HIV-Associated Neurocognitive Disorder (HAND) and the Prospect of Brain-Penetrating Protease Inhibitors for Antiretroviral Treatment

Main Article Content

Arun K. Ghosh Anindya Sarkar Hiroaki Mitsuya

Abstract

The advent of combined antiretroviral therapy (cART) has dramatically improved HIV management and patient care of HIV-infected individuals. The cART regimen resulted in a significant reduction of HIV/AIDS-related mortality and greatly improved life expectancies of those patients with access to cART. However, among many HIV-related complications, neurocognitive dysfunction, known as HIV-associated neurocognitive disorder (HAND), has now been a major issue.  While the cART regimen has been effective in reduction of HAND in many patients, the prevalence of HAND is increasing as HIV/AIDS patients live longer.  HIV infection and its subsequent manifestation of HAND is complex.   It is evident that the brain can serve as a sanctuary for HIV replication and HAND can remain in patients even with cART treatment due to poor blood-brain barrier permeability of the majority of current antiretroviral agents. Conceivably, cART needs to have improved central nervous system (CNS) penetration properties for effective treatment and possible prevention of HAND.  Therefore, design and development of new antiretroviral agents that can penetrate into the CNS effectively, could block HIV replication and significantly reduce the viral load in the CNS. This may prevent HAND and related symptoms. HIV protease inhibitors (PIs) are a critical component of cART.  Over the years, we have designed and synthesized a range of highly potent and novel PIs including the FDA approved drug, darunavir, which has been used as a first-line treatment.   In an effort to improve CNS penetration, we have been involved in the design and development of potent PIs with improved in vitro brain penetration properties. Herein we provide a brief review that covers insights and discussion of HAND and our work on PI development to ameliorate HIV-associated neurocognitive disorders.

Article Details

How to Cite
GHOSH, Arun K.; SARKAR, Anindya; MITSUYA, Hiroaki. HIV-Associated Neurocognitive Disorder (HAND) and the Prospect of Brain-Penetrating Protease Inhibitors for Antiretroviral Treatment. Medical Research Archives, [S.l.], v. 5, n. 4, apr. 2017. ISSN 2375-1924. Available at: <https://esmed.org/MRA/mra/article/view/1113>. Date accessed: 16 apr. 2024.
Section
Review Articles

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