Embase
Number	Query	Results	Date
#5	#1 AND #2 AND #3 AND #4	157	April 22, 2020
#4	‘chronic kidney disease’/exp OR ‘chronic kidney disease’ OR ‘kidney injury’/exp OR ‘kidney injury’ OR ‘kidney failure’/exp OR ‘kidney failure’ OR ‘chronic kidney failure’/exp OR ‘chronic kidney failure’ OR ‘end-stage renal disease’/exp OR ‘end-stage renal disease’ OR ‘end stage renal disease’/exp OR ‘end-stage renal disease’ OR ‘dialysis’/exp OR dialysis OR ‘hemodialysis’/exp OR hemodialysis OR ‘peritoneal dialysis’/exp OR ‘peritoneal dialysis’	618,764	April 22, 2020
#3	‘omega 3 fatty acid’/exp OR ‘omega 3 fatty acid’ OR ‘omega-3 fatty acids’ OR ‘fish oil’/exp OR ‘fish oil’ OR ‘omega 3’/exp OR ‘omega 3’ OR ‘fatty acids’/exp OR ‘fatty acids’ OR ‘fatty acid’/exp OR ‘fatty acid’ OR ‘n-3 fatty acids’ OR ‘α-linolenic acid’ OR ‘polyunsaturated fatty acids’ OR ‘docosahexaenoic acid’/exp OR ‘docosahexaenoic acid’ OR ‘eicosapentaenoic acid’/exp OR ‘eicosapentaenoic acid’	695,758	April 22, 2020
#2	pruritus’/exp OR pruritus OR ‘pruritis’/exp OR pruritis OR itch* OR ‘xerosis’/exp OR xerosis OR ‘skin problems’ OR ‘skin disorders’ OR ‘skin diseases’/exp OR ‘skin diseases’	1,598,014	April 22, 2020
#1	uremic OR ‘uremia’/exp OR uremia OR uremias OR “atypical haemolytic uremic syndrome”	53,197	April 22, 2020