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| Methods | Parallel, 3‐arm RCT |
| Participants | Patients with peripheral diabetic neuropathy for at least 6 months duration, an average pain score ≥ 4 (on an 11‐point, Likert‐like NRS; 0 = “no pain” to 10 = “worst possible pain”) over a 7‐day baseline period |
| Interventions | Amitriptyline Pregabalin Placebo Flexibly dosed depending upon tolerance |
| Outcomes | Pain intensity 50% pain relief |
| Notes | Unable to ascertain blinding |
