Q1. What have the authors contributed in "Quarter-dose quadruple combination therapy for initial treatment of hypertension – a proof-of-concept placebo-controlled crossover randomized trial" ?
The authors examine whether using ultra-low dose quadruple combination therapy provides an 37 approach with greater efficacy and tolerability. The authors conducted a systematic review of trials evaluating the efficacy and safety of quarter39 standard dose BP-lowering therapy against placebo and a randomised, placebo-controlled, double-blind, 40 cross-over trial of a ‘ quadpill ’: a single capsule containing four BP-lowering medicines each at quarter41 dose ( irbesartan 37. Further examination of the quadpill concept is needed to examine effectiveness 58 against usual treatment options and longer term tolerability.