Ebola Drug Trial Canceled

As the number of Ebola cases declines, Chimerix is unable to recruit enough patients for its trial in Liberia testing the antiviral drug brincidofovir.

Written byJef Akst
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WIKIMEDIA, PLOS BIOLOGYThe good news is that the Ebola epidemic in West Africa appears to be slowing dramatically, with fewer than 100 new cases per week in Liberia, Guinea, and Sierra Leone. But as a result, Durham, North Carolina-based Chimerix has found it difficult to fill a trial intended to test the antiviral drug brincidofovir at a clinic in Monrovia, Liberia, having treated fewer than 10 patients since the study began on January 2. Last week (January 30), the company announced on that it was canceling the study.

“Without having enough patients there to make any conclusions, it wasn’t feasible for us to push forward,” Chimerix President and CEO M. Michelle Berrey told The New York Times (NYT).

And Chimerix isn’t alone in the struggle to enroll Ebola patients. Organizers of a Guinean trial to test Fujifilm’s antiviral drug Avigan are looking to include additional clinics in order to find enough patients, Armand Sprecher, a public health specialist at Doctors Without Borders, told NYT. And several upcoming trials could also be affected. Of course, it’s a good problem to have, Sprecher said. “It’s more important to end the outbreak than to get the trial done.”

Meanwhile, as research on the Ebola virus continues, researchers are clamoring for more data. “A lot of Ebola ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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