Randomized Controlled Trial
Fentanyl buccal tablet for the relief of breakthrough pain in opioid-tolerant adult patients with chronic neuropathic pain: a multicenter, randomized, double-blind, placebo-controlled study.
Clin Ther. 2007 Apr 1;29(4):588-601.
Randomized Controlled Trial
A double-blind, multicenter trial comparing duloxetine with placebo in the treatment of fibromyalgia patients with or without major depressive disorder.
Arthritis Rheum. 2004 Sep 1;50(9):2974-84.
Randomized Controlled Trial
The efficacy of the AMPA receptor antagonist NS1209 and lidocaine in nerve injury pain: a randomized, double-blind, placebo-controlled, three-way crossover study.
Anesth. Analg. 2009 Apr 1;108(4):1311-9.