PRECYCLE: multicenter, randomized phase IV intergroup trial to evaluate the impact of eHealth-based patient-reported outcome (PRO) assessment on quality of life in patients with ho... oleh Tom Degenhardt, Peter A. Fasching, Diana Lüftner, Volkmar Müller, Christoph Thomssen, Christian Schem, Isabell Witzel, Thomas Decker, Hans Tesch, Sherko Kümmel, Christoph Uleer, Rachel Wuerstlein, Oliver Hoffmann, Mathias Warm, Norbert Marschner, Timo Schinköthe, Ronald E. Kates, Johannes Schumacher, Burkhard Otremba, Matthias Zaiss, Nadia Harbeck, Marcus Schmidt, on behalf of the PreCycle Investigators