Nivolumab vs Tacrolimus
## Nivolumab vs Tacrolimus: Overview
This comparison examines the pharmacological differences between **Nivolumab** and **Tacrolimus**.
## Mechanism of Action
**Nivolumab**: Fully human anti-PD-1 IgG4 monoclonal antibody restoring T-cell anti-tumor activity.
**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.
## Pharmacokinetics
**Half-life**: Nivolumab — 27 days; Tacrolimus — 12 hours.
## Chemical Properties
**Molecular Formula**: Nivolumab — N/A; Tacrolimus — C44H69NO12.
**Molecular Weight**: Nivolumab — N/A; Tacrolimus — 804.0180 g/mol.
**Type**: Nivolumab — Antibody; Tacrolimus — Small molecule.