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A clinical study of the concentration and penetration rate of polymyxin B in plasma and pulmonary epithelial lining fluid of HAP/VAP patients caused by carbapenem-resistant Gram-negative bacilli in the treatment of aerosol inhalation and combined intravenous infusion of polymyxin B sulfate

A clinical study of the concentration and penetration rate of polymyxin B in plasma and pulmonary epithelial lining fluid of HAP/VAP patients caused by carbapenem-resistant Gram-negative bacilli in the treatment of aerosol inhalation and combined intravenous infusion of polymyxin B sulfate

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200062227
Enrollment
Unknown
Registered
2022-07-30
Start date
2022-07-30
Completion date
Unknown
Last updated
2023-04-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hospital-acquired Pneumonia (HAP)/ Ventilator-associated Pneumonia (VAP)

Interventions

Sponsors

Huashan Hospital, Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Clinical diagnosis meets HAP/VAP diagnostic criteria; 2. The lower respiratory tract specimens (sputum and bronchoalveolar lavage fluid) were cultured with Carbapenem-resistant Organism (CRO); 3. Aged from 18 to 80 years; 4. Women of childbearing age who had a negative urine pregnancy test before administration began and who agreed to use effective contraception throughout the study period; 5. Glomerular filtration rate (eGFR) > 30 mL/min/1.73m^2 (GFR estimated using CKD-EPI formula); 6. Voluntarily (or the legal agent agrees) to participate in the study and sign the informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients treated with polymyxin B within 3 days prior to enrollment; 2. Patients with multiple colistin allergic reactions (urticaria, angioedema, allergy, desquamate rash, etc.); 3. Female subjects who are breastfeeding and intend to continue breastfeeding; 4. Patients with a history of epilepsy or myasthenia gravis; 5. Patients without conditions for continuous blood vein collection; 6. Patients who are concomitant or expected to use nephrotoxic drugs (e.g. Vancomycin, Amika magnitude) during the study period; 7. Clinical investigator involved in another investigational drug or investigational device within 3 months prior to the trial; 8. Patients inability or unwillingness to comply with study specific procedures and restrictions; 9. With diseases that the investigator believes may compromise subject safety or affect data quality.

Design outcomes

Primary

MeasureTime frame
Polymyxins B concentration and lung penetration in blood and lung lining fluid;

Countries

China

Contacts

Public ContactZhang Jing

Huashan Hospital, Fudan University

zhangj_fudan@aliyun.com+86 21 52888190

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026