Atezolizumab vs Escitalopram
## Atezolizumab vs Escitalopram: Overview
This comparison examines the pharmacological differences between **Atezolizumab** and **Escitalopram**.
## Mechanism of Action
**Atezolizumab**: Fully human anti-PD-L1 IgG1 monoclonal antibody blocking PD-L1 interaction with PD-1 and B7.1.
**Escitalopram**: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.
## Pharmacokinetics
**Half-life**: Atezolizumab — 27 days; Escitalopram — 27-32 hours.
## Chemical Properties
**Molecular Formula**: Atezolizumab — N/A; Escitalopram — C20H21FN2O.
**Molecular Weight**: Atezolizumab — N/A; Escitalopram — 324.3920 g/mol.
**Type**: Atezolizumab — Antibody; Escitalopram — Small molecule.