SPL Set ID: 7f667de1-9dfa-4bd6-8ba0-15ee2d78873b

Tacrolimus, previously known as FK506, is the active ingredient in PROGRAF. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. PROGRAF is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose monohydrate NF, and magnesium stearate NF. The 0.5 mg capsule shell contains ferric oxide NF, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains gelatin NF and titanium dioxide USP, and the 5 mg capsule shell contains ferric oxide NF, gelatin NF, and titanium dioxide USP. PROGRAF is also available as a sterile solution (tacrolimus injection) containing the equivalent of 5 mg anhydrous tacrolimus USP in 1 mL for administration by intravenous infusion only. Each mL contains the following inactive ingredients: dehydrated alcohol USP, 80.0% v/v and polyoxyl 60 hydrogenated castor oil (HCO-60), 200 mg. PROGRAF injection must be diluted with 0.9% Sodium Chloride Injection or 5% Dextrose Injection before use. PROGRAF Granules is available for oral administration as a suspension containing the equivalent of 0.2 mg or 1 mg of anhydrous tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, and lactose monohydrate NF. Tacrolimus structural formula