What do systematic reviews say?

d4T vs AZT

d4T showed no clear difference in virologic response compared with AZT (low certainty).

• Stavudine or zidovudine in three‐drug combination therapy for initial treatment of HIV infection in… 2010 · Cochrane Headline outcomes only
  RR 1.03 [0.88, 1.19]
  12 studies · 2157 participants
  Low