Summary of Invivyd Revolution Pivotal Program Conference Call Company Overview - **Company**: Invivyd - **Product**: VYD2311, an antibody developed as an alternative to COVID vaccination and for other potential uses Key Industry Insights - **COVID Landscape**: The current and future endemic COVID situation is still evolving, with significant systemic medical implications beyond respiratory symptoms, including cardiovascular and organ damage [9][10] - **Vaccine Efficacy**: Initial COVID vaccines showed short-term efficacy, but long-term protection has been questioned due to the evolving nature of the virus and the limitations of the human immune response [10][12] Core Points and Arguments - **Antibody Technology**: Invivyd focuses on developing antibodies that enhance human immune responses, aiming for a best-in-class safety and efficacy profile [6][7] - **Expansion Beyond COVID**: The company is exploring treatments for acute COVID, long COVID, and other viral pathogens like RSV and measles [7] - **Clinical Trials**: The Revolution Program includes a Phase 1/2 study and a Phase 3 randomized placebo-controlled study (Declaration) to assess VYD2311's efficacy in preventing symptomatic COVID-19 [29][34] - **Efficacy Expectations**: The Declaration study aims for a 70% to 90% reduction in symptomatic COVID-19 compared to placebo over a 90-day period [36][64] Important Data and Projections - **Commercial Opportunity**: U.S. COVID vaccine sales totaled $3.8 billion last year, with lower uptake compared to influenza vaccines, indicating a significant market opportunity for VYD2311 [46][74] - **Safety Profile**: VYD2311 has shown a favorable safety profile even at suprapharmacologic doses, with no significant adverse findings in preclinical testing [31][33] Additional Considerations - **Public Perception**: There is a notable fear and mistrust regarding COVID vaccination among the public, which presents an opportunity for Invivyd to restore trust through its antibody solutions [13][14] - **Regulatory Coordination**: The Liberty study will assess the safety and tolerability of mRNA vaccines versus VYD2311, which may inform future labeling and guidance for healthcare providers [42][43] - **Manufacturing and Delivery**: Invivyd is confident in its manufacturing capabilities to meet potential demand for VYD2311, which is designed for easy administration [90] Conclusion - Invivyd is positioned to offer a novel solution in the COVID landscape with VYD2311, focusing on safety, efficacy, and addressing public concerns about vaccination. The company is actively preparing for clinical trials and commercial opportunities while navigating regulatory landscapes.

Core Viewpoint - Invivyd, Inc. is set to host a live webcast on October 30, 2025, to present an overview of its REVOLUTION clinical program for VYD2311, a monoclonal antibody candidate aimed at preventing COVID-19 [1][2]. Group 1: Company Overview - Invivyd, Inc. is a biopharmaceutical company focused on providing protection against serious viral infectious diseases, starting with SARS-CoV-2 [5]. - The company utilizes a proprietary integrated technology platform designed to develop and adapt antibodies [5]. Group 2: Product Details - VYD2311 is a novel monoclonal antibody candidate developed for COVID-19, addressing the urgent need for new prophylactic and therapeutic options [3]. - The pharmacokinetic profile and antiviral potency of VYD2311 may allow for clinically meaningful titer levels through more patient-friendly administration methods, such as intramuscular injection [3]. - VYD2311 was engineered using Invivyd's proprietary technology and is optimized for neutralizing contemporary virus lineages [4]. Group 3: Clinical Program - The webcast will provide an overview and details of the trials included in the REVOLUTION clinical program [2]. - VYD2311 shares the same antibody backbone as pemivibart, which has received emergency use authorization in the U.S. for pre-exposure prophylaxis of symptomatic COVID-19 in certain immunocompromised patients [4].

Core Insights - Invivyd, Inc. commends the FDA for addressing uncertainties regarding COVID-19 vaccine booster efficacy and providing a pathway to resolve these issues [1][4] - The FDA has encouraged manufacturers to conduct randomized, placebo-controlled trials to evaluate the efficacy of COVID-19 vaccines, particularly in individuals who have had COVID-19 within the past year [2][4] - Invivyd's CANOPY Phase 3 clinical trial of pemivibart demonstrated an 84% reduction in the risk of symptomatic COVID-19 compared to placebo, highlighting the potential of monoclonal antibodies as a viable alternative to vaccines [2][3][4] FDA's Actions and Recommendations - The FDA has identified gaps in the understanding of COVID-19 vaccine booster efficacy and has called for trials to include healthy adults and those who have had COVID-19 recently [2][4] - The FDA considers a 30% reduction in symptomatic COVID-19 as "meaningful" protection, while Invivyd's pemivibart showed an 84% reduction, suggesting a significantly higher level of efficacy [3][4] Invivyd's Clinical Trials and Products - The CANOPY Phase 3 trial included a randomized cohort of individuals at risk of acquiring SARS-CoV-2, with a follow-up period of six months to assess the durability of the vaccine's efficacy [2][14] - Invivyd plans to advance next-generation monoclonal antibodies to improve scalability and efficacy, with an update on investigational mAb VYD2311 expected soon [4][6][15] Monoclonal Antibodies as a Treatment Option - The FDA has acknowledged the uncertainty surrounding the benefits of repeat COVID-19 vaccine boosters, positioning monoclonal antibody therapies like pemivibart as a critical alternative [4][5] - Invivyd emphasizes the importance of monoclonal antibodies for high-risk populations, particularly children, due to the limitations of vaccination strategies [5][6] Future Developments - Invivyd is set to engage with the FDA on expedited pathways for developing scalable COVID-19 prevention and treatment options, addressing the ongoing health crisis posed by COVID-19 [4][6][17] - The company is focused on delivering high-quality protection against COVID-19, with a commitment to advancing innovative antibody candidates [17]