Abstract

BackgroundTwo oral therapies, nirmatrelvir/ritonavir (Paxlovid) and molnupiravir (Lagevrio), are now available for the treatment of coronavirus disease 2019 (COVID-19). Treatment guidelines recommend using these agents for nonhospitalized adults with mild to moderate COVID-19 who are at high risk of disease progression. Despite guideline recommendations, therapy is frequently underutilized, resulting in lost opportunity to prevent severe outcomes including death. ObjectiveThis study aimed to describe the implementation of a pharmacy consult service for oral COVID-19 therapy within the ambulatory care setting. Practice descriptionUpon receipt of a positive COVID-19 test result, providers were encouraged to place a pharmacy consult for review. Information required within the consult submission served as a simple guide for determining eligibility for therapy. Once submitted, the pharmacist would identify which oral COVID-19 medication and dosage was most appropriate. In addition, for nirmatrelvir/ritonavir, the pharmacist would provide clear and concise instructions on how to manage any significant drug-drug interactions identified. Upon consult completion, the provider would order the appropriate therapy. Practice innovationWe depict an interdisciplinary approach to facilitate oral COVID-19 therapy utilization at a health care system level. EvaluationVeterans with a positive COVID-19 test from January 10, 2022, to July 10, 2022, were identified. A chart review was then used to collect relevant patient demographics and outcomes. The primary outcome was the eligibility for and subsequent prescribing of oral COVID-19 therapy. ResultsOf the 245 positive COVID-19 cases, 172 (70%) were eligible for oral COVID-19 therapy. Of those eligible, 118 (68.6%) were offered therapy and 95 (80.5%) accepted. Nirmatrelvir/ritonavir was the predominant agent used with 16% requiring renal dosage adjustment. Pharmacists identified 167 significant drug-drug interactions with nirmatrelvir/ritonavir encompassing 42 unique medications. Fourteen of the interactions warranted the utilization of molnupiravir. ConclusionThe utilization of a pharmacy consult service has facilitated interdisciplinary team collaboration and ultimately empowered the utilization of oral COVID-19 therapy.

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