Trial Outcomes & Findings for Acute Effects of Alcohol Use on Chronic Orofacial Pain (NCT NCT04019093)

NCT ID: NCT04019093

Last Updated: 2023-07-27

Results Overview

Pressure at which stimulation at the masseter insertion becomes painful, in lbf. Positive values represent higher pain thresholds.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

48 participants

Primary outcome timeframe

Day 1; Day 2 (Laboratory sessions will be separated by at least 48 hours.)

Results posted on

2023-07-27

Participant Flow

Participant milestones

Participant milestones
Measure
Jaw Pain Patients: Ethanol First, Then Placebo
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD), randomized to receive ethanol first, followed by placebo. The first laboratory session lasted 4-8 hours, followed by a minimum 48 hour gap, and the second laboratory session lasted 4-8 hours. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Ethanol First, Then Placebo
Healthy social drinkers without jaw pain recruited as a comparison group who received ethanol first, randomized to receive ethanol first, followed by placebo. The first laboratory session lasted 4-8 hours, followed by a minimum 48 hour gap, and the second laboratory session lasted 4-8 hours. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Placebo First, Then Ethanol
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD), randomized to receive placebo first, followed by ethanol. The first laboratory session lasted 4-8 hours, followed by a minimum 48 hour gap, and the second laboratory session lasted 4-8 hours. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Placebo First, Then Ethanol
Healthy social drinkers without jaw pain recruited as a comparison group who received ethanol first, randomized to receive placebo first, followed by ethanol. The first laboratory session lasted 4-8 hours, followed by a minimum 48 hour gap, and the second laboratory session lasted 4-8 hours. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Overall Study
STARTED
9
16
10
13
Overall Study
COMPLETED
9
16
10
13
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Acute Effects of Alcohol Use on Chronic Orofacial Pain

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Jaw Pain Patients
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls
n=29 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Total
n=48 Participants
Total of all reporting groups
Age, Continuous
26.74 years
STANDARD_DEVIATION 5 • n=5 Participants
25.72 years
STANDARD_DEVIATION 4.12 • n=7 Participants
26.13 years
STANDARD_DEVIATION 4.47 • n=5 Participants
Sex: Female, Male
Female
17 Participants
n=5 Participants
19 Participants
n=7 Participants
36 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
10 Participants
n=7 Participants
12 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
n=5 Participants
9 Participants
n=7 Participants
13 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
15 Participants
n=5 Participants
20 Participants
n=7 Participants
35 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
4 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
White
12 Participants
n=5 Participants
17 Participants
n=7 Participants
29 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
5 Participants
n=5 Participants
5 Participants
n=7 Participants
10 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
19 participants
n=5 Participants
29 participants
n=7 Participants
48 participants
n=5 Participants
Alcohol Use Disorders Identification Test (total score)
4.37 units on a scale
STANDARD_DEVIATION 1.77 • n=5 Participants
4.31 units on a scale
STANDARD_DEVIATION 1.67 • n=7 Participants
4.33 units on a scale
STANDARD_DEVIATION 1.69 • n=5 Participants
Quantity-Frequency Index
.426 oz. absolute ethanol consumed per day
STANDARD_DEVIATION .35 • n=5 Participants
.551 oz. absolute ethanol consumed per day
STANDARD_DEVIATION .39 • n=7 Participants
.48 oz. absolute ethanol consumed per day
STANDARD_DEVIATION .36 • n=5 Participants
Max Quantity (oz. abs. EtOH)
4.29 oz. absolute ethanol
STANDARD_DEVIATION 2.01 • n=5 Participants
3.74 oz. absolute ethanol
STANDARD_DEVIATION 1.41 • n=7 Participants
3.96 oz. absolute ethanol
STANDARD_DEVIATION 1.67 • n=5 Participants
Oral Health Impact Profile - TMDs (total score)
31.79 units on a scale
STANDARD_DEVIATION 14.74 • n=5 Participants
10.14 units on a scale
STANDARD_DEVIATION 11.26 • n=7 Participants
18.71 units on a scale
STANDARD_DEVIATION 16.53 • n=5 Participants

PRIMARY outcome

Timeframe: Day 1; Day 2 (Laboratory sessions will be separated by at least 48 hours.)

Pressure at which stimulation at the masseter insertion becomes painful, in lbf. Positive values represent higher pain thresholds.

Outcome measures

Outcome measures
Measure
Jaw Pain Patients: Ethanol
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL.
Healthy Controls: Ethanol
n=29 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Placebo
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Placebo
n=29 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Ethanol, 5lbf
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 5lbf
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 5lbf
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 5lbf
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Ethanol, 6lbf
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 6lbf
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 6lbf
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 6lbf
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Pressure Pain Threshold
4.56 lbf
Standard Deviation 1.08
5.27 lbf
Standard Deviation 1.37
3.81 lbf
Standard Deviation 0.84
4.51 lbf
Standard Deviation 1.21

PRIMARY outcome

Timeframe: Day 1; Day 2 (Laboratory sessions will be separated by at least 48 hours.)

