Molecular Biomarkers of NSAID-induced Gastritis Wisik Candra Padmasari 1 , Willy Sandhika 1,2* Abstract Nonsteroidal anti-inflammation drug (NSAID) has been commonly used by people to treat myalgia and arthritis. Long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) can cause chronic gastritis due to its topical and systemic effects. The topical effects