Reaction

Tumour Marker Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 179 reports · 7 co-occurring drugs

As of the last recalculation, Tumour Marker Decreased appears in 179 FAERS reports alongside 7 co-occurring drug terms. The strongest observed disproportionality signal is ALPELISIB (PRR 351.9).

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
Alpelisib23351.9352.8
Ribociclib45221.1221.4
Exemestane1588.888.8
Fulvestrant2288.288.2
Fam-Trastuzumab Deruxtecan-Nxki559.359.3
Niraparib1055.455.5
Regorafenib551.551.5

Related reactions

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