Reaction

Drug Resistance Mutation reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 174 reports · 14 co-occurring drugs

As of the last recalculation, Drug Resistance Mutation appears in 174 FAERS reports alongside 14 co-occurring drug terms. The strongest observed disproportionality signal is OSIMERTINIB (PRR 239.9).

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
Osimertinib47239.9240.3
Valganciclovir Hydrochloride Powder,16172.7172.9
Ganciclovir Sodium13158.7158.9
Ganciclovir12150.6150.7
Valganciclovir19135.2135.3
Valganciclovir Hydrochloride19135.2135.3
Imatinib16119.4119.5
Gefitinib8111.1111.2
Crizotinib1099.899.9
Pemetrexed1165.465.5
Remdesivir765.465.5
Erlotinib450.550.6
Bictegravir Sodium, Emtricitabine, And Tenofovir Alafenamide Fumarate748.148.1
Bosutinib340.640.6

Related reactions

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