Emergent BioSolutions Receives U.S. FDA Approval for raxibacumab Manufacturing at Winnipeg Facility
On December 12, 2025, Emergent BioSolutions (NYSE: EBS) announced a significant milestone: the U.S. Food and Drug Administration (FDA) has approved its supplemental Biologics License Application (sBLA) for the Winnipeg facility. This approval designates the site as a drug product manufacturing and testing location for raxibacumab, a monoclonal antibody used in the treatment and prevention of inhalational anthrax.
The Importance of FDA Approval
In a statement, Joe Papa, President and CEO of Emergent, expressed enthusiasm regarding the FDA's decision. He remarked, “We are pleased with the U.S. FDA approval of our sBLA for raxibacumab manufacturing at Emergent’s USMCA-compliant site in Winnipeg.” This regulatory action is a pivotal component of Emergent's multi-year transformation strategy, aimed at creating a flexible and customer-focused manufacturing network.
This approval comes after the company announced in May 2024 plans to consolidate manufacturing operations, focusing on Winnipeg and Lansing, Michigan, as part of its ongoing turnaround strategy.
Experience and Capabilities of the Winnipeg Facility
Emergent's Winnipeg facility boasts over 45 years of experience in developing and manufacturing a wide range of therapeutics. It is equipped with capabilities for drug substance development, fill/finish operations, and extensive analytical testing, ensuring robust support for its medical countermeasures portfolio.
- Drug substance development
- Fill/finish operations
- Analytical testing capabilities
- Capacity for strategic manufacturing partnerships
About raxibacumab: Indications and Safety Information
raxibacumab is indicated for the treatment of both adult and pediatric patients diagnosed with inhalational anthrax due to Bacillus anthracis. It is to be used in conjunction with appropriate antibacterial drugs, especially when alternative therapies are not viable or suitable.
Limitations of Use: The efficacy of raxibacumab is primarily based on studies in animal models, with no studies having been conducted in the pediatric population. Dosing for pediatric patients has been established through extrapolation methods.
Safety Information for raxibacumab
Users should be aware of potential hypersensitivity reactions, including anaphylaxis, during or after the intravenous infusion of raxibacumab. It is recommended to administer this treatment in settings equipped to handle such reactions, ensuring the availability of trained personnel and appropriate medical interventions.
Common adverse reactions reported (≥1.5%) include:
- Injection site reaction
- Erythema and pain
- Headache
- Rash
- Pain in extremity
- Pruritus
- Somnolence
To report suspected adverse reactions, contact Emergent BioSolutions at 1-800-768-2304 or via email at medicalinformation@ebsi.com, or reach out to the FDA at 1-800-FDA-1088.
Emergent BioSolutions: A Commitment to Public Health
At Emergent BioSolutions, the mission is to protect and save lives through the development of solutions for public health threats, including anthrax, smallpox, and Ebola. The company has been committed to preparing communities against current and future health challenges for over 25 years.
For more information about how Emergent prepares for tomorrow's health threats, visit their website and follow them on various social media platforms.
Forward-Looking Statements
This communication includes forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995. All statements, other than historical facts, regarding raxibacumab manufacturing, strategic partnerships, and Emergent's turnaround priorities are considered forward-looking. Actual results may differ significantly due to various risks and uncertainties.
Contact Information
Investor Contact: Richard S. Lindahl, Executive Vice President, CFO, Emergent, Email: lindahlr@ebsi.com
Media Contact: Assal Hellmer, Vice President, Communications, Emergent, Email: mediarelations@ebsi.com