What do systematic reviews say?

Mycophenolate mofetil vs azathioprine (AZA)

Mycophenolate mofetil (MMF) leads to lower graft loss, censored for death compared with azathioprine (AZA) (high certainty).

• Mycophenolic acid versus azathioprine as primary immunosuppression for kidney transplant recipients 2015 · Cochrane Headline outcomes only
  RR 0.78 [0.61, 0.98]
  17 studies · 2540 participants
  High