Efficacy of risedronate on clinical vertebral fractures within six months

OBJECTIVE: Postmenopausal osteoporotic women with pre-existing or new incident vertebral fractures are at high risk for future fracture, so prompt treatment is warranted. Risedronate has been shown to reduce the incidence of radiographically-defined vertebral fractures by approximately two-thirds within 1 year. RESEARCH DESIGN: This study examined the effects of risedronate treatment on the time course of the reduction in the risk of clinical …