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Longeveron Inc. (LGVN)

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  • Longeveron Announces Successful Completion of Phase I/II Clinical Study of Lomecel-B Infusion in Aging Frailty Subjects to Improve Immune Response Following Influenza Vaccination
    GlobeNewswire

    Longeveron Announces Successful Completion of Phase I/II Clinical Study of Lomecel-B Infusion in Aging Frailty Subjects to Improve Immune Response Following Influenza Vaccination

    Study intended to evaluate safety, and potential immunomodulatory effect of Lomecel-B on aging-associated decline in antibody response to vaccines in vulnerable population. Trial funded in part by a grant from Maryland Technology Development Corporation (TEDCO) and the National Institute on Aging (NIA) of the National Institutes of Health (NIH) Top-line data expected in Q3 2021 MIAMI, April 15, 2021 (GLOBE NEWSWIRE) -- Longeveron Inc. (NASDAQ: LGVN) ("Longeveron" or "Company"), a clinical stage biotechnology company developing cellular therapies for chronic, aging-related and life-threatening conditions, announced today the completion of the Company’s Phase I/II clinical study of the use of Lomecel-B to improve immune response to influenza (“flu”) vaccine in subjects with Aging Frailty. Lomecel-B is an allogeneic, bone marrow-derived medicinal signaling cell (MSC) product manufactured under current good manufacturing practices (cGMP) by Longeveron. The two-phase, multicenter, randomized, double-blinded, placebo-controlled study was conducted at 7 hospitals and clinics throughout Florida and Maryland, and was supported in part by a grant from Maryland Stem Cell Research Fund (MSCRF) under the Maryland Technology Development Corporation (TEDCO) and the National Institute on Aging (NIA). It is well established that an aging immune system is less effective at producing protective antibodies following vaccination, and this reduced immune response contributes to the aging process in general (referred to as “inflammaging” by geriatricians). People with aging frailty are more prone to inflammaging and are more likely to have greater susceptibility to infectious diseases and reduced responses to vaccination. Although commercially available vaccines against influenza provide protection and likely lasting immunological memory in children and adults, they are much less effective in older and frail individuals. Lomecel-B has the potential to reduce inflammation associated with Aging Frailty, and to promote an anti-inflammatory state by releasing anti-inflammatory molecules, which can balance the immune system and improve the function of B lymphocytes. As B cells are responsible for antibody production in response to vaccines, Lomecel-B may boost antibody generation and immunity following vaccination in subjects with Aging Frailty. It is anticipated that the top-line trial results will be announced in the 3rd quarter of 2021. In the open-label Phase I trial, elderly subjects considered to be mild-to-moderately frail per the Clinical Frailty Scale were randomized to receive a single peripheral intravenous (i.v.) infusion of Lomecel-B either one week or four weeks before administration of the flu vaccine to evaluate whether timing of administration of Lomecel-B relative to the vaccine resulted in a significant difference in immune response. Based on the phase 1 results, administration of Lomecel-B one week in advance of flu vaccination was selected for the Phase II randomized, placebo-controlled trial. In Phase II, a total of 39 subjects were enrolled and treated, with 20 receiving placebo and 19 receiving Lomecel-B. The primary objectives of the study were to assess safety, and efficacy of Lomecel-B to improve response to flu vaccine through measurement of serum antibodies. Additional efficacy measures include assessments of physical strength and endurance, quality-of-life (QOL) and activities of daily living (ADL) assessments, cognitive function, and blood-based biomarkers. “Completion of this clinical study to investigate Lomecel-B as a new therapeutic approach to boost immune response serves as an important initial step to meet the critical unmet medical need for those with Aging Frailty, who often respond poorly to vaccines,” said Sean Leng, MD, PhD, Professor of Medicine, Molecular Microbiology and Immunology at Johns Hopkins University School of Medicine and Bloomberg School of Public Health and the study’s principal investigator. “This is an important milestone in Longeveron’s overall Aging Frailty research program and commitment to finding biological solutions for aging. The Longeveron clinical trial spectrum includes our Phase 2b Aging Frailty study that completed in February, our Phase 2 Japanese Aging Frailty study which we intend to initiate this year, and our Aging Frailty Treatment Registry Trial in Nassau, Bahamas,” stated Geoff Green, CEO of Longeveron. “From the inception of Longeveron, we have focused our efforts on using a regenerative medicine approach to treat chronic, aging-related diseases and conditions, such as frailty and Alzheimer’s disease, with the goal of improving healthspan.” About