First Product Conditionally Approved For Prevention And Treatment Of NWS

The Food and Drug Administration (FDA) has conditionally approved a doramectin injectable solution (Dectomax-CA1) made by Zoetis for the prevention and treatment of New World screwworm (NWS) larval infestations in cattle. It also will help prevent reinfestation for 21 days. This conditional approval applies to beef cattle, female dairy cattle less than 20 months of age, pregnant beef cows, newborn calves and bulls.

“Under this conditional approval, the FDA has determined the drug is safe and has a reasonable expectation of effectiveness. We are making this treatment available to cattle producers immediately while the sponsor collects the data needed for a full approval,” said Timothy Schell, acting director of the FDA’s Center for Veterinary Medicine.