Amgen Inc. and UCB Group have appeared to lock in their head start in the race to get new osteoporosis biologics market, with the July 21 announcement that they had submitted the biologics license application (BLA) submission to the US FDA for their investigational monoclonal antibody romosozumab.
The drug works by binding and inhibiting sclerostin (a protein naturally occurring in the bone) thereby increasing bone formation and decreasing bone resorption