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Pronunciation | /liːvoʊbjuːˈpɪvəkeɪn/ |
Trade names | Chirocaine |
Other names | (S)-bupivacaine
(-)-bupivacaine L(-)-bupivacaine |
AHFS/Drugs.com | Micromedex Detailed Consumer Information |
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Routes of administration | Parenteral |
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Pharmacokinetic data | |
Bioavailability | n/a |
Protein binding | 97% |
Metabolism | Hepatic |
Metabolites | 3-hydroxy-levobupivacaine desbutyl-levobupivacaine |
Onset of action | Within 15 minutes |
Elimination half-life | 80 minutes |
Duration of action | Up to 16 hours |
Excretion | Renal 71%, faecal 24% |
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Chemical and physical data | |
Formula | C18H28N2O |
Molar mass | 288.435 g·mol−1 |
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Levobupivacaine (rINN) is a local anaesthetic drug indicated for minor and major surgical anaesthesia and pain management. It is a long-acting amide-type local anaesthetic that blocks nerve impulses by inhibiting sodium ion influx into the nerve cells.[1] Levobupivacaine is the S-enantiomer of racemic bupivacaine and therefore similar in pharmacological effects.[2] The drug typically starts taking effect within 15 minutes and can last up to 16 hours depending on factors such as site of administration and dosage.[1]
Levobupivacaine was designed, in the late 1970s, to be a safer and more effective alternative to bupivacaine, which had been associated with a higher risk of cardiotoxicity.[1][2] Compared to bupivacaine, levobupivacaine is associated with less vasodilation and has a longer duration of action. It is approximately 13 per cent less potent (by molarity) than racemic bupivacaine and has a longer motor block onset time.[3] Ropivacaine is, next to levobupivacaine, another less cardiotoxic alternative to bupivacaine.[4]
Levobupivacaine hydrochloride is commonly marketed by AbbVie under the trade name Chirocaine.[5] In Europe, Chirocaine is available – prescription only – in concentrations ranging from 0.625 mg/mL to 7.5 mg/mL.[6]