Aging Frailty Aging Frailty is a life-threatening geriatric condition affecting approximately 15% of Americans over the age of 65, or 8.1 million individuals. Aging Frailty patients are vulnerable to poor clinical outcomes compared to their age-matched peers despite sharing similar comorbidities and demographics, and therefore it is considered by some as an extreme form of unsuccessful aging. Clinically, frailty manifests as a combination of symptoms and signs that include loss of muscle and decreased strength, slowed walking, low physical activity and energy levels, poor endurance, nutritional deficiencies, weight loss and fatigue. Aging Frailty is also associated with chronic low-level inflammation that also impairs the function of the immune system. Individuals with Aging Frailty have decreased reserves and a reduced ability to cope with minor illnesses or stressors that would normally have minimal impact, such as an infection or a fall. As a result, the individual may be more likely to be hospitalized, need long term care or die. Inflammation can contribute to the physical decline in Aging Frailty through multiple mechanisms, including detrimental effects on muscles, bone tissue, the immune system, cardiovascular function, and cognition. A consequence of the impaired immune function (i.e. B lymphocytes) in frail individuals is a significantly reduced ability to effectively produce antibodies and generate immunity in response to vaccination. Therefore, improving immunity in this population may reduce the associated adverse health outcomes. Treatment of Aging Frailty and promotion of healthy aging are recognized priorities of the National Academy of Medicine and NIA/NIH. Despite the pressing need for interventions, there are no FDA-approved therapies for Aging Frailty or for improving immunity in response to vaccination in the frail elderly. About Longeveron Inc. Longeveron is a clinical stage biotechnology company developing cellular therapies for specific aging-related and life-threatening conditions. The Company’s lead investigational product is the LOMECEL-B™ cell-based therapy product (“Lomecel-B”), which is derived from culture-expanded medicinal signaling cells (MSCs) that are sourced from bone marrow of young, healthy adult donors. Longeveron believes that by using the same cells that promote tissue repair, organ maintenance, and immune system function, it can develop safe and effective therapies for some of the most difficult disorders associated with the aging process and other medical disorders. Longeveron is currently sponsoring Phase 1 and 2 clinical trials in the following indications: Aging Frailty, Alzheimer’s disease, the Metabolic Syndrome, Acute Respiratory Distress Syndrome (ARDS), and hypoplastic left heart syndrome (HLHS). The Company’s mission is to advance Lomecel-B and other cell-based product candidates into pivotal Phase 3 trials, with the goal of achieving regulatory approvals, subsequent commercialization and broad use by the healthcare community. Additional information about the Company is available at www.longeveron.com. Forward-Looking Statements Certain statements in this press release that are not historical facts are forward-looking statements that reflect management's current expectations, assumptions, and estimates of future performance and economic conditions, and involve risks and uncertainties that could cause actual results to differ materially from those anticipated by the statements made herein. Forward-looking statements are generally identifiable by the use of forward-looking terminology such as "believe," "expects," "may," "looks to," "will," "should," "plan," "intend," "on condition," "target," "see," "potential," "estimates," "preliminary," or "anticipates" or the negative thereof or comparable terminology, or by discussion of strategy or goals or other future events, circumstances, or effects. Moreover, forward-looking statements in this release include, but are not limited to, statements about the ability of our clinical trials to demonstrate safety and efficacy of our product candidates, and other positive results; the timing and focus of our ongoing and future preclinical studies and clinical trials; the size of the market opportunity for our product candidates, the beneficial characteristics, safety, efficacy and therapeutic effects of our product candidates; our ability to obtain and maintain regulatory approval of our product candidates, our plans and ability to obtain or protect intellectual property rights, including extensions of existing patent terms where available and our ability to avoid infringing the intellectual property rights of others. Further information relating to factors that may impact the Company's results and forward-looking statements are disclosed in the Company's filings with the SEC. The forward-looking statements contained in this press release are made as of the date of this press release, and the Company disclaims any intention or obligation, other than imposed by law, to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. Contact:Crescendo Communications, LLCTel: 212-671-1020Email: lgvn@crescendo-ir.com Source: Longeveron Inc