Population: Participant ratings from stimuli that were not within 0.5 lbf of the target pressure were excluded from analyses. This resulted in exclusion of 3 participants' data from this analysis.

Pain ratings associated with 4, 5, or 6 pound-feet (lbf) of pressure applied to the insertion of the masseter. VAS (visual analogue scale) pain intensity ratings anchored from 0 ("no pain at all") to 100 ("most intense imaginable") were collected. Higher values represent higher pain intensity.

Outcome measures

Outcome measures
Measure
Jaw Pain Patients: Ethanol
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL.
Healthy Controls: Ethanol
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Placebo
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Placebo
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Ethanol, 5lbf
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 5lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 5lbf
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 5lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Ethanol, 6lbf
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 6lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 6lbf
n=17 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 6lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Pressure Pain Intensity
23.96 VAS units
Standard Deviation 28.03
12.76 VAS units
Standard Deviation 13.44
32.39 VAS units
Standard Deviation 19.95
22.05 VAS units
Standard Deviation 17.72
35.43 VAS units
Standard Deviation 19.67
20.92 VAS units
Standard Deviation 17.02
41.81 VAS units
Standard Deviation 20.28
29.98 VAS units
Standard Deviation 23.89
37.19 VAS units
Standard Deviation 23.90
26.95 VAS units
Standard Deviation 23.06
46.10 VAS units
Standard Deviation 22.97
34.03 VAS units
Standard Deviation 22.94

PRIMARY outcome

Timeframe: Day 1; Day 2 (Laboratory sessions will be separated by at least 48 hours.)

Population: One participant had missing data on this measure, resulting from exclusion from analyses.

Ratings of relief from pain associated with consumption of the study beverage following application of 4, 5, or 6 lbf stimuli. VAS (visual analogue scale) assessing perceived relief anchored from 0 ("No relief at all") to 100 ("Most profound relief imaginable"). Higher values represent greater perceived relief.

Outcome measures

Outcome measures
Measure
Jaw Pain Patients: Ethanol
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL.
Healthy Controls: Ethanol
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Placebo
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Placebo
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Ethanol, 5lbf
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 5lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 5lbf
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 5lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 5lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Ethanol, 6lbf
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Ethanol, 6lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Jaw Pain Patients: Placebo, 6lbf
n=19 Participants
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Healthy Controls: Placebo, 6lbf
n=28 Participants
Healthy social drinkers without jaw pain recruited as a comparison group. Placebo: A beverage that does not meaningfully increase breath alcohol concentration. 6lbf: Pressure applied to masseter insertion
Perceived Relief
40.58 VAS units
Standard Deviation 31.31
39.79 VAS units
Standard Deviation 30.58
7.91 VAS units
Standard Deviation 13.71
5.51 VAS units
Standard Deviation 11.36
41.00 VAS units
Standard Deviation 28.27
42.75 VAS units
Standard Deviation 30.14
7.20 VAS units
Standard Deviation 13.01
5.57 VAS units
Standard Deviation 11.13
39.72 VAS units
Standard Deviation 30.05
43.65 VAS units
Standard Deviation 29.61
7.20 VAS units
Standard Deviation 13.41
5.89 VAS units
Standard Deviation 13.11

Adverse Events

Jaw Pain Patients: Ethanol

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

Healthy Controls: Ethanol

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

Jaw Pain Patients: Placebo

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

Healthy Controls: Placebo

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Jaw Pain Patients: Ethanol
n=19 participants at risk
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Ethanol
n=29 participants at risk
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Jaw Pain Patients: Placebo
n=19 participants at risk
Individuals seeking care for jaw pain, including temporomandibular joint and muscle disorder (TMD). Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Healthy Controls: Placebo
n=29 participants at risk
Healthy social drinkers without jaw pain recruited as a comparison group. Ethanol: A beverage containing dose of ethanol individually determined to raise a participant's breath alcohol concentration up to approximately 0.08 g/dL. Placebo: A beverage that does not meaningfully increase breath alcohol concentration.
Gastrointestinal disorders
Nausea and vomiting
0.00%
0/19 • Duration of study participation (4-8 hours per study session, with at least 48 hours separating each session)
3.4%
1/29 • Number of events 1 • Duration of study participation (4-8 hours per study session, with at least 48 hours separating each session)
0.00%
0/19 • Duration of study participation (4-8 hours per study session, with at least 48 hours separating each session)
0.00%
0/29 • Duration of study participation (4-8 hours per study session, with at least 48 hours separating each session)

Additional Information

Jeff Boissoneault, PhD

University of Florida

Phone: 352-273-6147

Results disclosure agreements

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