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The Top Retractions of 2020
The Retraction Watch team takes a look at the most important publishing mistakes this year.
The Top Retractions of 2020
The Top Retractions of 2020

The Retraction Watch team takes a look at the most important publishing mistakes this year.

The Retraction Watch team takes a look at the most important publishing mistakes this year.

Surgisphere

UPDATED
Physician Behind Surgisphere Scandal Switches Medical Licenses
Catherine Offord | Oct 23, 2020 | 2 min read
Sapan Desai has inactivated his license in Illinois, where multiple malpractice lawsuits against him are pending, and obtained a new one in Ohio.
Timeline: When Bad Research Changes Public Health Strategy
Catherine Offord | Oct 1, 2020 | 1 min read
Illinois-based Surgisphere Corporation had a brief moment in the limelight this year following its infamous study of hydroxychloroquine. But the impact of the company’s deception reverberated across world.
The Surgisphere Scandal: What Went Wrong?
Catherine Offord | Oct 1, 2020 | 10+ min read
The high-profile retractions of two COVID-19 studies stunned the scientific community earlier this year and prompted calls for reviews of how science is conducted, published, and acted upon. The warning signs had been there all along.
The Lancet Alters Editorial Practices After Surgisphere Scandal
Catherine Offord | Sep 22, 2020 | 4 min read
The changes, which affect the declarations authors have to sign and the peer-review process, have received a mixed response from the scientific community.
Special Report
Surgisphere Sows Confusion About Another Unproven COVID-19 Drug
Catherine Offord | Jun 16, 2020 | 10+ min read
The company behind a now-discredited study on hydroxychloroquine also posted a report that has been cited by Latin American governments recommending ivermectin as a possible coronavirus treatment. Clinicians there say the effects have been extremely damaging.
Surgisphere Fallout Hits African Nonprofit’s COVID-19 Efforts
Catherine Offord | Jun 7, 2020 | 9 min read
The company had helped develop a tool to aid decision-making in distributing limited medical equipment among coronavirus patients, but two high-profile retractions call into question the validity of Surgisphere’s work in toto.
Lancet, NEJM Retract Surgisphere Studies on COVID-19 Patients
Catherine Offord | Jun 4, 2020 | 3 min read
All authors other than company founder and CEO Sapan Desai were “unable to complete an independent audit of the data,” The Lancet states.
Concerns Build Over Surgisphere’s COVID-19 Dataset
Catherine Offord | Jun 2, 2020 | 5 min read
NEJM and The Lancet issue expressions of concern as researchers question where the company got its data on thousands of coronavirus patients.
Exclusive
Disputed Hydroxychloroquine Study Brings Scrutiny to Surgisphere
Catherine Offord | May 30, 2020 | 9 min read
Scientists have raised questions about the dataset published in The Lancet last week that triggered the suspension of clinical trials around the world—and about Surgisphere Corporation, the company behind the study.
WHO Halts Hydroxychloroquine Testing Over Safety Concerns
Catherine Offord | May 27, 2020 | 4 min read
A paper published in The Lancet reported that hospitalized COVID-19 patients taking the drug had a higher risk of death, although some researchers have raised questions about the data.
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