Table 1. Antiretroviral Drugs in Clinical Development, 1999

PIs* NRTIs NNRTIs Fusion Inhibitors Integrase Inhibitors

ABT-378 emtricitabine (FTC) emivirine (MKC-442) T-20 zintevir (AR 177)
L-756,423 PMPA GW420867X AMD-3100
tipranavir (PNU-140690) lodenosine (F-ddA) AG 1549 (S-1153) FP-21399
AG 1776 (JE 2147, KNI 764) dOTC (BCH-10652) calanolide A PRO 542
BMS 232632 PZT (Phosphazid) DMP 961
DMP-450 DMP 963
DG 17/35

*These new protease inhibitors were discussed in the May issue of ACC.