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  • Title: Effects of naproxen on experimental rhinovirus colds. A randomized, double-blind, controlled trial.
    Author: Sperber SJ, Hendley JO, Hayden FG, Riker DK, Sorrentino JV, Gwaltney JM.
    Journal: Ann Intern Med; 1992 Jul 01; 117(1):37-41. PubMed ID: 1317694.
    Abstract:
    OBJECTIVE: To determine whether naproxen, a propionic acid inhibitor of cyclooxygenase, alters the course of experimental rhinovirus colds. DESIGN: A randomized, double-blind, controlled trial. SETTING: Rhinovirus challenge model in volunteers cloistered in individual hotel rooms. VOLUNTEERS: Eighty-seven healthy young adults with serum neutralizing antibody titers of less than or equal to 1:2 to the challenge virus; 79 were evaluable. INTERVENTION: Thirty-nine participants received naproxen (loading dose, 400 mg or 500 mg followed by 200 mg or 500 mg three times daily for 5 days). Forty participants received placebo. Treatment was started 6 hours after viral challenge. MEASUREMENTS: Daily measurement of viral titers, symptoms, nasal mucus production, and nasal tissue use; incidence of infection and illness; and measurement of homotypic serum neutralizing antibody responses. RESULTS: Viral titers and serum homotypic antibody responses were similar in the naproxen and placebo groups. Significant reductions in headache, malaise, myalgia, and cough occurred in the naproxen group. A 29% reduction was noted in the total (5-day) symptom score in the naproxen group (95% CI, 16% to 42%). CONCLUSION: Naproxen treatment did not alter virus shedding or serum neutralizing antibody responses in participants with experimental rhinovirus colds, but it had a beneficial effect on the symptoms of headache, malaise, myalgia, and cough. Prostaglandins may be among the inflammatory mediators that play a role in the pathogenesis of rhinovirus colds.
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