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Race for coronavirus cure hits reality as clinic complications mount

Regulators and drugmakers have faced questions about whether political pressure was overwhelming scientific rigor ahead of the presidential election on Nov. 3

Coronavirus Vaccine | Coronavirus | Johnson & Johnson

Riley Griffin & Michelle Fay Cortez | Bloomberg 

covid, coronavirus, vaccine, drug, pharma
Lilly’s drug is part of a promising class of therapies known as monoclonal antibodies, which top U.S. infectious-disease expert Anthony Fauci has called a bridge to a vaccine.

The sprint to find medical breakthroughs to contain Covid-19 stumbled this week, as a pair of pharmaceutical giants working to develop treatments and vaccines suffered setbacks in the clinic.

On Tuesday, & Co. said that enrollment in a government-sponsored clinical trial of its antibody therapy had been paused out of safety concerns. That came less than 24 hours after said research on its experimental vaccine was paused after a study volunteer fell ill.

The developments are likely to heighten worry that the pursuit of products to prevent and treat infections is moving too quickly. Regulators and drugmakers have faced questions about whether political pressure was overwhelming scientific rigor ahead of the presidential election on Nov. 3. Last week, President Donald Trump, trailing in the polls, touted antibody treatments as a cure, and his administration has pushed hard for the rapid approval of the treatments and a vaccine.

However, the trial complications are happening in an environment of intense scrutiny, executives and industry observers said, and the highly public nature of the hunt for vaccines and treatments is magnifying events that in other studies would be considered routine.

“I’m not surprised at all that these pauses are happening. Where I would be surprised is if they weren’t happening,” said Greg Poland, director of the Vaccine Research Group at the Mayo Clinic in Rochester, Minnesota.

The U.S. has poured nearly $18 billion into Operation Warp Speed, its program designed to hasten the development of virus drugs and inoculations. Companies have been moving at unprecedented speeds to develop complex and innovative products for a virus that has killed more than 215,000 Americans.

The need to find viable treatments and ways to arrest the spread of the virus is becoming more pressing. Cases are climbing again in the U.S. and Europe ahead of what public-health officials have warned could become a dangerous winter with Covid-19 circulating unchecked alongside seasonal influenza. More virulent outbreaks could spur the need for more economically damaging infection-control measures.

High Stakes

J&J’s vaccine was considered one of the frontrunners in the race for an inoculation. Along with rival shots made by Pfizer Inc. and partner BioNTech SE, Moderna Inc., and Plc and the University of Oxford, its safety and effectiveness is being studied in a large trial. Hope for the shot’s effectiveness has been high, since it is expected to be delivered in a single dose. Some rival shots will require a second injection.

J&J Chief Financial Officer Joseph Wolk said in an interview the company doesn’t know whether the person who was sickened had received the vaccine or a placebo. He said that J&J is sticking to its development time-line and plans to be able to produce 1 billion doses a year.

“Everybody is anxious to get a vaccine to the pandemic, for the right reasons,” Wolk said, “but nobody is cutting corners or suggesting that there be undue pressure to make that happen.”

The stakes in a vaccine trial are especially high, since inoculations are given to people of all ages, many of whom are otherwise healthy. Poland, of the Mayo Clinic, said he had never seen a vaccine trial under as much scrutiny as the Covid-19 trials.

“No one wants to misstep here,” he said. “The decisions we are making will affect our children, our parents, our families. We aren’t making decisions in a void.”

Wall Street analysts who follow the drug industry said pauses are a common feature of clinical trials, and earlier data on J&J’s vaccine and Lilly’s antibody treatment had been encouraging.

“Trial halts are fairly common, and although we don’t know the exact reason for this stop, the majority of safety incidents aren’t usually related to the vaccine,” Shore Capital analyst Adam Barker wrote in a note about J&J’s temporary halt.

J&J shares declined 2.2% on Tuesday to close at $148.36 at 4 p.m. in New York. shares ended the day down 2.9% at $150.08.

Presidential Push

Lilly’s drug is part of a promising class of therapies known as monoclonal antibodies, which top U.S. infectious-disease expert Anthony Fauci has called a bridge to a vaccine. Last week, the company asked the U.S. Food and Drug Administration to grant it an emergency-use authorization after data from earlier studies showed the drug could reduce hospitalizations.

The National Institutes of Health is testing Lilly’s treatment in Covid-19 patients in and out of the hospital. Preliminary data from the trial, known as ACTIV-3, isn’t yet available. Lilly is developing its antibody with Canadian biotechnology company AbCellera Biologics Inc.

The treatment is similar to one being developed by Regeneron Pharmaceuticals Inc. that was given to Trump after he tested positive for He credited the Regeneron drug for his recovery and vowed to make it and Lilly’s treatment widely accessible.

Trump’s illness and his endorsement of antibody drugs have put a spotlight on the two therapies, which prior to his stint in the hospital had taken a back seat to vaccines in the public eye. As the campaign intensifies in its final weeks, and Covid-19 case counts rise, drugs like Lilly’s will be increasingly at center of attention.

“Normally this stuff never makes the news,” said the Mayo Clinic’s Poland. “This is under a microscope and every sneeze and hiccup gets reported.”

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First Published: Wed, October 14 2020. 22:07 IST