EMA Lifts Age Restriction on Valneva's Chikungunya Vaccine After Safety Review
Key Insights
The European Medicines Agency (search) lifted its restriction on Valneva (search)'s chikungunya (search) vaccine Ixchiq for people aged 65 and older following a safety committee review.
The vaccine should only be administered when there is significant risk of chikungunya (search) infection and after careful benefit-risk consideration, according to the EMA.
The original restriction was imposed in May after 17 severe adverse events were reported, including two deaths, with the FDA also suspending use in people 60 and older.
The European Medicines Agency (search) on Friday lifted its order to pause use of Valneva (search)'s chikungunya (search) vaccine in people aged 65 years and older, marking a significant development in the ongoing safety evaluation of the first approved vaccine against this mosquito-borne disease.
Safety Committee Concludes Benefit-Risk Assessment
The decision to remove the restriction followed a comprehensive review by the regulator's safety committee, which concluded that the shot, called Ixchiq, should only be given to people of any age if there "is a significant risk of chikungunya (search) infection and after a careful consideration of the benefits and risks."
The EMA had originally limited the shot's availability in May after 17 severe adverse events were reported, including two deaths. This safety signal prompted both European and American regulators to take precautionary measures, with the Food and Drug Administration (search) also temporarily suspending use of the vaccine in people at least 60 years of age.
Regulatory Context and Implications
The lifting of the age restriction represents a measured approach to vaccine safety, allowing for targeted use in high-risk populations while maintaining heightened vigilance. The EMA's decision suggests that the safety committee determined the benefits of vaccination could outweigh the risks in specific circumstances where chikungunya (search) exposure is likely.
Chikungunya (search) is a viral disease transmitted by Aedes mosquitoes that can cause severe joint pain, fever, and other debilitating symptoms. The disease has spread globally in recent decades, making vaccination an important public health tool in endemic areas and for travelers to affected regions.
Ongoing Safety Monitoring
The regulatory action underscores the importance of post-market surveillance for newly approved vaccines. The identification of adverse events and subsequent regulatory response demonstrates the robust safety monitoring systems in place for pharmaceutical products, particularly those targeting vulnerable populations.
The coordinated response between the EMA and FDA also highlights the international cooperation in vaccine safety monitoring, ensuring that safety signals are promptly evaluated and appropriate measures are taken to protect public health while maintaining access to important medical interventions.