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Drug Information Services↗

Buspirone, a novel nonbenzodiazepine anxiolytic.

The chemistry, pharmacology, pharmacokinetics, clinical efficacy, adverse effects, dosage, administration, and availability of buspirone hydrochloride, a novel nonbenzodiazepine anxiolytic, are reviewed. Buspirone hydrochloride is an azaspirodecanedione anxiolytic. The exact mechanism of its anxiolytic action is unknown. It does not appear to influence the benzodiazepine-gamma-aminobutyric acid-chloride ionophore complex as the benzodiazepines do. It antagonizes striatal-dopamine autoreceptors, and it may act as a midbrain modulator exerting selective anxiolytic activity. Buspirone is rapidly absorbed after oral administration. Administration with food appears to slow the rate of drug absorption and increase the amount of unchanged drug reaching the systemic circulation. Buspirone's elimination half-life is 2.5-3 hours. It is extensively metabolized, with less than 1% of an administered dose excreted as unchanged drug. The contribution of its metabolites to its anxiolytic effects is unknown. Buspirone has been shown to be as effective as diazepam and clorazepate and more effective than placebo in the treatment of generalized anxiety. Buspirone lacks the sedative, muscle relaxant, and anticonvulsive effects of the benzodiazepines. Its adverse effects are minimal, with dizziness, nervousness, and headaches as the most common side effects. Buspirone does not impair driving skills, interact with alcohol or concomitant medications, or produce physiologic dependence. It appears to have little potential for abuse. The average daily adult dose is 15-20 mg. Buspirone hydrochloride is an effective drug in the treatment of generalized anxiety disorder that is comparable with the conventional benzodiazepine anxiolytics.

Anti-Anxiety Agents↗

The Medicaid drug program in Louisiana: critique of the Hefner-Pracon Study.

Critiqued is a study that concluded a restrictive state Medicaid formulary caused an adverse impact on health and increased the cost of nondrug services. The study is criticized because the state's drug restrictions were not of major import, the before and after date were handled in a simplistic manner, and no distinction was made between correlation and causation. Readers should proceed cautiously before accepting the results of research projects sponsored or disseminated by interested parties.

Cost-Benefit Analysis↗

Comprehensive pharmaceutical services for a state correctional facility.

A contractual model for comprehensive pharmaceutical services involving a major medical center pharmacy, a university, and a state department of corrections is described. Project goals and methods for the provision of services are described. These include areas of formulary development, inventory management, drug distribution, on-site placement of pharmacy operations, and educational development. Impact of the program was assessed over a 30-month period. Development of policies and procedures for drug use in a correctional setting enabled implementation of a strict patient population-specific drug formulary. Procedural changes resulted in an 83% decrease in on-site drug inventories and a 62% decrease in quarterly drug expenditures. A one-time saving of more than $26,500 resulted from the decrease in on-site inventory, and an annual saving of $44,000 is projected for decreased drug expenditures. All but five controlled substances were removed from the formulary, and only 13 nonprescription items remained in the formulary. An educational course on health care in correctional settings provided exposure for pharmacy students to this new area of institutional practice. The contractual model proved both cost-effective and functional for the department of corrections.

Education, Pharmacy↗