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Flex Pharma Positive Human NLC Study Selected for Late-Breaking Presentation at AAN Annual Meeting

-- Oral Presentation and Poster of Study Results on April 19, 2016 --

BOSTON--(BUSINESS WIRE)--Mar. 14, 2016-- Flex Pharma, Inc. (NASDAQ: FLKS) announced today that the recently completed study in nocturnal leg cramps (NLC) has been selected for late-breaking oral and poster presentations at the American Academy of Neurology (AAN) 68th Annual Meeting being held in Vancouver, B.C., Canada. Only 14 abstracts are selected as late-breaking presentations at the AAN annual meeting. Flex Pharma is a biotechnology company developing innovative and proprietary treatments for NLC, cramps and spasms associated with severe neuromuscular conditions, and exercise-associated muscle cramps. Details from the study, titled “Orally-administered TRPV1 and TRPA1 activators reduce Night Leg Cramps in a randomized, blinded, placebo-controlled, crossover human trial,” will be presented on Tuesday, April 19, 2016, during the Emerging Science Session at 6:21 p.m. PDT, followed by a poster presentation from 6:30-7:15pm PDT.

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On February 2, 2016, the Company announced that its extract formulation demonstrated efficacy in treating subjects with NLC in a randomized, controlled, blinded study. Statistically significant effects (p<0.05) were demonstrated on key endpoints: muscle cramp frequency; cramp-free days; the physician-rated Clinical Global Impression of Change (CGI-C); specific sleep disturbance measures; and specific pain measures. Additionally, the product appeared to be safe and well-tolerated and there were no serious adverse events reported. The magnitude of efficacy in this study on reduction in muscle cramps appears similar to published quinine efficacy studies. Quinine, the only therapeutic intervention for leg cramps with randomized, controlled, blinded study support for efficacy, is associated with serious adverse events and was banned for the treatment of leg cramps by the FDA.

The Company estimates that NLC affects four million Americans nightly; there is no approved therapeutic in the United States to treat this condition. The randomized, blinded, controlled, crossover study evaluated 50 healthy subjects (50-77 years of age) who experienced nocturnal leg cramps at least four nights per week. After an initial placebo run-in period, the subjects were randomized to either control or study product for two weeks. Subjects were then crossed over to the other treatment for another two-week period so that each subject acted as his or her own control.

Flex Pharma plans to initiate its next study in nocturnal leg cramps later this year with a single molecule, selective and specific transient receptor potential (TRP) ion channel agonist. Additionally, studies in MS and ALS with its drug candidate, FLX-787, are expected to initiate outside the U.S. this year.

About Flex Pharma

Flex Pharma, Inc. is a biotechnology company that is developing innovative and proprietary treatments for nocturnal leg cramps, cramps and spasms associated with severe neuromuscular conditions such as ALS and MS, and exercise-associated muscle cramps. Flex Pharma was founded by National Academy of Science members Rod MacKinnon, M.D. (2003 Nobel Laureate), and Bruce Bean, Ph.D., recognized leaders in the fields of ion channels and neurobiology, along with Chair and CEO Christoph Westphal, M.D., Ph.D.

Cautionary Note on Forward-Looking Statements

This press release contains forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. We may, in some cases, use terms such as “predicts,” “believes,” “potential,” “proposed,” “continue,” “estimates,” “anticipates,” “expects,” “plans,” “intends,” “may,” “could,” “might,” “will,” “should” or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. Forward-looking statements include statements regarding our intentions, beliefs, projections, outlook, analyses or current expectations concerning, among other things: our expectations regarding future studies of our current product candidates, including the success and timing of these studies; our beliefs regarding the potential benefits of our current product candidates; and expectations regarding the number of individuals that may suffer from nocturnal leg cramps. These forward-looking statements are based on management’s expectations and assumptions as of the date of this press release and are subject to numerous risks and uncertainties, which could cause actual results to differ materially from those expressed or implied by such statements. These risks and uncertainties include, without limitation: the status, timing, costs, results and interpretations of our clinical studies; the uncertainties inherent in conducting clinical studies, including receiving regulatory approval to conduct these studies; the fact that we rely on third parties to manufacture and conduct the clinical studies of our product candidates, which could delay or limit future development or regulatory approval; results from ongoing and planned preclinical development; expectations of our ability to make regulatory filings and obtain and maintain regulatory approvals; our ability to develop and commercialize our consumer product; anticipated positioning and product attributes of our consumer product; results of early clinical studies as indicative of results of future trials; the inherent uncertainties associated with intellectual property; and other factors discussed in greater detail under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2015 and subsequent filings with the Securities and Exchange Commission (SEC). You are encouraged to read Flex Pharma’s filings with the SEC, available at www.sec.gov, for a discussion of these and other risks and uncertainties. Any forward-looking statements that we make in this press release speak only as of the date of this press release. We assume no obligation to update our forward-looking statements whether as a result of new information, future events or otherwise, after the date of this press release.

Source: Flex Pharma, Inc.

Flex Pharma, Inc.
Elizabeth Woo, 617-874-1829
SVP, Investor Relations & Corporate Communications
irdept@flex-pharma.com