August 27, 2021

Ciprofloxacin for Treatment of Drug-Resistant Epilepsy

Abstract, originally published in Epilepsy Research

Purpose: To investigate the efficacy of short-term treatment with ciprofloxacin in alteration of gut microbiota pattern and reduction of seizure frequency in adult patients with drug-resistant epilepsy.

Methods: In a prospective study, we investigated the effect of a 5-day course of treatment with ciprofloxacin on gut microbiota pattern and seizure frequency of 23 adults with drug-resistant epilepsy. Fecal samples were collected before and after treatment and were analyzed for microbial load and species. Changes in seizure frequency were registered for 12 weeks. Responders were defined as patients who experienced ?50 % seizure reduction in comparison to baseline. Outcome measures were specified as alteration in fecal microbial burden in days 5-7 and responder rate in 4th and 12th weeks.

Results: The mean baseline frequency of seizures was5.6 ±7.7 per week. All patients were on polytherapy with a mean of 3 ± 1.2 anti-seizure medications. Microbial analysis showed a considerable increase in Bacteroidetes/Firmicutes ratio after treatment. Seizure frequency significantly decreased at the end of first week and the therapeutic effect continued to week 12 (P < 0.001). The responder rate at 4th and 12th weeks were 69.6 % and 73.9 % respectively with a more prominent response in patients with symptomatic generalized epilepsy (P:0.06).

Conclusion: Alteration of abnormal gut microbiota pattern by methods such as short-course antibiotic therapy, prescription of probiotics and fecal microbiota transplant might be effective in treatment of drug-resistant epilepsy.

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