Abstract: The invention relates to new tetracyclic analogues of camptothecin, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them. Said analogues, which include in particular 3-hydroxy-3-(4-oxo-4,6-dihydroindolizino[1,2-b]quinoline-2-yl)pentanoic acid, have a powerful biological activity inhibiting topoisomerase I and/or topoisomerase II.

Abstract: A method for treating neurodegenerative diseases in a warm-blooded animal comprising administering to a warm-blooded animal in need thereof an amount of a compound of the formula wherein A selected from the group consisting of hydrogen and wherein the substituents are defined as set forth in the specification.

Abstract: N-(imino)amines and their preparation and their use as NO synthase inhibitors and selective or non-selective traps for a reactive oxygen species.

Abstract: The invention relates to the use of cysteine derivatives for preparing a medicament intended to treat diseases which result from the formation of the heterotrimeric G protein. These diseases include in particular diseases linked to the following biological functions or disorders: smell, taste, perception of the light, neurotransmission, neurodegeneration, endocrine and exocrine gland functions, autocrine and paracrine regulation, arterial tension, embryogenesis, benign cell proliferation, oncogenesis, viral infection, immunological functions, diabetes, obesity, and benign and malign proliferative diseases.

Abstract: The invention concerns novel lipoic acid derivatives, which have an inhibiting action with respect to NO-synthase enzymes producing nitrogen monoxide NO and/or are agents enabling the regeneration of antioxidants or entities trapping reactive oxygen species (ROS) and intervening in a more general manner in the redox status of thiol groups. The invention also concerns methods for preparing them, pharmaceutical compositions containing them and their use for therapeutic purposes, particularly their use as NO-synthase inhibitors and/or as agents acting more generally in the redox status of thiol groups.

Abstract: A compound of the formula XXV(H) wherein the substituents are defined as set forth in the specification which are useful intermediates for the production of derivatives of 2-(iminomethyl)-amino-phenyl having inhibitory activity on NO-synthase enzymes.

Abstract: The invention relates to the use of cysteine derivatives for preparing a medicament intended to treat diseases which result from the formation of the heterotrimeric G protein. These diseases include in particular diseases linked to the following biological functions or disorders: smell, taste, perception of the light, neurotransmission, neurodegeneration, endocrine and exocrine gland functions, autocrine and paracrine regulation, arterial tension, embroygenesis, benign cell proliferation, oncogenesis, viral infection, immunological functions, diabetes, obesity, and benign and malign proliferative diseases. Said cysteine derivatives include in particular: bis-1,1′-[7-(2-amino-1-oxo-3-thiopropyl)-8-(cyclohexylmethyl)-2-(2-methoxyphenyl)-5,6,7,8-tetrahydroimidazo[1.2a]pyrazine disulphide (I), and bis-1,1′-7-(2-amino-1-oxo-3-thiopropyl-(2-(1-naphtyl)-8-(2-methylpropyl)-5,6,7,8-tetrahydroimidazo[1.2a]pyrazin-7-yl)disulphide (II).

Abstract: A cosmetic composition containing a flavonoid extract of ginkgo biloba leaves comprising 28 to 35% by weight of flavonoid glycosides and a maximum of 1% by weight of terpenes.

Abstract: The invention relates to the use of extracts of Ginkgo biloba, and in particular extracts of Ginkgo biloba comprising 20 to 30% of flavoneglycosides, 2.5 to 4.5% of ginkgolides A, B, C and J, 2 to 4% of bilobalide, less than 10% of proanthocyanidines and less than 10 ppm of compounds of alkylphenol type, for preparing a medicament intended to treat amyotrophic lateral sclerosis.

Abstract: This invention relates to a method for treating human hepatitis B or C by the combination of a complex of polyadenylic acid and polyuridylic acid and interferon-&agr;.

Abstract: A method for identifying putative peptides of a given function from among nucleotide or peptide sequences of unknown function comprising the steps of: (i) obtaining a polynucleotide or polypeptide database; (ii) screening the database for the presence of a combination of nucleotides or amino acids indicative of the peptide of given function; (ii) identifying the polynucleotide or polypeptide sequences which comprise the combination of nucleotides or amino acids indicative of the peptide of given function.

Abstract: Solid or semisolid pharmaceutical composition comprising a gellable and water-soluble peptide salt optionally combined with an appropriate excipient, said pharmaceutical composition being characterized in that the peptide salt has a high specific surface area and in that, once injected into a patient, it forms a gel in contact with this patient's body substances, said gel being capable of releasing the peptide over a prolonged period of at least 15 days.

Abstract: The invention concerns novel N-(iminomethyl)amine derivatives comprising in their skeleton the aminophenylamine, oxodiphenylamine, carbazole, phenazine, phenoxazine or oxodiphenyl motif, their use as medicines and pharmaceutical compositions containing them. The invention concerns in particular the following compounds: -4-{[2-thienyl(imino)methyl]amino}-N-[2-(phenylamino)phenyl]-benzenebutanamide; -4-{[2-thienyl(imino)methyl]amino}-N-[4-(phenylamino)phenyl]-benzenebutanamide; -N-′[4-(10H-phenothiazin-2-yloxy)phenyl]-2-thiophenecarboximidamide; -4-(4-{[amino(2-thienyl)methylidene]amino}phenyl)-N-(10H-phenothiazin-3-ylH)butanamide; -3-[(3-{[amino(2-thienyl)methylidene]amino}-benzyl)amino]-N-(4-anilinophenyl)propanamide; -N′-(4-{2-[(10H-phenothiazin-3-ylmethyl)amino]ethyl}phenyl-2-thiophene carboximidamide.

Abstract: A process for the preparation of a compound of the formula 1

Abstract: The invention relates to new tetracyclic analogues of camptothecin, their preparation processes, their use as medicaments and the pharmaceutical compositions containing them. Said analogues, which include in particular 3-hydroxy-3-(4-oxo-4,6-dihydroindolizino [1,2-b] quinoline-2-yl)pentanoic acid, have a powerful biological activity inhibiting topoisomerase I and/or topoisomerase II.

Abstract: Cosmetic compositions containing the flavonoid extract of ginkgo biloba leaves substantially free of terpenes and a cosmetic carrier.

Abstract: A compound of the formula 1

Abstract: A compound of the formula XXV (H) wherein the substituents are defined as set forth in the specification which are useful intermediates for the production of derivatives of 2-(iminomethyl)-imino-phenyl having inhibitory activity on NO-synthase enzymes.

Abstract: The invention concerns novel phenylcyclidine derivatives with selective affinity for low affinity receptors, methods for preparing them, pharmaceutical compositions containing them and their use as protective agents for central or peripheral nervous system cells against acute or chronic degeneration, or as an anticonvulsant.

Abstract: The invention concerns the use of a flavoniodic extract of ginkgo biloba leaves, and more specifically an extract devoid of terpenes for oral hygiene. The invention also concerns a composition for oral hygiene containing such an extract.