MedImmune has begun a Phase III trial to evaluate the safety and efficacy of MEDI-493, the firm's humanized monoclonal antibody for the prevention of serious respiratory syncytial virus infection in high-risk infants. The Impact-RSV trial will be conducted in North America and the UK and will enroll about 1,200 premature infants and children with bronchopulmonary dysplasia. Results should be available in third-quarter 1997.
Given by intramuscular injection, MEDI-493 is intended as a replacement for RespiGam, MedImmune's already-licensed RSV antibody, which requires a 2-4-hour intravenous infusion.
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