Expression of concern

Effect of early treatment with metformin on risk of emergency care and hospitalization among patients with COVID-19: the TOGETHER randomized platform clinical trial

Paper Information

Record ID:
60864
Publication Date:
December 14, 2021
Retraction Date:
February 22, 2024 (1.7 year years ago)
Article Type:
Publisher:
Elsevier
Open Access:
Yes
PubMed ID:
Retraction PubMed ID:

Expression of concern Details

Retraction Reason:

Error in Data

Nature of Retraction:

Expression of concern

Retraction Notice:
10.1016/j.lana.2024.100703

Citations (53)

53
Total Citations
18
Post-Retraction
(34.0%)
35
Pre-Retraction
0
Same Day
Post-Retraction Citation Analysis
0 Within 30 days
13 Within 1 year
0 After 2+ years
491 Days since retraction (latest)
Emerging uncertainty on the anti-aging potential of metformin
Matthew Thomas Keys, Jesper Hallas, Richard A. Miller et al. (5 authors)
Ageing Research Reviews Open Access
Published: Jun 2025
491 days after retraction
Therapeutic options for the treatment of post-acute sequelae of COVID-19: a scoping review
Yu Bin Seo, Yu Jung Choi, Jun-Won Seo et al. (6 authors)
BMC Infectious Diseases Open Access
Published: May 2025
455 days after retraction
Metformin as antiviral therapy protects hyperglycemic and diabetic patients
Xi Wang, Xiaojie Zheng, Honghan Ge et al. (19 authors)
mBio Open Access
Published: May 2025
453 days after retraction
A Web of Challenges: The Therapeutic Struggle to Target NETs in Disease
Adrian I. Espiritu, Kim M. O’Sullivan
International Journal of Molecular Sciences Open Access
Published: May 2025
449 days after retraction
Metformin for covid-19: systematic review and meta-analysis of randomised controlled trials
Saifur Rahman Chowdhury, Nazmul Islam, Qi Zhou et al. (12 authors)
BMJ Medicine Open Access
Published: May 2025
434 days after retraction
Klotho Deficiency in Severe COVID-19: A Unifying Hypothesis
Natalia Campos‐Obando, M. Carola Zillikens, Román F. Macaya
COVID Open Access
Published: Nov 2024
1 citation
274 days after retraction
Impact of blood glucose control on clinical outcomes in type 2 diabetes patients hospitalized with COVID-19 infection
Elena Chertok Shacham, Nimra Maman, Avraham Ishay
Diabetes and Vascular Disease Research Open Access
Published: Nov 2024
253 days after retraction
Targeting AMP-activated protein kinase in sepsis
Tetsuya Yumoto, Craig M. Coopersmith
Frontiers in Endocrinology Open Access
Published: Oct 2024
235 days after retraction
Preadmission Metformin Use Is Associated with Reduced Mortality in Patients with Diabetes Mellitus Hospitalized with COVID-19
David C. Harmon, Jacqueline Levene, Christine Rutlen et al. (6 authors)
Journal of General Internal Medicine
Published: Sep 2024
2 citations
210 days after retraction
Effect of spirulina on risk of hospitalization among patients with COVID-19: the TOGETHER randomized trial
Gilmar Reis, Eduardo Augusto dos Santos Moreira Silva, Daniela Carla Medeiros Silva et al. (22 authors)
American Journal of Clinical Nutrition
Published: Aug 2024
1 citation
175 days after retraction
Impact of Antidiabetic Drugs on Clinical Outcomes of COVID-19: A Nationwide Population-Based Study
Han Na Jang, Sun Joon Moon, Jin‐Hyung Jung et al. (6 authors)
Endocrinology and Metabolism Open Access
Published: Jun 2024
1 citation
123 days after retraction
COVID-19 therapeutics
Daniele Focosi, Massimo Franchini, Fabrizio Maggi et al. (4 authors)
Clinical Microbiology Reviews
Published: May 2024
17 citations
89 days after retraction
Is there room for metformin at COVID-19’s dinner table? Updated Analysis of Clinical Trials
Todd C. Lee, David R. Boulware
Clinical Infectious Diseases
Published: May 2024
3 citations
85 days after retraction
The impact of innovative glucose-lowering drugs on the course and outcome of COVID-19 in patients with type 2 diabetes mellitus
Т. Н. Маркова, M. Stas
Diabetes Mellitus Open Access
Published: May 2024
1 citation
74 days after retraction
Favorable Antiviral Effect of Metformin on Severe Acute Respiratory Syndrome Coronavirus 2 Viral Load in a Randomized, Placebo-Controlled Clinical Trial of Coronavirus Disease 2019
Carolyn T. Bramante, Kenneth B. Beckman, Tanvi Mehta et al. (100 authors)
Clinical Infectious Diseases
Published: May 2024
21 citations
69 days after retraction
Back to the Basics of SARS-CoV-2 Biochemistry: Microvascular Occlusive Glycan Bindings Govern Its Morbidities and Inform Therapeutic Responses
