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American Public Health Association
133rd Annual Meeting & Exposition
December 10-14, 2005
Philadelphia, PA
APHA 2005
 
4171.0: Tuesday, December 13, 2005 - Board 7

Abstract #116232

Private health plans' coverage and management of medications for treating substance abuse

Dominic Hodgkin, PhD1, Constance M. Horgan, ScD2, Elizabeth L. Merrick, PhD, MSW, Deborah W. Garnick, ScD4, and Joanna Volpe-Vartanian, MS, LICSW5. (1) Schneider Institute for Health Policy, The Heller School for Social Policy and Management, Brandeis University, 415 South Street, MS 035, Waltham, MA 02454, 781-736-8551, hodgkin@brandeis.edu, (2) Schneider Institute for Health Policy, Heller Graduate School, Brandeis University, 415 South Street, MS 035, Waltham, MA 02454, (3) Schneider Institute for Health Policy, The Heller School for Social Policy and Management, Brandeis University, 415 South Street, Mailstop 035, Waltham, MA 02454, (4) Schneider Institute for Health Policy, Heller School for Social Policy and Management, Brandeis University, MS 35,415 South St, Waltham, MA 02454

Important clinical advances in the pharmacologic treatment of addiction have been made recently. An important logistical development is that buprenorphine can be prescribed for drug-dependent individuals in an office-based setting. At the same time, many US health plans have implemented cost-sharing requirements and administrative controls to constrain their escalating medication costs. Such policies may impact alcohol and drug-dependent patients' use of these medications, that have demonstrated clinical and logistic advantages. These policies include formulary coverage exclusions, restrictions on first-line use, prior authorization requirements and placing medications on cost-sharing tiers with higher copayments. This study reports on the extent and stringency of private health plans' management of two medications for alcohol treatment (naltrexone, disulfiram), and three for opioid dependence (suboxone, subutex, LAAM). We surveyed commercial health plans in 60 US market areas regarding administrative and clinical aspects of behavioral health care delivery in 2003, yielding national estimates of plan features (N=368, response rate 83%). Thirty percent of plans excluded coverage for all three newer drugs for treating opioid dependence. Half of plans place these opioid medications on the highest cost-sharing tier, while 27% do so for disulfiram. Eleven percent of plans exclude generic naltrexone altogether. Disulfiram is the only medication for substance abuse that is both rarely excluded from coverage and usually placed on an intermediate cost-sharing tier. Plans are significantly more likely to employ either coverage exclusion or high cost-sharing tier placement for substance abuse medications than they are for antidepressants or antipsychotics.

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