PR Newswire -- HealthLeaders-InterStudy, the leading provider of managed care market intelligence, has enhanced its Pharmacy Benefit Evaluator, a Web-based product that analyzes health plan pharmacy benefit structure and spending and the health plan-to-pharmacy benefit manager (PBM) relationship to better inform managed care sales strategy development. Now available with enrollment data as of January 2009, the new Pharmacy Benefit Evaluator platform offers an easy-to-navigate interface as well as a flexible report structure that enables comparisons across PBMs and health plans to evaluate how organizations compare on co-pays, spending and benefit design.