Colchicine

Category: alkaloid

Aliases: Colcrys, Mitigare

Pharmacological Mechanism

Binds β-tubulin at the vinca-site → blocks microtubule polymerisation → inhibits neutrophil chemotaxis, NLRP3 inflammasome assembly, and intracellular trafficking. Low-dose indication in stable CAD (LoDoCo2 trial 2020) — reduces recurrent MI via inflammasome suppression. Narrow therapeutic index — CYP3A4 and P-gp inhibitors drastically raise exposure and toxicity.

Half-Life (t½)

PO: 31h

Dosing Guidelines

Target Organ Systems

Interactions