Effect of Naloxegol on Postoperative Ileus in Patients Undergoing Cardiac Surgery

  • STATUS
    Recruiting
  • End date
    Nov 14, 2022
  • participants needed
    300
  • sponsor
    CMC Ambroise Paré
Updated on 26 January 2021

Summary

Postoperative ileus, defined as the transient postoperative functional inhibition of propulsive bowel activity, commonly occurs in patients after cardiac surgery and contributes to postoperative morbidity.

Naloxegol is a peripheral opioid receptor antagonist. Recent studies showed that naloxegol is effective in the treatment of chronic opioid-induced constipation but there is no data on its use in the management of postoperative ileus after cardiac surgery.

The main objective of this prospective, double-blind, randomized, placebo-controlled trial is to assess the effectiveness of the perioperative use of naloxegol in reducing the duration of the postoperative ileus in patients undergoing cardiac surgery.

Description

Digestive complications following cardiac surgery, such as paralytic ileus and Ogilvie syndrome, are frequent and worsen the prognosis of patients. They pose a real problem of care in intensive care, inducing morbidity and mortality, extended hospital stay and a significant post-operative cost.

Few treatments are effective to reduce transit recovery time, except the neostigmine which has a serious side effects including cardiac ones.

During cardiac surgery, opioid treatments are frequently used to relieve the pain like sternotomy pain.

The pharmacologic effect of opioid induces the postoperative uleus. Opioid receptors are distributed in the central nervous system, where they are involved in the perception of pain, and in the peripheral nervous system, especially in the mesenteric nervous system, where they regulate intestinal peristalsis.

Morphine receptors antagonist are a target for prevention and treatment of post operative ileus syndrome such as alvimopan and naloxone.

A therapeutic trial demonstrates a decrease in the rate of pneumonia in intensive care patient mechanically ventilated who received naloxone.

Naloxegol is a peripheral antagonist of opioid receptor, from the alvimopan family. It has been designed to antagonize the peripheral, but not central, effects of opioids at therapeutic doses. Naloxegol is a substrate for cytochrome P450 (CYP 3A4). Following oral administration, naloxegol is absorbed rapidly, with peak concentrations achieved at less than 2 hours.

After once daily administration, plasma concentration equilibrium is reached within 2-3 days with minimal accumulation.

The main route of elimination for naloxegol is hepatic. Naloxegol has been shown to be effective in randomized trials of chronic opioid induced constipation, but there is no data on its use in the postoperative ileus.

Research hypothesis: the addition of naloxegol in pre and postoperative cardiac surgery could reduce the time to transit recovery and the rate of digestive and respiratory complications.

Details
Condition Postoperative Ileus
Treatment Naloxegol, inert tablet
Clinical Study IdentifierNCT04433390
SponsorCMC Ambroise Paré
Last Modified on26 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Gender: Male or Female
Do you have Postoperative Ileus?
Do you have any of these conditions: Do you have Postoperative Ileus??
> 18 years old
Undergoing cardiac surgery with cardiopulmonary bypass
For women of child bearing potential without contraception, beta-HCG negative result
Having signed a written informed consent form
Affiliation to the social security system

Exclusion Criteria

Allergy or known hypersensitivity to Naloxegol or any of the excipients or any other opioid antagonist
Pregnant or breastfeeding women
Severe hepatic failure, history of cirrhosis
Moderate or severe renal failure (GFR<60ml/min)
Concomitant treatment with a strong cytochrome P450 3A4 inhibitor
History of acute gastro-intestinal obstruction known or suspected
History of digestive arteritis
Clinically relevant alteration of the blood-brain-barrier
Cancer with increased risk of gastro-duodenal perforation
Disorder that could alter the integrity of the gastrointestinal lining
Regular treatment with laxative drugs
Concomitant treatment with methadone
Patient unable to take a drug by oral route
Patient under protection of the adults (guardianship, curators or safeguard of justice)
Patient included or planning to be included in another research protocol relating to medications
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