What do systematic reviews say?

Streptokinase vs urokinase

Streptokinase showed no clear difference in serious adverse events compared with urokinase (low certainty).

• Intra‐pleural fibrinolytic therapy versus placebo, or a different fibrinolytic agent, in the treatment of adult… 2019 · Cochrane Headline outcomes only
  OR 5.43 [0.25, 118.96]
  1 study · 50 participants
  Low