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Effect of Preoperative Diclofenac Potassium on Postoperative Endodontic Pain

Effect of Preoperative, Single-dose Diclofenac Potassium on Postoperative Endodontic Pain in Patients With Symptomatic Irreversible Pulpitis: A Double Blind Randomized Controlled Trial

Status
Completed
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03341260
Enrollment
70
Registered
2017-11-14
Start date
2016-12-31
Completion date
2018-04-30
Last updated
2018-04-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pulpitis - Irreversible

Keywords

Pulpitis, irreversible Pulpitis,, Diclofenac Potassium, Premedication, Preoperative Analgesic, Postoperative pain

Brief summary

The purpose of this study is to assess the effect of preoperative a single-dose of 50 mg diclofenac potassium on postoperative endodontic pain in mandibular molars with symptomatic irreversible pulpitis.

Detailed description

Patients with moderate-to-severe preoperative pain are selected. Patients receive either a single-dose of 50 mg diclofenac potassium (group A) or a placebo tablet as a control (group B). All patients receive the assigned premedication one hour before single-visit root canal treatment. Postoperative endodontic pain is measured at the following time points: 6 , 12,24,48 h after treatment. The incidence of analgesic intake is also recorded.

Interventions

DRUGDiclofenac Potassium 50mg Tab.

A 50 mg tablet of the medication to be taken one hour before initiation of endodontic treatment.

DRUGPlacebo

A placebo will be taken one hour before initiation of endodontic treatment.

Sponsors

Cairo University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Intervention model description

The patients will be randomly divided into 2 groups: Experimental group: 50 mg Diclofenac Potassium to be administered one hour before treatment. Control group: Placebo to be administered one hour before treatment.

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Patients with active pain (moderate-to-severe) in mandibular molars. * Patients with prolonged response to cold testing and electric pulp tester. * Patient with the ability to understand and use pain scales. * Patient with vital coronal pulp tissue on access. * Patient who accept to enroll to the study.

Exclusion criteria

* Patients' allergies or any other contraindication to diclofenac potassium or articaine. * Pregnant and lactating females. * Patients having pain medication in the last 6 hours. * Patient has more than one symptomatic mandibular tooth in the same quadrant. * Patients with periradicular pathosis and/or radiolucency other than widened periodontal ligaments. * Patients with active peptic ulcer and gastrointestinal disorders. * Patients with history of bleeding problems or anticoagulant use within the last month.

Design outcomes

Primary

MeasureTime frameDescription
Postoperative endodontic painUp to 2 days after endodontic treatmentPain after completion root canal treatment measured by Heft-parker visual analogue scale.

Secondary

MeasureTime frameDescription
Analgesic intakeUp to 2 days after endodontic treatmentThe incidence of analgesic intake is recorded

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026