1 In vivo Biocompatibility, Sustained-Release and Stability of Triptorelin Formulations Based on a Liquid, Degradable Polymer Lutz R. Asmus 1 , Jean-Christophe Tille 2 , Béatrice Kaufmann 1 , Louise Melander 3 , Torsten Weiss 3 , Kerstin Vessman 3 , Wolfgang Koechling 3 , Grégoire Schwach 3 , Robert Gurny 1 , Michael Möller 1* 1 School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Quai Ernest-Ansermet 30, 1211 Geneva, Switzerland 2 Division of Clinical Pathology, University Hospital of Geneva, 1211 Geneva, Switzerland 3 Ferring Pharmaceuticals A/S, Kay Fiskers Plads 11, 2300 Copenhagen S, Denmark E-mail addresses: Lutz R. Asmus: Lutz.Asmus@unige.ch Jean-Christophe Tille: Jean-Christophe.Tille@hcuge.ch Béatrice Kaufmann: Beatrice.Kaufmann@unige.ch Louise Melander: Louise.Melander@ferring.com Torsten Weiss: Torsten.Weiss@ferring.com Kerstin Vessmann: Kerstin.Vessmann@ferring.com Wolfgang Koechling: Wolfgang.Koechling@ferring.com Grégoire Schwach: Gregoire.Schwach@ferring.com Robert Gurny: Robert.Gurny@unige.ch Michael Möller: Michael.Moeller@unige.ch * Corresponding author: Michael Möller Phone: +41 / 22 – 379 31 32 Fax: +41 / 22 – 379 65 67