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]