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PURPOSE The past decade has seen an increase in oral anticancer drug (OACD) approvals. Polypharmacy and drug-drug interactions (DDIs) likely contribute to OACD toxicity. We assessed a one-time pharmacist-led video consultation to identify DDIs. METHODS We conducted a single-arm telehealth intervention of a one-time 30-minute pharmacist-led video consultation among patients initiating OACDs. The visit focused on identifying polypharmacy and DDIs. Feasibility was defined as ≥50% completion of all study interventions. We determined the prevalence, characteristics, and severity of OACD-related potential DDIs. We also assessed the prevalence of medication list inaccuracies, polypharmacy, patient satisfaction, and patient perception of intervention acceptability, appropriateness, and feasibility. RESULTS Of 58 eligible patients, 43 (74%) completed the intervention and 33 (57%) completed all evaluations. Median medication per patient was nine (range 4-21), and 98% of patients had at least five prescriptions. The median number of medication list errors was two (range 0-16), with at least one error for 76% and >1 for 52%. Pharmacists identified OACD-related interactions in 18 cases (42%), including change in drug metabolism (eight), elimination (one), and absorption (three). Interactions were classified as Lexicomp categories C (13), D (five), or X (one) requiring close monitoring or a change in treatment. All patients expressed high satisfaction with the intervention and agreed or completely agreed that it was acceptable, appropriate, and feasible. CONCLUSION Polypharmacy, medication list errors, and DDIs are prevalent among patients initiating OACDs. A one-time remote pharmacist-led video consultation can address OACD-related DDIs, which may decrease medication complexity and improve adherence.
Lichtenstein et al. (Mon,) studied this question.
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