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EP0252290A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Pharmaceutical compositions containing levodopa methyl ester, preparation and therapeutic applications thereof

Assignee: Chiesi Farmaceutici SpA
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Filing: 1987-06-02
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Granted: —
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Expires: 2007-06-02
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Abstract

Abstract Pharmaceutical compositions for the treatment of Parkinson's disease and neurologic syndromes connected with it, containing as the active principle levodopa methyl ester optionally combined with other active princi­ples selected from dopaminergic, anticholinergic, antide­pressive drugs, carboxylase and monoaminoxidase inhibi­tors.

Inventors

  • 👤 Paolo Chiesi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 22:45
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195; A61K31/21; A61K31/215; A61K31/235; A61K31/24; A61P; A61P25/00

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 16 words
Pharmaceutical compositions containing levodopa methyl ester (LDME) as active ingredient and a pharmaceu­tical carrier or diluent.
Claim 2
Dependent Claim 16 words
Pharmaceutical compositions containing levodopa methyl ester (LDME) as active ingredient and a pharmaceu­tical carrier or diluent.
Claim 3
Dependent Claim 27 words
Compositions according to claim 1, containing LDME in combination with other active principles selected from dopamine agonists, anticholinergics, antidepressives, peripheral decarboxylase inhibitors, MAO-B inhibitors or their association.
Claim 4
Dependent Claim 24 words
Compositions according to claims 1 and 2 containing as active ingredient LDME alone or in combination, in solution in a liquid carrier or diluent.
Claim 5
Dependent Claim 25 words
Compositions according to claims 1 and 2 containing as active ingredient LDME alone or in combination, in solid form in a solid carrier or diluent.
Claim 6
Dependent Claim 24 words
Compositions according to claims 1 to 4 to be admi­nistered by oral, buccal, sublingual, rectal, parenteral, subantaneous or endoperitoneal route, optionally through implantable systems.
Claim 7
Dependent Claim 41 words
Compositions according to any one of the preceding claims containing from 100 to 1.000 mg of active ingre­dient per unit dose, when in solid form, or containing the active principle in concentration from 50 to 400 mg/ml, when in liquid form.
Claim 8
Dependent Claim 46 words
Compositions according to claims 2 and 4 containing levodopa methyl ester in an unit dose ranging from 100 to 300 mg in combination with benserazide or carbidopa or de­prenyl, in a ratio from respectively 2:1 to 5:1; 4:1 to 10:1; 20:1 to 100:1 or their combination.
Claim 9
Dependent Claim 45 words
Compositions according to claims 2 and 3 containing levodopa methyl ester in a concentration ranging from 50 to 400 mg/ml in combination with benserazide or carbidopa or deprenyl in a ratio between respectively 2:1 and 10:1; 4:1 and 20:1; 20:1 to 100:1 or their combination.
Claim 10
Dependent Claim 25 words
Compositions according to any one of the preceding claims characterized in that the release of the active ingredient occurs in a prolonged or sequential way.
Claim 11
Dependent Claim 19 words
Compositions according to any one of the preceding claims to be administered so as to bypass the gastrointe­stinal system.
Claim 12
Dependent Claim 20 words
Use of LDME for the preparation of a medicament useful in the treatment of Parkinson's disease and corre­lated neurologic syndrome.
Claim 13
Dependent Claim 20 words
Use of LDME for the preparation of a medicament useful in the treatment of Parkinson's disease and corre­lated neurologic syndrome.

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