Clinical Research Directory

Inclusion Criteria: 1. Aged 18 years or older. 2. Voluntarily participating in this study and signing an informed consent form. If the subject is unable to read and/or sign the informed consent form due to lack of capacity or other reasons, the informed process and the informed consent form must be signed by their legal guardian. 3. Patients with clinical manifestations and imaging results consistent with bacterial pneumonia, and who are expected to benefit from antimicrobial treatment. Suspected carbapenem-resistant Acinetobacter baumannii infection or Acinetobacter baumannii detected in two consecutive sputum cultures (at least one of which must be from bronchoalveolar lavage or endotracheal aspirate), with resistance to carbapenems. 4. Patients who have been treated with eravacycline for at least 3 days. Exclusion Criteria: 1. The investigator believes that there are any medical history, current condition, treatment, abnormal laboratory test results, or other situations that may affect the trial results, interrupt the trial process (or the subject cannot complete all trial requirements, operations, and visits), or increase the risk to the subject from receiving the trial medication, including patients with terminal illness, or evidence of an immediately life-threatening disease. 2. Patients with a history of allergic reactions to tetracyclines or any excipients contained in the formulation of the study medication.