Fig. 1From: ACEMg-mediated hearing preservation in cochlear implant patients receiving different electrode lengths (PROHEARING): study protocol for a randomized controlled trialTimeline of the clinical trial PROHEARING. The investigational medicinal product (IMP; ACEMg or placebo) intake starts 2 days before cochlear implant (CI) surgery and lasts for 103 days after surgery. On days 42 to 46 after surgery the first fitting (FF) takes place. At months 3, 6, 9 and 12 after FF study visits are performedBack to article page