Does early administration of bisphosphonate affect fracture healing in patients with intertrochanteric fractures?

90 osteoporotic patients, that have undergone fixation for an intertrochanteric fracture, were randomized to receive oral administration of a bisphosphonate (Risedronate) starting either one week, one month, or three months after surgery. The results demonstrate that the timing of bisphosphonate administration following hip fracture surgery does not affect time to fracture healing or incidence of complications. There were no significant differences between the three groups.