Why Dynavax Stock Is Vaulting Higher Today


What happened

Shares of Dynavax Technologies (NASDAQ:DVAX) were vaulting 7.2% higher as of 11:44 a.m. EST on Thursday. The big jump came after the biotech announced results from an ongoing clinical study evaluating hepatitis B vaccine Heplisav-B in patients undergoing hemodialysis.

So what

As you might have guessed, Dynavax had good news from the clinical trial. The company reported a seroprotection rate (a measure of the production of antibodies that can protect against infection) of 89.3% for a four-dose regimen of Heplisav-B after 20 weeks. Dynavax also stated that interim safety data showed that its vaccine was well tolerated, with no safety issues observed in the study.

Gloved hands holding a syringe with hepatitis B printed on the label

Image source: Getty Images.

The positive results could bode well for Heplisav-B in immunizing patients on hemodialysis. With the current standard of care, patients must receive up to eight injections. Dynavax’s four-dose regimen could have a competitive advantage. Heplisav-B won approval from the U.S. Food and Drug Administration (FDA) in 2017 for preventing hepatitis B infection in adults ages 18 and over.

Now what

Dynavax doesn’t expect to report full safety data from the study of Heplisav-B in dialysis patients until the end of this year. There could be a potential catalyst for the biotech stock sooner, though: Dynavax hopes to win European approval for Heplisav-B in the first half of 2021.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis — even one of our own — helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.




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