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Managing Medication Expenditures Without Cost-Sharing

August 13th, 2007 at 9:15 am · Allan Showalter, MD · Economics, Policies & Regulations · No Comments

Controlling Prescription Drug Expenditures:
A Report of Success

David P. Miller, MD; Curt D. Furberg, MD, PhD; Ronald H. Small, MBA; Franklyn M. Millman, MD; Walter T. Ambrosius, PhD; Julia S. Harshbarger, PharmD; and Christopher A. Ohl, MD
Am J Manag Care. 2007;13:473-480



Using Multiple Clinical Administrative Strategies To Control Pharmaceutical Costs

To hold the line on prescription medication costs without decreasing the necessary use of drugs ordered for treatment of chronic conditions, the health plan covering the 11,000 employees of Wake Forest University Health Sciences and North Carolina Baptist Hospital instituted four administrative level interventions, none of which resulted in higher out-of-pocket charges to individual patients, even if they were, as a result, shifted to a more expensive medication.

The four policies, their fiscal impact, and their effect on clinical utilization are summarized in this excerpt from the article:

The program included formulary changes, quantity limits, and mandatory pill splitting for select drugs implemented in phases. We assessed the short-term effects of each intervention by comparing class-specific drug spending and generic medication use before and after benefit changes. Long-term effects were determined by comparing overall spending with projected spending estimates, and by examining changes in the planwide use of generic medications over time. Effects on medication utilization were assessed by examining members’ use of selected classes of chronic medications before and after the policy changes. Results: Over 3 years, the plan and members saved $6.6 million attributed to the interventions. Most of the savings were due to the reclassification of select brand-name drugs to nonpreferred status (estimated annual savings, $941 000), followed by the removal of nonsedating antihistamines from the formulary (annual savings, $565 000), and the introduction of pill splitting (annual savings, $342 000). Limiting quantities of select medications had the smallest impact (annual savings, $135 000). Members’ use of generic medications steadily increased from 40% to 57%. Although 17.5% of members stopped using at least 1 class of selected medications, members’ total use of chronic medications remained constant.

Commentary

This article serendipitously came to my attention shortly after I published the previous entry in this blog, Another Case Of Cash For Compliance, which focused on monetary incentives and disincentives, including cost-sharing,1 implemented to improve healthcare habits and cut costs.

The decision of this organization to eschew shifting some or all of the costs of more expensive drugs to patients to discourage their use made this article a striking counterpoint to the accounts of plans opting for cost-sharing.

While the results for the Wake Forest University Health Sciences and North Carolina Baptist Hospital health plan have been encouraging thus far, especially given that prescription medication costs have increased between 8% and 15% annually in this country since the year 2000, caveats are in order.

Most importantly, the study, as the authors note, only looked at one clinical parameter, the utilization of chronic medications; the effect of these interventions on other clinical outcomes (e.g., hospitalization rate) must also be determined.

Moreover, the clinical offerings and the pricing structure of the pharmaceutical industry have been and are likely to continue to be in flux (a factor also acknowledged in the article). Today’s successful price-cutting tactic can be rendered ineffective or even counterproductive by a policy shift at one of more of the medication manufacturers.

For example, pill splitting, used in this study to “yield substantial cost savings,” could be eliminated overnight by a simple change in the nonobligatory one pill, one price policy (i.e., a 25 mg dose and a 50 mg dose of a medication is typically sold for the some price, allowing a patient to split one 50 mg pill into two 25 mg doses at a saving of 50%) of many pharmaceutical producers which, as I’ve pointed out in a previous post, Intentional Noncompliance With Treatment, already consider the tactic subversive and seem well along toward the rationalization that it could be dangerous to patients.

And, of course, clinical discoveries can have analogous results, although cataclysmic changes may be less likely to occur without warning.

Nonetheless, the findings of this study support the notion that health plans willing to continually track, evaluate, and reassess pertinent changes in the clinical and business spheres of healthcare and adjust their own benefit structure accordingly can make impressive progress toward the goal of affordable healthcare.



Footnotes

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  1. Previous posts on cost-sharing:

Tags: Economics · Policies & Regulations