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Last updated : 15/09/2026 - 16h58
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Pfizer and Valneva: Their Lyme Disease Vaccine Effective Over 70%

Pfizer and Valneva announced on Monday the positive results of the phase 3 VALOR clinical trial of their Lyme disease vaccine candidate. The companies are preparing regulatory submissions following these results.


Pfizer and Valneva: Their Lyme Disease Vaccine Effective Over 70%

Effective Prevention in Clinical Trials

The vaccine candidate LB6V, formerly known as VLA15, demonstrated an efficacy rate of over 70% in preventing Lyme disease in individuals aged five years and older in the VALOR trial. The vaccine was well tolerated, and no safety concerns were identified at the time of data analysis.

Regulatory Submissions Planned

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Pfizer plans to submit the vaccine candidate to regulatory authorities. These results bolster confidence in the vaccine candidate's profile, according to the press release.



Sector Pharmacie et biotechnologies Vaccins et laboratoires de recherche


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Context

Period
  • Period: S1 2026
Key reported figures
  • Revenue: 65,8 millions d'euros
  • Quarterly revenue: 65,8 millions d'euros
  • Revenue growth: -32,6 %
  • EBITDA: -39,8 millions d'euros
  • Net income: -63,3 millions d'euros
Guidance from the release
  • Malgré l'impact négatif persistant du contexte géopolitique sur les voyages, Valneva a confirmé ses perspectives pour 2026
Risks mentioned
  • Impact négatif persistant du contexte géopolitique sur les voyages affectant les ventes de produits
  • Dépendance commerciale élevée envers les livraisons d'IXIARO au Département américain de la Défense avec calendrier incertain
  • Recentrage stratégique d'IXCHIQ sur les marchés endémiques affectant les perspectives commerciales du vaccin contre le chikungunya
Opportunities identified
  • Décisions réglementaires attendues pour le candidat vaccin LB6V contre la maladie de Lyme dans les 12 prochains mois
  • Amélioration attendue des marges brutes au second semestre après impact d'éléments non récurrents au S1 2026
  • Bénéfices futurs de l'initiative de restructuration visant à réduire la consommation de trésorerie et optimiser les opérations
Outlook / guidance
  • Expected revenue: 147,5 millions d'euros

The information presented in this article is provided for informational purposes only and does not constitute an investment recommendation, an incentive to buy or sell a financial asset, or investment advice. Readers are invited to conduct their own research before making any decision.

Investments in the stock market involve risks, including the risk of capital loss. Past performance of an asset or market is no guarantee of future results. Any investment decision should be made taking into account your personal financial situation, objectives and risk tolerance.

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