  • Longeveron Announces Positive Results of Phase I Clinical Study of Lomecel-B Cell Therapy for Alzheimer’s Disease
    GlobeNewswire

    Longeveron Announces Positive Results of Phase I Clinical Study of Lomecel-B Cell Therapy for Alzheimer’s Disease

    Study meets primary safety endpoint; positive secondary efficacy assessments support potential benefit from Lomecel-B Decline in cognitive function slower in patients who received low-dose Lomecel-B as compared with placebo Quality of life metrics improved with Lomecel-B compared to placebo Complete results being prepared for publication. On track to initiate Phase 2 study in the second half of 2021. MIAMI, April 13, 2021 (GLOBE NEWSWIRE) -- Longeveron Inc. (NASDAQ: LGVN) announced today the final results of its Phase I clinical study evaluating the safety and efficacy of intravenous (i.v.) administration of Lomecel-B, an allogeneic bone marrow-derived medicinal signaling cell (MSC) product, in subjects with mild Alzheimer’s disease. Preliminary results were previously reported in the Company’s S-1/A Registration Statement as part of Longeveron’s successful Initial Public Offering in the first quarter of 2021. The study met its primary safety endpoint, which paves the way for future trials in subjects with Alzheimer’s disease. Importantly, several pre-specified secondary efficacy endpoints and biomarker results support potential benefit from Lomecel-B. The complete trial results are currently being prepared for publication in a peer-reviewed journal, and will be posted on the Company’s website in the future. Longeveron also indicated they are on track to commence a Phase 2 study of Lomecel-B in Alzheimer’s disease in the second half of 2021. The phase 1 trial, funded in part by an Alzheimer’s Association Part the Cloud Challenge on Neuroinflammation grant, used a randomized, placebo-controlled double-blind design testing single i.v. infusion of Lomecel-B 20 million cells (“low-dose”; (n=15)), Lomecel-B 100 million cells (“high-dose”; n=10)), or placebo (n=8). Subjects were followed for 52 weeks post-infusion. Key findings from new and previously disclosed data: Lomecel-B infusion was well-tolerated in this trial, with no treatment-related serious adverse events observed throughout the 1-year follow-up, including no indications of amyloid-related imaging abnormalities (ARIA) as assessed by magnetic resonance imaging (MRI);The average Mini Mental State Exam (MMSE) score, which is a measure of cognitive function, declined more slowly in the low-dose Lomecel-B group compared to the placebo group. At 13 weeks after infusion, the low-dose Lomecel-B group MMSE score was higher (better) compared to placebo (difference of 2.69 ± 1.39 points; p=0.0182; 2-sided 95% CI 0.51 – 4.97);At 26 weeks post-infusion, patients in the low-dose Lomecel-B arm showed a significantly higher (better) average score on the Quality of Life in Alzheimer Disease (QOL-AD) compared to placebo (difference of 3.85 ± 1.943 points; p=0.0444; 2-sided 95% CI 0.13 – 9.12);At 26 weeks post-infusion, the Alzheimer's Disease Cooperative Study Activities of Daily Living (ADCS-ADL), a measure of competence in basic and instrumental activities of daily living, was significantly higher (better) in the low-dose Lomecel-B group compared to placebo (difference of 6.95 ± 3.46 points; p=0.0118; 95% CI 1.99 – 13.94); Biomarkers: Subjects receiving Lomecel-B had significantly increased serum levels of several pro-vascular biomarkers (VEGF, IL4, and IL-6) relative to the placebo group post-infusion.There was a significant increase in D-dimer in the high-dose, but not low-dose, Lomecel-B arm versus placebo;Subjects receiving Lomecel-B had significantly increased serum levels of several anti-inflammatory cytokines (sIL-2Rα, IL-4, IL-10 and IL-12) relative to the placebo group post-infusion;There were no significant changes in the Lomecel-B arms versus the change in placebo for any of neuronal-related biomarkers examined;MRIs showed a significant increase in change in left hippocampus volume in the high-dose Lomecel-B arm versus the change in placebo group at Week 13 (p=0.0311). By Week 26, the difference was no longer significant. The low dose Lomecel-B arm showed no significant difference versus placebo. Geoff Green, Chief Executive Officer of Longeveron, stated, “We are pleased and encouraged by the results of this study, which indicate preliminary