Welcome to our dedicated page for Mesoblast news (Ticker: MESO), a resource for investors and traders seeking the latest updates and insights on Mesoblast stock.
Mesoblast Limited (NASDAQ: MESO; ASX: MSB) generates frequent news flow as it advances and commercializes allogeneic cellular medicines for severe inflammatory diseases. Company announcements highlight developments around its mesenchymal lineage cell therapy platform, led by Ryoncil (remestemcel-L-rknd) for pediatric steroid-refractory acute graft versus host disease (SR-aGvHD), as well as pipeline programs using remestemcel-L and rexlemestrocel-L.
News items commonly cover Ryoncil revenue trends, adoption across U.S. transplant centers, and reimbursement milestones such as assignment of a permanent HCPCS J-Code and expansion of coverage by commercial and government payers. Mesoblast also reports on trading updates, including quarterly activity reports that summarize revenue from cell therapy products and cash flow information released to the Australian Securities Exchange.
Investors following MESO news will see updates on clinical and regulatory progress, including pivotal trial plans for Ryoncil in adults with severe SR-aGvHD in collaboration with the NIH-funded Blood and Marrow Transplant Clinical Trials Network, and ongoing Phase 3 work with rexlemestrocel-L in chronic low back pain associated with degenerative disc disease. Company releases also discuss regulatory designations such as RMAT status for rexlemestrocel-L.
Corporate news includes financing arrangements like new credit facilities and convertible note programs, changes in board and executive roles, and participation in healthcare conferences. This news page aggregates Mesoblast’s press releases and related coverage so readers can review product performance, clinical milestones, capital structure updates, and governance developments in one place.
Mesoblast (Nasdaq: MESO) will hold its inaugural R&D Day on April 8, 2026 in New York City, with a live webcast from 8:00am–11:00am EST.
The program will feature senior leadership and key opinion leaders, discuss corporate strategy, commercialization of Ryoncil, the company’s multi‑billion‑dollar pipeline in inflammatory pain and cardiovascular disease, and unveil new cellular medicine technology. A replay will be posted on the company website.
Mesoblast (Nasdaq: MESO) appointed Dr. Teresa Montagut as Head of Clinical Development and Medical Affairs, effective March 11, 2026. She will report to the Chief Medical Officer and lead medical affairs, investigator-initiated trials, clinical collaborations, and communications to advance cell therapy programs.
Dr. Montagut joins from Regeneron with prior roles at Novartis, Genentech, and Atara; she will support expansion of the FDA-approved product Ryoncil into pediatric and adult inflammatory indications.
Mesoblast (Nasdaq:MSO / MESO) reported H1 FY2026 results showing a commercial inflection driven by the U.S. launch of Ryoncil. Total revenue was US$51.3 million (gross sales US$57.0M; revenue after adjustments US$48.7M). Reported net loss improved to US$40.2 million with period-end cash of US$130.0 million and a US$125.0 million five-year credit facility. Operationally, 49 transplant centers are onboarded (target 64), CMS issued a specific HCPCS J-Code effective Oct 1, 2025, and lifecycle and second‑generation programs (rexlemestrocel-L) are advancing toward pivotal filings and BLAs. FY2026 Ryoncil net revenue guidance: US$110–120 million.
Mesoblast (Nasdaq:MESO) will host a webcast to discuss operational highlights and financial results for the half year ended December 31, 2025. The live webcast begins at 5:00 PM EST on Thursday, February 26, 2026 (9:00 AM AEDT, Friday, February 27, 2026).
According to the company, the webcast is accessible at the provided OpenBriefing link and an archived replay will be posted on Mesoblast's Investor page.
Mesoblast (Nasdaq: MESO) reported February 2026 EIND program data showing high survival with Ryoncil (remestemcel-L-rknd) in steroid‑refractory acute graft‑versus‑host disease (SR‑aGvHD) across children and adults and when used as second or third line.
Of 53 EIND patients treated ≥third line (89% grade III/IV), 15% died before completing treatment versus 2% in second‑line Phase 3 MSB‑GVHD001, underscoring earlier use after steroid resistance. A pivotal adult second‑line trial is expected to begin enrollment this quarter pending central IRB approval, aiming to support an adult label extension.
Mesoblast (Nasdaq: MESO) reported Ryoncil® gross sales of US$35M (a 60% QoQ increase) and net revenues US$30M for the quarter ended Dec 31, 2025. The company secured a US$125M non-dilutive credit facility (initial US$75M drawn), held US$130M cash, and had net operating cash spend of US$16M for the quarter.
Clinical updates: 21 of 25 early real-world Ryoncil patients (84%) completed 28-day treatment; pivotal adult SR-aGvHD trial to begin site enrollment; FDA gave positive feedback on a BLA pathway for rexlemestrocel-L in CLBP and MSB-DR004 is recruiting to 300 patients.
Mesoblast (Nasdaq:MESO) reported real-world pediatric outcomes for Ryoncil (remestemcel-L-rknd) since commercial launch in March 2025. Of the first 25 children treated post-launch, 21 (84%) completed the FDA-label 28-day regimen and were alive; four patients who did not complete treatment died within 28 days. Mesoblast has onboarded 45 transplant centers toward a 64-center target covering 94% of U.S. transplants, and reports payer coverage for over 260 million U.S. lives. A CMS HCPCS J-Code issued Oct 1, 2025 increased CMS usage in the last quarter. A pivotal adult trial with BMT-CTN is expected to begin site enrollment this quarter to seek FDA label expansion.
Mesoblast (NASDAQ:MESO) reported FDA feedback after a Type B meeting on a potential BLA for rexlemestrocel-L in chronic discogenic low back pain (CLBP). FDA acknowledged that pain-intensity results from the MSB-DR003 Phase 3 trial favor rexlemestrocel-L versus placebo and confirmed a clinically meaningful 12-month pain reduction can support product efficacy. FDA also said robust opioid-reduction results from at least one adequate and well-controlled trial could be included in product labeling. A second Phase 3 study, MSB-DR004, is >50% enrolled across 40 U.S. sites and aims for a 300-patient enrollment target within about three months. Rexlemestrocel-L holds RMAT designation for CLBP.
Mesoblast (Nasdaq:MESO) reported Ryoncil sales of US$35.1 million for the quarter ended December 31, 2025, a 60% increase versus the prior quarter. The company said Ryoncil is the first FDA-approved MSC product and will be evaluated in a pivotal adult second-line SR-aGvHD trial, targeting a market roughly three times larger than the pediatric market. Mesoblast also entered a US$125 million five-year interest-only facility with its largest shareholder that lowered its cost of capital, allowed repayment in full of its prior senior secured loan, and enabled partial repayment of a subordinated royalty facility, which the company expects to be fully repaid by mid-CY2026. The facility reportedly has no exit fees, no encumbrance of material assets or IP, and permits additional unsecured debt and licensing.
Mesoblast (Nasdaq: MESO) announced board leadership changes effective Jan 1, 2026 as the company shifts from development to revenue-generating commercialization.
Key points: Jane Bell will retire as Chair and remain on the board as a non-executive director; Philip Facchina is unanimously appointed non-executive Chair; Lyn Cobley is appointed Chair of the Audit and Risk Committee; William Burns remains Vice-Chair and Chair of Nomination and Remuneration. The board said the changes follow a periodic composition review and the company plans to strengthen U.S. commercial expertise over the next twelve months.