pk.drugs – Detail
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Ribociclib

Brand: Kisqali
Anticancer CDK4/6 inhibitor

Chemistry

Molecular Formula C28H34N8O
PubChem CID: 44679057
Open in PubChem
Structure
structure

Pharmacokinetics

Half-life 32 hours
Tmax 2 h
Bioavailability 65 % (approx)
Protein Binding 70 %
Volume of Distribution 1.2 L/kg (approx)
Clearance Route hepatic
Active Metabolites yes
Notes Causes QT prolongation risk; ECG & electrolytes monitoring recommended.

⚠️ Safety & Warnings

Severity: Severe

Adverse Effects:
Neutropenia, hepatotoxicity, QT prolongation

Contraindications:
Baseline QTc >450 ms; uncontrolled arrhythmia

Precautions:
ECG + electrolytes monitoring recommended regularly