safety, and potential efficacy of Lomecel-B in mild Alzheimer’s disease, and we look forward to initiating our Phase 2 trial in the second half of this year.” “I am excited about the potential for this new approach to the treatment of Alzheimer’s disease. The use of Lomecel-B cells approaches therapy in a unique and novel way. We are treating the underlying problem of inflammation and possibly stimulating the brain to try to repair itself. These positive results, which includes improved patient reported outcomes, encourages us to continue to look at this approach to the treatment of this devastating degenerative brain disease,” said Barry Baumel, MD, of the University of Miami Miller School of Medicine and principal investigator on the study. “The study results provide support for our hypothesis that Lomecel-B can potentially reduce Alzheimer’s disease associated brain inflammation, improve the function of blood vessels in the brain, reduce brain damage due to Alzheimer’s disease progression, and promote regenerative responses,” said Anthony Oliva, PhD, of Longeveron. Gary Small, MD, of Hackensack Meridian Health, a member of Longeveron’s AD Program Steering Committee, stated, “The results are encouraging that Lomecel-B has potential to eventually become a safe and effective treatment for AD.” Regarding the MRI findings, Susan Bookheimer, PhD, of the UCLA School of Medicine, and also a member of Longeveron’s AD Program Steering Committee, commented that "while preliminary, the MRI results are very promising in suggesting that Lomecel-B may reduce brain damage due to Alzheimer’s disease progression, and promote regenerative responses." About Alzheimer’s Disease Fifty million people worldwide currently have dementia, which is a progressive decline in cognitive functioning that can interfere with daily activities, and eventually lead to a loss of independence and death over the course of years. The most common form of dementia is Alzheimer’s disease, which is characterized by pathological hallmarks or beta amyloid deposits (also called “plaques”) and neurofibrillary tangles in the brain. Some early signs of Alzheimer’s disease may include: memory loss; confusion about time and places; impaired problem solving and planning abilities; difficulty with speaking, writing clearly and completing familiar tasks; impaired ability to understand visual images and spatial relationships; and mood or personality changes. In the US alone, approximately 5.4 million people suffer from Alzheimer’s disease, and this number is projected to increase to 14 million by 2050 according to the Alzheimer’s Association, a leading non-profit organization for dementia research. The cost of care for these patients is already stressing healthcare systems, not to mention the enormous toll it takes on families and care-givers. There is thus an urgent need for finding effective treatments for Alzheimer’s disease and related dementias. However, there are currently no approved medications that can slow-down, stop, or reverse the progression of Alzheimer’s disease. Only 5 medications have received FDA approval for Alzheimer’s disease, and none significantly alter the course of disease progression. Three of these (donepezil, galantamine and rivastigmine) fall into a class of drugs called “cholinesterase inhibitors,” and another, memantine, is in a class of drugs called “NMDA receptor antagonists.” All four of these work by altering the communication between the cells of the brain (these are called neurons). The fifth medication is a combination of two of these drugs (donepezil and memantine). With the exception of these above 5 drugs (which do not appear to ameliorate disease progression), we have witnessed decades of failed attempts to develop small molecule drugs for treating Alzheimer’s disease. Potential of Lomecel-B for Treating Alzheimer’s Disease Medicinal Signaling Cells (MSCs), as the main ingredient of Lomecel-B, have numerous mechanisms of action that may potentially treat the complex pathology associated with Alzheimer’s disease. Beyond the hallmarks of beta amyloid deposits (plaques) and neurofibrillary tangles, Alzheimer’s disease is also characterized by inflammation in the brain (referred to as “neuroinflammation”), poor functioning of the blood vessels of the brain (“neurovasculature dysfunction”), and degeneration of brain cells (“neurodegeneration”), among other