- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01420653
Maxigesic 325 Acute Dental Pain Study
Maxigesic 325 Acute Dental Pain Study: A Double-blind, Placebo-controlled, Randomized, Parallel Group Comparison of the Effects of Maxigesic 325 Versus Acetaminophen, Ibuprofen and Placebo in Participants With Acute Dental Pain
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The combination of 500mg acetaminophen and 150mg ibuprofen has been shown to improve analgesia compared with the individual components, when given as 2 tablets (i.e. total of 1,000/300 mg) 4 times a day.
Recent concerns over the safety of acetaminophen have led to some regulatory agencies restricting the maximum dose of acetaminophen per tablet to 325 mg, while maintaining the maximum daily dose of 4000mg per day.
A dosing regimen of three tablets of Maxigesic 325 four times a day gives a total daily dose of 3900mg acetaminophen and 1170mg ibuprofen.
The primary objective of the study is to compare time-adjusted SPID of the VAS pain intensity scores up to 48 hours after the first dose of study medication among the four study groups.
Secondary objectives are:
To compare the time to onset of pain relief after the first dose of study drug defined as (i) perceptible and (ii) meaningful pain relief among the four study groups using the two stopwatch method.
To compare the maximum VAS pain scores up to 48 hours after the first dose of study medication among the four study groups.
To compare the response rates (response rate to be defined as the percentage of participants who reduce their pain intensity scores by at least 50% compared with the baseline VAS measure) among the four study groups.
To compare the time to peak reduction in VAS pain intensity scores following the first dose of study medication among the four study groups.
To compare the time to requirement for rescue medication among the four study groups.
To compare the percentage of participants who use rescue medication among the four study groups.
To compare the amount of rescue medication used (defined as number of tablets) among the four study groups.
To compare the categorical global pain rating among the four study groups.
Safety:
To compare adverse event rates for the 48-hour study period and up to Day 30 among the four treatment groups.
To compare the incidence of known specific NSAID and paracetamol side effects (e.g. GI ulceration or bleeding, indigestion/stomach pain, post-operative bleeding, bronchospasm, skin rashes, water retention, renal failure, thromboembolic events and evidence of clinical hepatitis) during the 48-hour study period and up to Day 30 among the four study groups.
Planned hospital admissions and/or surgical operations for an illness or disease which existed before the study drug was given or the participant was randomized in the study will not be considered adverse events.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Auckland, New Zealand, 0622
- Clinical Solutions Ltd.
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Christchurch, New Zealand
- Southern Clinical Trials
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Waikato
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Hamilton, Waikato, New Zealand
- Clinical Trial New Zealand
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Texas
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Austin, Texas, United States, 78705
- Premier Research
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Provides written informed consent before initiation of any study-related procedures.
- Males and females aged at least 10 years and not more than 60 years old on the day of consent.
- Undergoing dental surgery for the extraction of at least 2 impacted third molar teeth.
- A resting VAS pain intensity score at baseline (within 6 hours after the completion of surgery) of greater than or equal to 40 mm on a 100 mm VAS scale with 0 = no pain and 100 = worst pain imaginable.
Exclusion Criteria:
- Has taken any NSAID or acetaminophen within 12 hours prior to the stat of surgery other than asprin less than or equal to 150 mg/day
- Subjects who have received any anaesthetics within 24 hours prior to surgery
- Hypersensitivity to opioids
- Known to be pregnant or possibly pregnant
- Women of childbearing potential who are unwilling to take adequate contraceptive precautions, i.e., hormonal contraceptive, an intrauterine device, double-barrier method, or abstinence. A women of childbearing potential is defined as any female who is less than 2 years post-menopausal or has not undergone a partial or total hysterectomy or surgical sterilization, e.g. bilateral tubal ligation, bilateral oophorectomy.
- Women of childbearing potential who are unwilling to undergo an urine pregnancy test.
- Suffering from a neurological disorder relating to pain perception or any acute or chronic condition that, in the opinion of the investigator, makes the subject unsuitable from an efficacy or safety perspective.
- In the opinion of the investigator, unable to understand the visual analogue pain score or comply with the protocol requirements.
- Currently, or in the last 30 days, has been in a clinical trial involving another study drug.
- Currently treated with an ACE inhibitor, warfarin, steroid (other than nasal steroids or topical steroids with the approval of the investigator) cyclosporin, tacrolimus or methotrexate, or any other medication felt by the investigator to interfere with safety or efficacy evaluations.
- Participant weight < 50 kg or > 120 kg.
- Has a history of drug or alcohol abuse.
- Suffering from any other disease or condition which, in the opinion of the investigator, means that it would not be in the participants best interests to participant in the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Maxigesic 325
Acetaminophen 325mg + ibuprofen 97.5mg per tablet, two tablets every 6 hours, orally
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Maxigesic USA (acetaminophen 325 mg + ibuprofen 97.5mg), three tablets four times a day with food for 48 hours
Other Names:
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Active Comparator: Acetaminophen
Acetaminophen 325mg per tablet (standard dose acetaminophen), two tablets every 6 hours, orally
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Acetaminophen 325 mg, 3 tablets four times a day, with food for 48 hours
Other Names:
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Active Comparator: Ibuprofen
Ibuprofen 97.5mg per tablet (i.e.
low dose ibuprofen), two tablets every 6 hours, orally
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Ibuprofen 97.5mg, three tablets four times a day, with food for 48 hours.
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Placebo Comparator: Placebo
Placebo tablets, every 6 hours, orally
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placebo, three tablets four times a day, with food for 48 hours
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
SPID (Summed Pain Intensity Differences)
Time Frame: 48 hours afte the first dose
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The time-adjusted Summed Pain Intensity Differences (SPIDs) of the VAS pain intensity scores up to 48 hours after the first dose of study medication. This was calculated from the visual analogue scale (VAS) pain intensity scores recorded during the 48 hours double blind treatment period, with the last measure taken just prior to the final dose of blinded study medication. The visual analogue scale is 100mm long with 0= no pain and 100=worst pain imaginable. The Visual Analogue Scale It is expected that treatments which can provide superior analgesic effect will demonstrate a greater Summed Pain Intensity Difference. |
48 hours afte the first dose
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: John Currie, Doctor, Clinical Trial New Zealand
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pain
- Neurologic Manifestations
- Stomatognathic Diseases
- Tooth Diseases
- Facial Pain
- Toothache
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Cyclooxygenase Inhibitors
- Antipyretics
- Acetaminophen
- Ibuprofen
Other Study ID Numbers
- AFT-MX-6
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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