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Clinical Trial Summary

Sepsis is life-threatening organ dysfunction caused by a dysregulated host response to infection. Septic shock is defined as sepsis that has circulatory, cellular, and metabolic abnormalities that are associated with a greater risk of mortality than sepsis alone. Clinically, this includes patients who fulfill the criteria for sepsis who, despite adequate fluid resuscitation, require vasopressors to maintain a mean arterial pressure ≥65 mmHg and have a lactate >2 mmol/L (>18 mg/dL). Feve is a common sign of infection in septic shock critically ill patients. Many critically ill patients experience pain. Paracetamol is considered safe and currently one of the most common antipyretics and used as part of multimodal analgesia for acute pain in the intensive care unit. According to the company's product information leaflet, the rate of hypotension complicating intravenous paracetamol treatment ranges from 0.01 to 0.1%. However, recent studies reported a much higher incidence and may be harmful in critically ill adults. The hemodynamic effects of intravenous (IV) paracetamol are unknown in septic shock patients, that the most vulnerable population and hemodynamically unstable. The aim of this study is to assess the incidence of hypotension of the extended intravenous paracetamol (acetaminophen) infusion over three hours in comparing with intravenous paracetamol bolus over 15 minutes in hemodynamically unstable patients (septic shock).


Clinical Trial Description

Sepsis, inflammatory response to infection, contributes directly or indirectly to mortality in the majority of critically ill patients. An elevated cardiac index and a decreased systemic vascular resistance leading to hypotension and hypoperfusion of vital organs characterize the early stage of septic shock. The hypotensive state is often not amenable to fluid resuscitation alone and requires institution of vasoactive agents to counter the profound fall in systemic vascular resistance, which is an integral feature of septic shock . Acetaminophen is the antipyretic and analgesic that is most often given to hospitalized patients, including those in critical care units. The mechanism of action of acetaminophen remains incompletely understood, but the antipyretic response appears to be due to blocking cyclooxygenase-II and inhibiting prostaglandin-II synthesis in the central nervous system. Intravenous (IV) acetaminophen has gained popularity for inpatient management of acute pain for its practical and clinical advantages. IV administration is associated with more predictable pharmacokinetic performance compared with rectal (30%-40% bioavailability) and oral dosage forms of acetaminophen (60%-70% bioavailability). Predictable kinetics as well as ease of IV administration has made it an especially attractive option in the critically ill patients who have altered gut absorption secondary to numerous pathophysiological and therapeutic influences . IV acetaminophen has shown promise in improving patient satisfaction, managing fever, and decreasing postoperative opioid requirements. These features have made it one of the most widely ordered medications within critical care and surgical services. Product information for IV acetaminophen lists mild effects such as nausea or vomiting among the most common adverse events (incidence ≥ 5%), with the estimated incidence of more serious adverse effects such as hypotension being <1%. However, there have been an increasing number of randomized controlled trials which indicated that the incidence of IV acetaminophen-induced hypotension may be higher than previously reported by manufacturers. These publications have prompted investigators to look more closely at the possible untoward effects of IV acetaminophen across a variety of populations. . None of these studies examined whether the extended infusion of IV paracetamol can minimize the degree of hypotension in critically heamodynamic unstable patients. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06076980
Study type Interventional
Source Al-Azhar University
Contact
Status Completed
Phase Phase 4
Start date November 1, 2020
Completion date January 24, 2023

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