Reaction

Hormone Receptor Positive Breast Cancer reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 260 reports · 14 co-occurring drugs

As of the last recalculation, Hormone Receptor Positive Breast Cancer appears in 260 FAERS reports alongside 14 co-occurring drug terms. The strongest observed disproportionality signal is EXEMESTANE (PRR 131.4).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.
DrugCo-reportsPRRROR
Exemestane31131.4131.6
Letrozole Tablets57121.2121.4
Everolimus Tablets23120.4120.5
Letrozole5998.999.0
Ribociclib3292.492.5
Goserelin1381.581.6
Fulvestrant2772.973.0
Anastrozole Tablets1663.563.6
Lapatinib1159.259.3
Ado-Trastuzumab Emtansine658.358.3
Everolimus2747.347.3
Alpelisib327.927.9
Diroximel Fumarate427.327.3
Levonorgestrel2510.910.9

Related reactions

Data source: openFDA FAERS. See the OpenPV methodology and limitations.