Trial Outcomes & Findings for Methylnaltrexone vs Naloxegol in the Treatment of Opioid-Induced Constipation (NCT NCT03523520)

NCT ID: NCT03523520

Last Updated: 2024-09-19

Results Overview

The primary outcome of this study is to determine the effectiveness of peripherally acting mu-opioid receptor antagonist therapy for patients presenting to the emergency department (ED) with opioid-induced constipation.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

15 participants

Primary outcome timeframe

24 hours

Results posted on

2024-09-19

Participant Flow

Participant milestones

Participant milestones
Measure
Methylnaltrexone Oral Tablets
Methylnaltrexone oral tablets (total 450 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 150 mg Oral Tablet: Methylnaltrexone Bromide 150 mg Oral Tablet
Methylnaltrexone Subcutaneous Injection
Methylnaltrexone 12mg subcutaneous injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution \[RELISTOR\]\_#1: Methylnaltrexone Bromide 12 MG Subcutaneous Solution
Naloxegol Oral Tablets
Naloxegol oral tablets (total 25 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Naloxegol 25 MG Oral Tablet: Naloxegol 25 MG Oral Tablet
Overall Study
STARTED
4
3
5
Overall Study
COMPLETED
4
3
5
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Methylnaltrexone Oral Tablets
n=4 Participants
Methylnaltrexone oral tablets (total 450 mg) + subcutaneous water injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 150 mg Oral Tablet: Methylnaltrexone Bromide 150 mg Oral Tablet
Methylnaltrexone Subcutaneous Injection
n=3 Participants
Methylnaltrexone 12mg subcutaneous injection + sugar placebo tablet Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution \[RELISTOR\]\_#1: Methylnaltrexone Bromide 12 MG Subcutaneous Solution
Naloxegol Oral Tablets
n=5 Participants
Naloxegol oral tablets (total 25 mg) + subcutaneous water injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Naloxegol 25 MG Oral Tablet: Naloxegol 25 MG Oral Tablet
Total
n=12 Participants
Total of all reporting groups
Age, Continuous
53.3 years
STANDARD_DEVIATION 28.3 • n=4 Participants
55.3 years
STANDARD_DEVIATION 16.5 • n=3 Participants
62.8 years
STANDARD_DEVIATION 18.8 • n=5 Participants
57.8 years
STANDARD_DEVIATION 20.4 • n=12 Participants
Sex: Female, Male
Female
0 Participants
n=4 Participants
2 Participants
n=3 Participants
1 Participants
n=5 Participants
3 Participants
n=12 Participants
Sex: Female, Male
Male
4 Participants
n=4 Participants
1 Participants
n=3 Participants
4 Participants
n=5 Participants
9 Participants
n=12 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race (NIH/OMB)
Asian
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race (NIH/OMB)
White
4 Participants
n=4 Participants
3 Participants
n=3 Participants
5 Participants
n=5 Participants
12 Participants
n=12 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=4 Participants
0 Participants
n=3 Participants
0 Participants
n=5 Participants
0 Participants
n=12 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
4 participants
n=4 Participants
3 participants
n=3 Participants
5 participants
n=5 Participants
12 participants
n=12 Participants

PRIMARY outcome

Timeframe: 24 hours

Population: The number of participants who had a successful bowl movement within 24 hours of administration of study drug

The primary outcome of this study is to determine the effectiveness of peripherally acting mu-opioid receptor antagonist therapy for patients presenting to the emergency department (ED) with opioid-induced constipation.

Outcome measures

Outcome measures
Measure
Methylnaltrexone Oral Tablets
n=4 Participants
Methylnaltrexone oral tablets (total 450 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 150 mg Oral Tablet: Methylnaltrexone Bromide 150 mg Oral Tablet
Methylnaltrexone Subcutaneous Injection
n=3 Participants
Methylnaltrexone 12mg subcutaneous injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution \[RELISTOR\]\_#1: Methylnaltrexone Bromide 12 MG Subcutaneous Solution
Naloxegol Oral Tablets
n=5 Participants
Naloxegol oral tablets (total 25 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Naloxegol 25 MG Oral Tablet: Naloxegol 25 MG Oral Tablet
Occurrence of Bowl Movement
2 Participants
2 Participants
5 Participants

SECONDARY outcome

Timeframe: 24 hours after administration of study drug

The secondary outcome of this study is the time to effectiveness of subcutaneous versus oral therapy.

Outcome measures

Outcome measures
Measure
Methylnaltrexone Oral Tablets
n=4 Participants
Methylnaltrexone oral tablets (total 450 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 150 mg Oral Tablet: Methylnaltrexone Bromide 150 mg Oral Tablet
Methylnaltrexone Subcutaneous Injection
n=3 Participants
Methylnaltrexone 12mg subcutaneous injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution \[RELISTOR\]\_#1: Methylnaltrexone Bromide 12 MG Subcutaneous Solution
Naloxegol Oral Tablets
n=5 Participants
Naloxegol oral tablets (total 25 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Naloxegol 25 MG Oral Tablet: Naloxegol 25 MG Oral Tablet
Time to Bowl Movement Within 24 Hours
292.5 minutes
Standard Deviation 385.4
256.5 minutes
Standard Deviation 21.9
270.2 minutes
Standard Deviation 187.5

Adverse Events

Methylnaltrexone Oral Tablets

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Methylnaltrexone Subcutaneous Injection

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Naloxegol Oral Tablets

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Methylnaltrexone Oral Tablets
n=4 participants at risk
Methylnaltrexone oral tablets (total 450 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 150 mg Oral Tablet: Methylnaltrexone Bromide 150 mg Oral Tablet
Methylnaltrexone Subcutaneous Injection
n=3 participants at risk
Methylnaltrexone 12mg subcutaneous injection Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution \[RELISTOR\]\_#1: Methylnaltrexone Bromide 12 MG Subcutaneous Solution
Naloxegol Oral Tablets
n=5 participants at risk
Naloxegol oral tablets (total 25 mg) Eligible patients with complaint of opioid-induced constipation will receive this treatment after study enrollment. Time to bowel movement will be recorded until 3 hours in the emergency department, and patient will be contacted after 24 hours if bowel movement was not achieved after the 3 hours. Naloxegol 25 MG Oral Tablet: Naloxegol 25 MG Oral Tablet
Social circumstances
Anxiety
0.00%
0/4 • 24 hours
33.3%
1/3 • Number of events 1 • 24 hours
0.00%
0/5 • 24 hours
Gastrointestinal disorders
Nausea
0.00%
0/4 • 24 hours
66.7%
2/3 • Number of events 2 • 24 hours
20.0%
1/5 • Number of events 1 • 24 hours
Gastrointestinal disorders
Abdominal Pain
25.0%
1/4 • Number of events 1 • 24 hours
0.00%
0/3 • 24 hours
20.0%
1/5 • Number of events 1 • 24 hours

Additional Information

Dr. Kara B. Goddard

University of Missouri Health Care

Phone: 5738841605

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place