Notices. Final rule

680 words·~3 min read·/register/2011/03/08/2011-5144

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BILLING CODE 4160-01-P DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration 21 CFR Part 520 [Docket No. FDA-2011-N-0003] Oral Dosage Form New Animal Drugs; Spinosad and Milbemycin Oxime AGENCY: Food and Drug Administration, HHS. ACTION: Final rule. SUMMARY: The Food and Drug Administration

(FDA)is amending the animal drug regulations to reflect approval of a new animal drug application

(NADA)filed by Elanco Animal Health. The NADA provides for veterinary prescription use of chewable tablets containing spinosad and milbemycin oxime in dogs for the treatment and prevention of flea infestations and for the prevention and control of various internal parasites. DATES: This rule is effective March 8, 2011. FOR FURTHER INFORMATION CONTACT: Angela Clarke, Center for Veterinary Medicine (HFV-112), Food and Drug Administration, 7500 Standish Pl., Rockville, MD 20855, 240-276-8318, e-mail: *angela.clarke@fda.hhs.gov.* SUPPLEMENTARY INFORMATION: Elanco Animal Health, A Division of Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, filed NADA 141-321 that provides for veterinary prescription use of TRIFEXIS (spinosad and milbemycin oxime) Chewable Tablets in dogs for the treatment and prevention of flea infestations and for the prevention and control of various internal parasites. The NADA is approved as of January 4, 2011, and the regulations in part 520 (21 CFR part 520) are amended by adding § 520.2134 to reflect the approval. In accordance with the freedom of information provisions of 21 CFR part 20 and 21 CFR 514.11(e)(2)(ii), a summary of safety and effectiveness data and information submitted to support approval of this application may be seen in the Division of Dockets Management (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852, between 9 a.m. and 4 p.m., Monday through Friday. Under section 512(c)(2)(F)(ii) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360b(c)(2)(F)(ii)), this approval qualifies for 3 years of marketing exclusivity beginning on the date of approval. FDA has determined under 21 CFR 25.33 that this action is of a type that does not individually or cumulatively have a significant effect on the human environment. Therefore, neither an environmental assessment nor an environmental impact statement is required. This rule does not meet the definition of “rule” in 5 U.S.C. 804(3)(A) because it is a rule of “particular applicability.” Therefore, it is not subject to the congressional review requirements in 5 U.S.C. 801-808. List of Subjects in 21 CFR Part 520 Animal drugs. Therefore, under the Federal Food, Drug, and Cosmetic Act and under the authority delegated to the Commissioner of Food and Drugs and redelegated to the Center for Veterinary Medicine, 21 CFR part 520 is amended as follows: PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS 1. The authority citation for 21 CFR part 520 continues to read as follows: Authority: 21 U.S.C. 360b. 2. Add § 520.2134 to read as follows: § 520.2134 Spinosad and milbemycin.

(a)*Specifications.* Each chewable tablet contains 140 milligrams

(mg)spinosad and 2.3 mg milbemycin oxime, 270 mg spinosad and 4.5 mg milbemycin oxime, 560 mg spinosad and 9.3 mg milbemycin oxime, 810 mg spinosad and 13.5 mg milbemycin oxime, or 1,620 mg spinosad and 27 mg milbemycin oxime.

(b)*Sponsor.* See No. 000986 in § 510.600 of this chapter.

(c)*Conditions of use in dogs* —(1) *Amount.* Administer once a month at a minimum dosage of 13.5 mg/pound

(lb)(30 mg/kilogram (kg)) of body weight spinosad and 0.2 mg/lb (0.5 mg/kg) of body weight milbemycin oxime.

(2)*Indications for use.* To kill fleas; for the prevention and treatment of flea infestations ( *Ctenocephalides felis* ); for the prevention of heartworm disease ( *Dirofilaria immitis* ); and for the treatment and control of adult hookworm ( *Ancylostoma caninum* ), adult roundworm ( *Toxocara canis* and *Toxascaris leonina* ), and adult whipworm ( *Trichuris vulpis* ) infections in dogs and puppies 8 weeks of age or older and 5 lbs of body weight or greater.

(3)*Limitations.* Federal law restricts this drug to use by or on the order of a licensed veterinarian. Dated: March 2, 2011. Leslie Kux, Acting Assistant Commissioner for Policy. [FR Doc. 2011-5144 Filed 3-7-11; 8:45 am]

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