CClinicalTrials.gg
CompletedNCT00964431Updated May 22, 2012Results posted

Phase 2 Study of Indomethacin Capsules to Treat Dental Pain

A Phase 2 interventional study of Celecoxib 400 mg and Placebo in Dental Pain, sponsored by Iroko Pharmaceuticals, LLC. Completed at 1 site in United States. Open to participants aged 18 Years to 50 Years. Per ClinicalTrials.gov, last updated 2012-05-22.

Sponsored by Iroko Pharmaceuticals, LLC · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
203
Allocation
Randomized
Ages
18 Years to 50 Years
Sex
All
01

Study summary

The purpose of this study is to determine whether Indomethacin Test Formulation Capsules are safe and effective for the treatment of dental pain.

02

Conditions studied

  • Dental Pain

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03

In context

Toothache

140 studies on the registry are indexed under Toothache; 24 are open to participants now.

This study's enrollment of 203 is above the median of 100 across 121 interventional studies indexed under Toothache.

Browse Toothache studies →

Lead sponsor

Iroko Pharmaceuticals, LLC is the lead sponsor of 13 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Patient is male or female between 18 and 50 years of age
  • For women of child-bearing potential: a woman who is not pregnant and not nursing, and who is practicing an acceptable method of birth control
  • Patient requires extraction of 2 or more third molars
  • Patient must be willing to stay at the study site for at least 8 hours after dosing of the study drug

Exclusion criteria

Exclusion Criteria:

  • Patient has hypersensitivity, allergy, or clinically significant intolerance to any medications to be used in the study, or related drugs
  • Patient has a current disease or history of a disease that will impact the study or the patient's well-being
  • Patient has used or intends to use any of the medications that are prohibited by the protocol
  • Patient has a history of drug or alcohol abuse or dependence, or patient has a positive urine drug screen or alcohol breathalyzer test
  • Patient has taken another investigational drug within 30 days prior to Screening
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
203 participants (actual)

Study arms

  • Experimental
    Indomethacin Test (lower dose)

    Drug: Indomethacin Test (lower dose)

  • Experimental
    Indomethacin Test (upper dose)

    Single dose

    Drug: Indomethacin Test (upper dose)

  • Active comparator
    Celecoxib 400 mg

    Drug: Celecoxib 400 mg

  • Placebo comparator
    Placebo

    Drug: Placebo

Interventions

  • DrugCelecoxib 400 mg

    Capsules 2 x 200 mg Single-Dose

  • DrugPlacebo

    Capsules 2 Single-Dose

  • DrugIndomethacin Test (lower dose)

    20-mg single dose

  • DrugIndomethacin Test (upper dose)

    40-mg single dose

06

What researchers measure

Primary outcomes

  1. Total Patient Pain Relief Over 0 to 8 Hours.

    Total patient pain relief was assessed as a time-weighted sum of the patient pain assessments at each individual time point from 0-8 hours. Values for TOTPAR are measured from 0 to 4 on the Pain Relief Scale 0 None Min; 1 A little; 2 Some; 3 A lot; 4 Complete Max The TOTPAR is a weighted measure of the observations; the minimum possible value is 0 and the maximum possible value is 32.

    Time frame: 8 hours

07

Results

Posted Mar 30, 2012

Participant flow

Participant flow — Overall Study
MilestoneIndomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlacebo
Started50515151
Completed50515151
Not completed0000

Outcome measures

PrimaryTotal Patient Pain Relief Over 0 to 8 Hours.

Total patient pain relief was assessed as a time-weighted sum of the patient pain assessments at each individual time point from 0-8 hours. Values for TOTPAR are measured from 0 to 4 on the Pain Relief Scale 0 None Min; 1 A little; 2 Some; 3 A lot; 4 Complete Max The TOTPAR is a weighted measure of the observations; the minimum possible value is 0 and the maximum possible value is 32.

Time frame:
8 hours
Reported as:
Least squares mean · units on a scale
Total Patient Pain Relief Over 0 to 8 Hours.
units on a scaleIndomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlacebo
Total Patient Pain Relief Over 0 to 8 Hours.10.794 (8.131 to 13.456)12.564 (9.928 to 15.200)14.822 (12.185 to 17.460)3.019 (0.381 to 5.656)
Statistical analysis
  • Indomethacin Test (Upper Dose) vs Placebo · ANCOVA · p = <0.001 · Mean difference (net): 9.545 · 95% CI 5.816 to 13.275

Adverse events

Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Indomethacin Test (Lower Dose)—0/50 (0%)19/50 (38%)
Indomethacin Test (Upper Dose)—0/51 (0%)26/51 (51%)
Celecoxib 400 mg—0/51 (0%)19/51 (37.3%)
Placebo—0/51 (0%)29/51 (56.9%)
Most frequent other events
Most frequent other events
EventIndomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlacebo
NauseaNervous system disorders8/506/515/5112/51
HeadacheNervous system disorders3/504/514/518/51
Alveolar osteitisGastrointestinal disorders2/505/515/514/51
Post procedural swellingInjury, poisoning and procedural complications3/505/513/514/51
VomitingGastrointestinal disorders2/505/512/512/51
DizzinessNervous system disorders0/502/510/514/51
Oropharyngeal painRespiratory, thoracic and mediastinal disorders1/504/513/511/51

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Indomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlaceboTotal
<=18 years00000
Between 18 and 65 years50515151203
>=65 years00000
Age Continuous
Age Continuous(years)Indomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlaceboTotal
Mean22.0 ± 3.3222.2 ± 3.8122.1 ± 3.4622.1 ± 2.9722.1 ± 3.38
Sex: Female, Male
Sex: Female, Male(Participants)Indomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlaceboTotal
Female32313435132
Male1820171671
Region of Enrollment
Region of Enrollment(participants)Indomethacin Test (Lower Dose)Indomethacin Test (Upper Dose)Celecoxib 400 mgPlaceboTotal
United States50515151203
08

Study locations

1 site
  • Premier Research Group Limited
    Austin, Texas 78705, United States
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 22, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00964431
Lead sponsor
Iroko Pharmaceuticals, LLC
Responsible party
Sponsor
First posted
Aug 25, 2009
Start date
Aug 2009
Primary completion
Dec 2009
Completion
Dec 2009
Results posted
Mar 30, 2012
Last update
May 22, 2012

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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