NEW YORK, Aug. 30, 2021 (GLOBE NEWSWIRE) -- Mesoblast Limited (Nasdaq:MESO; ASX:MSB), global leader in allogeneic cellular medicines for inflammatory diseases, today reported operational highlights and financial results for the fourth quarter and full-year ended June 30, 2021 (FY2021).

During this calendar year we made significant progress in both regulatory and clinical outcomes for our lead product candidate, remestemcel-L, after experiencing a disappointing set-back last year said Silviu Itescu, Chief Executive of Mesoblast. We are pleased with recent recommendations by FDAs CBER to meet with the review team and address remaining CMC items for remestemcel-L in the treatment of steroid-refractory acute graft versus host disease in children. Additionally, our most recent meeting with the FDA has provided clarity on the pathway towards an emergency use authorization for remestemcel-L in the treatment of COVID ARDS.

Operational Highlights

Remestemcel-L Outcome of recent meeting with FDA on regulatory pathway for emergency use authorization in the treatment of COVID-19 ARDS:

Remestemcel-L in the treatment of steroid-refractory acute graft versus host disease (SR-aGVHD) in children:

Rexlemestrocel-L in the treatment of chronic heart failure and chronic low back pain:

Manufacturing

Financial Highlights

DETAILED CLINICAL ACTIVITIES FOR THE FISCAL YEAR FY2021

Remestemcel-L

Acute Respiratory Distress Syndrome due to COVID-19

Mesoblast recently presented results from the randomized controlled trial of remestemcel-L in 222 ventilator-dependent COVID-19 patients with moderate/severe acute respiratory distress syndrome (ARDS) at the biennial Stem Cells, Cell Therapies, and Bioengineering in Lung Biology and Diseases conference hosted by the University of Vermont, Burlington, VT, and at the International Society for Cell & Gene Therapy (ISCT) Scientific Signatures Series event on Cell and Gene-Based Therapies in Lung Diseases and Critical Illnesses.

The presented data included improved respiratory function in patients treated with remestemcel-L, as well as 90-day survival outcomes showing remestemcel-L significantly reduced mortality by 48% at 90 days compared to controls in a pre-specified exploratory analysis of 123 treated patients under 65 years old. The trial had been halted after the third interim analysis since the 30-day primary endpoint would not be attained.

Key presentation findings were:

Mesoblast plans to move forward with an additional Phase 3 trial in COVID-19 ARDS with the next step being to agree with the FDA the final protocol and potency assay.

Inflammatory Bowel Disease Crohns Disease and Ulcerative Colitis

A randomized, controlled study of remestemcel-L delivered by an endoscope directly to areas of inflammation and tissue injury in up to 48 patients with medically refractory Crohns disease and ulcerative colitis commenced at Cleveland Clinic in October 2020. The investigator-initiated study is the first in humans using local cell delivery in the gut and will enable Mesoblast to compare clinical outcomes using this delivery method with results from an ongoing randomized, placebo-controlled trial in patients with biologic-refractory Crohns disease where remestemcel-L was administered intravenously.

Rexlemestrocel-L

Chronic Heart Failure

The results from the landmark DREAM-HF randomized controlled trial in 537 treated patients with chronic heart failure with reduced left ventricular ejection fraction (HFrEF) who received rexlemestrocel-L (REVASCOR) or control sham, demonstrated that a single dose of rexlemestrocel-L resulted in substantial and durable reductions in heart attacks, strokes, and cardiac deaths. The trials primary endpoint of reduction in volume overload related hospitalizations was not achieved. The results of this trial identify New York Heart Association (NYHA) class II HFrEF patients as the optimal target population for greatest rexlemestrocel-L treatment effect, and therefore a focus for developing rexlemestrocel-L in the largest market in heart failure.

The incidence of heart attacks and strokes were reduced by 60% over a median follow-up period of 30 months following a single dose of rexlemestrocel-L in the entire population of 537 treated patients. The incidence of death from cardiovascular causes was reduced by 60% in the 206 patients with NYHA class II disease, a significant reduction which was evident in both ischemic and non-ischemic subgroups as well as diabetic and nondiabetic patients.

