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Antiretroviral Resistance Testing Interpretation Guidelines



Resistance testing has become the standard of care as part of an overall strategy for evaluating and treating treatment failures.  It has a growing role in planning initial therapy for patients who have a higher risk of harboring a resistant strain of HIV.  Certainly resistance testing is an incredibly useful epidemiological tool for determining the prevalence of resistant HIV in communities where resistant HIV may be transmitted from person to person.


Recent DHHS guidelines suggest resistance testing before beginning therapy in both new infections and chronic infections.


Resistance testing is available in at least two distinct forms as discussed under Laboratory Evaluation of HIV.


There is also basic resistance information discussed in each drug section and summary (NRTI, NNRTI, PI, FI)


In the meantime you may also consult the following resistance resources on the web:




Updated 6.26.2005