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Clinical Trial Summary

Sepsis is a life-threatening reaction to an infection. It happens when the immune system overreacts to an infection and starts to damage the body's tissues and organs. The aim of this research study is to compare the two different ways to treat sepsis, in the early phase of treatment immediately after the participants arrive in hospital. The standard approach is to give a salt solution fluid through a drip in the participants arm to start with, then adding in a medication that increases the blood flow to the participants vital organs (a vasopressor mediation called norepinephrine) if required. The alternative approach is to start the vasopressor medication immediately, and then add in extra salt solution fluid via a drip if required. Vasopressors work by increasing the blood pressure which allows a better blood flow to the internal organs. The investigators plan to see which approach is better and to see if they have a role in improving a patient's recovery time, reducing complications, the length of time they stay in hospital and longer term poor health. Based on research that has already been done, the investigators believe treating patients with vasopressors when they arrive in the Emergency Department, may have potential advantages over the standard fluids used today. However, the evidence is not clear and that is why this research is being done.

Clinical Trial Description

Sepsis results from overwhelming reactions to microbial infections where the immune system initiates dysregulated responses that lead to remote organ dysfunction, shock and ultimately death. Sepsis remains a significant global issue - as well as direct mortality, survivors suffer long term reductions in patient centred outcomes, with reduced quality of life and functional status. Patients with hypotension and organ hypoperfusion as a result of sepsis have poorer outcomes by dysregulated inflammation, endothelial dysfunction, immune suppression, and organ dysfunction. Current guidelines highlight the importance of early fluid resuscitation, but the association of early fluid therapy with improved outcomes is unclear. In the resuscitation phase, current practice is to give intravenous (IV) fluid and intermittent vasopressor boluses if required, before, for some patients, continuous vasopressor infusion via a central venous line in Intensive Care (ICU). An alternative, early continuous peripheral vasopressor infusion (PVI) is not routine practice in the UK. Current practice in the UK is guided by NICE Sepsis guidance and the international Surviving Sepsis Campaign (SSC) consensus recommendations. Both specify intravenous fluid administration as a central tenet of early resuscitation of patients with septic shock, with intravenous vasopressor administration recommended after intravenous fluid resuscitation. NICE recommend boluses of 500ml of crystalloid and "refer to critical care for review of management including need for central venous access and initiation of vasopressors". SSC recommend 30ml/kg crystalloid in first hour, followed by vasopressors to maintain MAP>65. The current NICE fluid resuscitation guideline, November 2020, continues to emphasise 500ml boluses of crystalloid as usual care. A recent international survey of 100 critical care and EM physicians regarding intravenous fluid resuscitation practice, confirmed that an initial bolus of 1000ml of crystalloid, followed by 500ml boluses of crystalloid remained the most common management strategy for the initial treatment of septic shock. This persisted despite the lack of benefit demonstrated in three landmark trials of protocolised sepsis management. In recent years, there has been increasing acceptance of peripheral administration of norepinephrine, based on evidence of safety and efficacy. The Intensive Care Society published guidance on peripheral vasopressor infusion in November 2020. We have recently conducted a survey amongst ED and ICU clinicians in the UK regarding attitudes and current practice related to the use of intravenous peripheral vasopressors. Eighty two respondents provided the following answers 1. Experience of use of any intravenous vasopressor in ED was high (81%); 2. Exclusive PVI made up 23% of all vasopressor use in ED; 3. Norepinephrine (norepinephrine) was the most common vasopressor (54%); 4. Barriers to PVI were local protocols and an appropriate level of care in the destination ward for a patient on vasopressor infusion. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05179499
Study type Interventional
Source NHS Greater Glasgow and Clyde
Status Not yet recruiting
Phase Phase 3
Start date March 1, 2022
Completion date July 30, 2025

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