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The Oncologist, Vol. 2, No. 3, 187-a–187, June 1997
© 1997 AlphaMed Press


SPECIAL FEATURE
BRIEF REPORT

HIV Infection: An Oncologic Model of Pathogenesis and Treatment

Martin Markowitz, M.D.

Aaron Diamond AIDS Research Center, 455 1st Avenue, 7th Floor, New York, NY 10016


    INSIGHTS INTO HIV REPLICATION IN MAN REVEAL THAT THERE ARE:
 Top
 Insights into HIV Replication...
 Therapeutic Implications:
 

{blacktriangleup} Rapid rounds of viral replication in vivo with large numbers of virions produced and cleared daily. This explains the prognostic power of the viral load measurement.
{blacktriangleup} Slower second phase of viral decay with the identification of viral compartments and pool sizes with varying rates of decay. Can HIV be eradicated with current therapeutic approaches?
{blacktriangleup} If not, are there viral compartments with slower rates of decay (i.e., CNS, testicular)?


    THERAPEUTIC IMPLICATIONS:
 Top
 Insights into HIV Replication...
 Therapeutic Implications:
 

{blacktriangleup} Rapid unchecked rounds of viral replication allows for the generation of genetic variants with reduced susceptibility to individual antiviral agents.
{blacktriangleup} Therapy with one or even two agents selects for the emergence of multidrug resistance.
{blacktriangleup} Combination antiviral therapy with three or four drugs has achieved prolonged aviremia as defined by plasma RNA and culture.
{blacktriangleup} Subjects with high viral loads and prolonged courses with exposure to multiple agents introduced sequentially do worse than those with lower viral loads, minimal drug exposure and perhaps earlier aggressive intervention.





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