Cerenis Reports Top-Line Phase II Results for its HDL Mimetic CER-001
TOULOUSE, France and ANN ARBOR, Michigan, 2 January 2014 – Cerenis Therapeutics, the biopharmaceutical company, today announced that its Phase IIb CHI-SQUARE (Can HDL Infusions Significantly Quicken Atherosclerosis REgression?) study did not reach its primary endpoint in post-Acute Coronary Syndrome (ACS) patients.
The Phase IIb efficacy and safety trial randomized 507 patients with ACS at 53 centers in the US, Canada, France and The Netherlands. The trial, conducted by Principal Investigator Jean-Claude Tardif, MD, FRCPC, FACC of the Montreal Heart Institute, was a double-blind, randomized, placebo-controlled dose-ranging study to assess the efficacy of CER-001 at three doses to regress coronary atherosclerotic plaque as measured by intravascular ultrasound (IVUS). CHI SQUARE is the largest clinical trial to-date testing an HDL mimetic.
Cerenis reported that CER-001 demonstrated a dose-dependent mobilization of cholesterol in post-ACS patients with a potency consistent with the prior Phase I study in healthy volunteers. The study did not meet its primary endpoint of reducing Total Atheroma Volume (TAV) versus placebo in the modified Intention to Treat (mITT) population (n= 417). The reduction in the Total Atheroma Volume versus baseline as measured by IVUS was statistically significant.
In an independent and blinded analysis performed by Stephen Nicholls, MBBS, PhD, FACC of the South Australian Health & Medical Research Institute (SAHMRI), the reduction in TAV versus baseline in the mITT population (n= 369) was also statistically significant but did not reach statistical significance when compared with placebo for the primary clinical endpoint. In the modified Per Protocol (mPP) population (n=295), one CER-001 dose level did reach nominal statistical significance versus placebo for reductions in both TAV and PAV (Percent Atheroma Volume). Cerenis anticipates that the full CHI SQUARE results will be presented at an upcoming international scientific meeting and will be published expeditiously.
Dr. Tardif commented, “I look forward to the publication of the study results in a scientific journal.”
Dr. Nicholls added, “The apparent demonstration of benefit at one dose level versus placebo in our analysis is encouraging. CER-001 warrants further study in clinical trials to evaluate its potential benefits for patients with cardiovascular disease.”
John F. Paolini, MD, PhD, FACC, Chief Medical Officer of Cerenis, said, “While we are disappointed that the primary end point in CHI-SQUARE was not met, the magnitude of the reduction in TAV versus baseline is consistent with what had been seen in the prior IVUS trial with the earlier-generation HDL-mimetic ETC-216 (apoA-Imilano) reported by Esperion in 2003. Furthermore, we are pleased with the demonstrated safety profile seen in all studies performed thus far.”
Jean-Louis Dasseux, PhD, MBA, and CEO of Cerenis, concluded: “In all preclinical and clinical studies to date, CER-001 has been shown to perform the functions of natural HDL and the steps of the Reverse Lipid Transport Pathway with a high degree of potency. We are undertaking a detailed review of all the data to further understand these results and to determine the best path forward for CER-001. We remain confident that CER-001 has the potential to be demonstrated to be a clinically valuable pre-beta HDL mimetic, and that CER-001 will be shown to offer an important benefit for patients suffering from cardiovascular disease.”
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