Safety of intravenously applied mistletoe extract – results from a phase I dose escalation study in patients with advanced cancer
This phase I dose-escalation trial investigated the safety and tolerability of intravenous mistletoe extract (Helixor® P) in 21 patients with advanced, treatment-resistant malignancies. Doses ranged from 200 to 2000 mg weekly over a 3-week period, with a 9-week extension for high-dose patients. The maximum tolerated dose was not reached. One