Comparative Pharmacology
Head-to-head clinical analysis: MEASURIN versus NAPROXEN SODIUM.
Peer-Reviewed Evidence
Head-to-head clinical analysis: MEASURIN versus NAPROXEN SODIUM.
MEASURIN vs NAPROXEN SODIUM
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Measurin is an aspirin preparation that irreversibly inhibits cyclooxygenase (COX-1 and COX-2), thereby reducing prostaglandin and thromboxane synthesis. This results in analgesic, antipyretic, anti-inflammatory, and antiplatelet effects.
Non-selective cyclooxygenase (COX-1 and COX-2) inhibitor, reducing prostaglandin synthesis.
325-650 mg orally every 4-6 hours as needed; maximum 4 g/day.
220-550 mg orally twice daily; maximum 1375 mg/day.
None Documented
None Documented
Plasma elimination half-life is 2-3 hours at low doses (antiplatelet) and increases to 15-30 hours at anti-inflammatory doses due to saturation of hepatic metabolism; clinical context: higher doses require longer dosing intervals to avoid accumulation.
12–17 hours (terminal); allows twice-daily dosing; prolonged in elderly and renal impairment
Renal excretion of salicylate and its metabolites (salicyluric acid, salicyl phenolic glucuronide, salicyl acyl glucuronide, gentisic acid) accounts for >90% of elimination; minor biliary/fecal excretion (<5%) occurs.
Renal: 95% (as unchanged drug, conjugated naproxen, and 6-O-desmethyl naproxen); Fecal: <5%
Category C
Category D/X
NSAID
NSAID