Albendazole and Corticosteroids for the Treatment of Solitary Cysticercus Granuloma: A Network Meta-analysis

Bing-Cheng Zhao, Hong-Ye Jiang, Wei-Ying Ma, Da-Di Jin, Hao-Miao Li, Hai Lu, Hideaki Nakajima, Tong-Yi Huang, Kai-Yu Sun, Shu-Ling Chen and Ke-Bing Chen

PLOS Neglected Tropical Diseases, 2016, vol. 10, issue 2, 1-15

Abstract: Background: Solitary cysticercus granuloma (SCG) is the commonest form of neurocysticercosis in the Indian subcontinent and in travelers. Several different treatment options exist for SCG. We conducted a Bayesian network meta-analysis of randomized clinical trials (RCTs) to identify the best treatment option to prevent seizure recurrence and promote lesion resolution for patients with SCG. Methods and Principal Findings: PubMed, EMBASE and the Cochrane Library databases (up to June 1, 2015) were searched for RCTs that compared any anthelmintics or corticosteroids, alone or in combination, with placebo or head to head and reported on seizure recurrence and lesion resolution in patients with SCG. A total of 14 RCTs (1277 patients) were included in the quantitative analysis focusing on four different treatment options. A Bayesian network model computing odds ratios (OR) with 95% credible intervals (CrI) and probability of being best (Pbest) was used to compare all interventions simultaneously. Albendazole and corticosteroids combination therapy was the only regimen that significantly decreased the risk of seizure recurrence compared with conservative treatment (OR 0.32, 95% CrI 0.10–0.93, Pbest 73.3%). Albendazole and corticosteroids alone or in combination were all efficacious in hastening granuloma resolution, but the combined therapy remained the best option based on probability analysis (OR 3.05, 95% CrI 1.24–7.95, Pbest 53.9%). The superiority of the combination therapy changed little in RCTs with different follow-up durations and in sensitivity analyses. The limitations of this study include high risk of bias and short follow-up duration in most studies. Conclusions: Dual therapy of albendazole and corticosteroids was the most efficacious regimen that could prevent seizure recurrence and promote lesion resolution in a follow-up period of around one year. It should be recommended for the management of SCG until more high-quality evidence is available. Author Summary: Neurocysticercosis is an infection of the central nervous system by the larva of Taenia solium (pork tapeworm). It is a leading cause of epilepsy in the world. The disease takes many different forms, each with different optimal treatment. In this study, we focused on the treatment of solitary cysticercus granuloma (SCG), previous evidence on which is inconclusive. Since many different regimens have been compared in clinical trials of SCG, we conducted a network meta-analysis. This method is powerful as it can analyze quantitatively all of the data from all comparisons together. The result can tell us how different treatments perform against each other and how treatments should be ranked. The outcomes of our meta-analysis suggest that the combination of albendazole and corticosteroids is the most efficacious regimen to control seizures in affected patients and to promote the total disappearance of the lesion, compared with albendazole alone, corticosteroids alone, and conservative treatment.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pntd00:0004418

DOI: 10.1371/journal.pntd.0004418

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