features. The properties of MSCs can potentially treat all of these aspects of Alzheimer’s disease pathology, and preclinical studies support this conclusion. Using mouse models of Alzheimer’s disease, MSCs were shown to be able to decrease inflammation in the brain, promote break-down and clearance of Aβ (the protein component of beta amyloid), decrease the protein that causes neurofibrillary tangles, promote new nerve cell formation (“neurogenesis”), and improve cognitive/behavioral performance. About Longeveron Inc. Longeveron is a clinical stage biotechnology company developing cellular therapies for specific aging-related and life-threatening conditions. The Company’s lead investigational product is the LOMECEL-B™ cell-based therapy product (“Lomecel-B”), which is derived from culture-expanded medicinal signaling cells (MSCs) that are sourced from bone marrow of young, healthy adult donors. Longeveron believes that by using the same cells that promote tissue repair, organ maintenance, and immune system function, it can develop safe and effective therapies for some of the most difficult disorders associated with the aging process and other medical disorders. Longeveron is currently sponsoring Phase 1 and 2 clinical trials in the following indications: Aging Frailty, Alzheimer’s disease, the Metabolic Syndrome, Acute Respiratory Distress Syndrome (ARDS), and hypoplastic left heart syndrome (HLHS). The Company’s mission is to advance Lomecel-B and other cell-based product candidates into pivotal Phase 3 trials, with the goal of achieving regulatory approvals, subsequent commercialization and broad use by the healthcare community. Additional information about the Company is available at www.longeveron.com. Forward-Looking Statements Certain statements in this press release that are not historical facts are forward-looking statements that reflect management's current expectations, assumptions, and estimates of future performance and economic conditions, and involve risks and uncertainties that could cause actual results to differ materially from those anticipated by the statements made herein. Forward-looking statements are generally identifiable by the use of forward-looking terminology such as "believe," "expects," "may," "looks to," "will," "should," "plan," "intend," "on condition," "target," "see," "potential," "estimates," "preliminary," or "anticipates" or the negative thereof or comparable terminology, or by discussion of strategy or goals or other future events, circumstances, or effects. Moreover, forward-looking statements in this release include, but are not limited to, statements about the ability of our clinical trials to demonstrate safety and efficacy of our product candidates, and other positive results; the timing and focus of our ongoing and future preclinical studies and clinical trials; the size of the market opportunity for our product candidates, the beneficial characteristics, safety, efficacy and therapeutic effects of our product candidates; our ability to obtain and maintain regulatory approval of our product candidates, our plans and ability to obtain or protect intellectual property rights, including extensions of existing patent terms where available and our ability to avoid infringing the intellectual property rights of others. Further information relating to factors that may impact the Company's results and forward-looking statements are disclosed in the Company's filings with the SEC. The forward-looking statements contained in this press release are made as of the date of this press release, and the Company disclaims any intention or obligation, other than imposed by law, to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. Contact:Crescendo Communications, LLCTel: 212-671-1020Email: lgvn@crescendo-ir.com

  • Newsfile

    SmallCapsDaily: Longeveron Inc. Emerges as a True Blue Bio-Tech Titan

    New York, New York--(Newsfile Corp. - April 12, 2021) - Longeveron Inc. (NASDAQ: LGVN) ("Longeveron" or "Company"), a clinical stage biotechnology company developing cellular therapies for chronic aging-related and life-threatening conditions, was recently the focus of coverage by leading financial news website and publisher, SmallCapsDaily. Longeveron is swiftly becoming a leader in the biotech and regenerative medicine space, as it continues in its efforts to combat a variety of concerns and illnesses such as ...