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Evaluating Neostigmine Effect on Reducing Gastric Residual Volume as Compared With Metoclopramide and Ondansetron

Neostigmine Effect on Gastric Residual Volume on Mechanically Ventilated Patients in the Intensive Care Unit. A Comparative Controlled Study by Ondansetron

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05342818
Enrollment
90
Registered
2022-04-25
Start date
2022-04-15
Completion date
2022-10-17
Last updated
2022-10-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Delayed Gastric Emptying

Keywords

gastric residual volume, neostigmine, ondansetron, mechanically ventilated patients

Brief summary

One big problem in mechanically ventilated ICU patients is delayed gastric emptying. Delayed gastric emptying in these patients, causes intolerance and high gastric residual volume (GRV) that can lead to abdominal distention, vomiting, increased aspiration risk and consequently increased the length of hospital stay. In this study, investigators will evaluate Neostigmine's effect in reducing GRV in mechanically ventilated patients and compare its effect with metoclopramide and Ondansetron .

Detailed description

It has been shown that delayed gastric emptying and high GRV in critically ill patients are associated with increased mortality in these patients. Different kinds of drugs including metoclopramide, erythromycin and cisapride are used, but none of them had conclusive evidence of better effects on each other. Moreover, complications such as dysrhythmia and extrapyramidal side effects limit the use of these drugs. Another drug that can be used to increase gastric emptying in critically ill patients is neostigmine. Although several studies have evaluated the efficacy of neostigmine on postoperative ileus, very few studies have evaluated the effect of this drug on GRV in ICU patients. The aim of the current study will be to compare the effects of Neostigmine on gastric residual volume in mechanically ventilated patients in the intensive care unit. A comparative controlled study by Ondansetron.

Interventions

DRUGNeostigmine

will be given by infusion in 20 minutes once daily by a nurse blinded to the study drugs

will be given by infusion in 20 minutes once daily by a nurse blinded to the study drugs

will be given by infusion in 20 minutes once daily by a nurse blinded to the study drugs

OTHEREnteral feeding nutrition

The type and rate of enteral feeding nutrition will be the same for all patients (180ml/3h). All patients have a 30-degree head-up position

OTHERSequential Organ Failure Assessment (SOFA) score

SOFA score will be performed on all patients before the beginning of the study

Sponsors

Tanta University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
25 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Mechanically ventilated ICU patients * With nasogastric tube feeding * Gastric Residual Volume \>120 mL (3hours after the last gavage)

Exclusion criteria

* History of diabetes * Heart block * Bradycardia (heart rate \<60/min) * Systolic blood pressure less than 90 mm Hg * Renal insufficiency * Using any prokinetic agents such as erythromycin or cisapride within 8 hours before study initiation * Recent surgery (10 days or less) on the stomach or digestive system * pregnancy and lactation * Occurrence of extrapyramidal side effects * Gastrointestinal (GI) bleeding

Design outcomes

Primary

MeasureTime frameDescription
Evaluation of Gastric Residual Volume(GRV)12 hoursPatients' GRVs will be evaluated before the intervention, then 3, 6, 9 and 12 hours after the intervention using a gavage syringe by an expert nurse who had been unaware of the study groups
Volume of the gastric antrum4 daysAfter five half-lives of drugs, the volume of the gastric antrum of the patients will be measured by ultrasonography 3 hours after gavage.

Secondary

MeasureTime frameDescription
Blood albumin4 daysblood sampling daily for four days
Complete Blood Count4 daysblood sampling daily for four days

Countries

Saudi Arabia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026