Reaction

Loss Of Therapeutic Response reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,983 reports · 39 co-occurring drugs

As of the last recalculation, Loss Of Therapeutic Response appears in 2,983 FAERS reports alongside 39 co-occurring drug terms. The strongest observed disproportionality signal is VEDOLIZUMAB (PRR 125.6).

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
Vedolizumab1,023125.6127.1
Adalimumab-Aaty22335.535.6
Mesalamine26135.435.6
Infliximab-Dyyb12631.431.5
Adalimumab-Fkjp18429.529.6
Adalimumab-Adaz19327.227.3
Imatinib4819.319.3
Tofacitinib Citrate2815.015.1
Abatacept27215.015.0
Nilotinib4911.811.8
Diroximel Fumarate1911.211.2
Infliximab29410.310.3
Azathioprine1169.59.5
Ozanimod Hydrochloride119.39.3
Romiplostim198.98.9
Bosutinib118.68.6
Ustekinumab1168.28.2
Budesonide647.77.7
Dasatinib356.66.6
Mercaptopurine166.56.5
Suvorexant115.95.9
Baricitinib85.85.8
Iron535.65.6
Canakinumab63.93.9
Peginterferon Beta-1A73.73.7
Busulfan83.63.6
Dexlansoprazole193.23.2
Upadacitinib363.13.1
Ixekizumab152.82.8
Golimumab332.72.7
Abiraterone52.62.6
Abemaciclib72.42.4
Dimethyl Fumarate422.42.4
Cariprazine32.32.3
Sarilumab61.61.6
Esketamine Hydrochloride41.61.6
Guselkumab61.21.2
Dupilumab610.90.9
Apremilast180.90.9

Related reactions

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