Few Drugs Effective in Treating Neuropathy Pain

Cymbalta and some other anti-depressants are moderately effective at relieving diabetic nerve pain, according to a new report by the Agency for Healthcare Research and Quality (AHRQ).

But researchers found little or no evidence that opioids, Lyrica, Neurontin and other widely prescribed medications are helpful in treating neuropathy pain.

Nearly 26 million Americans have diabetes and about half have some form of neuropathy, according to the American Diabetes Association.

Diabetic peripheral neuropathy causes nerves to send out abnormal signals. Patients can feel stinging or burning pain, as well as loss of feeling, in their toes, feet, legs, hands and arms.

“Providing pain relief for neuropathy is crucial to managing this complicated disease,” said lead author Julie Waldfogel, PharmD, of The Johns Hopkins Hospital in Baltimore.

“Unfortunately, more research is still needed, as the current treatments have substantial risk of side effects, and few studies have been done on the long-term effects of these drugs.”

In a systematic review of over 100 clinical studies published in the journal Neurology, AHRQ researchers found moderate evidence that the SNRI antidepressants duloxetine (Cymbalta) and venlaxine (Effexor) were effective in reducing neuropathic pain. Nausea, dizziness and somnolence were common side effects of the drugs.

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