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Analgesic Efficacy, Safety and Tolerability of Two Paracetamol-containing Solutions in Post-Surgical Dental Pain

This study has been completed.
Information provided by:
Baxter Healthcare Corporation Identifier:
First received: November 29, 2006
Last updated: August 10, 2011
Last verified: August 2011
The aim of the study is to evaluate the therapeutic efficacy and safety of two different paracetamol-containing solutions in postoperative dental pain. They will be compared to placebo (a dummy treatment which contains no active ingredient).

Condition Intervention Phase
Pain, Postoperative
Drug: Paracetamol (acetaminophen) solution experimental
Drug: paracetamol (acetaminophen) solution commercial
Drug: placebo
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Single-Dose Comparison of the Analgesic Efficacy, Safety and Tolerability of Two Paracetamol 1%-Containing Solutions and Placebo in a Post-Surgical Dental Pain Model

Resource links provided by NLM:

Further study details as provided by Baxter Healthcare Corporation:

Enrollment: 135
Study Start Date: November 2006
Study Completion Date: October 2007
Primary Completion Date: October 2007 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1 Drug: Paracetamol (acetaminophen) solution experimental
1 gm IV
Other Names:
  • paracetamol
  • acetaminophen
Placebo Comparator: 2 Drug: placebo
equivalent volume IV 0.9% sodium chloride (equivalent volume)
Other Names:
  • sodium chloride
  • saline
Active Comparator: 3 Drug: paracetamol (acetaminophen) solution commercial
1 gm IV
Other Names:
  • paracetamol
  • acetaminophen


Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • ASA I or II and scheduled for elective surgical extraction of 1 or more impacted mandibular 3rd molars, at least 1 of which must be a fully or partially impacted mandibular 3rd molar requiring mandibular bone removal.
  • Moderate or severe pain within 4 hours after the completion of surgery.

Exclusion Criteria:

  • Another acute or chronic painful physical condition
  • Use of any other analgesics (within 24 hours), sedatives, or narcotic drugs as well as microsomal enzyme inducers
  • Inability to use and understand Visual Analog Scale and Verbal Rating Score
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00406679

United Kingdom
University Dental Hospital of Manchester
Manchester, England, United Kingdom
University Dental Hospital NHS Trust Cardiff
Cardiff, Wales, United Kingdom
Sponsors and Collaborators
Baxter Healthcare Corporation
Study Director: Keyvan Tadjalli-Mehr, MD Baxter Healthcare Corporation
  More Information

Responsible Party: Keyvan Tadjalli Mehr, MD, Baxter Healthcare Corporation Identifier: NCT00406679     History of Changes
Other Study ID Numbers: R-01270-A015
Study First Received: November 29, 2006
Last Updated: August 10, 2011

Keywords provided by Baxter Healthcare Corporation:
pain, postoperative
surgery, oral
surgery, dental

Additional relevant MeSH terms:
Pain, Postoperative
Neurologic Manifestations
Nervous System Diseases
Postoperative Complications
Pathologic Processes
Signs and Symptoms
Tooth Diseases
Stomatognathic Diseases
Facial Pain
Pharmaceutical Solutions
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Antipyretics processed this record on May 23, 2017