Vemurafenib + Tizanidine Interaction

Majorinteraction on record

Description

CYP1A2 substrate with narrow therapeutic window. Vemurafenib increased tizanidine systemic exposure by 4.7-fold. Avoid concomitant use or monitor closely for toxicities and consider dose reduction.

Mechanism

CYP1A2 inhibition

Source: NLP:vemurafenib