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68767-14-6CC(C(=O)O)c1ccc(CC2CCCC2=O)cc1YMBXTVYHTMGZDW-UHFFFAOYSA-NLoxoprofen is a monocarboxylic acid that is propionic acid in which one of the hydrogens at position 2 is substituted by a 4-[(2-oxocyclopentyl)methyl]phenyl group. A prodrug that is rapidly converted into its active trans-alcohol metabolite following oral administration. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic, an antipyretic, an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor and a prodrug. It is a monocarboxylic acid and a member of cyclopentanones. It is functionally related to a propionic acid. It is a conjugate acid of a loxoprofen(1-).
68767-14-6、80382-23-6DTXSID1045164안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
Drug-Induced Liver Injury Severity and Toxicity (DILIst)
Loxoprofen
DILI Positive
DOI:10.1016/j.drudis.2019.09.022
M - Musculo-skeletal system
M - Musculo-skeletal system
QM - Musculo-skeletal system
QM - Musculo-skeletal system
Loxoprofen is a non-selective inhibitor of cyclooxygenase enzymes, which are responsible for the formation of various biologically active pain, fever, and inflammatory mediators. These include prostaglandins, prostacyclin, thromboxane, and arachidonic acid.
Loxoprofen itself is a prodrug and carries little-to-no pharmacological activity - it is rapidly metabolized to its trans-alcohol form, which is a potent and non-selective inhibitor of cyclooxygenase. Cyclooxygenase (COX) is present in 2 forms, COX-1 and COX-2, with each serving different functions. COX-1 is present in human cells and is constitutively released, performing cellular housekeeping functions such as mucus production and platelet aggregation. COX-2 is induced in human cells post-injury or due to other stimuli, is triggered to appear in large quantities at the sites of injury/stimuli, and is ultimately responsible for the mediation of inflammation and pain. Loxoprofen's active metabolite inhibits both COX isoforms, resulting in reduced expression of several mediators of pain, inflammation, and fever (e.g. prostaglandins, prostacyclin, thromboxane, etc).
Loxoprofen is a prodrug that is rapidly converted to its active trans-alcohol metabolite by carbonyl reductase in the liver. This same process also results in a cis-alcohol metabolite, though this isomer carries little pharmacological activity. The parent drug has also been observed to undergo oxidation via CYP3A4/5 to two hydroxylated metabolites (M3 and M4) and glucuronidation by UGT2B7 to two glucuronide metabolites (M5 and M6). The alcohol metabolites of loxoprofen also undergo glucuronide conjugation via UGT2B7 to two glucuronide metabolites (M7 and M8) prior to excretion. When applied in topical formulations, loxoprofen is metabolized to its active trans-alcohol form by carbonyl reductase in the skin.
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CHEMBL19299CHEBI:76172Anti-inflammatory agents that are non-steroidal in nature. In addition to anti-inflammatory actions, they have analgesic, antipyretic, and platelet-inhibitory actions. They act by blocking the synthesis of prostaglandins by inhibiting cyclooxygenase, which converts arachidonic acid to cyclic endoperoxides, precursors of prostaglandins. Inhibition of prostaglandin synthesis accounts for their analgesic, antipyretic, and platelet-inhibitory actions; other mechanisms may contribute to their anti-inflammatory effects.
Loxoprofen is rapidly and completely absorbed from the GI tract with a bioavailability of 95%. The absorption phase of the medication occurs in the first 4-6 hours after ingestion. Food ingestion with the medication causes a slight decrease in the rate of loxoprofen absorption.
50% renal excretion. This drug is 20% - 30% excreted in the stool.
Loxoprofen has a volume of distribution of 0.16 L/kg.
Most of the drug as unchanged loxoprofen, 6-0-desmethyl loxoprofen (less than 1%) and glucuronide or other conjugates (66-92%). In patients with renal failure, metabolites may accumulate.
용도Loxoprofen is a non-selective nonsteroidal anti-inflammatory drug (NSAID) that has been effective in reducing atherosclerosis in mice by reducing inflammation. Loxoprofen becomes active after metabolism in the body and inhibits the activation of cyclooxygenase.
정의ChEBI: A monocarboxylic acid that is propionic acid in which one of the hydrogens at position 2 is substituted by a 4-[(2-oxocyclopentyl)methyl]phenyl group. A prodrug that is rapidly converted to its active trans-alcohol metabolite following ora administration.