The Efficacy and Safety of Pelubiprofen in the Treatment of Acute Upper Respiratory Tract Infection: A Multicenter, Randomized, Double-Blind, Non-Inferiority Phase III Clinical Trial Compared to Loxoprofen
Abstract
Background/Objectives: Acute upper respiratory tract infections (URTIs) are common illnesses that cause significant discomfort due to symptoms such as fever, headache, sore throat, and muscle pain. Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used for symptom relief due to their anti-inflammatory, analgesic, and antipyretic properties. Pelubiprofen, a new NSAID, has not been extensively evaluated for its efficacy and safety in treating URTI-related symptoms, particularly fever. This study aimed to demonstrate that pelubiprofen is not inferior to loxoprofen in reducing fever in patients with URTIs. Methods: This phase III, multicenter, randomized, double-blind, parallel-group, active-controlled, non-inferiority trial involved 181 adults with URTI-related fever (≥38.0 °C), who were randomly assigned to receive pelubiprofen or loxoprofen at a 1:1 ratio. The primary end point was decreasing axillary temperature 4 h post-dose. Secondary end points included fever reduction, pain relief based on the visual analog scale (VAS), and safety. Results: Of the 181 participants, 130 (pelubiprofen [n = 61] and loxoprofen group [n = 69]) underwent randomization. The mean reduction in axillary temperature at 4 h post-dose was comparable between the two groups (−0.08 ± 0.62 °C). The lower bound of the 97.5% one-sided confidence interval was −0.30 °C, which is greater than the non-inferiority margin of 0.35 °C, demonstrating the non-inferiority of pelubiprofen to loxoprofen. The…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 181 participants or records.
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