Razazian 2015.

Methods	Study design: crossover RCT
Participants	Aged > 15 years
Interventions	Treatment group 1 Capsules of gabapentin 200 mg after every HD for 4 weeks, 2 hours before sleep Treatment group 2 Tablet of levodopa‐C 110 mg nightly 2 hours before sleep for 4 weeks
Outcomes	Severity of RLS Severity of sleep disorder QOL Day time sleepiness Drug adverse reaction
Notes	Some study data no longer accessible (figures and tables)

CGI ‐ Clinical Global Impressions; CKD ‐ chronic kidney disease; CVD ‐ cardiovascular disease; DBP ‐ diastolic blood pressure; ESKD ‐ end‐stage kidney disease; HD ‐ haemodialysis; IRLSSG ‐ International Restless Legs Syndrome Study Group Rating Scale; PD ‐ peritoneal dialysis; PLMI ‐ periodic limb movements index; PLMSAI ‐ Periodic Limb Movement During Sleep Arousal Index; PSQI ‐ Pittsburgh Sleep Quality Index; QOL ‐ quality of life; RCT ‐ randomised controlled trial; RLS ‐ restless legs syndrome; RLS‐6 ‐ Restless Legs‐6 Rating Scale; RLS‐QOL ‐ Restless Legs‐Quality of Life SBP ‐ systolic blood pressure