Last reviewed · How we verify

Tacrolimus (Prograf®)

Astellas Pharma Inc · FDA-approved active Small molecule

Tacrolimus inhibits calcineurin phosphatase, blocking T-cell activation and proliferation to suppress immune responses.

Tacrolimus inhibits calcineurin phosphatase, blocking T-cell activation and proliferation to suppress immune responses. Used for Prevention of organ rejection in kidney, heart, and liver transplant recipients, Atopic dermatitis (topical formulation), Severe refractory uveitis.

At a glance

Generic nameTacrolimus (Prograf®)
Also known asPrograf
SponsorAstellas Pharma Inc
Drug classCalcineurin inhibitor
TargetCalcineurin (via FKBP12 binding)
ModalitySmall molecule
Therapeutic areaImmunology
PhaseFDA-approved

Mechanism of action

Tacrolimus binds to the immunophilin FKBP12, and this complex inhibits calcineurin, a serine/threonine phosphatase essential for dephosphorylating NFAT (nuclear factor of activated T cells). By preventing NFAT translocation to the nucleus, tacrolimus blocks the transcription of IL-2 and other cytokines required for T-cell activation and proliferation. This potent immunosuppression makes it effective for preventing organ rejection and treating autoimmune conditions.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: