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Tacrolimus

PROGRAF

Pronunciation: ta-KROE-li-mus (PROE-graf)

Tacrolimus ballicule: receptor binding, kinetics and half-life diagram
Mechanism of action: Tacrolimus ballicule
Tacrolimus PROGRAF mascot mnemonic cartoon
Visual mnemonic: Tacrolimus mascot
“Tacky lima’s Pro graphing”

What it isCalcineurin inhibitor that suppresses T-cell signaling; prevention of transplant rejection.

Why this oneIt prevents rejection more effectively than cyclosporine and avoids that drug's hirsutism and gingival overgrowth.

What limits itNarrow index with trough monitoring, nephrotoxicity, tremor and post-transplant diabetes. CYP3A4 makes interactions constant.

Tacrolimus molecular structure (skeletal formula)
Molecular structure: Tacrolimus

FDA-approved for

FDA label

BOXED WARNING Increased risk of serious infections and malignancies (incl. lymphoma) with immunosuppressants; prescribe under specialist supervision.
FDA dosingPopulationStartTargetMax
Kidney transplant rejection prophylaxis (with azathioprine)Adults0.2 mg/kg/day ÷ q12hTrough mo 1-3: 7-20 ng/mL; mo 4-12: 5-15 ng/mLPer trough level
Kidney transplant rejection prophylaxis (with MMF/IL-2 antagonist)Adults0.1 mg/kg/day ÷ q12hTrough mo 1-12: 4-11 ng/mLPer trough level
Liver transplant rejection prophylaxis (with corticosteroids)Adults0.10-0.15 mg/kg/day ÷ q12hTrough mo 1-12: 5-20 ng/mLPer trough level
Heart transplant rejection prophylaxis (with azathioprine or MMF)Adults0.075 mg/kg/day ÷ q12hTrough mo 1-3: 10-20 ng/mL; mo ≥4: 5-15 ng/mLPer trough level
Liver transplant rejection prophylaxisPediatric0.15-0.2 mg/kg/day ÷ q12hTrough mo 1-12: 5-20 ng/mLPer trough level

Renal Pre-existing renal impairment (liver/heart tx): dose at lower end of range; further reductions may be needed (nephrotoxicity risk)

Hepatic Severe (Child-Pugh ≥10): may require lower doses; monitor blood concentrations closely

Instructions

Available strengths

Cautions

Adverse reactions

Pregnancy Can cause fetal harm; associated with prematurity, birth defects, low birth weight, fetal distress

Lactation Undefined

Cost

Tacrolimus (PROGRAF)
What pharmacies pay · NADAC 9/30/26
Strength#/mogeneric $/moCostPlus
0.5 mgcap60 BID$7.36offered
1 mgcap60 BID$9.21offered
5 mgcap60 BID$41.28offered

Other forms: Tacrolimus ointment (PROTOPIC)

Generic entry2009

⚠ BOXED WARNING

Classes and tags

Clinical profile

Therapeutic safety burden4 / 4
Overdose danger3 / 4
Weight-gain liability0 / 4
Sedation liability0 / 4
QT / Torsades2 / 4
Direct muscarinic antagonism0 / 4
Embryofetal risk2 / 4

Legacy pregnancy categoryC

Defining liabilityNephrotoxicity, neurotoxicity, hypertension, diabetes and extensive interaction/level-monitoring burden.

Open Tacrolimus in the interactive console ↗

Memory aids: interaction avatars

Tacrolimus CYP3A4 substrate avatar mnemonic
CYP3A4 substrate
Tacrolimus P-gp substrate avatar mnemonic
P-gp substrate (sensitive)

Open Tacrolimus in the interactive console ↗