Clinical trial Recruiting at 1 site Interventional Ages 45 and up

Guiding blood flow management during major abdominal surgery using urethral perfusion index

Official title: Urethral PeRfusion Index-Guided Hemodynamic ManagemenT in Patients Having Major Abdominal Surgery: the UPRIGHT Randomized Feasibility Trial

Run by Universitätsklinikum Hamburg-Eppendorf · NCT06799832 · Data updated 2026-11-12

This study is testing if keeping track of blood flow in the urethra during major abdominal surgery can help improve overall blood flow to the body compared to regular care.

Quick facts

Study typeInterventional
Ages45 Years and up
SexAll
Enrollment116 (estimated)
SponsorUniversitätsklinikum Hamburg-Eppendorf
Academic / other
Locations2 sites (Hamburg and 1 other locations)
StatusRecruiting
StartedJanuary 21, 2025
Main results expectedJune 30, 2025
Study endsJuly 31, 2025
Registry record updatedFebruary 21, 2025
Trial IDNCT06799832 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients aged 45 and older scheduled for elective major abdominal surgery requiring arterial and urinary catheters.

Probably not a fit

Patients who are pregnant, undergoing nephrectomy or organ transplantation, or those with prior urethral or bladder surgery may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This pilot trial aims to evaluate whether maintaining a specific urethral perfusion index during major abdominal surgery can improve tissue perfusion compared to standard care. The study will monitor urethral perfusion in patients undergoing elective surgeries lasting at least 120 minutes and will assess the correlation between urethral perfusion index and other vital signs. Additionally, it will explore the relationship between urethral and peripheral perfusion indices. The trial is conducted at a single center, focusing on a specific patient population.

Why it matters

Potential benefit: If successful, this approach could enhance patient outcomes by optimizing blood flow management during major surgeries.

How similar studies have gone: While this specific approach is novel, similar studies have explored perfusion monitoring in surgical settings with varying degrees of success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* at least 45 years old
* scheduled for elective major abdominal surgery (involving visceral organs with an expected duration of at least 120 minutes)
* indication for an arterial catheter
* indication for an urinary catheter

Exclusion Criteria:

* Pregnancy
* Planned surgery: nephrectomy, liver or kidney transplantation surgery
* Patients who previously had surgery on the urethra or bladder
* Patients without clinical indication for continuous blood pressure monitoring with an intraarterial catheter

Where it's running

  • University Medical Center Hamburg-Eppendorf
    Hamburg, Germany
    Recruiting
  • University Medical Center Hamburg-Eppendorf
    Hamburg, Germany
    Not yet recruiting

Study contacts

  • Principal investigator: Bernd Saugel, MD — University Medical Center Hamburg Eppendorf, Hamburg, Germany and OUTCOMES RESEARCH Consortium®, Houston, Texas, USA
  • Study coordinator: Bernd Saugel, MD
  • Email: b.saugel@uke.de
  • Phone: +49741052415

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.