Interleukin-6 Receptor Inhibitor Sarilumab in Combination With Ipilimumab, Nivolumab and Relatlimab in Patients With Unresectable Stage III or Stage IV Melanoma

Injectable solutions of sarilumab are formulated in 2 mL of aqueous solution in a 5 mL vial containing 175 mg/ml of sarilumab arginine (8.94 mg), histidine (3.71 mg), polysorbate 20 (2.28 mg), sucrose (57 mg) and Water for Injection USP.Patients will be administered sarilumab at a dose of 150 mg subcutaneously in combination with ipilimumab, nivolumab and relatlimab given intravenously, with nivolumab/relatlimab given intravenously, or sarilumab at a dose of 150 mg subcutaneously given alone.

Ipilimumab injection is a sterile, nonpyrogenic, clear to slightly opalescent, colorless to pale yellow solution, single-use, preservative-free, isotonic aqueous solution that may contain particles. It is formulated at a concentration of 5 mg/mL ipilimumab in TRIS hydrochloride (also known as 2-amino-2-hydroxymethyl-1,3-propanediol hydrochloride), sodium chloride, mannitol, pentetic acid (also known as diethylenetriaminepentaacetic acid or DTPA), polysorbate 80, and water at pH 7.0. Sodium hydroxide and/or hydrochloric acid may be used to adjust the pH of the solution. Ipilimumab Injection 200 mg/40 mL (5 mg/mL) is packaged in a 50-cc Type I flint molded glass vials.

The FDC drug product, referred to as nivolumab/relatlimab, contains relatlimab and nivolumab in a single vial in a kit of 2 vials. The product is a sterile, non-pyrogenic, single-use, isotonic aqueous solution for IV infusion. It is formulated at a total protein concentration of 16 mg/mL (4 mg/mL relatlimab and 12 mg/mL nivolumab) and is packaged in a 20-cc glass vial in a kit of two vials. Each vial contains 80 mg of relatlimab and 240 mg of nivolumab.