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- Trial Did Not Achieve Superiority to Placebo at All 12 Time Points-
- Diurnal IOP Reduction of 4.25mmHg at Three Months with Trabodenoson 6% Once-a-day Dose, Statistically Superior to Placebo -
- Safety and Tolerability Similar to Placebo-
- Conference Call Scheduled for
“We are disappointed that the primary endpoint of superiority at all 12
time points was not achieved,” commented
The primary endpoint of the MATrX-1 trial was the IOP reduction of trabodenoson
compared to that of placebo on Days 28, 42 and 84 and at four time
points during each of these days:
The 6%/2000 mcg QD dose of trabodenoson was statistically superior to placebo at Days 84, 42, 14 and marginally superior at Day 28. The daily IOP reduction from diurnal baseline at three months for this dose was 4.25 mmHg compared to 2.38 mmHg for placebo, and 5.29 mmHg for the timolol 0.5% twice daily control arm. The normal response observed with the timolol control arm supports that the trial was properly conducted.
There were no significant safety or tolerability events reported. The safety profile of trabodenoson was comparable to placebo. Notably, there was minimal drug related hyperemia. Only 4 subjects (2.2%) discontinued the trial due to a treatment-related adverse event.
“The results of the MATrX-1 trial demonstrate that trabodenoson,
operating through a novel mechanism of action, actively lowers IOP with
a tolerability profile that, remarkably, was similar to that observed in
the placebo arm,” commented
Southwell commented, “Looking ahead, 2017 is an important year for the trabodenoson development program. We will wait for the full results from MATrX-1 to better understand the behavior of the placebo arm. We look forward to the results of the FDC Phase 2 trial, which is substantially enrolled and for which we expect to report top-line data mid-year.”
MATrX-1 Phase 3 Trial Design
MATrX-1 was a Phase 3 randomized, double-masked, placebo-controlled trial of trabodenoson in 303 subjects diagnosed with POAG or OHT. MATrX-1 assessed the efficacy, safety and tolerability of trabodenoson over three months of treatment. The primary endpoint was reduction of IOP as compared to the placebo treatment arm. In addition, the study contained a timolol 0.5% arm to validate the sensitivity of the patient population and serve as an internal control. IOP was measured at four time points during the day:
Conference Call Information
Inotek will host a conference call and webcast today,
An archive of today’s conference call will be available shortly after the conclusion of the call and accessed by dialing (855) 859-2056 in the U.S. or (404) 537-3406 outside of the U.S. and referencing the Conference ID: 46680576, or by visiting Inotek’s website. The audio replay will be available for two weeks following the call and the webcast for thirty days.
Inotek Pharmaceuticals is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of therapies for glaucoma and other eye diseases. The Company’s lead product candidate, trabodenoson, is a first-in-class selective adenosine mimetic currently in Phase 3 development. Trabodenoson was developed in Inotek’s laboratories and is designed to restore the eye’s natural pressure control mechanism. Additionally, the Company is evaluating the potential for selective adenosine mimetics to address optic neuropathies and other degenerative retinal diseases. For more information, please visit www.inotekpharma.com. The inclusion of our website address here and elsewhere in this press release does not include or incorporate by reference the information on our website into this press release.
Various statements in this release concerning Inotek’s future expectations, plans and prospects, including without limitation, Inotek’s expectations regarding the use of trabodenoson and its fixed-dose combination (FDC) program with latanoprost as treatments for POAG or OHT, Inotek’s expectations regarding reporting top-line data of its Phase 2 trial for its FDC, Inotek’s expectations with respect to the timing and success of its clinical studies and pre-clinical studies for trabodenoson, its FDC, orphan diseases, and the possibility of selective adenosine mimetics to address optic neuropathies and other degenerative retinal diseases, may constitute forward-looking statements for the purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995 and other federal securities laws and are subject to substantial risks, uncertainties and assumptions. You should not place reliance on these forward looking statements, which often include words such as "believe," "expect," "anticipate," "intend," "plan," "will give," "estimate," "seek," "will," "may" "suggest" or similar terms, variations of such terms or the negative of those terms. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, the Company cannot guarantee such outcomes. Actual results may differ materially from those indicated by these forward-looking statements as a result of various important factors, including, without limitation, Inotek’s ability to successfully demonstrate the efficacy and safety of trabodenoson, its FDC program, its pre-clinical studies for orphan diseases, or selective adenosine mimetics to address optic neuropathies and other degenerative retinal diseases, the pre-clinical and clinical results for its product candidates, which may not support further development and marketing approval, the potential advantages of Inotek’s product candidates, actions of regulatory agencies, which may affect the initiation, timing and progress of pre-clinical studies and clinical trials of its product candidates, Inotek’s ability to obtain, maintain and protect its intellectual property, Inotek’s ability to enforce its patents against infringers and defend its patent portfolio against challenges from third parties, the timing, cost or other aspects of a potential commercial launch of Inotek’s product candidates and potential future sales of our current product candidates or any other potential products if any are approved for marketing, competition from others developing products for similar uses, Inotek’s ability to manage operating expenses, Inotek’s ability to obtain additional funding to support its business activities and establish and maintain strategic business alliances and new business initiatives, Inotek’s dependence on third parties for development, manufacture, marketing, sales and distribution of product candidates, the outcome of litigation, and unexpected expenditures, as well as those risks more fully discussed in the section entitled “Risk Factors” in Inotek’s most recent Quarterly Report on Form 10-Q filed with the
1Raber S, Mandema JW, Li H, Nickens D. A Model-Based Dose-Response Meta-Analysis of Ocular Hypotensive Agents as a Drug Development Tool to Evaluate New Therapies in Glaucoma. J Ocul Pharmacol Ther. 2015; 31:189-97
Claudine Prowse, PhD, 781-552-4305
Vice President, Strategy and IRO
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