Celebrex for Pain Relief After Oral Surgery

NCT ID: NCT00006299

Last Updated: 2008-03-04

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

1999-12-31

Study Completion Date

2004-02-29

Brief Summary

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This study will evaluate the effects of the new anti-inflammatory drug, Celebrex, on relieving pain after oral surgery. It is also designed to assess the drug's selective inhibition of a chemical called cyclooxygenase-2 and not its closely related form, cyclooxygenase-1. This selective inhibition allows pain alleviation without the adverse side effects (e.g., bleeding and stomach upset) often associated with anti-inflammatory drugs.

Healthy volunteers who require removal of their third molars are eligible for this study. Participants will have oral surgery for tooth extraction after receiving a local anesthetic (lidocaine) in the mouth and a sedative (midazolam) through an arm vein. On the evening before and 1 hour before surgery, patients will be given a dose of either the standard anti-inflammatory drug ibuprofen (Advil, Nuprin, Motrin), or Celebrex, or a placebo (a pill with no active ingredient). After surgery, a small piece of tubing will be placed in each extraction site and tied to an adjacent tooth to hold it in place. Samples will be collected from the tubing to measure chemicals involved in pain and inflammation. Patients will stay in the clinic for up to 6 hours after surgery while the anesthetic wears off and will complete pain questionnaires. During that time, they may receive acetaminophen plus codeine (Tylenol 3), if needed, for pain. The tubing then will be removed and the patient discharged with standard pain medication.

Detailed Description

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Prostanoids are mediators that have been implicated in all stages of inflammation. The inhibition of prostanoid synthesis by NSAIDs forms the basis of their therapeutic as well as side effects. NSAIDs directly inhibit cyclooxygenase \[COX\], which leads to reduction of prostaglandin synthesis and also to gastric erosions, inhibition of platelet aggregation and nephrotoxicity. The identification of the two isoforms of COX lead to the hypothesis that COX-2 is responsible for the production of prostaglandins following tissue injury, while COX-1 is involved in normal homeostasis.

The selective COX-2 inhibitors are believed to be efficacious anti-inflammatory drugs devoid of the side effects associated with the inhibition of COX-1. However, the selectivity of these drugs has only been demonstrated in vitro and ex vivo, which may not be a reliable indicator of the in vivo selectivity. The proposed study aims to evaluate the in vivo selectivity of celecoxib, a drug demonstrated to be a selective inhibitor of COX-2 in vitro in the oral surgery model of acute inflammation.

Conditions

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Facial Pain

Study Design

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Primary Study Purpose

TREATMENT

Interventions

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Celebrex

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Healthy volunteers between the ages of 18-65 years.

Patients will be eligible for this study if the two mandibular molars are classified as partial or full bony impactions.

Exclusion Criteria

Patients who are allergic to sulfa-drugs.

Patients who have had asthma, hives or an allergic reaction to aspirin, ibuprofen or any similar drugs.

Patients with gastrointestinal ulcers or a history of gastrointestinal bleeding.

Patients who are pregnant or nursing.

Patients of infection or inflammation \[pericoronitis\] at either extraction site.

Patients with severe kidney disease.

Patients who are taking any of the following drugs: anti-depressants, diuretics, aspirin on a near daily basis, coumadin or other blood thinners.

Patients who are taking drugs known to inhibit P450 2C9 and drugs metabolized by P450 2D6.
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Institute of Dental and Craniofacial Research (NIDCR)

NIH

Sponsor Role lead

Locations

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National Institute of Dental And Craniofacial Research (NIDCR)

Bethesda, Maryland, United States

Site Status

Countries

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United States

References

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Penning TD, Talley JJ, Bertenshaw SR, Carter JS, Collins PW, Docter S, Graneto MJ, Lee LF, Malecha JW, Miyashiro JM, Rogers RS, Rogier DJ, Yu SS, AndersonGD, Burton EG, Cogburn JN, Gregory SA, Koboldt CM, Perkins WE, Seibert K, Veenhuizen AW, Zhang YY, Isakson PC. Synthesis and biological evaluation of the 1,5-diarylpyrazole class of cyclooxygenase-2 inhibitors: identification of 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benze nesulfonamide (SC-58635, celecoxib). J Med Chem. 1997 Apr 25;40(9):1347-65. doi: 10.1021/jm960803q.

Reference Type BACKGROUND
PMID: 9135032 (View on PubMed)

Simon LS, Lanza FL, Lipsky PE, Hubbard RC, Talwalker S, Schwartz BD, Isakson PC, Geis GS. Preliminary study of the safety and efficacy of SC-58635, a novel cyclooxygenase 2 inhibitor: efficacy and safety in two placebo-controlled trials in osteoarthritis and rheumatoid arthritis, and studies of gastrointestinal and platelet effects. Arthritis Rheum. 1998 Sep;41(9):1591-602. doi: 10.1002/1529-0131(199809)41:93.0.CO;2-J.

Reference Type BACKGROUND
PMID: 9751091 (View on PubMed)

Pairet M, van Ryn J. Experimental models used to investigate the differential inhibition of cyclooxygenase-1 and cyclooxygenase-2 by non-steroidal anti-inflammatory drugs. Inflamm Res. 1998 Oct;47 Suppl 2:S93-101. doi: 10.1007/s000110050289.

Reference Type BACKGROUND
PMID: 9831330 (View on PubMed)

Other Identifiers

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00-D-0027

Identifier Type: -

Identifier Source: secondary_id

000027

Identifier Type: -

Identifier Source: org_study_id

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