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To examine the feasibility and utility of a clinical pharmacist-led multidisciplinary deprescribing intervention in hospitalized cancer patients.We performed a retrospective cohort study among cancer patients hospitalized in oncology department who underwent a medication review by a clinical pharmacist. The pharmacist's recommendations were evaluated by a multidisciplinary team. We collected demographic and clinical information, including information on medication burden before and after intervention and number and types of deprescribing recommendations and their acceptance, and compared them among patients with different estimated life expectancies.During a 2-year study period, 392 patients evaluated by the clinical pharmacist received 2808 prescriptions (median, 7 per patient). The clinical pharmacist recommended deprescribing of 559 medications (19.9%; 95 CI, 18.4–21.4%), at least 1 medication in 321 patients (82%). The multidisciplinary team accepted 89.6% of deprescribing recommendations, resulting in a reduction of the medication burden by 501 medications (P < 0.001). 12.8% of deprescriptions addressed clinically manifested adverse drug effects in 15.1% of patients. The estimation of life expectancy by the senior oncologist was reasonably accurate, but did not affect deprescribing rate.A clinical pharmacist-led deprescribing intervention within a multidisciplinary team effectively reduces medication burden and addresses adverse drug effects in cancer patients. Deprescribing interventions should be incorporated in cancer patients at any stage of the disease. [ABSTRACT FROM AUTHOR]

Introduction: Acute kidney injury (AKI) after high dose methotrexate (HD-MTX) is associated with delayed MTX-excretion and life-threatening toxicity. Glucapridase, the recommended therapy, is expensive and not always available. Case series: We describe 3 cases (69, 67, 73 years) with diffuse large B-cell lymphoma who developed AKI and early-onset severely delayed MTX elimination after HD-MTX. MTX serum concentrations were 101 and 69 μmol/L at 24 h after administration in two patients and 34 μmol/L at 32 h in the third. Management and outcome: Since glucarpidase was unavailable, we performed daily high-flux hemodialysis (HF-HD) or online hemodiafiltration (HDF) sessions (median duration, 6 h). The median serum MTX elimination half-life during HDF/HF-HD sessions was similar in all patients (median, 4.4 h; IQR, 3.8–5.3 h), but serum MTX concentrations rebounded after each dialysis by a median of 40% of the trough concentrations. The three patients underwent multiple dialysis sessions, until MTX serum concentrations remained sufficiently low to be neutralized by leucovorin. Only 1 patient developed severe pancytopenia, and renal function normalized in all patients after 3–6 weeks. Discussion: In conclusion, when glucarpidase is unavailable or delayed, early, repeated and prolonged HDF/HF-HD effectively enhance MTX elimination and prevent toxicity in patients with AKI and severely delayed MTX elimination after HD-MTX. [ABSTRACT FROM AUTHOR]