Impact of a Target Drug Monitoring Program on the Usage of Clindamycin
DOI:
https://doi.org/10.4212/cjhp.v47i2.2369Keywords:
clindamycin, cost-avoidance, drug use evaluation, clindamycine, évaluation de l’utilisation des médicaments, évitement des coûtsAbstract
ABSTRACT
The use of parenteral clindamycin at the Health Sciences Centre had not been amendable to traditional cost containment strategies. Clindamycin was targeted through a Target Drug Monitoring (TDM) Program to improve its appropriate use. A retrospective audit was conducted to serve as a baseline. In the concurrent phase, the TDM pharmacist reviewed and assessed clindamycin cases based on approved criteria. Those cases which failed to meet the criteria were targeted in order to convert clindamycin to alternative agents.
The concurrent TDM program reviewed 339 cases of clindamycin over a 32-week period, of which 76 cases (22.4%) failed to meet the criteria and were targeted. Of the 76 recommendations, 48 (63.2%) were accepted. Cost-avoidance due to direct intervention was approximately $16,000 annualized compared to $28,000 estimated from the retrospective audit. Fiscal year-end antibiotic usage indicated a dramatic decline (32%) in clindamycin use. Net savings of $37,600 were attributed to modification of physician prescribing.
The TDM program was successful in identifying areas of inappropriate clindamycin use and correcting them by direct interaction with the prescriber(s).
RÉSUMÉ
L'utilisation de la clindamycine administrée par voie parentérale au Centre des sciences de la santé n'était pas conciliable avec les stratégies traditionnelles de limitation des coûts. On a ciblé la clindamycine dans le cadre d'un programme de monitorage de médicaments cibles (MMC) afin d'en favoriser l'utilisation appropriée. On a effectué une vérification rétrospective comme point de référence. Durant l'étape concurrente, le pharmacien MMC examinait et évaluait les cas de clindamycine en fonction de critères approuvés. Les cas qui ne répondaient pas aux critères ont été ciblés en fonction d'une conversion de la clindamycine à d'autres agents.
Le programme MMC concurrent a permis d'examiner 339 cas de clindamycine au cours d'une période de 32 semaines, y compris 76 cas (22,4%) qui, ne répondant pas aux critères, ont été ciblés; 48 des 76 recommandations (63,2%) ont été acceptées. L'évitement de coûts attribuable à l’estimation de 28 000 $ tirée de la vérification rétrospective. L'utilisation d'antibiotiques en fin d'exercice a indiqué une baisse spectaculaire (32%) de l'utilisation de la clindamycine. Des économies nettes de 37 600 $ ont été attribuées à la modification des habitudes de prescription.
Le programme MMC a permis de cerner des cas d'utilisation inappropriée de la clindamycine et d'apporter des corrections en communiquant directement avec le ou les prescripteurs.
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