Valneva Advances with Encouraging Results for Chikungunya Vaccine

Valneva SE Celebrates Positive Outcomes in Phase 2 Clinical Trial

Valneva SE recently announced significant achievements from its Phase 2 clinical trial for the chikungunya vaccine, IXCHIQ®. This trial focused on assessing the safety and immune response in a group of 304 children, aged between one and eleven. The exciting news about this project gives hope to families living in or traveling to regions where chikungunya is prevalent.

Trial Overview and Objectives

Conducted under the title VLA1553-221, the trial represents a further step in the journey of a groundbreaking vaccine. Funded partly by the Coalition for Epidemic Preparedness Innovations (CEPI) and supported by the European Union, the main objective of this trial is to pave the way for an extensive Phase 3 study targeting the pediatric population. Valneva is eager to commence the next phase of trials expected in the later part of 2025.

Impressive Safety and Tolerability Outcomes

The outcomes were overwhelmingly positive as the trial met its primary endpoint. Notably, children tolerated both half and full doses of the vaccine well, with results comparable to those seen with an active control vaccine. This promising safety profile aligns with what Valneva has observed in previous adult trials, reflecting a consistent approach to ensuring the vaccine is safe for all age groups.

Immunogenicity Assessment Results

Immunogenicity results from both dose levels were remarkable, underscoring the vaccine's effectiveness in stimulating an immune response. The full dose elicited a robust production of protective antibodies as early as Day 15 and Day 29 after vaccination, confirming earlier findings among adolescents and adults.

Importance of Chikungunya Vaccination

Chikungunya is transmitted by infected Aedes mosquitoes and can lead to severe symptoms, including debilitating joint pain that might last for years. The United Nations Health Agency has acknowledged chikungunya as a growing public health concern, particularly after it spread rapidly since the early 2000s. Given the rising cases around the globe, especially in Brazil and India, the need for a safe and effective vaccine has never been more apparent.

Commitment Toward Global Accessibility

Valneva's Chief Medical Officer, Dr. Juan Carlos Jaramillo, emphasized the importance of making the vaccine available to populations of all ages, especially in lower-income regions where access to vaccines can be scarce. His commitment to helping those in endemic areas ensures that people receive long-term protection against chikungunya with a single shot of IXCHIQ®.

Market Potential and Future Plans

With significant numbers of chikungunya cases reported and ongoing outbreaks, Valneva is positioning itself to enter the market for pediatric vaccinations. Marketing approvals are anticipated in Brazil and the UK soon. The recent submissions for label extension applications to agencies like the FDA could also broaden the vaccine's use among adolescents, highlighting Valneva's dedication to childhood immunization.

About Valneva SE

Valneva SE is committed to addressing unmet medical needs through the development of specialty vaccines. With proven experience advancing vaccines from early research to market, they offer solutions that potentially save lives and improve public health. They possess a robust pipeline of vaccines, including candidates against Lyme disease, Shigella and Zika viruses.

Frequently Asked Questions

What is IXCHIQ®?

IXCHIQ® is the world's first licensed chikungunya vaccine developed by Valneva SE to provide long-term protection against the virus.

What were the main results from the Phase 2 trial?

The Phase 2 trial demonstrated that the vaccine is safe and well-tolerated in children, with robust immune responses observed.

When will Phase 3 trials begin?

Valneva anticipates starting the pivotal Phase 3 trial in late 2025, following the successful outcomes of the Phase 2 trial.

Why is vaccination against chikungunya important?

With rising chikungunya cases globally, a vaccine can help prevent severe health issues associated with the virus, especially in vulnerable populations.

How does Valneva ensure vaccine accessibility?

Valneva is committed to making its vaccines available in low- and middle-income countries, where access to healthcare is more limited.

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