# Implantation or Injectable Dosage Form New Animal Drugs; Naltrexone Hydrochloride Injection
> **US Department of Health and Human Services** · Final rule. · Published 1997-02-05 · Effective 1997-02-05 · 62 FR 5319
## Document
- **Document number:** 97-2869
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 62 FR 5319
- **CFR reference:** 21 CFR 522
- **Publication date:** 1997-02-05
- **Effective date:** 1997-02-05
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a new animal drug application (NADA) filed by Wildlife Laboratories, Inc. The NADA provides for use of naltrexone hydrochloride sterile injection as an antagonist to carfentanil citrate immobilization in free-ranging or confined elk and moose (Cervidae).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/02/05/97-2869/implantation-or-injectable-dosage-form-new-animal-drugs-naltrexone-hydrochloride-injection)
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