More Positive Test Results For Plymouth Firm’s Cholesterol Drug

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PLYMOUTH (WWJ) – Esperion Therapeutics Inc. (Nasdaq: ESPR) Tuesday announced positive results from a Phase 2a study of its drug candidate ETC-1002 when added to statin therapy in patients with high levels of low density lipoprotein cholesterol, the so-called bad cholesterol, in their blood.

The study showed taking one dose of ETC-1002 a day orally lowered LDL-C levels 22 percent in eight weeks, compared to zero reduction in the placebo group, when added to a 10-mg dose of atorvastatin. (That’s considered a low dose of atorvastatin, which goes by the brand name Lipitor.)

ETC-1002 was well tolerated over eight weeks of treatment when added to a statin and no serious adverse events were reported.

“Since a 10 mg dose of atorvastatin provides 30 to 35 percent LDL-C lowering, the addition of ETC-1002 could potentially provide LDL-C lowering of greater than 55 percent with an oral dosing regimen,” said Esperion chairman and chief scientific officer Roger Newton. “While statin therapy remains the standard of care for high cholesterol, it is estimated that 11 million Americans are still unable to reach their LDL-C treatment goals despite taking a statin.”

Added Esperion president and CEO Tim Mayleben: “This study answered important questions about the safety, tolerability and efficacy of ETC-1002 as an add-on to statin therapy. We are now in a position to build on these positive results with a robust, parallel-dose design Phase 2b study to establish further the potential of ETC-1002 to provide incremental LDL-C lowering for patients already taking a statin and not at their LDL-C goal.”

The ETC-1002-007 study was a randomized, double-blind, placebo-controlled, multicenter, Phase 2a study to evaluate the safety and tolerability of ETC-1002 when added to 10 mg of atorvastatin and assess the effect of ETC-1002 on the pharmacokinetics of atorvastatin in patients with high cholesterol. Secondary objectives were to assess the effect of ETC-1002 on LDL-C and other cardiometabolic risk factors when added to atorvastatin. Fifty-eight patients with hypercholesterolemia were washed out of any lipid regulating therapies prior to a four week run-in period on 10 mg atorvastatin (mean baseline LDL-C levels of 106 mg/dL at week 0 prior to randomization). Forty-two of these patients were randomized to receive ETC-1002 plus 10 mg atorvastatin. All ETC-1002 treated patients received escalating daily doses of 60, 120, 180 and 240 mg ETC-1002, each over a two week period, for a total of eight weeks. Sixteen patients received placebo plus 10 mg atorvastatin also for eight weeks.

Adverse events were generally mild and no SAEs were observed in either the ETC-1002 or placebo groups. Thirty-nine out of 42 ETC-1002 treated patients (93 percent) and 14 out of 16 placebo treated patients (88 percent) completed eight weeks of treatment. Two patients in the ETC-1002 plus atorvastatin group withdrew from the study due to AEs. One patient had an elevated liver enzyme laboratory finding that resolved when ETC-1002 and atorvastatin were discontinued. The other patient’s AE was unrelated to ETC-1002. There was a weak pharmacokinetic interaction of ETC-1002 with atorvastatin. ETC-1002 treated patients achieved incremental LDL-C lowering of 22 percent at eight weeks, compared with 0 percent in the placebo group, when added to 10 mg of atorvastatin (p<0.0001).

Statins are the standard of care for LDL-C lowering treatment today and are highly effective at lowering LDL-C. The benefits of using statins to lower LDL-C levels and improve cardiovascular outcomes are well documented. However, a significant number of patients are unable to tolerate statins due to the side effects, primarily muscle pain or weakness. Based on data from the USAGE survey, as published in the Journal of Clinical Lipidology in 2012, we estimate that more than 2 million adults in the U.S. are statin intolerant. Additionally, many patients are unable to reach their LDL-C goal on statin therapy alone. The Centers for Disease Control and Prevention estimates that there are approximately 11 million patients in the U.S. who are currently on lipid-lowering therapy but are unable to achieve their LDL-C treatment goal. These patients remain at elevated risk for cardiovascular disease.

To listen to a replay of a conference call of Esperion management discussing these test results, call (855) 859-2056 in the United States or (404) 537-3406 elsewhere, using access code 28976349. The replay will be available through Sept. 17.

Esperion Therapeutics is developing therapies for the treatment of patients with elevated LDL-C and who are at risk from other cardiometabolic risk factors. ETC-1002, Esperion’s lead product candidate, is a unique, orally available, once-daily small molecule designed to lower levels of LDL-C and to avoid side effects associated with existing LDL-C-lowering therapies. ETC-1002 is targeted for statin intolerant patients with elevated levels of LDL-C. For more information, visit http://www.esperion.com.

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