Overview
Meloxicam is a widely used nonsteroidal anti-inflammatory drug (NSAID) belonging to the oxicam class. It was developed to provide effective relief from pain and inflammation associated with chronic conditions like osteoarthritis and rheumatoid arthritis. Unlike older NSAIDs, meloxicam exhibits selectivity for cyclooxygenase-2 (COX-2), which helps reduce gastrointestinal side effects while maintaining therapeutic efficacy. Approved for medical use in the 1990s, meloxicam is available in oral tablets, injectable solutions, and topical formulations. Its balanced COX-2 selectivity makes it a preferred choice for long-term management of inflammatory diseases. The drug is included in the World Health Organization's List of Essential Medicines due to its clinical importance.
Physical and Chemical Properties
Meloxicam is a light yellow to yellow crystalline powder with a melting point range of 254-256°C. It is chemically stable under recommended storage conditions but may degrade when exposed to excessive heat or moisture. The compound is slightly soluble in water but dissolves well in organic solvents such as dimethyl sulfoxide (DMSO) and methanol. The molecular structure of meloxicam includes a thiazole ring and a benzothiazine moiety, contributing to its selective COX-2 inhibition. Its molecular weight is 351.40 g/mol, and it has a pKa of approximately 4.08, which influences its solubility and absorption characteristics in the body.
Main Applications
Meloxicam is primarily prescribed for the treatment of osteoarthritis and rheumatoid arthritis in adults. It helps reduce joint pain, swelling, and stiffness by inhibiting prostaglandin synthesis through COX-2 suppression. The drug is also used off-label for managing other inflammatory conditions, such as ankylosing spondylitis and acute gout. In veterinary medicine, meloxicam is commonly administered to dogs and cats for post-surgical pain and musculoskeletal disorders. Its long half-life allows for once-daily dosing, improving patient compliance. Formulations vary from oral tablets to injectables, with dosage adjusted based on species and condition severity.
Safety and Storage
Meloxicam carries risks of gastrointestinal bleeding, cardiovascular events, and kidney impairment, especially with prolonged use. Patients with a history of peptic ulcers, heart disease, or renal dysfunction require careful monitoring. Concurrent use with other NSAIDs or anticoagulants should be avoided. For storage, meloxicam should be kept in its original packaging at temperatures below 25°C, protected from light and humidity. Bulk pharmaceutical powder must comply with Good Manufacturing Practice (GMP) standards to ensure stability and purity. Disposal should follow local regulations to prevent environmental contamination.
B2B Procurement Guide
When procuring meloxicam in bulk, buyers should prioritize suppliers with certifications such as ISO, GMP, or WHO prequalification. Key procurement considerations include purity (typically ≥98%), residual solvent levels, and compliance with USP/EP monographs. Pricing varies based on order volume, with discounts available for long-term contracts. Due to regulatory requirements, buyers must provide end-use documentation, especially for cross-border transactions. Auditing supplier facilities for quality control measures is recommended. Alternative sourcing options include generic manufacturers in India and China, but third-party lab testing is advisable to verify product authenticity.