Safety Trial of Naproxen Sodium/ Diphenhydramine (MUST)

Inclusion Criteria:

• Healthy, ambulatory, male and female volunteers ages 12 and older
• History of experiencing occasional sleeplessness accompanied by aches and pains at least two times, but not continually for more than 14 days per month, in at least 2 of the past 3 months
• Female subjects of childbearing potential must be using a medically acceptable form of birth control, e.g., oral or patch contraceptives, intrauterine device, Depo-Provera®, for at least 1 month prior to screening (3 months on oral contraceptives), or double-barrier and have a negative pregnancy test at Screening. Female subjects of nonchildbearing potential must be amenorrheic for at least 2 years or have had a hysterectomy and/or bilateral oophorectomy
• Be willing and able to participate in all scheduled visits, treatment plan, tests and other trial procedures according to the protocol
• Provide a personally signed and dated informed consent indicating that the subject has been informed of all pertinent aspects of the trial, (subjects <18 years of age must sign a written assent and have parental or guardian consent).

Exclusion Criteria:

• History of hypersensitivity to naproxen sodium, acetaminophen, or any NSAIDs (Nonsteroidal Antiinflammatory Drugs), diphenhydramine or any other antihistamines, and similar pharmacological agents or components of the product
• Evidence or history of clinically significant (in the judgment of the investigator) hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic diseases, or malignancies with the last 5 years
• A history of a chronic or severe sleep problem which does not respond to OTC (Over-the-counter) medication and/or requires a prescription hypnotic or sedative
• Currently experiencing chronic pain or on chronic NSAID therapy (defined as taking a daily [5 to 7 days per week] regimen of prescription or OTC NSAIDs)
• Current or past history of gastrointestinal ulcers or bleeding or other bleeding disorders
• Use of any OTC or prescription medications with which the administration of naproxen, acetaminophen, or any NSAIDs, diphenhydramine or any other antihistamines or sedatives, is contraindicated
• Chronic use of other products containing diphenhydramine, including topical products
• Use of steroids or blood thinning (anticoagulant) drugs (aspirin 81 mg is permitted if the dose has been taken for at least one month prior to screening)