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Selecta receives $1.25 mn grant from Bill & Melinda Gates Foundation to speed up new dual action vaccine for malaria
Watertown, Massachusetts | Thursday, June 19, 2014, 10:00 Hrs  [IST]

Selecta Biosciences, a clinical stage biotechnology company developing a novel class of targeted antigen-specific immune therapies, announced that it has been awarded a $1.25 million grant from the Bill & Melinda Gates Foundation. The grant supports the research by Selecta for a novel dual action, immune-activating Synthetic Vaccine Particle (SVP) for malaria.

Selecta’s proprietary SVP technology can be designed to activate the immune system in order to enable dual action vaccines by individually optimizing nanoparticles against multiple antigens and by allowing their combinatorial testing. If successful, a dual action, immune-activating SVP nanoparticle vaccine could offer the potential to protect against malaria by both fighting the parasite during early infection, and simultaneously blocking malaria transmission via infected mosquitoes. The biodegradable nanoparticle also permits targeted delivery and controlled release of immune boosting adjuvants to relevant immune cells, thereby shielding the adjuvants from interactions with other cells that may induce the undesirable side-effects associated with other adjuvants.

Selecta’s lead formulation for malaria has been developed by systematically optimising the immune response to various key parameters, such as adjuvant release rate, antigen and adjuvant load and nanoparticle size. The candidate was designed and selected based upon its demonstrated ability in preclinical rodent studies to outperform benchmarks in terms of antibody levels and protection in a malaria parasite challenge model. Selecta’s malaria programme will build on efforts that began in 2011 under a Leidos’ (formerly SAIC) Malaria Vaccine Production and Support Services contract with the National Institute of Allergy and Infectious Diseases (NIAID).

“Working with a global leader in vaccines, such as the Bill & Melinda Gates Foundation, will allow us to maximise our platform’s capabilities in the next stage of preclinical studies, in which we aim to show proof of concept for robust and durable responses to two diverse targets relevant to malaria,” said Werner Cautreels, Ph.D., president and chief executive officer, of Selecta Biosciences. “This collaboration accelerates our ability to evaluate our technology to treat a range of diseases that impact human health.”

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