Exploring the lack of cross-resistance between aromatase inhibitors: evidence for a difference?

Abstract:

:A lack of cross-resistance between the aromatase inhibitors (AIs) provides evidence to suggest that there are clinical differences between these agents. Available data from clinical trials indicate that patients exposed to nonsteroidal AIs may benefit from a steroidal compound of similar biochemical potency, and durable stable disease can be achieved in a significant proportion of patients. To date, there is little evidence suggesting specific pharmacokinetic/pharmacodynamic resistance for individual tumours to particular compounds. To clarify fully this issue, a head-to-head comparative trial in the adjuvant setting is needed and the results of the MA.27 trial randomizing patients to the steroidal AI exemestane vs. the nonsteroidal AI anastrozole will be invaluable in this regard.

journal_name

Anticancer Drugs

journal_title

Anti-cancer drugs

authors

Lønning PE

doi

10.1097/01.cad.0000277875.81122.25

subject

Has Abstract

pub_date

2008-03-01 00:00:00

pages

S11-3

eissn

0959-4973

issn

1473-5741

pii

00001813-200803001-00004

journal_volume

19 Suppl 2

pub_type

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