Morphine IV vs Paracetamol IV in Neonates and Infants After Cardiac Surgery (PACS)
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About
The goal of this clinical trial is to compare pain management in neonates and infants under 3 years of age undergoing cardiac surgery with use of cardiopulmonary bypass. Patients will be randomized to either continuous morphine IV (standard) of intermittent paracetamol IV (intervention).
The investigators' hypothesis is that intermittent IV paracetamol is effective as the primary analgesic drug in post-cardiac surgery patients up to 3 years of age and that the use of IV paracetamol will reduce overall morphine requirements.
Full description
Congenital heart disease accounts for almost one third of all congenital anomalies. Surgical intervention is necessary in 55% within the first year of life and in 67% during the first three years of life.
Morphine is the drug of first choice worldwide for pain relief after major surgery in neonates and children. However, morphine can cause unwanted hemodynamic and respiratory reactions and therefore patients could potentially benefit from a non-opioid analgesic.
In a recent randomized controlled trial, intravenous (IV) paracetamol was compared with morphine as a primary analgesic drug in non-cardiac post-operative children up to 1 year. IV paracetamol was equally effective in pain relief, and no difference in rescue analgesics was shown between groups. The IV paracetamol group had a lower cumulative morphine dose the first 48 h after surgery and less adverse drug reactions.
Whether these results also apply to neonates and children after cardiac surgery is unclear. Pharmacokinetic (PK) parameters are assumed to be different in patients during and after cardiac surgery compared with non-cardiac surgery due to use of the cardiopulmonary bypass (CPB).
Hypothesis The investigators' hypothesis is that intermittent IV paracetamol is effective as the primary analgesic drug in post-cardiac surgery patients up to 3 years of age and that the use of IV paracetamol will reduce overall morphine requirements.
This hypothesis is currently being tested at three level-4 PICUs in the Netherlands and Belgium (Erasmus MC-Sophia Rotterdam, Wilhelmina Children's Hospital University Medical Center (UMC) Utrecht, Beatrix Children's Hospital UMC Groningen, University Hospital (UZ) Leuven).
All participants will receive a loading dose of morphine after cardiac surgery. After this, participants will be randomized to either standard care (morphine continuous IV) or intervention group (intermittent paracetamol IV).
Validated pain and sedations assessment tools will be used to adjust pain treatment if necessary. Rescue morphine as available for both groups.
A double blind study design is used, with a dummy saline continuous infusion in the paracetamol group and a dummy saline intermittent infusion in de continuous morphine group.
Study medication is stopped 48 hours after surgery and patients are transferred to open label morphine and paracetamol when applicable.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
- Informed consent
- Neonates/infants who are 0-36 months old
- Cardiac surgery with the use of CPB.
Exclusion criteria
- No informed consent
- Known allergy to or intolerance of paracetamol or morphine
- Administration of opioids in the 24 h prior to surgery
- Hepatic dysfunction defined as three times the reference value of alanine aminotransferase/aspartate aminotransferase (ALAT/ASAT)
- Renal insufficiency at least RIFLE category Risk prior to surgery.
Trial design
Primary purpose
Allocation
Interventional model
Masking
208 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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