Methods	Randomised, double-blind, placebo-controlled, cross-over, not enriched. No imputation method mentioned Titration to maximum tolerated dose or 2400 mg daily over 1 week, then stable dose for 5 weeks (6 weeks total); 1-week washout, then cross-over
Participants	Established phantom limb pain ≥ 6 months, N = 19, mean age 56 years, 21% women. PI before treatment > 3/10, initial pain score 6.4/10 14 completed both treatment periods
Interventions	Gabapentin 2400 mg daily (max) Placebo Paracetamol + codeine 500 mg/30mg (max 12 tablets daily) allowed as rescue medication. Stable, low doses of TCAs continued
Outcomes	No dichotomous efficacy data Adverse events
Notes	Oxford Quality Score: R = 2, DB = 2, W = 1, Total = 5
Risk of bias
Item	Authors’ judgement	Description
Allocation concealment?	Unclear	Not described - but probably OK - remote
Blinding? All outcomes	Yes	“identical, coded medication bottles containing identical tablets of gabapentin or placebo”
Incomplete outcome data addressed? Efficacy	Unclear	No imputation mentioned
Size Efficacy	No	19 randomised
Study duration Efficacy	Unclear	6 weeks each period
Outcomes reported	No	No dichotomous data