BRIEF-Merck says psoriasis, HDL, Alzheimer's drug trials moving ahead

Fri Oct 26, 2012 9:05am EDT

Oct 26 (Reuters) - Merck & Co Inc : * Says to begin late-stage trials of psoriasis drug as soon as late this year * Says aims to complete trial of tredaptive hdl-raising drug by end of 2012,

present data in 2013 * Says aims to begin mid-stage trial this year of beta secretase inhibitor for

alzheimer's disease