• Richard A Pollak, Ira J Gottlieb, Fardin Hakakian, John C Zimmerman, Stewart W McCallum, Randall J Mack, Rosemary Keller, Alex Freyer, and Wei Du.
• Endeavor Clinical Trials, San Antonio, TX.
• Clin J Pain. 2018 Oct 1; 34 (10): 918-926.

ObjectiveTo evaluate the analgesic efficacy and safety of a novel intravenous (IV) formulation of meloxicam (30 mg) in patients with moderate-to-severe pain following a standardized, unilateral bunionectomy with first metatarsal osteotomy and internal fixation.Materials And MethodsPatients who met the criteria for moderate-to-severe postoperative pain were randomized to receive bolus injections of meloxicam IV 30 mg (n=100) or placebo (n=101) administered once daily. The primary efficacy endpoint was the Summed Pain Intensity Difference over 48 hours (SPID48). Secondary efficacy endpoints included sum of time-weighted pain intensity differences (SPID) values at other timepoints/intervals, time to first use of rescue analgesia, and number of rescue doses taken. Safety assessments included the incidence of adverse events (AEs), physical examinations, laboratory tests, 12-lead electrocardiography, and wound healing.ResultsPatients randomized to meloxicam IV 30 mg exhibited a statistically significant difference in SPID48 versus the placebo group (P=0.0034). Statistically significant differences favoring meloxicam IV over placebo were also observed for secondary efficacy endpoints, including SPID at other times/intervals (SPID6: P=0.0153; SPID12: P=0.0053; SPID24: P=0.0084; and SPID24-48: P=0.0050) and first use of rescue medication (P=0.0076). Safety findings indicated that meloxicam IV 30 mg was generally well tolerated; no serious AEs or bleeding events were observed. Most AEs were assessed by the investigator to be mild in intensity, and no patients discontinued due to AEs. There were no meaningful differences between the study groups in vital signs, electrocardiographic findings, or laboratory assessments. In most cases, investigators found that wound healing followed a normal course and mean wound-healing satisfaction scores were similar for meloxicam IV 30 mg and placebo.DiscussionMeloxicam IV doses of 30 mg provided effective pain relief when administered once daily by bolus injection to patients with moderate-to-severe pain following bunionectomy, and had an acceptable safety profile.

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