Using midodrine to reduce IV vasopressor use in ICU patients

Midodrine for the Early Liberation From Vasopressor Support in the ICU - The LIBERATE Multi-Site Study

PHASE4 · University of Alberta · NCT05058612

This study is testing if an oral medication called midodrine can help ICU patients with low blood pressure avoid using IV medications.

Quick facts

PhasePHASE4
Study typeInterventional
Enrollment870 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Alberta (other)
Locations1 site (Edmonton, Alberta)
Trial IDNCT05058612 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of midodrine, an oral vasopressor, in reducing the need for intravenous (IV) vasopressors in patients with low blood pressure in the intensive care unit (ICU). The research builds on previous findings and aims to provide a safer alternative for hemodynamic support by transitioning patients from IV to oral medication. The study will involve a multi-site approach, comparing the outcomes of patients receiving midodrine versus a placebo. The goal is to improve patient care and outcomes in critical settings by minimizing the complications associated with IV vasopressor use.

Who should consider this trial

Good fit: Ideal candidates for this study are adults over 18 years old who are currently receiving vasopressor support and are experiencing a decrease in their vasopressor doses.

Not a fit: Patients who are not currently on vasopressor support or have contraindications to enteral medications will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to safer and more effective management of blood pressure in critically ill patients.

How similar studies have performed: Previous studies have shown promise in using oral vasopressors in non-critically ill patients, but this specific application in the ICU setting is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \> 18 years
* Ongoing vasopressor support
* Decreasing vasopressor dose(s)

Exclusion Criteria:

* Greater than 24 hours from peak vasopressor dose
* Contraindication to enteral medications
* Previously received midodrine in last 7 days
* Expected death or anticipated withdrawal of life-sustaining therapies in next 24 hours
* Pregnancy
* Known allergy to midodrine

Where this trial is running

Edmonton, Alberta

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: Vasoplegia, critical care medicine, intensive care, shock, midodrine

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.