The results also show that the NYHA class II patients in the control group, following an initial period of approximately 20 months of disease stability, progressed to cardiac death rates in-line with NYHA class III patients. NYHA class II patients treated with a single dose of rexlemestrocel-L did not show such cardiac death progression.

The combination of the three pre-specified outcomes of cardiac death, heart attack or stroke into a single composite outcome - called the three-point major adverse cardiovascular events (MACE) is a well-established endpoint used by the FDA to determine cardiovascular risk. Rexlemestrocel-L reduced this three-point MACE by 30% compared to controls across the entire population of 537 treated patients. In the NYHA class II subgroup of 206 patients, rexlemestrocel-L reduced the three-point MACE by 55% compared to controls.

Mesoblast expects feedback from the FDA in the next quarter on the potential pathway to US regulatory approval for rexlemestrocel-L in patients with chronic heart failure.

Chronic Low Back Pain due to Degenerative Disc Disease

The results from the randomized controlled trial of its allogeneic mesenchymal precursor cell (MPC) therapy rexlemestrocel-L in 404 enrolled patients with chronic low back pain (CLBP) due to degenerative disc disease (DDD) refractory to conventional treatments indicate that a single injection of rexlemestrocel-L+hyaluronic acid (HA) carrier may provide a safe, durable, and effective opioid-sparing therapy for patients with chronic inflammatory back pain due to degenerative disc disease, and that greatest benefits are seen when administered earlier in the disease process before irreversible fibrosis of the intervertebral disc has occurred. The trial's composite outcomes of pain reduction together with functional responses to treatment were not met by either MPC group.

The rexlemestrocel-L+HA treatment group achieved substantial and durable reductions in CLBP compared to control through 24 months across the entire evaluable study population (n=391) compared with saline controls. Greatest pain reduction was observed in the pre-specified population with CLBP of shorter duration than the study median of 68 months (n=194) and subjects using opioids at baseline (n=168) with the rexlemestrocel-L+HA group having substantially greater reduction at all time points (1, 3, 6, 12, 18 and 24 months) compared with saline controls. There was no appreciable difference in the safety of MPC groups compared to saline control over the 24-month period of follow-up in the entire study population. In subjects using opioids at baseline, the MPC+HA demonstrated a reduction in the average opioid dose over 24 months, while saline control subjects had essentially no change.

There is a significant need for a safe, efficacious, and durable opioid-sparing treatment in patients with chronic low back pain due to severely inflamed degenerative disc disease. Mesoblast has filed a request and expects to receive feedback from the FDA on the pathway to US regulatory approval in patients with chronic low back pain due to degenerative disc disease.

Intellectual Property

Mesoblast has an extensive patent portfolio with over 1,000 patents and patent applications across 77 patent families, and patent terms extending through 2041. These patents cover composition of matter, manufacturing, and therapeutic applications of mesenchymal lineage cells, and provide strong commercial protection for our products in all major markets, including the United States, Europe, Japan and China. During the fiscal year Mesoblast has significantly expanded its patent portfolio, focusing on areas of its strategic commercial interests.

Licensing agreements with JCR, Grnenthal, Tasly and Takeda highlight the strength of Mesoblast's extensive intellectual property portfolio covering mesenchymal lineage cells. Mesoblast will continue to use its patents to prosecute its commercial rights as they relate to its core strategic product portfolio. When consistent with the Companys strategic objectives, it may consider providing third parties with commercial access to its patent portfolio.

DETAILED FINANCIAL RESULTS

Financial Results for the Year Ended June 30, 2021 (FY2021)

In August we entered into a contractual amendment to extend the interest-only period of its current senior debt facility to at least January 2022 and as a result no loan repayments will be required prior to January 2022. Mesoblast is in active discussions to refinance the facility.

We expect to recognize the existing US$21.9 million of remestemcel-L pre-launch inventory on the balance sheet if we receive FDA approval.

