MARKET WIRE NEWS

Satellos to Host Virtual KOL Event on SAT-3247 in Duchenne Muscular Dystrophy

MWN-AI** Summary

Satellos Bioscience Inc. (NASDAQ: MSLE, TSX: MSCL), a biotechnology firm focused on therapies for degenerative muscle diseases, has announced a virtual key opinion leader (KOL) event to discuss its leading candidate, SAT-3247, for treating Duchenne muscular dystrophy (DMD). The event is scheduled for February 24, 2026, at 3:30 p.m. ET and will feature Dr. Kevin M. Flanigan, a prominent neurologist and professor at The Ohio State University, known for his expertise in neuromuscular research.

The KOL event aims to highlight the significant unmet needs in the DMD treatment landscape, as well as the potential of SAT-3247, an oral small molecule therapy designed to restore muscle repair and regeneration processes disrupted by the absence of dystrophin in DMD patients. SAT-3247 targets AAK1, a critical protein essential for muscle stem-cell signaling. The session will cover encouraging results from the completed Phase 1a/b trial, ongoing studies including the TRAILHEAD open-label study in adults and BASECAMP, a Phase 2 study in pediatric participants.

Dr. Flanigan brings a wealth of experience as the Director of the Gene Therapy Center at Nationwide Children's Hospital. His research focuses on genetic modifiers of dystrophinopathies and innovative treatments including gene therapy for DMD. This collaboration with Satellos aims to explore advanced options for muscle regeneration in DMD and other similar conditions.

Satellos is dedicated to advancing SAT-3247 through clinical trials, seeking to establish it as a disease-modifying treatment for DMD, regardless of mutation status. The company continues to investigate further applications of SAT-3247 for other muscle-related diseases, solidifying its commitment to addressing critical medical needs in this field.

MWN-AI** Analysis

Satellos Bioscience Inc. (NASDAQ: MSLE, TSX: MSCL) is poised for significant market attention as it prepares to host a virtual key opinion leader (KOL) event on February 24, 2026, focusing on its standout candidate, SAT-3247, for Duchenne muscular dystrophy (DMD). This event will feature prominent medical expert Dr. Kevin M. Flanigan, rounding out Satellos' commitment to transparency and education regarding their innovative approaches in treating degenerative muscle diseases.

The discussion will highlight the unmet need in DMD treatment, emphasizing SAT-3247’s mechanism, which targets AAK1—a crucial protein affecting muscle stem-cell signaling disrupted by dystrophin absence. The clinical landscape for DMD is rapidly evolving, and Satellos stands out by presenting an oral small molecule therapy intended to promote muscle repair regardless of dystrophin status, which has traditionally constrained treatment options.

Investors should pay close attention to the results from the recently conducted Phase 1a/b trials as well as insights into ongoing studies such as TRAILHEAD and BASECAMP, which are critical for understanding the product's efficacy and safety profile. Positive data from these trials could catalyze a substantial uptick in the company’s valuation, glittering future prospects as the product progresses through its clinical stages.

Given the high unmet medical need in the DMD space and the robust expertise of its management and advisory teams, Satellos may offer a compelling investment opportunity. However, potential investors should remain vigilant and monitor post-event responses closely, as stock volatility may occur based on the outcomes and discussions from this KOL event. As always, a diversified approach and thorough due diligence are essential when considering investments in clinical-stage biotechnology companies like Satellos.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: Business Wire

Satellos Bioscience Inc. (NASDAQ: MSLE, TSX: MSCL) (“Satellos” or the “Company”), a clinical-stage biotechnology company developing life-improving medicines to treat degenerative muscle diseases, today announced that it will host a virtual key opinion leader (KOL) event on Tuesday, Feb. 24, 2026, at 3:30 p.m. ET , featuring Kevin M. Flanigan, MD, the Wolfe Foundation Endowed Chair in Neuromuscular Research at Nationwide Children’s Hospital and professor of pediatrics and neurology at The Ohio State University College of Medicine. Dr. Flanigan will join company management to discuss the unmet need and current treatment landscape for Duchenne muscular dystrophy (DMD). Interested participants may register here .

The event will provide an overview of Satellos' SAT-3247, an oral small molecule therapy designed to restore natural muscle repair and regeneration in DMD and related conditions. SAT-3247 targets AAK1, a protein involved in muscle stem-cell signaling, a process that is disrupted in DMD due to the absence of dystrophin. The session will review results from the completed Phase 1a/b clinical trial in healthy volunteers and adults with DMD; outline TRAILHEAD, an open-label study in adult participants; and share updates on BASECAMP, an ongoing Phase 2 pediatric study.

