Key claims
  • Potentially effective as add-on therapy in the long-term management of patients with bipolar disorder.
  • Potentially effective as add-on therapy to promote weight loss. 

GSK counterclaims

  • There are no controlled data to support the use of topiramate. 
  • Numerous failed/negative bipolar studies have been conducted by the sponsor (Janssen). 
  • Topiramate is not registered for use in bipolar disorder.

Supporting data