ABCDEFGHIJK
1Main
2Brand NameMK-524A, MK-524B (fixed combo of 524A with Zocor)
3Generic Namelaropiprant
4MechanismMK-524A: fixed combo of niacin XR with inhibitor of niacin flush pathway (prostaglandin D2 blocker). DP-1 selective inhibitor.
5Economics100%
6Clinical Trials
7HPS2-THRIVE: 20,000 patient study to begin in 2006 - 6/7/2006 - Completed Enrollment 5/2010 outcome study. Expect 20% increase in HDL.
8Niaspan 1gNiaspan 2gTricor 145mgMK-524ALipitor/CTEP
9LDL0.070.160.2141-60%10/2008 - >15k
10HDL0.140.220.1120-25%53-66%
11Tg0.160.380.2925-30%18-31%
12
13
141% of statin patients are on niacin because of flushing. Patients still flush with -0524, just less.
1558% of patients on niacin are already on a statin
167.4% discontinued due to flushing vs 12.4% for extended-release niacin, p=0.002.
17
18Phase II ERN+0524 vs ERN alone.
19n=272 vs 72 vs 68 placebo.
2010% had flushing days vs 35% for ERN alone and 1% for placebo. This decreased to 1%, 15% and 1% in week 8.
21CK (creatine kinase) elevation of 10x ULN was 2.6% vs 1.4% for ERN alone and 1.5% for placebo. This is a biomarker of muscle injury.