Impact of the implementation of a Fracture Liaison Service on pharmaceutical expenses for osteoporosis compared to an area without an FLS

Fracture Liaison Service (FLS) model for secondary prevention of fractures has demonstrated its cost-effectiveness using decision models. We analyze the impact of a FLS on pharmaceutical expenditures for osteoporosis (OP) in real-world circumstances.Expenditures on OP medications from January 2011 to January 2017 were compiled. Pharmaceutical expenditures in the southern area of Gran Canaria were used as a control group to measure the impact of implementing an FLS in the northern area. We estimated generalized least squares regressions with interrupted time-series analysis where two interventions were considered: March 2012 (implementation of the FLS) and March 2016 (incorporation of nursing staff for inpatients with hip fracture).The northern area incurred greater expenditures for group I and II drugs. The difference in bisphosphonates expenditures between areas varied from 10.5% higher in the northern area pre-FLS to 11.2% post-FLS and 18.3% since March 2016. However, interrupted time series models do not find a significant impact of implementation of FLS on the pharmaceutical expenditures for either drug group.The implantation of an FLS did not lead to an increase in pharmaceutical expenditures for OP over the 5-year period compared to the standard care provided for secondary fracture preventions.