Trial Outcomes & Findings for Is Non-Cardiac Chest Pain Caused by Sustained Longitudinal Smooth Muscle Contraction? (NCT NCT01839058)

NCT ID: NCT01839058

Last Updated: 2018-11-26

Results Overview

Mean length of esophagus with acid infusion minus mean length of esophagus with saline infusion

Recruitment status

COMPLETED

Target enrollment

40 participants

Primary outcome timeframe

Length at T= 20 minutes - Baseline (T=0)

Results posted on

2018-11-26

Participant Flow

Participant milestones

Participant milestones
Measure
Non Cardiac Chest Pain Patients
Patients with Chest Pain where Coronary Artery Disease has been formally ruled out are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Healthy Controls
Healthy volunteers without esophageal symptoms are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Overall Study
STARTED
21
19
Overall Study
COMPLETED
17
16
Overall Study
NOT COMPLETED
4
3

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Is Non-Cardiac Chest Pain Caused by Sustained Longitudinal Smooth Muscle Contraction?

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Non Cardiac Chest Pain Patients
n=17 Participants
Patients with Chest Pain where Coronary Artery Disease has been formally ruled out are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Healthy Controls
n=16 Participants
Healthy volunteers without esophageal symptoms are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Total
n=33 Participants
Total of all reporting groups
Age, Continuous
52.4 years
STANDARD_DEVIATION 10.1 • n=5 Participants
49.4 years
STANDARD_DEVIATION 18.3 • n=7 Participants
50.9 years
STANDARD_DEVIATION 14.5 • n=5 Participants
Sex: Female, Male
Female
10 Participants
n=5 Participants
7 Participants
n=7 Participants
17 Participants
n=5 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
9 Participants
n=7 Participants
16 Participants
n=5 Participants
Region of Enrollment
Canada
17 Participants
n=5 Participants
16 Participants
n=7 Participants
33 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Length at T= 20 minutes - Baseline (T=0)

Mean length of esophagus with acid infusion minus mean length of esophagus with saline infusion

Outcome measures

Outcome measures
Measure
Non Cardiac Chest Pain Patients
n=17 Participants
Patients with Chest Pain where Coronary Artery Disease has been formally ruled out are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Healthy Controls
n=16 Participants
Healthy volunteers without esophageal symptoms are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Mean Change in Esophageal Length With Acid
-0.40 centimeters
Standard Deviation 0.54
-0.39 centimeters
Standard Deviation 0.55

SECONDARY outcome

Timeframe: 20 minutes

Population: As pre-specified in the protocol, this Outcome Measure was intended to be analyzed only if a correlation was found between esophageal shortening and symptom production. Thus data was not collected.

Length of Esophagus as measured by manometry during acid infusion when patient reports symptoms

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 20 minutes

Population: Data Not collected given lack of correlation between symptoms and esophageal length.

Mean length of esophagus at peak patient reported symptom intensity with acid infusion

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 20 minutes

Esophageal shortening will be defined as the point during the 20 minute acid infusion at which the lower esophageal sphincter begins to migrate proximally. A 2 minute window following this time point will then be used to determine if patients symptoms increased by \> 2 on a visual analogue pain scale between 0 - 10.

Outcome measures

Outcome measures
Measure
Non Cardiac Chest Pain Patients
n=17 Participants
Patients with Chest Pain where Coronary Artery Disease has been formally ruled out are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Healthy Controls
n=16 Participants
Healthy volunteers without esophageal symptoms are to undergo esophageal manometry testing. Esophageal Manometry: Both cohorts will undergo standard high resolution esophageal manometry testing. This entails a catheter passed through the nose into the esophagus and measures pressure changes with a series of wet swallows. As part of the study, we will also be instilling both weak acid and saline into the esophagus.
Number of Participants for Whom a Correlation Was Found Between Symptom Onset and Esophageal Shortening
0 Participants
0 Participants

Adverse Events

Non Cardiac Chest Pain Patients

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

Healthy Controls

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Keith McIntosh

Western University

Phone: 519-646-6100

Results disclosure agreements

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