Overview

Tigecycline is a last-resort antibiotic that is used to treat severe infections caused by extensively drug-resistant bacteria. However, the efficacy and safety data for tigecycline in infectious patients are lacking. The aim of this study is to assess the efficacy and safety of tigecycline in infectious patients using pharmacokinetics and omics.

Eligibility

Inclusion Criteria:

• critically ill hospitalized males or nonpregnant females aged 18 years with severe infections which the treating clinician was treating with tigecycline

Exclusion Criteria:

1. severe liver dis- eases (e.g., Child-Pugh score C);
2. patients allergic to tetracycline and tigecycline;
3. those who have participated in other clinical trials, or those who are considered unsuitable by researchers;
4. pregnant women and lactating women.