Dopexamine & Norepinephrine Compared With Epinephrine Alone in Septic

Status Completed

Clinical Trial Summary

In septic shock, when volume resuscitation fails to restore mean arterial pressure, catecholamines such as dopamine, dobutamine, epinephrine, or norepinephrine are used, either alone or in combination. Although they allow hemodynamic success to be obtained, they can leave some regional blood flows impaired, especially the hepatosplanchnic perfusion, which contributes to multiple organ failure.

Dopexamine is a structural and synthetic analog of dopamine that exerts systemic and gut vasodilation and stimulates cardiac contraction. In experimental models, dopexamine has been shown to exert anti-inflammatory properties and to protect the hepatic ultra structure. The combination of dopexamine and norepinephrine could therefore constitute an interesting alternative in treating septic shock patients. This study will test the efficacy (on gastric mucosal blood flow, hepatic damage and oxidative stress) and safety of the combination of dopexamine and norepinephrine (compared to those of epinephrine alone) in the treatment of patients with septic shock.

Clinical Trial Description

Objective: To compare the combination of dopexamine and norepinephrine with epinephrine alone on gastric mucosal blood flow (GMBF), hepatic damage and oxidative stress in septic shock.

Setting: Surgical intensive care unit in a university hospital.

Design: Prospective, randomized, controlled study on 2 parallel groups.

Patients: Adults fulfilling usual criteria for septic shock.

Interventions: Systemic hemodynamics, GMBF (laser-Doppler), plasma α-glutathione S-transferase, aspartate aminotransferase, alanine aminotransferase and malondialdehyde were assessed just before catecholamine infusion (T0), as soon as mean arterial pressure (MAP) reached 70-80 mmHg (T1), and 2 (T2) and 6 (T3) hours after T1. Drugs were titrated from 0.2 µg/kg/min with 0.2 µg/kg/min increments every 3 min for epinephrine and norepinephrine, and from 0.5 µg/kg/min with 0.5 µg/kg/min increments every 3 min for dopexamine. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00134212
Study type	Interventional
Source	Rennes University Hospital
Contact
Status	Completed
Phase	Phase 2
Start date	March 2002
Completion date	June 2004

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Dopexamine and Norepinephrine Compared With Epinephrine Alone in Septic Shock

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms