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Comparative efficacy and safety of polymyxin alone and polymyxin plus tigecycline for Carbapenem-resistant Klebsiella pneumoniae infections: a retrospective cohort study

Comparative efficacy and safety of polymyxin alone and polymyxin plus tigecycline for Carbapenem-resistant Klebsiella pneumoniae infections: a retrospective cohort study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600129061
Enrollment
Unknown
Registered
2026-07-30
Start date
2026-08-03
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Carbapenem-resistant Klebsiella pneumoniae infections

Interventions

Polymyxin combination therapy group:None
Polymyxin monotherapy group:None

Sponsors

Shandong Provincial Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Microbiologically documented infections caused by Carbapenem-resistant Klebsiella pneumoniae ; 2. patients who received intravenous polymyxin (sulfate polymyxin B or colistin methanesulfonate) alone or polymyxin combined with tigecycline for more than 24 hours ; 3. patients aged 18 years or older.

Exclusion criteria

Exclusion criteria: 1. patients who received tigecycline more than 24 hours after or before receiving intravenous polymyxin; 2.patients with missing data more than 20%;

Design outcomes

Primary

MeasureTime frame
28-day all-cause mortality;

Secondary

MeasureTime frame
The occurrence of acute kidney injury associated with polymyxin;14-day all-cause mortality;14-day CRKP clearance rate;Days of mechanical ventilation within 28 days;Days of renal replacement therapy within 28 days;Length of ICU stay,Total length of hospital stay;Days of vasopressor use within 28 days;

Countries

China

Contacts

Public ContactJuan Zeng

Shandong Provincial Hospital

nine2652@163.com+86 531 68776432

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026