Study in Healthy Volunteers, to Evaluate the Safety, Efficacy and Dose Responses of SB-751689 (Ronacaleret)

Subjects in the Ronacaleret 100 mg group received one tablet orally of ronacaleret 100 mg for 5 consecutive days.

Subjects in the Ronacaleret 400 mg group received four tablets orally of ronacaleret 100 mg daily for 5 consecutive days.

Subjects in each group received a single dose of plerixafor (0.24mg/kg) SC on the evening of the Day 5 dosing approximately 12 hours before collection of CD34+ cells on day 6.