Role of clinical pharmacists in epilepsy management at a general hospital in Vietnam: a before-and-after study

BACKGROUND: Clinical pharmacists have an important role in inter-professional healthcare collaboration for epilepsy management. However, the pharmacy practices of managing epilepsy are still limited in Vietnam, deterring pharmacists from routine adjustments of antiepileptic drugs, which could decrease the patients’ quality of life. This study aimed to assess the effectiveness of pharmacist interventions in epilepsy treatment at a Vietnamese general hospital. METHODS: A before-and-after study was conducted from January 2016 to December 2018. All patients with a diagnosis of epilepsy and being treated at the investigated hospital were recruited and screened for eligibility and exclusion criteria. The primary outcome was the proportion of patients in good control of their epilepsy (with two seizures or less in a year). The secondary outcome was the number of patients maintaining optimized concentrations within the therapeutic range of carbamazepine (4–12 mg/L), phenytoin (10–20 mg/L), or valproic acid (50–100 mg/L). Collected data were analyzed using two proportions Z-test or Chi-square test. RESULTS: A total of 141 participants were enrolled in the study. While most patients were given lower prescribed daily doses than the recommendations from the World Health Organization, over 56% of the participants still experienced adverse drug effects. More than half of the patients received at least one pharmacists’ intervention, which increased by 25.0% the effectiveness of the therapy (p < 0.001) and by 14.6% the number of patients with optimized drug concentrations (p = 0.018). CONCLUSION: Epilepsy management requires a multiple-stepped and comprehensive approach, with a focus on the health and safety of the patients. As part of the healthcare team, pharmacists need to engage at every stage to monitor the patient’s response and determine the most effective treatment with the fewest adverse drug reactions. Trial registration ClinicalTrials.gov, NCT04967326. Registered July 19, 2021—Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT04967326