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Phase 2 N=290 Randomized Quadruple-blind Treatment

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

Pain

Enrolled (actual)
290
Serious AEs
0.0%
Results posted
Dec 2022
Primary outcome: Primary: Time-Weighted Sum of Pain Intensity Difference Score From Baseline (0 Hour) to 6 Hours (SPID 0-6) — 2.36; 25.59; 30.28; 33.77 Units on a scale

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen (Drug); 220 mg naproxen sodium with 650 mg acetaminophen (Drug); 10 mg hydrocodone + 650 mg acetaminophen (Drug); 440 mg naproxen sodium (Drug); Placebo tablet (Drug)
Age
Pediatric, Adult · 17+ yrs
Sex
All
Sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Primary completion
Nov 2019

Outcome Measures

OutcomeResultp-value
PRIMARY
Time-Weighted Sum of Pain Intensity Difference Score From Baseline (0 Hour) to 6 Hours (SPID 0-6)
2.36; 25.59; 30.28; 33.77; 23.60
PRIMARY
Time-weighted Sum of Pain Intensity Difference Score From Baseline (0 Hour) to 12 Hours (SPID 0-12)
5.80; 50.07; 55.47; 66.43; 39.94
SECONDARY
Time-Weighted Sum of Total Pain Relief Score From Baseline (0 Hour) to 6 Hours (TOTPAR 0-6)
7.96; 35.20; 40.94; 45.13; 32.88
SECONDARY
Time-Weighted Sum of Total Pain Relief Score From Baseline (0 Hour) to 8 Hours (TOTPAR 0-8)
11.12; 47.19; 54.37; 60.78; 41.61
SECONDARY
Time-Weighted Sum of Total Pain Relief Score From Baseline (0 Hour) to 12 Hours (TOTPAR 0-12)
18.20; 69.96; 76.80; 90.22; 57.03
SECONDARY
Time-Weighted Sum of Pain Intensity Difference Score From Baseline (0 Hour) to 8 Hours (SPID 0-8)
3.24; 34.11; 39.98; 45.27; 29.58
SECONDARY
Pain Relief (PAR) Scores at Individual Timepoints
0.45; 0.80; 1.36; 1.07; 1.04; 0.51
SECONDARY
Pain Intensity Difference (PID) Scores at Individual Time Points
0.25; 0.58; 1.01; 0.85; 00.79; 0.07
SECONDARY
Participant's Global Evaluation of Study Medication OR Overall Impression of Study Medication According to Participant's Global Evaluation
0.8; 2.7; 2.9; 3.3; 2.7

Summary

Study assessing efficacy and safety of concomitantly dosed naproxen sodium with acetaminophen, compared with naproxen sodium, hydrocodone/acetaminophen and Placebo in a postoperative dental pain.

Eligibility Criteria

Inclusion Criteria

  • Males of females 17-50 years old
  • Weigh 100 pounds or greater and have a body mass index (BMI) of 18.5 to 35 (inclusive) at screening
  • Surgical removal of up to four third molars, of which, two must be mandibular impactions
  • Meets requirements for post -surgical pain level
  • Females of childbearing potential and males agree to contraceptive requirements of study
  • Have a negative urine drug screen at screening, and on day of surgical procedure

Exclusion Criteria

  • Pregnant female, breastfeeding, trying to become pregnant or male with pregnant partner or partner currently trying to become pregnant
  • Have known allergy or hypersensitivity to naproxen or other NSAIDS, including aspirin, or to acetaminophen, tramadol, hydrocodone or other opioids
  • Not able to swallow large tablets or capsules
  • History of any condition (s) in investigator's opinion, may jeopardize subject safety, well-being and integrity of study
  • Use analgesics 5 or more times per week
  • History of chronic tranquilizer use, heavy drinking, substance abuse as judged by investigator site staff within last 5 years
  • Use of immunosuppressive drugs within 2 weeks of screening
  • History of peptic ulcer disease or gastrointestinal bleeding in the last two years or hematologic bleeding
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT03879408). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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