Effects of meropenem plus ulinastatin on inflammatory response and complications in patients with severe septic shock - Report - MDSpire

Impact of Combining Meropenem and Ulinastatin on Inflammatory Responses and Complications in Severe Septic Shock Patients

  • By

  • Dan Wu

  • Wei Ni

  • Xinying Zhang

  • Xiaodong Liu

  • July 21, 2026

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Clinical Report: Impact of Combining Meropenem and Ulinastatin on Inflammatory Responses

Overview

This study evaluates the effects of ulinastatin in addition to meropenem on inflammatory and clinical outcomes in severe septic shock patients. Results indicate differences in inflammatory markers, coagulation profiles, and complications in patients receiving the combination therapy.

Background

Septic shock is a critical condition with high morbidity and mortality, necessitating effective management strategies. The interplay of inflammation, coagulation, and immune response is crucial in determining patient outcomes.

Data Highlights

OutcomeObservation Group (n=53)Control Group (n=53)p-value
Overall Response Rate90.6%73.6%< 0.05
CRP LevelsLowerHigher< 0.05
Fib LevelsLowerHigher< 0.05
Heart Rate ImprovementGreaterLesser< 0.05
ICU Stay DurationShorterLonger< 0.001
Complication Rate9.4%24.5%< 0.05

Key Findings

  • The overall response rate was significantly higher in the observation group (90.6%) compared to the control group (73.6%).
  • Post-treatment inflammatory markers (CRP, PCT, IL-6, IL-8, TNF-α) were lower in the observation group.
  • Coagulation parameters (Fib levels, PT, APTT) showed improvement in the observation group.
  • Hemodynamic parameters (heart rate, MAP, cardiac index) improved more in the observation group.
  • ICU stay and mechanical ventilation duration were significantly shorter in the observation group.
  • The complication rate was lower in the observation group (9.4%) compared to the control group (24.5%).

Clinical Implications

The findings suggest differences in inflammatory and coagulation profiles between treatment groups, warranting further investigation.

Conclusion

The combination of ulinastatin and meropenem is associated with differences in outcomes in severe septic shock patients. However, due to the non-randomized nature of the study, causality cannot be definitively established.

Related Resources & Content

  1. Critical Care (Springer), 2025 -- Reduced plasma levels of Copine 5 correlate with sepsis-induced vascular leakage and mortality in human patients and a murine sepsis model
  2. Infection, 2025 -- Optimized Dosing Strategies for Meropenem in Critically Ill Patients Undergoing SLEDD: Insights from an Observational Study
  3. Infection, 2020 -- Assessment of Acute Kidney Injury Risk Associated with Piperacillin/Tazobactam in Adult Patients in Critical Care
  4. Infection, 2023 -- Prolonged Administration of Meropenem–Vaborbactam for Treating KPC-3-Producing Klebsiella pneumoniae Bacteremia in a Critically Ill Patient with Enhanced Renal Clearance
  5. Surviving Sepsis Campaign Adult Guidelines | SCCM, 2026 -- Guidelines and resources for managing sepsis
  6. Continuous vs Intermittent β-Lactam Antibiotic Infusions in Critically Ill Patients With Sepsis: The BLING III Randomized Clinical Trial - PMC, 2024
  7. Surviving Sepsis Campaign Adult Guidelines | SCCM
  8. Continuous vs Intermittent β-Lactam Antibiotic Infusions in Critically Ill Patients With Sepsis: The BLING III Randomized Clinical Trial - PMC
  9. Real-world safety of ulinastatin: a post-marketing surveillance of 11,252 patients in China - PMC

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