# Federal Register #2026-21084

FDA Emergency Authorizations for Four Animal Products Against New World Screwworm

**Buyer:** Department of Health and Human Services / Food and Drug Administration
**Posted:** October 15, 2026
**Identifier:** 2026-21084

The FDA announced emergency authorizations for four animal products intended to prevent or treat New World screwworm infestations; this notice is not a procurement or contract award.
- Government agency: U.S. Department of Health and Human Services (HHS), Food and Drug Administration (FDA), Center for Veterinary Medicine.
- **OEMs and products:**
  - **Elanco US Inc. — CLiK Extra** (dicyclanil topical suspension wound spray): prevention in sheep, cattle, goats, swine, camelids, and specified captive or captured wildlife, including cervids, American bison, bighorn sheep, and Sonoran pronghorn.
  - **Zoetis Inc. — Simparica TRIO** (sarolaner, moxidectin, and pyrantel chewable tablets): treatment in dogs and puppies.
  - **Bimeda Animal Health Ltd. — Bimectin** (ivermectin injection): prevention in cattle.
  - **Sergeant’s Pet Care Products LLC — CAPSTAR** (nitenpyram tablets): treatment and prevention in dogs, puppies, cats, and kittens weighing at least 2 pounds and at least 4 weeks old.
- No purchase quantities, contract performance period, or contract value are stated. The authorizations include conditions for emergency use.

### Description

The FDA announced four Emergency Use Authorizations for animal products intended to prevent or treat New World screwworm infestations in animals. The authorizations cover products requested by Elanco US Inc., Zoetis Inc., Bimeda Animal Health Ltd., and Sergeant's Pet Care Products LLC, with specified uses in livestock, wildlife, dogs, cats, and kittens. Each authorization includes conditions for emergency use and took effect on its respective issuance date between August 7 and September 3, 2026. The document reprints the authorizations and explanations for their issuance.

[View original listing](https://www.federalregister.gov/documents/2026/10/15/2026-21084/authorization-of-emergency-use-for-four-animal-drugs-for-the-prevention-and-treatment-of-new-world)