FDA Authorizes New Treatment for Screwworm Infestations in Dogs
The prescription chewable is authorized for treatment only, after the FDA said evidence suggests benefits outweigh risks and no alternatives were available.
- On Thursday, the FDA issued an emergency use authorization for Zoetis Inc.'s Simparica TRIO to treat New World screwworm infestations in dogs and puppies.
- Originally approved in 2020 for heartworm, flea, and tick-related indications, Simparica TRIO received this new indication to provide additional treatment options during the public health threat.
- Acting FDA Commissioner Kyle Diamantas, J.D. stated, "The FDA continues to authorize products to give veterinarians and pet owners multiple treatment options," noting the agency's containment success to date.
- Timothy Schell, Ph.D., director of the FDA's Center for Veterinary Medicine, urged dog owners to stay informed rather than alarmed, noting NWS has only been detected in Texas and New Mexico.
- Simparica TRIO is available only by prescription due to professional monitoring requirements, joining Elanco Animal Health's Credelio, which received an emergency use nod last year for the same indication.
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20 Articles
FDA Approves Emergency Drug for NWS Infestation in Adult Dogs and Puppies
The Food and Drug Administration approved a medication targeting New World screwworm infestations in adult dogs and puppies on Thursday. The Emergency Use Authorization was issued for Simparica TRIO (sarolaner, moxidectin, and pyrantel chewable tablets), the FDA said in an Aug. 13 statement. At present, most dogs in the United States are at low risk of exposure to New World screwworm (NWS) parasites because of their geographic location. “However…
Jessamine Journal
FDA authorizes new treatment for screwworm infestations in dogs
WASHINGTON – The U.S. Food and Drug Administration (FDA) issued an Emergency Use Authorization (EUA) Thursday for Simparica TRIO (sarolaner, moxidectin, and pyrantel chewable tablets) for the treatment of New World screwworm (NWS) infestations (myiasis) in dogs and puppies. This follows an EUA issued recently for NWS treatment in large animals, including livestock. Most dogs in the U.S. are at low risk of NWS exposure due to their geographic loc…
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