Safety of Intravenous Application of Mistletoe (Viscum album L.) Preparations in Oncology: An Observational Study
This large-scale observational study evaluated the safety of intravenous mistletoe preparations (Helixor, Abnoba viscum, Iscador) in 475 oncology patients. Over 4,500 infusions were analyzed. Adverse drug reactions (ADRs) were reported in 4.6% of patients, with 59.4% of these being mild and 40.6% moderate; no severe ADRs were observed. ADRs occurred