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CompletedNCT07141693ROGARUpdated May 8, 2026

Renal Oximetry-Guided Anesthesia With Near-Infrared Spectroscopy for Improved Postoperative Outcomes

A Phase 1 interventional study of NIRS-guided management and Standard anesthesia management in Acute Kidney Injury, sponsored by Chinese PLA General Hospital. Completed at 1 site in China. Open to participants aged 45 Years and older. Per ClinicalTrials.gov, last updated 2026-05-08.

Sponsored by Chinese PLA General Hospital · Phase 1, Interventional, and Prevention

Phase
Phase 1
Study type
Interventional
Enrollment
80
Allocation
Randomized
Ages
45 Years and older
Sex
All
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Study summary

The trial is a prospective, randomized, single-blind, pilot study investigating whether near-infrared spectroscopy (NIRS)-guided optimization of intraoperative renal oxygen saturation reduces postoperative acute kidney injury (AKI) in patients undergoing elective hepatectomy. The trial will enroll 80 adults (≥45 years, American society of Aneshesiologists physical status I-III), randomizing them to either standard anesthesia management or NIRS-guided management where a predefined 6-step intervention protocol (volume optimization, vasoactive drugs, inotropes, heart rate management, transfusion, and FiO₂ management) is triggered if decreases >10% from baseline. Primary outcomes are the incidence of AKI within 7 days and the 28-day Comprehensive Complication Index (CCI). The study aims to determine if real-time SrtO₂ monitoring and proactive intervention can prevent this serious complication, based on previous observational data linking renal desaturation to AKI risk.

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Conditions studied

  • Acute Kidney Injury

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03

In context

Acute Kidney Injury

1,595 studies on the registry are indexed under Acute Kidney Injury; 371 are open to participants now.

This study's enrollment of 80 is below the median of 100 across 763 interventional studies indexed under Acute Kidney Injury.

Browse Acute Kidney Injury studies →

Lead sponsor

Chinese PLA General Hospital is the lead sponsor of 558 studies on the registry; 202 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
45 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Age ≥ 45 years
  • Scheduled for elective hepatectomy
  • Planned for general anesthesia with endotracheal intubation
  • BMI \< 30 kg/m2
  • Preoperative ultrasound shows renal cortical to skin distance ≤ 4 cm
  • ASA classification I-III
  • Consenting to participate and signing informed consent

Exclusion criteria

Exclusion Criteria:

  • Liver transplantation surgery
  • Preoperative renal dysfunction or requirement for dialysis treatment;
  • Contraindications to vasoactive drugs such as norepinephrine or dopamine as determined by the clinician;
  • Severe cardiopulmonary insufficiency (severe arrhythmia, heart failure, respiratory failure, chronic obstructive pulmonary disease), or a serious cardiovascular or cerebrovascular event within the last six months before randomization (such as acute heart failure, acute myocardial infarction, stroke, etc.);
  • Patient refusal to participate or current participation in another experimental study;
  • Other factors deemed unsuitable for inclusion by the researcher.
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Study design

Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Outcomes assessor)
Enrollment
80 participants (actual)

Study arms

  • Experimental
    NIRS-guided anesthesia management group

    NIRS-guided management where a predefined 6-step intervention protocol (volume optimization, vasoactive drugs, inotropes, heart rate management, transfusion, and FiO₂ increase)

    Procedure: NIRS-guided management

  • Placebo comparator
    Standard anesthesia management

    standard anesthesia management

    Procedure: Standard anesthesia management

Interventions

  • ProcedureNIRS-guided management

    NIRS-guided management where a predefined 6-step intervention protocol (volume optimization, vasoactive drugs, inotropes, heart rate management, transfusion, and FiO₂ increase)

  • ProcedureStandard anesthesia management

    Standard anesthesia management

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What researchers measure

Primary outcomes

  1. Actue kidney injury

    An increase in serum creatinine of ≥26.5 μmol/L from baseline within 48 hours or an increase of ≥50% from baseline within 7 days

    Time frame: Postoperative Day 1-7

  2. Comprehensive Complication Index

    The co-primary outcome is the Comprehensive Complication Index (CCI) score, which includes all complications occurring from randomization to the 28-day follow-up period and calculated using the Clavien-Dindo classification (CDC).

    Time frame: Postoperative Day 1-28

Secondary outcomes

  1. Total duration and proportion of time during surgery of renal desaturation

    Total duration and proportion of time during surgery when renal oxygen saturation decreases by \>10% from baseline

    Time frame: Intraoperative

  2. Area under the curve for renal oxygen desaturation

    Area under the curve for renal oxygen saturation decrease by \>10% from baseline

    Time frame: Intraoperative

  3. Use of vasoactive drugs

    The type and total dose of vasoactive drugs

    Time frame: Intraoperative

  4. Intraoperative blood pressure levels

    Intraoperative low blood pressure and the lowest level

    Time frame: Intraoperative

  5. AKI grading

    According to serum creatinine level to conduct AKI grade

    Time frame: Postoperative Day 1-7

  6. Overall incidence of postoperative complications

    Overall incidence of postoperative complications, including neurological, respiratory, cardiovascular complications, acute kidney injury, and sepsis.

    Time frame: Postoperative Day 1-28

  7. mortality

    In-hospital mortality and 28-day postoperative mortality

    Time frame: Postoperative Day 1-28

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Study locations

1 site
  • Chinese PLA General Hospital
    Beijing, Beijing Municipality 100853, China
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 8, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07141693
Lead sponsor
Chinese PLA General Hospital
Collaborators
Beijing Tsinghua Changgeng Hospital
Responsible party
Hao Li (Prof, Chinese PLA General Hospital) — Principal investigator
First posted
Aug 26, 2025
Start date
Sep 1, 2025
Primary completion
Feb 1, 2026
Completion
Apr 24, 2026
Last update
May 8, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in May 2026. You cannot join it, but the record below documents what was studied.

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