PMID: 15228372Jul 2, 2004Paper

Effects of an increase in prescription copayment on utilization of low-sedating antihistamines and nasal steroids

Journal of Managed Care Pharmacy : JMCP
Brian L MeissnerJohn M Little

Abstract

Health plans are using 3-tier copayment designs and other methods to control utilization that shifts drug costs to plan members. There is a need to determine the effects of increased member cost sharing on drug utilization and drug costs. To assess the impact of a 10 US dollars increase in prescription copayment in a public employer health plan for 2 classes of drugs used for allergic rhinitis. Changes in the number of prescriptions dispensed for 2 therapeutic classes.low-sedating antihistamines (LSAs) and nasal steroids (NSs).were examined 1 year prior to and 1 year after copayment increase. Relative price effects were measured as arc price elasticity, the ratio of the percent change in prescription utilization over the percent change in price, an indicator of how responsive patients are to the copayment increase. Of 8,643 continuously enrolled health plan beneficiaries, 2,150 patients (24.8%) received at least 1 NS or LSA during the 2-year period of the study, from January 1, 1998, through December 31, 1999. An average 10 US dollars increase in copayment per prescription was associated with no statistically significant change in utilization of combined LSA and NS prescriptions, 2.89 per patient in 1998 and 2.94 in 1999 (P = 0...Continue Reading

Citations

Jan 13, 2005·The Annals of Pharmacotherapy·Patrick P GleasonKristin R Gericke
May 6, 2008·International Journal for Equity in Health·Marin C GemmillElias Mossialos
Feb 27, 2009·BMC Health Services Research·Anke-Peggy HoltorfGary Oderda

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