Study comparing hydroxychloroquine and antiviral drug for COVID-19 retracted

The authors of a study comparing hydroxychloroquine and the antiviral agent favipiravir as treatments for COVID-19 have lost the paper after post-publication peer review determined that the data did not support the conclusions.  “Safety and efficacy of favipiravir versus hydroxychloroquine in management of COVID-19: A randomised controlled trial” appeared in March in Scientific Reports, a … Continue reading Study comparing hydroxychloroquine and antiviral drug for COVID-19 retracted

‘A very unfortunate event’: Paper on COVID-19 vaccine hesitancy retracted

A group of researchers in Canada and India have lost a paper on vaccine hesitancy and Covid-19 because they didn’t have the proper license to mine a database of news articles used in the study.  The paper, “Tracking COVID-19 vaccine hesitancy and logistical challenges: A machine learning approach,” was published in PLOS ONE on June … Continue reading ‘A very unfortunate event’: Paper on COVID-19 vaccine hesitancy retracted

When a retraction notice leaves out important details: COVID-19, prisoners, and an IRB

Earlier this week, we reported on the retractions of two papers on Covid-19 in Texas inmates after the journal was told that the researchers did not have proper ethics approval for the studies.  According to the senior author on the articles, however, that’s nowhere near the whole story. Kenneth Nugent, of Texas Tech Physicians in … Continue reading When a retraction notice leaves out important details: COVID-19, prisoners, and an IRB

Two Texas studies on COVID-19 retracted because ‘previously approved study protocols appear to violate IRB guidelines around prisoner research’

A journal has retracted a pair of studies on Covid-19 in prisoners after the authors’ institution found that they had not obtained adequate ethics approval for the research.  The two studies appeared in the Journal of Primary Care & Community Health, a Sage publication. The authors, from Texas Tech University Health Sciences Center in Lubbock, … Continue reading Two Texas studies on COVID-19 retracted because ‘previously approved study protocols appear to violate IRB guidelines around prisoner research’

JAMA journal retracts paper on masks for children

JAMA Pediatrics has retracted a paper claiming that children’s masks trap too-high concentrations of carbon dioxide a little more than two weeks after publishing it. The paper, by Harald Walach and colleagues, came under fire immediately after it was published on June 30, and quickly earned an editor’s note. Walach had another paper — which … Continue reading JAMA journal retracts paper on masks for children

Paper from company claiming phototherapy could treat COVID-19 is retracted

A study that touted phototherapy as a way to combat the COVID-19 pandemic has been retracted after Elisabeth Bik noted a litany of concerns about the article, from duplications in the figures to the authors’ failure to disclose conflicts of interest.  The article, “Methylene blue photochemical treatment as a reliable SARS-CoV-2 plasma virus inactivation method … Continue reading Paper from company claiming phototherapy could treat COVID-19 is retracted

Authors of widely panned study of masks in children respond to critics

The authors of a paper claiming that children’s masks trap concentrations of carbon dioxide higher than allowable standards in Germany have responded to critics who said the study was plagued with poor methods and unreasonable conclusions. As we reported earlier this week, the corresponding author of the paper, Harald Walach, had his affiliation with Poznan … Continue reading Authors of widely panned study of masks in children respond to critics

University terminates affiliation with researcher who had paper on COVID-19 vaccines retracted as mask study comes under scrutiny

A researcher who co-authored a now-retracted paper claiming that two vaccinated people died of COVID-19 for every three deaths prevented has had an affiliation with a Polish university terminated. Yesterday, Poznan University tweeted about the researcher, Harald Walach: Today, it confirmed the move in a statement: It was with great surprise that the Poznan University … Continue reading University terminates affiliation with researcher who had paper on COVID-19 vaccines retracted as mask study comes under scrutiny

‘Preprints are works in progress’: The tale of a disappearing COVID-19 paper

When a Twitter user tipped us off last week to the mysterious disappearance of a preprint of a paper on a potential new therapy to treat Covid-19, we were curious. Was it a hidden retraction, or something else?  The article, titled “Effectiveness of ZYESAMI™ (Aviptadil) in Accelerating Recovery and Shortening Hospitalization in Critically-Ill Patients with … Continue reading ‘Preprints are works in progress’: The tale of a disappearing COVID-19 paper

Widely shared vitamin D-COVID-19 preprint removed from Lancet server

A preprint promoted by a member of the UK Parliament for claiming to show that vitamin D led to an “80% reduction in need for ICU and a 60% reduction in deaths” has been removed from a server used by The Lancet family of journals. The preprint, “Calcifediol Treatment and COVID-19-Related Outcomes,” was posted to … Continue reading Widely shared vitamin D-COVID-19 preprint removed from Lancet server