GSK's long acting HIV injection gets boost from study

GlaxoSmithKline's experimental HIV injection is as effective when given every other month as monthly, according to a study, a convenience that could help the British drugmaker in its battle against a rival drug from Gilead Sciences.GSK's two-drug injection was as effective as a monthly dose of the same regimen in maintaining viral suppression at 48 weeks in a late-stage study, said ViiV Healthcare, GSK's HIV unit.