PT - JOURNAL ARTICLE AU - Carey, John J. TI - What is a ‘failure’ of bisphosphonate therapy for osteoporosis? DP - 2005 Nov 01 TA - Cleveland Clinic Journal of Medicine PG - 1033--1039 VI - 72 IP - 11 4099 - http://www.ccjm.org/content/72/11/1033.short 4100 - http://www.ccjm.org/content/72/11/1033.full SO - Cleve Clin J Med2005 Nov 01; 72 AB - Assessing the effectiveness of bisphosphonate therapy is problematic. Bone mineral density and markers of bone turnover are often used, but the true measure is prevention of new fractures.