NERVOUS SYSTEM HEALTH

Pfizer's Lyrica shows no relief from post-traumatic nerve pain

A company logo is seen at a Pfizer office in Dublin, Ireland November 24, 2015. Pfizer Inc said on November 23 it would buy Botox maker Allergan Plc in a deal worth $160 billion to slash its U.S. tax bill, rekindling a fierce political debate over the financial maneuver.  REUTERS/Cathal McNaughton

A company logo is seen at a Pfizer office in Dublin, Ireland November 24, 2015. Pfizer Inc said on November 23 it would buy Botox maker Allergan Plc in a deal worth $160 billion to slash its U.S. tax bill, rekindling a fierce political debate over the financial maneuver. REUTERS/Cathal McNaughton  (Copyright Reuters 2015)

Pfizer Inc said its blockbuster pain drug, Lyrica, had failed to show benefit in patients suffering from a type of post-traumatic nerve pain, in a late-stage study.

The drug did not lead to pain reduction in patients compared with a placebo, the company said on Wednesday.

Currently, there is no approved treatment in the United States for post-traumatic neuropathic pain.

Lyrica, which generated $1.22 billion in sales in the third quarter, is already approved to treat nerve pain associated with diabetes, shingles, spinal cord injury and fibromyalgia.

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