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  • Title: Adrenocorticotropic hormone combined with magnesium sulfate therapy for infantile epileptic spasms syndrome: a real-world study.
    Author: He W, Wang QH, Li JW, Wang YY, Luo XM, Wan L, Wang J, Shi XY, Zhang WH, Fang F, Zou LP.
    Journal: World J Pediatr; 2024 Aug; 20(8):834-847. PubMed ID: 38070098.
    Abstract:
    BACKGROUND: Infantile epileptic spasms syndrome (IESS) is a serious disease in infants, and it usually evolves to other epilepsy types or syndromes, especially refractory or super-refractory focal epilepsies. Although adrenocorticotropic hormone (ACTH) is one of the first-line and effective treatment plans for IESS, it has serious side effects and is not sufficiently effective. METHODS: A retrospective study of the clinical outcomes of ACTH combined with magnesium sulfate (MgSO4) therapy for IESS in two hospital centers was conducted. The major outcome of the single and combined treatment was evaluated by changes in seizure frequency and improvements in hypsarrhythmia electroencephalography (EEG). To reduce the confounding bias between the two groups, we used SPSS for the propensity score matching (PSM) analysis. RESULTS: We initially recruited 1205 IESS patients from two Chinese hospitals and treated them with ACTH combined with MgSO4 and ACTH alone. Only 1005 patients were enrolled in the treatment (ACTH combined with MgSO4: 744, ACTH: 261), and both treatment plans had a more than 55% response rate. However, compared to patients treated with ACTH alone, those patients treated with ACTH combined with MgSO4 had better performance in terms of the seizure frequency and hypsarrhythmia EEG. After PSM, the two groups also showed significant differences in responder rate [70.8% (95% confidence interval, CI) = 66.7%-74.8%) vs. 53.8% (95% CI = 47.4%-60.2%), P < 0.001], seizure frequency (P < 0.001) and hypsarrhythmia EEG resolution (P < 0.001). Notably, multivariate analysis revealed that the lead time to treatment and the number of antiseizure medications taken before treatment were two factors that may affect the clinical outcome. Patients with less than 3 months of lead time responded to the treatment much better than those with > 3 months (P < 0.05). In addition, the overall incidence of adverse reactions in the ACTH combined with MgSO4 group was much lower than that in the ACTH group (31.4% vs. 63.1%, P < 0.001). During the treatment, only infection (P = 0.045) and hypertension (P = 0.025) were significantly different between the two groups, and no baby died. CONCLUSION: Our findings support that ACTH combined with MgSO4 is a more effective short-term treatment protocol for patients with IESS than ACTH alone, especially for those patients with short lead times to treatment. Video Abstract (MP4 533623 KB).
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