Perspectives of Clinical Pharmacist on Erlotinib-Related
Drug Interactions
Kamer TECEN*, Aygin BAYRAKTAR-EKİNCİOĞLU*°
* Hacettepe Üniversitesi Eczacılık Fakültesi Klinik Eczacılık Anabilim Dalı, Ankara-TÜRKİYE
°Corresponding Author:
Phone: 05323550746
E-mail: aygin@hacettepe.edu.tr
Summary
Erlotinib is a tyrosine kinase inhibitor which is one of the epidermal
growth factor receptor inhibitors and its use in cancer treatment
increases recently. Since the main metabolisation pathway of
erlotinib is via the Cytochrome P450 enzyme system in liver, it
becomes one of the important drug with a high potential for drug
interactions. The solubility of erlotinib is pH dependent, therefore
concurrent use of acid suppressing agents can alter the bioavailability
of erlotinib. Drug interactions observed with erlotinib treatment are
common in clinical practice and affects the treatment process. An
involvement of clinical pharmacist in the monitoring of treatment
will help to prevent those interactions. In this review, it is aimed to
give information about clinically important drug interactions and
management of these interactions in a view of current literature.
Key Words :
Tyrosine kinase inhibitors, erlotinib, drug interactions,
clinical pharmacist.