Pfizer Inc. announced that it has stopped a Phase 3 clinical trial of Lyrica ( pregabalin ) in patients with neuropathic pain associated with HIV neuropathy, a form of nerve damage characterized by burning pain usually beginning in the feet.

Pfizer Inc. announced that a Phase 3 randomized withdrawal design study for Lyrica ( pregabalin ) in patients with inadequately treated painful diabetic peripheral neuropathy ( pDPN ) did not meet its primary efficacy endpoint.