S&E Bio Gains Korea's First Approval for Exosome Therapy Trial

7 May 2025
In a significant development for the South Korean biopharmaceutical sector, S&E bio Co., Ltd., a biotechnology company based in Seoul and focused on exosomal microRNA therapies, has been granted approval by the Ministry of Food and Drug Safety (MFDS) to commence a Phase 1b clinical trial for their new stroke treatment, SNE-101. This groundbreaking trial is the first of its kind in South Korea to utilize exosome-based therapy, highlighting a substantial advancement in the field.

S&E bio has pioneered the development of SNE-101 by employing an innovative 3D culture system. This proprietary method enhances the production of exosomes derived from umbilical cord mesenchymal stem cells. These exosomes are specially engineered to carry microRNAs that promote neuroregeneration, potentially offering a novel therapeutic option for stroke recovery.

The approval from the MFDS was achieved following the successful resolution of Chemistry, Manufacturing, and Controls (CMC) challenges, alongside demonstrating the drug’s therapeutic promise in both rodent and non-human primate models. These animal studies are crucial since non-human primates provide a closer approximation to human stroke conditions. Additionally, comprehensive studies have confirmed the long-term safety of SNE-101.

The upcoming Phase 1b clinical trial aims to assess several key parameters: the safety of SNE-101 when administered intravenously, the identification of any dose-limiting toxicities, and an initial evaluation of the drug's efficacy. Currently, there are no approved drug treatments for stroke beyond reperfusion therapies, which are limited in scope. Therefore, the potential neuroregenerative, neuroprotective, and anti-inflammatory properties of SNE-101 could represent a significant breakthrough, offering new hope for stroke patients in enhancing their recovery prospects.

As the first exosome-based therapy in South Korea to reach the clinical trial phase, SNE-101 represents not only a promising therapeutic development for stroke patients but also a noteworthy achievement within the scientific community. The initiation of this trial underscores the progress being made in harnessing the capabilities of exosomal microRNAs for medical applications.

The progression to human trials marks a pivotal step for S&E bio in their mission to develop cutting-edge treatments that address unmet medical needs. With the potential to transform stroke therapy, SNE-101 could usher in a new era of biopharmaceutical solutions, emphasizing the growing importance of biotechnology innovations in improving patient care and outcomes. This development also places South Korea at the forefront of biopharmaceutical research and development, reflecting the nation's commitment to advancing medical science and patient health.

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