Table 2. ARV EC₅₀ values for inhibition of HIV-1 in different cell types.

	EC50 (µM) +/− SEa (µM)
ARV	SVG	PFA	PBMC	MDM
Abacavir	0.056±0.011	0.004±0.001	0.117±0.028	0.010±0.003
Lamivudine	1.448±0.204	0.317±0.055	0.315±0.107	0.036±0.059
Stavudine	0.578±0.189	5.963±0.622	0.179±0.061	0.042±0.046
Zidovudine	0.017±0.003	1.311±0.130	0.008±0.002	0.005±0.002
Efavirenz	0.002±0.000	0.002±0.000	0.001±0.000	0.001±0.000
Etravirine	0.001±0.000	0.001±0.000	0.001±0.000	0.001±0.000
Nevirapine	0.045±0.006	0.114±0.020	0.182±0.068	0.166±0.253
Raltegravir	0.004±0.001	0.007±0.001	0.003±0.001	0.016±0.010

^aMean 50% effective concentration±the standard error from n = 4 independent assays.

SVG, fetal astrocyte cell line; PFA, primary fetal astrocytes; PBMC, peripheral blood mononuclear cells; MDM, monocyte-derived macrophages.