ABOUT KEVIN M. FLANIGAN, MD

Kevin M. Flanigan, MD, is the Director of the Center for Gene Therapy at the Abigail Wexner Research Institute of Nationwide Children’s Hospital (NCH), where he holds the Robert F. & Edgar T. Wolfe Foundation Endowed Chair in Neuromuscular Research. Dr. Flanigan trained in Neurology and Neuromuscular Disease at the Johns Hopkins Hospital, followed by a post-doctoral fellowship in Human Molecular Biology and Genetics at the University of Utah. After 14 years on the faculty in Utah, he joined NCH in 2009. He is currently the director of the NCH P50-funded Wellstone Muscular Dystrophy Specialized Research Center and is a Professor of Pediatrics and Neurology at Ohio State University. His laboratory work is directed toward the identification of genetic modifiers of disease severity in the dystrophinopathies, and toward the molecular characterization and treatment of neuromuscular diseases, using both gene replacement and RNA-modifying therapies. His lab has a particular interest in AAV-delivered U7snRNAs modified to target specific exons in the DMD gene, which has led to a first-in-human clinical trial. He is an experienced clinical trialist and has conducted multiple clinical trials of gene transfer therapies in DMD, as well as the childhood neurodegenerative disorders mucopolysaccharidosis types 3A and 3B

ABOUT SAT-3247

SAT-3247 is a proprietary, oral, small molecule drug candidate being developed by Satellos as a novel approach to regenerating skeletal muscle lost in Duchenne muscular dystrophy (DMD) and other degenerative muscle diseases or injury conditions. Satellos is advancing SAT-3247 as a potential treatment for DMD that is independent of dystrophin and applicable regardless of exon mutation status, with ongoing Phase 2 clinical studies, including TRAILHEAD, an open-label study in adult participants, and BASECAMP, a global, randomized, placebo-controlled study in pediatric participants.

ABOUT SATELLOS BIOSCIENCE INC.

Satellos is a clinical-stage drug development company focused on restoring natural muscle repair and regeneration in degenerative muscle diseases. Through its research, Satellos has developed SAT-3247, a first-of-its-kind, orally administered small molecule drug designed to address deficits in muscle repair and regeneration. SAT-3247 targets AAK1, a key protein that Satellos has identified as capable of helping restore muscle stem-cell signaling, a process that is disrupted in DMD. By addressing the loss of dystrophin-dependent cues, SAT-3247 may re-establish the signals that support effective muscle regeneration. SAT-3247 is currently in clinical development as a potential disease-modifying treatment, initially for DMD. Satellos is also working to identify additional muscle diseases or injury conditions where restoring muscle repair and regeneration may have therapeutic benefit and represent future clinical development opportunities. For more information, visit www.satellos.com .

View source version on businesswire.com: https://www.businesswire.com/news/home/20260218704143/en/

Investors: Liz Williams, CFO, ir@satellos.com
Media: Emily Williams, Senior Director of Communications, media@satellos.com

FAQ**

How does Satellos Bioscience Inc. MSLE plan to differentiate SAT-3247 from current treatment options for Duchenne muscular dystrophy (DMD) based on the results from ongoing Phase 2 studies like TRAILHEAD and BASECAMP?

Satellos Bioscience Inc. plans to differentiate SAT-3247 by focusing on its unique mechanism that promotes muscle regeneration and function, as demonstrated in the ongoing Phase 2 studies TRAILHEAD and BASECAMP, potentially offering improved outcomes for DMD patients compared to existing treatments.

What specific outcomes is Satellos Bioscience Inc. MSLE hoping to achieve in the ongoing BASECAMP study, and how might these results impact the future development of SAT-3247?

Satellos Bioscience Inc. is aiming to demonstrate the safety and efficacy of SAT-3247 in the BASECAMP study, and positive outcomes could bolster its potential as a therapeutic for muscle regeneration and significantly influence future clinical developments and funding opportunities.

Can Satellos Bioscience Inc. MSLE elaborate on the mechanism by which SAT-3247 targets AAK1 and how this approach could potentially restore muscle repair and regeneration in DMD?

Satellos Bioscience Inc.'s SAT-3247 targets AAK1 by inhibiting its activity, thereby enhancing the regenerative capacity of muscle stem cells, which is crucial for restoring muscle repair and regeneration in Duchenne Muscular Dystrophy (DMD).

What are the strategic priorities for Satellos Bioscience Inc. MSLE as it advances SAT-32through clinical trials, and how does the company plan to address any potential regulatory challenges in bringing this therapy to market?

Satellos Bioscience Inc. prioritizes advancing SAT-3247 through clinical trials by focusing on demonstrating safety and efficacy while proactively engaging with regulatory agencies to ensure compliance and streamline the approval process for market entry.

**MWN-AI FAQ is based on asking OpenAI questions about Satellos Bioscience Inc. (TSXVC: MSCL:CC).

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