Effects of therapies for Ebola virus disease: a systematic review and network meta-analysis

Specific treatments targeting Ebola virus are crucial in managing Ebola virus disease. To support the development of clinical practice guidelines on medications for Ebola virus disease, we aimed to evaluate the efficacy and safety of therapies for patients with Ebola virus disease. In this systemati...

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Published in:The Lancet. Microbe 2022-09, Vol.3 (9), p.e683-e692
Main Authors: Gao, Ya, Zhao, Yunli, Guyatt, Gordon, Fowler, Robert, Kojan, Richard, Ge, Long, Tian, Jinhui, Diaz, Janet, Lado, Marta, Youkee, Daniel, Ahmad, Aasim, Albertson, Cindy, Caluwaerts, Séverine, Camara, Modet, Crozier, Ian, De Clerck, Hilde, Dunachie, Susanna, Fischer, William A, Jamil, Bushra, Kabongo, Patrice, Kabuni, Patricia, Ngorombi, Charline Kahambu, Kakule, Maurice, Kolié, Marie-Claire, Lakoh, Sulaiman, Lang, Hans-Jörg, Moses, J Soka, Fiston, Isekusu Mpinda, Mulumba, Philippe Mukumbayi, Murthy, Srinivas, Samura, Sorie, Couban, Rachel, Hao, Qiukui
Format: Article
Language:English
Subjects:
Antibodies, Monoclonal, Humanized
Drug Combinations
Female
Hemorrhagic Fever, Ebola - drug therapy
Humans
Network Meta-Analysis
Pregnancy
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Summary:Specific treatments targeting Ebola virus are crucial in managing Ebola virus disease. To support the development of clinical practice guidelines on medications for Ebola virus disease, we aimed to evaluate the efficacy and safety of therapies for patients with Ebola virus disease. In this systematic review and network meta-analysis, we searched MEDLINE, Embase, the Cochrane Central Register of Controlled Trials, Scopus, Global Health, African Index Medicus, World Health Organization Global Index Medicus, the Cumulative Index to Nursing and Allied Health Literature, ClinicalTrials.gov, Epistemonikos, bioRxiv, medRxiv, and SSRN without language restrictions for randomised controlled trials (RCTs) published between database inception and Jan 1, 2022, comparing at least one therapeutic agent for Ebola virus disease against standard care or another therapeutic agent for Ebola virus disease. Two reviewers assessed study eligibility and extracted summary data independently using a standardised form. Our outcomes of interest were mortality, adverse maternal outcomes, risk of onward transmission, duration of admission to a health-care facility, functional status after Ebola virus disease, serious adverse events from medication, adverse perinatal outcomes, time to symptom resolution, and time to viral clearance. We did frequentist network meta-analyses to estimate the effect of all interventions and applied the Grading of Recommendations Assessment, Development and Evaluation approach to rate the certainty of the evidence. We registered the protocol with PROSPERO, CRD42022296539. We identified 7840 records through database searches, of which two RCTs with a total of 753 patients proved eligible. Only data on mortality, the duration of admission, serious adverse events, and time to viral clearance were available for meta-analysis. Compared with standard care, REGN-EB3 (relative risk [RR] 0·40, 95% CI 0·18 to 0·89; moderate certainty) and mAb114 (0·42, 0·19 to 0·93; moderate certainty) probably reduce mortality. Whether ZMapp (0·60, 0·28 to 1·26; very low certainty) and remdesivir (0·64, 0·29 to 1·39; very low certainty) reduce mortality compared with standard care is uncertain. With high certainty, REGN-EB3 reduces mortality compared with ZMapp (0·67, 0·52 to 0·88) and remdesivir (0·63, 0·49 to 0·82). With high certainty, mAb114 also reduces mortality compared with ZMapp (0·71, 0·55 to 0·91) and remdesivir (0·66, 0·52 to 0·84). Compared with standard care, REGN-EB3,
ISSN:2666-5247
2666-5247
DOI:10.1016/S2666-5247(22)00123-9