This 2014 in vitro study (BMC Complementary and Alternative Medicine, PMID: 24397864) investigated the interaction between standardized mistletoe extracts (Viscum album, VAE-M and VAE-Qu) and common chemotherapeutic drugs (including doxorubicin, cisplatin, gemcitabine, docetaxel, and mitoxantrone) across multiple human cancer cell lines (breast, pancreatic, prostate, and lung). The results showed that
