Investigating the effect of diluent volume on colistin inhalation therapy for pneumonia

Effect of Diluent Volume on Colistin Inhalation Therapy for Mechanically Ventilated Respiratory Patients

NA · Fu Jen Catholic University · NCT06230614

This study is testing whether using different amounts of saline to dilute colistin can help improve treatment outcomes for patients on ventilators with pneumonia.

Quick facts

PhaseNA
Study typeInterventional
Enrollment60 (estimated)
Ages18 Years to 100 Years
SexAll
SponsorFu Jen Catholic University (other)
Locations1 site (New Taipei City)
Trial IDNCT06230614 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate how different diluent volumes affect the clinical outcomes of colistin inhalation therapy in mechanically ventilated patients with inhalation pneumonia. It will compare two groups: one receiving colistin diluted in 6 ml of saline and the other in 12 ml. The study will assess various outcomes, including ICU length of stay, hospitalization duration, respiratory support duration, and mortality rates, while also analyzing the pharmacokinetics of colistin. The goal is to identify the optimal diluent volume for improving treatment efficacy in clinical practice.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old who are mechanically ventilated in the ICU and require inhalation colistin treatment.

Not a fit: Patients with renal failure requiring dialysis or those receiving both inhaled and intravenous colistin treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could optimize colistin inhalation therapy, potentially improving recovery outcomes for critically ill patients with pneumonia.

How similar studies have performed: While the use of colistin for inhalation therapy is established, the specific investigation of diluent volume effects is relatively novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Admitted to the Intensive Care Unit.
* Age greater than 18 years and using a ventilator due to acute respiratory failure.
* Requires inhalation colistin treatment as determined by the disease.
* Sign the written informed consent form.

Exclusion Criteria:

* Renal failure requiring renal dialysis.
* Receiving both inhaled colistin and intravenous colistin treatments.

Where this trial is running

New Taipei City

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Inhalation Pneumonia, Colistin, antibiotic, inhalation therapy, diluent volume, randomized controlled trial

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.