Infusion and injection solution of levodopa

A - Human Necessities – 61 – K

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Details

A61K 9/08 (2006.01) A61K 31/198 (2006.01) A61P 25/16 (2006.01)

Patent

CA 2574437

An infusion or injection solution of Levodopa containing at least 10 mg/mL of Levodopa, or at least 5 mg/mL of Levodopa together with at least 0.5 mg/mL of at least one inhibitor of a Levodopa-metabolising enzyme is disclosed. The solution further contains a buffer, a physiologically acceptable sugar, such as glucose, a physiologically acceptable acid, such as hydrochloric acid, and optionally a stabilizer, and has a pH of lower than or equal to 6. There are also described a disposable syringe containing an infusion or injection solution of Levodopa, optionally together with a Levodopa-metabolising enzyme, and an infusion pumpcassette containing an infusion or injection solution of Levodopa optionally together with a Levodopa-metabolising enzyme.

Cette invention concerne une solution de perfusion ou d'injection de Levodopa contenant au moins 10 mg/mL de Levodopa, ou au moins 5 mg/mL de Levodopa conjointement avec au moins 0,5 mg/mL d'au moins un inhibiteur de l'enzyme métabolisant la Levodopa. La solution décrite dans cette invention comprend également une solution tampon, un sucre physiologiquement acceptable, tel que le glucose, un acide physiologiquement acceptable, tel que l'acide chlorhydrique, et éventuellement un stabilisant; cette solution présente également un pH égal ou inférieur à 6. La présente invention concerne également une seringue jetable contenant une solution de perfusion ou d'injection de Levodopa, éventuellement conjuguée à une enzyme métabolisant la Levodopa, et une cartouche pour pompe à perfusion contenant la solution de Levodopa de perfusion ou d'injection conjointement avec une enzyme métabolisant la Levodopa.

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