In a multicentre, double-blind, 12-week factorial study, Pelzont 1000 mg/ 20 mg co-administered with simvastatin, when compared with simvastatin alone or Pelzont 1000 mg/ 20 mg alone, for 4 weeks, significantly lowered LDL-C (-44.2%, -37.4%, -8.2% respectively), TG (-25.8%, -15.7%, -18.7% respectively), TC (-27.9%, -25.8%, -4.9% respectively) and significantly increased HDL-C (19.2%, 4.2%, 12.5% respectively).