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Older Drugs, Shorter Lives? An Examination of the Health Effects of the Veterans Health Administration Formulary

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Publication Date: October 2005

Publisher(s): Manhattan Institute for Policy Research. Center for Medical Progress

Author(s): Frank R. Lichtenberg

Topic: Health (Pharmaceutical services)
Health (Health care financing)
Military and defense (Veterans)

Keywords: Veterans Health Administration; pharmaceuticals; medicare; pharmacy benefits

Type: Report

Coverage: United States

Abstract:

This paper examines access to new drugs under the pharmacy benefits management system of the Veterans Health Administration (VHA). The VHA's National Formulary, implemented in 1997, discourages access to new drugs in an effort to control overall pharmaceutical costs. Some public figures have argued that this system should also apply to purchases under the new Medicare drug benefit, making the study of its effects on patient health particularly important.

Only 38% of the drugs approved in the 1990s, and 19% of the drugs approved by the FDA since 2000, are on the VA National Formulary. Only 22% (17) of the 77 priority-review drugs approved since 1997 are on the 2005 National Formulary.

The drugs used in the VA health system from 1999 to 2002 were older than the drugs used in the rest of the U.S. health-care system. For example, the percentages of VA and non-VA prescriptions for drugs less than five years old were 5.6% and 8.6%, respectively, and the percentages for drugs less than fifteen years old were 31.4% and 39.0%.

This paper estimates the impact of the use of new drugs on longevity, based on annual data on Medicaid drug use and mortality by state, disease, and year, for all fifty states during the period 1991-2001. These estimates imply that increased use of older drugs in the VA system, as a result of the Formulary, has reduced mean age at death of its patients by 0.17 years, or 2.04 months; the value of this reduction in longevity may be nearly $25,000 per person.

Moreover, demographic data published by the VA indicate that the life expectancy of veterans increased substantially before the National Formulary was introduced (during 1991-97) but did not increase, and may even have declined, after it was introduced (1997-2002).

There are many proposals in Congress to adopt a system similar to the VA National Formulary for purchases under the new Medicare drug benefit. These data suggest that such a proposal could reduce life span and survival rates among the Medicare population, raising serious questions about the wisdom of these proposals.