This study will assess the efficacy of subsequent protease inhibitor (PI)-containing therapy in subjects who have acquired HIV-1 protease mutations whilst receiving a GW433908 (fosamprenavir)-containing regimen.
Name: No intervention; Observational study
There are 9 SNPs
Exclusion criteria: - Have 2 or more of the primary resistance mutations D30N, G48V, V82A/F/T/S and L90M. --- D30N ---
Exclusion criteria: - Have 2 or more of the primary resistance mutations D30N, G48V, V82A/F/T/S and L90M. --- D30N --- --- G48V ---
- Must be failing virologically (>1000 copies at two consecutive time-points) and have a screening genotype with evidence of at least one new APV-associated protease mutation: V32I (+/- I47V), I50V, I54L/M, I84V acquired since commencing treatment with GW433908. --- V32I --- --- I47V ---
- Must be failing virologically (>1000 copies at two consecutive time-points) and have a screening genotype with evidence of at least one new APV-associated protease mutation: V32I (+/- I47V), I50V, I54L/M, I84V acquired since commencing treatment with GW433908. --- V32I --- --- I47V --- --- I50V ---
- Must be failing virologically (>1000 copies at two consecutive time-points) and have a screening genotype with evidence of at least one new APV-associated protease mutation: V32I (+/- I47V), I50V, I54L/M, I84V acquired since commencing treatment with GW433908. --- V32I --- --- I47V --- --- I50V --- --- I54L ---
- Must be failing virologically (>1000 copies at two consecutive time-points) and have a screening genotype with evidence of at least one new APV-associated protease mutation: V32I (+/- I47V), I50V, I54L/M, I84V acquired since commencing treatment with GW433908. --- V32I --- --- I47V --- --- I50V --- --- I54L --- --- I84V ---
Exclusion criteria: - Have 2 or more of the primary resistance mutations D30N, G48V, V82A/F/T/S and L90M. --- D30N --- --- G48V --- --- V82A --- --- L90M ---
- Must be failing virologically (>1000 copies at two consecutive time-points) and have a screening genotype with evidence of at least one new APV-associated protease mutation: V32I (+/- I47V), I50V, I54L/M, I84V acquired since commencing treatment with GW433908. --- V32I ---
Exclusion criteria: - Have 2 or more of the primary resistance mutations D30N, G48V, V82A/F/T/S and L90M. --- D30N --- --- G48V --- --- V82A ---