Fig. 1.

Trial profile. Subjects may have met more than one criterion for exclusion. Of 584 not meeting eligibility criteria, 190 did not meet requirements for neuropathic pain assessment; 71 did not meet the required duration of PTNP; 69 did not meet pain diary criteria prior to randomization; 65 were unwilling/unable to comply with study procedures; 44 had exclusionary pain conditions; 43 did not have the implicated peripheral nerve identified; 34 had other exclusionary NeP conditions; 34 had creatinine clearance ≤ 60 mL/min; and 22 were taking prohibited medications