Sodium–glucose co-transporter-2 inhibitors for hospitalised patients with COVID-19: a prospective meta-analysis of randomised trials

Claire Vale, Peter Godolphin, David Fisher, Peter Horby, Mikhail Kosiborod, Judith Hochman, Katie E Webster, Julian P T Higgins, Andrew Althouse, Otavio Berwanger, Remo Furtado, Samvel Gasparyan, Richard Haynes, Gary Koch, Martin Landray, Eric Leifer, John Marshall, Srinivas Murthy, Matthew Neal, Natalie StaplinJanet Diaz, Jonathan A C Sterne, Manu Shankar-Hari*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)

Abstract

Background Sodium–glucose co-transporter-2 (SGLT2) inhibitors have been proposed as a potential treatment for
adults hospitalised with COVID-19, due to their potential anti-inflammatory and endothelial protective effects.
Published evidence from randomised control trials (RCTs) does not provide evidence of benefit. We aimed to estimate
the effect of oral administration of SGLT2 inhibitors compared with usual care or placebo in adults hospitalised with
COVID-19.
Methods Eligible RCTs that estimated the effect of oral administration of SGLT2 inhibitors compared with usual care
or placebo on 28-day all-cause mortality (primary outcome) were included in this prospective meta-analysis. The
primary safety outcome was ketoacidosis by 28 days. Trials were identified through systematic searches of
ClinicalTrials.gov, EudraCT, and the WHO ISRCTN registry between Nov 1, 2022 and Jan 31, 2023. The search terms
were “random*” AND “COVID” AND each SGLT2i, not restricted by trial status or language. Individual searches
were then combined. Prespecified summary outcome data, overall and within subgroups of interest, were provided by
each trial. The primary analyses were inverse variance weighted meta-analysis of odds ratios (ORs). Risk of bias was
assessed using the Cochrane Risk of Bias tool. This study was registered with PROSPERO, CRD42023406442.
Findings Three eligible trials randomly assigned 6096 participants (3025 to the SGLT2 inhibitor group and 3071 to the
usual care or placebo group). 2381 (39%) patients were women and 1547 (25%) had type 2 diabetes at randomisation.
By 28 days, there were 351 deaths in the SGLT2 inhibitor group and 382 deaths in the usual care or placebo group
(summary OR 0·93 [95% CI 0·79–1·08]; p=0·33, I² for inconsistency across trials 0%). The risk of bias was assessed
as being low. Ketoacidosis was observed in seven participants in the SGLT2 inhibitor group and two patients in the
usual care or placebo group.
Interpretation Although administration of SGLT2 inhibitor was safe, we found no clear evidence that adding SGLT2
inhibitor therapy improved outcomes in patients hospitalised with COVID-19 compared with usual care or placebo.
These data do not support the use of SGLT2 inhibitors as standard treatment in adults hospitalised for COVID-19
Original languageEnglish
Pages (from-to)735-747
Number of pages13
JournalThe Lancet Diabetes and Endocrinology
Volume12
Issue number10
Early online date6 Sept 2024
DOIs
Publication statusPublished - 1 Oct 2024

Bibliographical note

Publisher Copyright:
© 2024 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license

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