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Avenue Therapeutics Announces Presentation of IV Tramadol E-Posters
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April 23, 2020

NEW YORK, April 23, 2020 (GLOBE NEWSWIRE) -- Avenue Therapeutics, Inc. (NASDAQ: ATXI) (“Avenue”), a company focused on the development of intravenous (“IV”) tramadol for the U.S. market, today announced that two e-posters highlighting efficacy and safety results from its Phase 3 program are available for online viewing from the cancelled Annual Regional Anesthesiology and Acute Pain Medicine Meeting hosted by the American Society of Regional Anesthesia and Pain Medicine (“ASRA”). The meeting was originally scheduled to take place April 23-25, 2020 in San Francisco, CA and was cancelled due to COVID-19 concerns.

The e-poster (816) titled “Intravenous Tramadol is Effective in Management of Postoperative Pain Following Abdominoplasty: A 3-arm Randomized Controlled Trial” presents data from the Phase 3 abdominoplasty study and can be found here.

This Phase 3, multicenter, double-blind, placebo and active controlled trial evaluated the efficacy and safety of IV tramadol in 370 patients following abdominoplasty surgery. Patients were randomized to a postoperative regimen of IV tramadol 50 mg, placebo or IV morphine 4 mg. The primary endpoint of the study assessed the analgesic efficacy of IV tramadol compared to placebo as measured by SPID24 (sum of pain intensity differences through 24 hours post first dose). The key secondary endpoints included SPID48 (sum of pain intensity differences through 48 hours post first dose), total consumption of rescue medicine and Patient Global Assessment. IV tramadol 50 mg was statistically significantly superior to placebo for the primary efficacy endpoint and all three key secondary efficacy endpoints. In addition, IV tramadol demonstrated a similar efficacy profile to that of IV morphine 4 mg, a standard-of-care active comparator in this study. Topline results from this study were announced in June 2019.

The e-poster (1001) titled “IV tramadol – A New Treatment Option for Management of Post-Operative Pain: A Safety Trial Including Various Types of Surgery”, presents data from the Phase 3 safety study and can be found here.

The Phase 3 safety study was a single-arm open label study that enrolled patients undergoing a range of surgical procedures including both orthopedic and soft tissue surgeries. IV tramadol 50 mg was administered at Hours 0, 2, 4, and every 4 hours thereafter for up to 7 days of treatment. Patients were allowed to use non-opioid medications per treating physicians’ discretion if additional pain relief was needed. While efficacy was not a primary objective of the study, patient satisfaction with treatment was measured with Patient Global Assessment.

IV tramadol 50 mg was well tolerated in this real-world trial, with only 4% of patients discontinuing for adverse events. The most commonly observed adverse events were nausea and vomiting, which is consistent with known tramadol pharmacology. At the end of treatment, 95% of patients reported that study medication was good, very good, or excellent for controlling pain. No patients discontinued the study due to a lack of efficacy.

“The results of these two studies indicate that IV tramadol may become a useful option in patients where exposure to conventional opioids is not desired,” said Harold Minkowitz, M.D., an anesthesiologist at Memorial Hermann Memorial City Medical Center in Houston, TX. “IV tramadol, with its dual mechanisms of action, may fill a gap between IV non-opioid medicine and conventional opioids. The availability of IV tramadol as an alternative to conventional opioid analgesics should be a valuable option for U.S. clinicians who treat pain in the hospital setting.”

About Avenue Therapeutics
Avenue Therapeutics is a specialty pharmaceutical company whose mission is to develop IV tramadol, a potential alternative that could reduce the use of conventional opioids, for patients suffering from acute pain in the U.S. Avenue is headquartered in New York City and was founded by Fortress Biotech, Inc. (NASDAQ: FBIO). For more information, visit www.avenuetx.com.