• Anna Sutherland, Charlotte Meldon, Timothy Harrison, and Mary Miller.
• Department of Palliative Medicine, Michael Sobell House Hospice, Churchill Hospital, Oxford, United Kingdom.
• J Palliat Med. 2021 Jul 1; 24 (7): 976-981.

AbstractObjectives: The aim of this study is to report the results of a second cycle audit of the use of subcutaneous levetiracetam (Keppra®) and an updated literature review of management of seizures in palliative care patients. Methods: A comprehensive literature review on the use of subcutaneous levetiracetam performed in 2016 was updated. A retrospective audit of the use of subcutaneous levetiracetam for inpatients at Sir Michael Sobell House Hospice during the period of 2019-2020 was performed. Ethical approval was not required and was therefore not sought. Results: We report an additional 66 cases identified through an updated literature review and our audit. Fourteen articles were identified from the literature review, reporting a total of 120 cases where subcutaneous levetiracetam was administered. We report 19 further cases of subcutaneous levetiracetam administration between April 2019 and April 2020. Doses ranged from 500 mg to 4000 mg daily. Doses above 2000 mg were administered using a T60 syringe driver. The oral-to-subcutaneous conversion ratio was 1:1 in all but one case where the dose had to be reduced to fit a T34 syringe driver, after which the T60s were purchased. Levetiracetam was not mixed with other medications, but administered alone using water as the diluent for injection. Where necessary, the dose was appropriately adjusted for renal function. No site reactions were reported. Conclusions: Combined analysis of the 139 cases of subcutaneous levetiracetam administration suggests that this treatment continues to have a role in management of seizures at the end of life. Clinical outcomes suggest that therapeutic levels may be achieved, although there are only very limited data available with a few cases worldwide to support this. Randomized controlled trials are urgently needed to establish the efficacy and tolerability of subcutaneous levetiracetam administration.

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