The Phase 2 study will assess the safety and efficacy of Longeveron's stem cell treatment under Japan's accelerated regulatory pathway for regenerative medicine.

MIAMI, June 1, 2020 /PRNewswire/ --Longeveron LLC announced today that Japan's Pharmaceutical and Medical Devices Agency (PMDA) (the Japanese agency akin to the United States' Food & Drug Administration) approved a Clinical Trial Notification (CTN) application (akin to an Investigational New Drug Application or "IND" in the US regulatory system), approving the initiation of a Phase 2 clinical trial evaluating the safety and efficacy of Longeveron's Mesenchymal Stem Cells (LMSCs) for the treatment of Aging Frailty in Japanese patients. This is another key milestone for Longeveron's Aging Frailty program, which includes two ongoing Phase 2 clinical trials in the U.S.

"We are extremely pleased to achieve this significant milestone," said Geoff Green, President of Longeveron."This study is designed to determine whether the transplant of donor-derived mesenchymal stem cells can improve healthspan in mild to moderately frail patients, thereby improving functionality and potentially lowering their risk of disability, and dependence on others for care."

Aging Frailty is a common, but reversible, life-threatening geriatric condition affecting millions of Japanese over the age of 65.Frail individuals are vulnerable to adverse health outcomes compared to their age-matched peers despite sharing similar comorbidities and demographics.Clinically, frailty manifests as a combination of symptoms that may include loss of muscle and decreased strength, slowed walking (sarcopenia), lower activity and energy levels, poor endurance, nutritional deficiencies, weight loss and fatigue.Collectively, these lead to overall decline in functionality, and increased risk of disability, dependency, and death.

"The biology of frailty is complex, and includes diminished stem cell activity, reduced ability to repair and regenerate tissue, and immunosenescence (deterioration of the immune system) and chronic systemic inflammation," said Dr. Anthony Oliva, Senior Scientist at Longeveron. "LMSCs have multiple mechanisms of action that can potentially address all of these issues, and thus make them extremely attractive as a therapeutic candidate for the unmet medical need of Aging Frailty."

The planned study is an investigator-initiated, randomized, double-blind, placebo-controlled design,and will be conducted at Juntendo University Hospital (Tokyo) and Japan's National Center for Geriatrics and Gerontology (NCGG) in Nagoya.The study's Principal Investigator, Dr. Hidenori Arai, President of the NCGG, commented that "Japan has one of the oldest and fastest aging societies in the world, with nearly 30% of Japan's citizens over the age of 65.Preventing and reversing functional decline associated with frailty is one of the nation's top priorities, and Longeveron's regenerative medicine approach is an exciting and innovative potential therapeutic option.With the disproportionate infection and mortality rate of older people with COVID-19 and Influenza infection, it is critically important to rapidly test treatments that may be effective."

In Japan, the "Pharmaceutical and Medical Device Act" and the "Act on the Safety of Regenerative Medicine" came into effect in 2014. Under this system, a "Time-limited Conditional Approval" option exists, which allows a manufacturer to conditionally sell regenerative medicine products while proceeding with its Phase 3 clinical trial.

Longeveron's Aging Frailty Research Program

Longeveron sponsors the most extensive and advanced Aging Frailty clinical research program in the world, with more than 200 patients treated with LMSCs worldwide.In the U.S., two clinical trials are currently ongoing:

About LMSCs

Longeveron Allogeneic Mesenchymal Stem Cells (LMSCs) is a regenerative medicine product sourced from the bone marrow of young healthy adult donors.LMSCs are culture expanded under the FDA's current good manufacturing practices (cGMP) to high standards, and maintained as individual "off-the-shelf" doses.

About Longeveron LLC

Longeveron (www.longeveron.com) is a regenerative medicine therapy company founded in 2014. Longeveron's mission is to provide biological solutions for aging-related diseases and life-threatening conditions, and is dedicated to developing safe and effective cell-based therapeutics for unmet medical needs such as Aging Frailty, the Metabolic Syndrome, Alzheimer's Disease, Acute Respiratory Distress Syndrome (ARDS) from COVID-19 infection, and congenital heart defects in children (hypoplastic left heart syndrome).

For information please contact:

Paul Lehr, JDplehr@longeveron.com305-338-6257

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Longeveron Announces Japanese Approval of Clinical Trial for Treatment of Aging Frailty With Longeveron's Stem Cells - Yahoo Finance

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