Respiratory Syncytial Virus (RSV)

Respiratory Syncytial Virus is a virus that infects the lungs and represents a serious unmet medical need in infants and children, as well as immune-compromised individuals and the elderly. RSV is the most common cause of bronchiolitis and pneumonia in children under the age of one. In one large US-based study, RSV infection in children was associated with 20% of hospitalizations, 18% of emergency department visits, and 15% of pediatric office visits for acute respiratory infections in the November-April timeframe. Though a prophylactic monoclonal antibody-based treatment is available for those considered at high risk for RSV infection, this study found that most young children affected by RSV infection were previously healthy, and thus would not normally be considered for prophylaxis. There is currently no effective treatment available for treating RSV infection.

Enanta has selected EDP-938, a potent non-fusion inhibitor of both RSV-A and RSV-B activity, as its first development candidate for RSV. New pre-clinical data demonstrated a rapid reduction in viral load, below the limits of detection (LOD) in animals treated with EDP-938. A phase 1 clinical study is expected to begin in the fourth quarter of 2017.


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