David Scheim, Peter Parry, David J. Rabbolini et al. (8 authors)
Viruses Open Access
Published: Apr 2024
1 citation
60 days after retraction
Estimating the effect of realistic improvements of metformin adherence on COVID-19 mortality using targeted machine learning
S. Qiu, Alan Hubbard, Juan Pablo Gutiérrez et al. (8 authors)
Global Epidemiology Open Access
Published: Mar 2024
4 citations
37 days after retraction
Is Metformin Use Associated with a More Favorable COVID-19 Course in People with Diabetes?
Giovanni Antonio Silverii, Carlo Fumagalli, Renzo Rozzini et al. (6 authors)
Journal of Clinical Medicine Open Access
Published: Mar 2024
4 citations
31 days after retraction
A Dual Pharmacological Strategy against COVID-19: The Therapeutic Potential of Metformin and Atorvastatin
Luis Adrián De Jesús‐González, Rosa M. del Ángel, Selvin Noé Palacios-Rápalo et al. (15 authors)
Microorganisms Open Access
Published: Feb 2024
6 citations
9 days before retraction
Metformin Alters mRNA Expression of FOXP3, RORC, and TBX21 and Modulates Gut Microbiota in COVID-19 Patients with Type 2 Diabetes
Pavlo Petakh, Iryna Kamyshna, Valentyn Oksenych et al. (4 authors)
Viruses Open Access
Published: Feb 2024
10 citations
11 days before retraction
Impact of Antidiabetic Drugs on Clinical Outcomes of COVID-19: A Nationwide Population-Based Study
Han Na Jang, Sun Joon Moon, Jin‐Hyung Jung et al. (6 authors)
Endocrinology and Metabolism Open Access
Published: Jan 2024
24 days before retraction
Outpatient randomized controlled trials to reduce COVID‐19 hospitalization: Systematic review and meta‐analysis
David J. Sullivan, Daniele Focosi, Daniel F. Hanley et al. (8 authors)
Journal of Medical Virology Open Access
Published: Dec 2023
22 citations
83 days before retraction
Review: The Landscape of Antiviral Therapy for COVID-19 in the Era of Widespread Population Immunity and Omicron-Lineage Viruses
Eric A. Meyerowitz, Yijia Li
Clinical Infectious Diseases Open Access
Published: Nov 2023
13 citations
105 days before retraction
Antidiabetic Drug Efficacy in Reduction of Mortality during the COVID-19 Pandemic
Daniel Gonikman, Dmitrijs Kustovs
Medicina Open Access
Published: Oct 2023
7 citations
134 days before retraction
Unveiling the potential pleiotropic effects of metformin in treating COVID-19: a comprehensive review
Pavlo Petakh, Iryna Kamyshna, Oleksandr Kamyshnyi
Frontiers in Molecular Biosciences Open Access
Published: Oct 2023
7 citations
135 days before retraction
A wonder drug? New discoveries potentiate new therapeutic potentials of metformin
Alyssa Matz, Beiyan Zhou
Obesity Medicine
Published: Oct 2023
144 days before retraction
The Management of COVID-19-Related Coagulopathy: A Focus on the Challenges of Metabolic and Vascular Diseases
Mónika Szilveszter, Sándor Pál, Zsuzsánna Simon-Szabó et al. (10 authors)
International Journal of Molecular Sciences Open Access
Published: Aug 2023
4 citations
192 days before retraction
Metformin for Treatment of Acute COVID-19: Systematic Review of Clinical Trial Data Against SARS-CoV-2
Spencer M Erickson, Sarah L. Fenno, Nir Barzilai et al. (8 authors)
Diabetes Care Open Access
Published: Jun 2023
18 citations
247 days before retraction
Clinically Evaluated COVID-19 Drugs with Therapeutic Potential for Biological Warfare Agents
Ido-David Dechtman, Ran Ankory, Keren Sokolinsky et al. (6 authors)
Microorganisms Open Access
Published: Jun 2023
253 days before retraction
Effectiveness of famotidine on the risk of poor prognosis in patients with COVID-19: A nationwide cohort study in Korea
Rosie Kwon, Hyung‐Jun Kim, Seung Won Lee et al. (8 authors)
Heliyon Open Access
Published: Jun 2023
3 citations
266 days before retraction
Preparing for the next viral threat with broad-spectrum antivirals
Marwah Karim, Chieh‐Wen Lo, Shirit Einav
Journal of Clinical Investigation Open Access
Published: May 2023
40 citations
267 days before retraction
Metformin for treatment of Covid-19: evidence from randomized trials
Unknown Authors
International Journal of Pharmacy and Infections Therapy Open Access
Published: May 2023
271 days before retraction
When Characteristics of Clinical Trials Require Per-Protocol as Well as Intention-to-Treat Outcomes to Draw Reliable Conclusions: Three Examples
David Scheim, Colleen Aldous, Barbara Osimani et al. (5 authors)
Journal of Clinical Medicine Open Access
Published: May 2023
4 citations
275 days before retraction
Paxlovid for Treating COVID-19 Patients: A Case-Control Study From Two Hospitals in the Eastern Province of Saudi Arabia
