Zyprexa tabletter var mindst lige så effektive som sammenligningsmedicinen til behandling af skizofreni (haloperidol), behandling af moderate til svære maniske episoder (haloperidol og valproat) og forebyggelse af tilbagefald hos patienter med bipolar sygdom (lithium).
Zyprexa tablets were at least as effective as the medicines they were compared with for the treatment of schizophrenia (haloperidol), the treatment of moderate to severe manic episodes (haloperidol and valproate), and the prevention of recurrence in patients with bipolar disorder (lithium).