Overview PTH - Preemptive Treatment for Herpesviridae Status: Unknown status Trial end date: 2019-12-01 Target enrollment: Participant gender: Summary The aim of this study is to show that a preemptive treatment by ganciclovir (for positive CMV viremia) or aciclovir (for positive HSV oro-pharyngeal PCR) is able to increase the number of ventilator-free days at Day 60. Phase: Phase 4 Details Lead Sponsor: Assistance Publique Hopitaux De MarseilleTreatments: AcyclovirGanciclovirGanciclovir triphosphate