Study of Long-Acting Acetaminophen in Postoperative Dental Pain
A Single-Center, Randomized, Double-Blind, Placebo-Controlled, Single-Dose, Efficacy, Safety, and Pharmacokinetics Study of Extended-Release (ER) Acetaminophen in Postoperative Dental Pain
1 other identifier
interventional
403
1 country
1
Brief Summary
The purpose of the study is to evaluate the efficacy and safety of acetaminophen ER 1500 mg (two 750 mg tablets) over 10 to 12 hours in the dental pain model following third molar extraction(s) and to evaluate the pharmacokinetics of acetaminophen ER 1500 mg (two 750 mg tablets) in a sub-group of subjects.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Oct 2013
Shorter than P25 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2013
CompletedFirst Submitted
Initial submission to the registry
October 8, 2013
CompletedFirst Posted
Study publicly available on registry
October 10, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2014
CompletedResults Posted
Study results publicly available
June 10, 2015
CompletedJuly 10, 2015
June 1, 2015
6 months
October 8, 2013
May 28, 2015
June 11, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Time Weighted Sum of Pain Intensity Difference (PID) Over 10 Hours (SPID 0-10)
Time weighted sum of pain intensity difference scores from baseline over 10 hours. Pain intensity was evaluated using a 0-10 numerical rating scale (NRS) where 0 = no pain and 10 = very severe pain. SPID 0-10 = 0.25 x (PID at 15 min + PID at 30 min + PID at 45 min + PID at 60 min + PID at 75 min + PID at 90 min) + 0.5 x (PID at 120 min) + PID at 3 h + PID at 4 h + PID at 5 h + PID at 6 h + PID at 7 h + PID at 8 h + PID at 9 h + PID at 10 h.
10 Hours
Secondary Outcomes (4)
Time to Confirmed First Perceptible Pain Relief
Within 12 Hours
Time to Meaningful Pain Relief
Within 12 Hours
Duration of Pain Relief
Within 12 Hours
Patient Global Evaluation
12 Hours
Study Arms (2)
Acetaminophen ER
EXPERIMENTALPlacebo
PLACEBO COMPARATORSingle dose (2 tablets) Acetaminophen ER 750 mg matching placebo
Interventions
Eligibility Criteria
You may qualify if:
- Must be at least 17 and less than 46 years of age
- Must weigh at least 100 lbs with a body mass index of at least 18 and less than 30
- Scheduled to undergo surgical extraction of one impacted third molar from the lower jaw. The third molar from the upper jaw from the same side may also be removed.
- Experiencing moderate to severe pain after extraction of third molars.
You may not qualify if:
- Cannot be allergic to acetaminophen (Tylenol) or any non-steroidal anti-inflammatory drugs (e.g., Motrin, Advil, Aleve, Naproxen).
- Cannot be pregnant (or planning to be pregnant) or nursing a baby
- Unable to swallow whole large tablets or caplets.
- Cannot have any other medical conditions that the investigator feels may compromise your safety or the study results.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Jean Brown Research
Salt Lake City, Utah, 84124, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Rajesh Mishra, MD, PhD/Vice President, Medical/Clinical Affairs, Global OTC
- Organization
- McNeil Consumer Healthcare
Study Officials
- STUDY DIRECTOR
McNeil Study Director
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- LTE60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 8, 2013
First Posted
October 10, 2013
Study Start
October 1, 2013
Primary Completion
April 1, 2014
Study Completion
April 1, 2014
Last Updated
July 10, 2015
Results First Posted
June 10, 2015
Record last verified: 2015-06