As a result of the above and other remeasurements on revaluation of assets and liabilities, the loss after tax for FY2021 was US$98.8 million compared to US$77.9 million for FY2020. The net loss attributable to ordinary shareholders was 16.33 US cents per share for FY2021, compared with 14.74 US cents per share for FY2020.

Conference Call

There will be a webcast today, beginning at 7.00pm EDT (Monday, August 30, 2021); 9.00am AEST (Tuesday, August 31). It can be accessed via:https://webcast.boardroom.media/mesoblast-limited/20210826/NaN61036c41df5665001c97fc67

The archived webcast will be available on the Investor page of the Companys website: http://www.mesoblast.com

About Mesoblast

Mesoblast is a world leader in developing allogeneic (off-the-shelf) cellular medicines for the treatment of severe and life-threatening inflammatory conditions. The Company has leveraged its proprietary mesenchymal lineage cell therapy technology platform to establish a broad portfolio of late-stage product candidates which respond to severe inflammation by releasing anti-inflammatory factors that counter and modulate multiple effector arms of the immune system, resulting in significant reduction of the damaging inflammatory process.

Mesoblast has a strong and extensive global intellectual property portfolio with protection extending through to at least 2041 in all major markets. The Companys proprietary manufacturing processes yield industrial-scale, cryopreserved, off-the-shelf, cellular medicines. These cell therapies, with defined pharmaceutical release criteria, are planned to be readily available to patients worldwide.

Mesoblast has completed Phase 3 trials of rexlemestrocel-L for advanced chronic heart failure and chronic low back pain. Remestemcel-L is being developed for inflammatory diseases in children and adults including steroid refractory acute graft versus host disease and moderate to severe acute respiratory distress syndrome. Two products have been commercialized in Japan and Europe by Mesoblasts licensees, and the Company has established commercial partnerships in Europe and China for certain Phase 3 assets.

Mesoblast has locations in Australia, the United States and Singapore and is listed on the Australian Securities Exchange (MSB) and on the Nasdaq (MESO). For more information, please see http://www.mesoblast.com, LinkedIn: Mesoblast Limited and Twitter: @Mesoblast

References / Footnotes

Forward-Looking Statements

This announcement includes forward-looking statements that relate to future events or our future financial performance and involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from any future results, levels of activity, performance or achievements expressed or implied by these forward-looking statements. We make such forward-looking statements pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. Forward-looking statements should not be read as a guarantee of future performance or results, and actual results may differ from the results anticipated in these forward-looking statements, and the differences may be material and adverse. Forward-looking statements include, but are not limited to, statements about the initiation, timing, progress and results of Mesoblasts preclinical and clinical studies, and Mesoblasts research and development programs; Mesoblasts ability to advance product candidates into, enroll and successfully complete, clinical studies, including multi-national clinical trials; Mesoblasts ability to advance its manufacturing capabilities; the timing or likelihood of regulatory filings and approvals, manufacturing activities and product marketing activities, if any; the commercialization of Mesoblasts product candidates, if approved; regulatory or public perceptions and market acceptance surrounding the use of stem-cell based therapies; the potential for Mesoblasts product candidates, if any are approved, to be withdrawn from the market due to patient adverse events or deaths; the potential benefits of strategic collaboration agreements and Mesoblasts ability to enter into and maintain established strategic collaborations; Mesoblasts ability to establish and maintain intellectual property on its product candidates and Mesoblasts ability to successfully defend these in cases of alleged infringement; the scope of protection Mesoblast is able to establish and maintain for intellectual property rights covering its product candidates and technology; estimates of Mesoblasts expenses, future revenues, capital requirements and its needs for additional financing; Mesoblasts financial performance; developments relating to Mesoblasts competitors and industry; and the pricing and reimbursement of Mesoblasts product candidates, if approved. You should read this press release together with our risk factors, in our most recently filed reports with the SEC or on our website. Uncertainties and risks that may cause Mesoblasts actual results, performance or achievements to be materially different from those which may be expressed or implied by such statements, and accordingly, you should not place undue reliance on these forward-looking statements. We do not undertake any obligations to publicly update or revise any forward-looking statements, whether as a result of new information, future developments or otherwise.

Release authorized by the Chief Executive.

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