Health Services Research has published a study examining whether medication adherence lowers Medicare spending among beneficiaries with diabetes.  The authors found that adherence does lower Medicare costs, and offered strategies to improve medication adherence and lower costs.

Stuart, B., et. al.  (2011).  Does medication adherence lower Medicare spending among beneficiaries with diabetes?  Health Services Research, 46 (4): 1180-1999.  doi: 10.1111/j.1475-6773.2011.01250.x.  http://onlinelibrary.wiley.com/doi/10.1111/j.1475-6773.2011.01250.x/abstract;jsessionid=BB6A0465FAAD18988396BD81997BF844.d03t04

Authors: Bruce Stuart, Amy Davidoff, Ruth Lopert, Thomas Shaffer, J. Samantha Shoemaker and Jennifer Lloyd.