Durvalumab vs Levothyroxine
## Durvalumab vs Levothyroxine: Overview
This comparison examines the pharmacological differences between **Durvalumab** and **Levothyroxine**.
## Mechanism of Action
**Durvalumab**: Human IgG1 kappa anti-PD-L1 monoclonal antibody blocking PD-L1 binding to PD-1 and CD80.
**Levothyroxine**: Synthetic thyroid hormone T4 replacement.
## Pharmacokinetics
**Half-life**: Durvalumab — 17 days; Levothyroxine — 6-7 days.
## Chemical Properties
**Molecular Formula**: Durvalumab — N/A; Levothyroxine — C15H11I4NO4.
**Molecular Weight**: Durvalumab — N/A; Levothyroxine — 776.8700 g/mol.
**Type**: Durvalumab — Antibody; Levothyroxine — Small molecule.