Ali Alsaeed, Abdullah Alkhalaf, Ali A Alomran et al. (6 authors)
Cureus Open Access
Published: May 2023
3 citations
279 days before retraction
Metformin: update on mechanisms of action and repurposing potential
Marc Foretz, Bruno Guigas, Benoı̂t Viollet
Nature Reviews Endocrinology Open Access
Published: May 2023
385 citations
296 days before retraction
Metformin in COVID-19: Is There a Role Beyond Glycemic Control?
Lakshmi Nagendra, Saptarshi Bhattacharya, Sanjay Kalra et al. (4 authors)
International Journal of Endocrinology and Metabolism Open Access
Published: Apr 2023
1 citation
308 days before retraction
Oral Fluvoxamine With Inhaled Budesonide for Treatment of Early-Onset COVID-19
Gilmar Reis, Eduardo Augusto dos Santos Moreira Silva, Daniela Carla Medeiros Silva et al. (100 authors)
Annals of Internal Medicine Open Access
Published: Apr 2023
30 citations
311 days before retraction
Analogies between COVID-19 and Preeclampsia: Focus on Therapies
Valentina Giardini, Carlo Gambacorti‐Passerini, Marco Casati et al. (5 authors)
International Journal of Translational Medicine Open Access
Published: Apr 2023
5 citations
322 days before retraction
Antidiabetic Treatment before Hospitalization and Admission Parameters in Patients with Type 2 Diabetes, Obesity, and SARS-CoV-2 Viral Infection
Patricia-Andrada Reștea, Mariana Mureşan, Adrian Voicu et al. (9 authors)
Journal of Personalized Medicine Open Access
Published: Feb 2023
2 citations
364 days before retraction
Inhibition of the mitochondrial pyruvate carrier simultaneously mitigates hyperinflammation and hyperglycemia in COVID-19
Bibo Zhu, Xiaoqin Wei, Harish Narasimhan et al. (20 authors)
Science Immunology Open Access
Published: Feb 2023
28 citations
364 days before retraction
Platform trials for anaesthesia and perioperative medicine: a narrative review
Paul S. Myles, Joyce Yeung, W. Scott Beattie et al. (6 authors)
British Journal of Anaesthesia Open Access
Published: Nov 2022
9 citations
451 days before retraction
Metformin use and mortality and length of stay among hospitalized patients with type 2 diabetes and COVID-19: A multiracial, multiethnic, urban observational study
Emily Miao, Kaleena Zhang, Jianyou Liu et al. (6 authors)
Frontiers in Endocrinology Open Access
Published: Nov 2022
3 citations
470 days before retraction
Targeting T cell (oxidative) metabolism to improve immunity to viral infection in the context of obesity
Elizabeth Greene, Nancie J. MacIver
Frontiers in Immunology Open Access
Published: Oct 2022
6 citations
504 days before retraction
COVID‐19 immunopathology: From acute diseases to chronic sequelae
Mohd Arish, Wei Qian, Harish Narasimhan et al. (4 authors)
Journal of Medical Virology Open Access
Published: Sep 2022
47 citations
537 days before retraction
Randomized Trial of Metformin, Ivermectin, and Fluvoxamine for Covid-19
Carolyn T. Bramante, Jared D. Huling, Christopher J. Tignanelli et al. (37 authors)
New England Journal of Medicine Open Access
Published: Aug 2022
214 citations
554 days before retraction
Metformin therapy in COVID-19: inhibition of NETosis
Chia Siang Kow, Dinesh Sangarran Ramachandram, Syed Shahzad Hasan
Journal of Thrombosis and Thrombolysis Open Access
Published: Jun 2022
4 citations
630 days before retraction
Surgisphere II: Repeated refusals to disclose the death and hospitalization rates for the TOGETHER trial, ivermectin vs. placebo
David Scheim, Jerome Dancis, Colleen Aldous
Unknown Journal Open Access
Published: May 2022
634 days before retraction
Antidepressants for COVID-19: A systematic review
Wei Zheng, Heli Sun, Hong Cai et al. (6 authors)
Journal of Affective Disorders Open Access
Published: Mar 2022
25 citations
701 days before retraction
COVID-19 breakthrough infections, hospitalizations and mortality in fully vaccinated patients with hematologic malignancies: A clarion call for maintaining mitigation and ramping-up research
Lindsey Wang, David C. Kaelber, Rong Xu et al. (4 authors)
Blood Reviews Open Access
Published: Jan 2022
66 citations
752 days before retraction
Editorial: Obesity, metabolic phenotypes and COVID-19
Despina Sanoudou, Michael A. Hill, Matthew J. Belanger et al. (5 authors)
Metabolism Open Access
Published: Jan 2022
27 citations
773 days before retraction
Quick Stats
Total Citations: 53
Years Since Retraction: 1.7 year
Open Access: Yes
Last Checked: Jul 24, 2025
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