Experimental: Continuous intravenous antibiotic infusion

Ampicillin 12g/24h plus ceftriaxone 4g/12h continuous infusion. The duration of treatment will be 42 days.

Active_comparator: Standard treatment

Ampicillin 2g/4h plus ceftriaxone 2g/12h intermittent infusion for a minimum of 14 days. Starting on day 14 of treatment, if the patient is discharged from the hospital, the following treatments will be permitted:~1. Intravenous treatment in TADE programs according to the following regimens:~ 1. Ampicillin 2g/4h plus ceftriaxone 2g/12h as an intermittent infusion~ 2. Teicoplanin 10-12mg/kg/24h~ 3. Daptomycin 10-12mg/kg/24h~ 4. Dalbavancin: Initial dose: 2 doses of 1500mg every 2 weeks. Maintenance dose: 1500mg every 15days.~ 5. Linezolid: 600mg/12hours~2. Oral treatment according to the following regimens:~ 1. Amoxicillin 1 g/6h + Moxifloxacin 400mg/24h.~ 2. Amoxicillin 1 g/6h + Linezolid 600 mg/12h.~ 3. Amoxicillin 1 g/6h + Rifampin 600 mg/12h.~ 4. Linezolid 600 mg/12h + Moxifloxacin 400mg/24h.~ 5. Linezolid 600 mg/12h + Rifampin 600 mg/12h. The duration of treatment will be 42 days