.e. post-transcriptional inhibition of gp120), these drugs may be particularly useful in combination with other anti-retroviral agents (e.g. ZDV, ddI and HU).

CONCLUSION:

combining these drugs with other anti-HIV-1 agents, especially HU and ddI, may be an interesting option for the treatment for HIV-1 infected individuals in the developing world.

PMID:
11166661
[Indexed for MEDLINE]
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