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Eli Lilly antibody trial paused over safety concerns

Checking in: The trial design calls for the data and safety monitoring board to examine results from the first 300 participants — including their need for supplemental oxygen, mechanical ventilation or other supportive care five days after receiving the treatment or a placebo — before proceeding with further enrollment.

The NIAID trial has so far enrolled 326 patients. An agency spokesperson said that the board overseeing the trial this morning “reached a predefined boundary for safety at day five.” The board will now decide whether the trial should add 700 more participants.

The NIAID spokesperson added that the pause in enrollment is “out of an abundance of caution” and the safety board is “continuing data collection and follow-up of current participants for safety and efficacy.”

The late-stage study is examining whether Lilly’s antibody, known as bamlanivimab, could help hospitalized patients. The treatment is a monoclonal antibody that mimics the antibodies the body makes naturally. It’s similar to the Regeneron antibody cocktail that President Donald Trump received recently after being diagnosed with Covid-19.

Background: Last week, Lilly asked the FDA to grant an emergency-use authorization that would allow use of the antibody treatment in high-risk patients recently diagnosed with mild-to-moderate Covid-19.

That application is largely based on preliminary data from a Phase II trial released in mid-September that showed patients who received any dose of the antibody were less likely to be hospitalized or visit the ER.

What’s next: The data and safety monitoring board overseeing the trial will review data again at a preplanned meeting on October 26. The board will recommend at that meeting whether or not enrollment should be resumed, according to NIAID.

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Pauses of coronavirus antibody and vaccine trials are routine, doctor says

Two setbacks have been reported in 24 hours in the fight against the coronavirus. On Tuesday, drugmaker Eli Lilly halted human testing of a COVID-19 treatment citing a potential safety concern. A person familiar with the trial told CBS News the pause will last approximately two weeks.

The treatment, which uses COVID-19 antibodies, is similar to a therapeutic given to President Donald Trump that he touted as a cure. “It was like unbelievable,” Mr. Trump said. “I felt good immediately.”

This comes as Johnson & Johnson said its vaccine trial, the largest to date, is also stopping temporarily while it investigates if an unexplained illness was caused by its vaccine.

CBS News medical contributor Dr. David Agus said these pauses are routine and reassuring.

“So this is not unusual,” Agus said. “I hope that Americans see news like this and have comfort that we are investigating every single issue with these drugs and with these vaccines to make sure they are safe for the American people.”

Thirty-seven states are seeing a rise in average new cases; only one state — South Carolina — is down. A key driver is gatherings. A recent CDC report found that a 13-year-old girl infected 11 people staying at the same house during a family vacation, without masks or social distancing.

With many Americans resisting guidelines, the death toll continues to grow. Leanna Richardson lost her mother — a third-grade teacher from North Carolina — in just 10 days.

“And if anything else, let her death be a reminder that COVID-19 doesn’t care,” Richardson said. “COVID-19 is serious. This is a pandemic. This is not a joke.”

School officials at her mother’s school said they do not believe she contracted the virus at work where she was teaching students in person. 

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