J&J enrolls about 45,000 participants for late-stage COVID-19 vaccine trial

  • World
  • Friday, 18 Dec 2020

FILE PHOTO: Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Johnson & Johnson logo in this illustration taken October 31, 2020. REUTERS/Dado Ruvic/Illustration/File Photo

(Reuters) -Johnson & Johnson said on Thursday it has enrolled about 45,000 participants for the first late-stage trial of its COVID-19 single-dose vaccine candidate and that it expects interim data by late-January.

The company, however, is lagging rivals Pfizer Inc and Moderna Inc in the race for a vaccine to combat the COVID-19 pandemic that has infected about 75 million people globally.

J&J's study, named Ensemble, is being conducted by its unit Janssen, the drugmaker said https://www.jnj.com/our-company/johnson-johnson-announces-its-first-phase-3-covid-19-vaccine-trial-ensemble-is-fully-enrolled in a statement.

While seven countries have already authorized the emergency use of Pfizer and German firm BioNTech's candidates, Moderna's rival vaccine was set for regulatory authorization this week in the United States.

J&J also said it plans to submit an emergency use authorization application to the U.S. Food and Drug Administration (FDA) in February if the data from the study is safe and effective.

The company had earlier this month announced cuts in enrollment for the vaccine trial from its original plan for 60,000, as higher rates of COVID-19 infections amid a worsening pandemic should generate the data it needs with fewer study subjects.

The Ensemble trial was paused for over a week in October after a patient developed an "unexplained illness" during the study. The company later said it would resume the trial after an evaluation found no clear cause for the illness.

A separate late-stage clinical trial of an investigational COVID-19 vaccine candidate by Janssen to explore a two-dose regimen was ongoing, J&J said.

(Reporting by Derek Francis in Bengaluru; editing by Uttaresh.V)

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