<qa>  What is the name of the study that will be part of the French research group?Numerous centers of the French research group of the national association of the hepatologists and gastroenterologists from general hospitals ANGH will be part of this study. Patients treated with baclofen for alcohol -dependence will be enroll prospectively from 2014 and retrospectively if they were treated between 2012 and 2014. The reported alcohol consumption, biological markers of excessive alcohol, initial and usual baclofen dosage, blood balofen dosage as well as clinical data will be collected. 