An Effectiveness and Safety Study of Cyclobenzaprine HCl Alone or in Combination With Ibuprofen for Acute Back or Neck Muscle Pain With Muscle Spasm

Pain, Spasm

muscle spasm, cyclobenzaprine hydrochloride

The purpose of this study is to evaluate the effectiveness and safety of cyclobenzaprine HCl 5 mg (muscle spasm medication) taken three times a day, alone or in combination with ibuprofen 400 mg or 800 mg (pain relief medication) taken three times a day, for the treatment of back or neck muscle pain with muscle spasm.

The objective of this multicenter, randomized, open-label, parallel-group, one-week study is to evaluate the effectiveness and safety of cyclobenzaprine HCl 5 mg three times a day for one week, alone or in combination with ibuprofen 400 mg or 800 mg taken three times a day, for acute back or neck muscle pain with muscle spasm. The primary measurement of efficacy is the subject-rated global impression of change after seven days of treatment, compared to baseline. Safety assessments during the study include the monitoring of adverse events, and a physical examination, assessment of vital signs and medical history of any present illnesses conducted during the baseline visit. The study hypothesis is that there will not be a statistically significant difference in patient ratings of global impression of change, muscle spasm, muscle pain, medication helpfulness, and functional ability, between the cyclobenzaprine HCl monotherapy group versus the cyclobenzaprine HCl/ibuprofen 400 mg and cyclobenzaprine HCl/ibuprofen 800 mg groups, for the treatment for acute back or neck muscle pain with spasm. Patients receive cyclobenzaprine HCl 5 mg administered orally three times a day for one week, or cyclobenzaprine HCl 5 mg with ibuprofen 400 mg administered orally three times a day for one week, or cyclobenzaprine HCl 5 mg with ibuprofen 800 mg administered orally three times a day for one week.

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