Regulations last checked for updates: Jul 25, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
§ 520.136 - Atinvicitinib tablets.

(a) Specifications. Each tablet contains 4.8, 7.2, 21.6, or 31.6 milligrams (mg) of atinvicitinib.

(b) Sponsor. See No. 000061 in § 510.600(c) of this chapter.

(c) Conditions of use—(1) Amount. Administer 0.36 to 0.54 mg atinvicitinib per pound (0.8 to 1.2 mg atinvicitinib per kilogram) of body weight, once daily, with food.

(2) Indications for use. For the control of pruritus associated with allergic dermatitis in dogs 6 months of age and older.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[91 FR 41559, July 7, 2026]
authority: 21 U.S.C. 360b.
source: 40 FR 13838, Mar. 27, 1975, unless otherwise noted.
cite as: 21 CFR 520.136