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Methylene Blue in Early Septic Shock — SHOCKEM-Blue  

Septic Shock Clinical Trial

Official title:
Early Use of Methylene Blue in Patients With Septic Shock: a Pilot Randomized Controlled Trial

Clinical Trial Summary

Septic shock is a subset of sepsis characterized by a decrease in vascular tone, which contributes to impaired regional blood flow distribution, and leads to organic failure. Besides intravenous fluids and adequate antimicrobial therapy, patients with septic shock require vasopressor support, which can lead to many adverse effects, therefore, non-vasopressor agents that can improve hemodynamic status are needed. In this randomized controlled-study, the investigators will address the efficacy and safety of infusion with methylene blue in patients with septic shock.

Clinical Trial Description

Unlike sepsis, septic shock mortality is not declining for the last decade, and is still around 40%. After restoring intravascular volume, many patients need vasopressor agents to maintain arterial blood pressure, which leads to improvement of perfusion at some vascular beds, however some organs may suffer from maldistribution of blood flow. These changes of regional blood flow may compromise oxygen delivery and perpetuate the inflammation and tissue damage associated with the state of shock. One of the main mechanisms of vasodilation after inflammatory insults, is the activation of the inducible isoform of Nitric Oxide Synthase (iNOS), and the subsequent increase in the levels of nitric oxide, which even reduces the response to vasoconstrictor agents. Methylene blue (MB) is a selective inhibitor of iNOS, which has been used successfully in patients with post-cardiopulmonary bypass associated vasoplegia, however, the evidence of the use of MB in septic shock patients is limited to case reports, observational and small studies. In this randomized controlled trial, the investigators will compare the efficacy and safety outcomes of repeated doses of MB in patients with septic shock. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04446871
Study type Interventional
Source Hospital Civil de Guadalajara
Contact
Status Completed
Phase Phase 2/Phase 3
Start date March 17, 2017
Completion date January 25, 2021
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