Abstract: A pharmaceutical composition in form of an aqueous suspension up to a size of 200 ?m comprises or consists of amphiphilic sulfonate and/or sulfate of a hydrophilic cancer drug having a solubility in water or aqueous body fluid of less than 0.1% by weight. Also disclosed are the particles in powderous form, methods for their production and for the production of the suspension, a method of treating cancer, bacterial or fungal infections in lung by administration of the pharmaceutical composition, and a method of designing a composition according to the invention.

Abstract: A method of designing a pharmaceutical composition for providing the liver of a person or animal, as a therapeutic target, with a predetermined concentration of a sulfate or sulfonate of a pharmacologically active agent, during a predetermined period, includes determining the correlation between the solubility of a sulfate and/or sulfonate of a pharmacologically active agent of the formula Dn+(R1SO3)?n or Dn+(R2OSO3)?n for various carbon chain lengths X, Y in an aqueous solvent and the expected concentration of the pharmaceutically active agent D in the therapeutic target upon administration of the pharmacologically active agent D to the person or animal, defining a target solubility of the sulfate or sulfonate based on a desired concentration of said pharmaceutically active substance D in the therapeutic target, and determining the carbon chain length(s) X, Y corresponding to the target solubility.

Abstract: A method of designing a pharmaceutical composition for providing the liver of a person or animal, as a therapeutic target, with a predetermined concentration of a sulfate or sulfonate of a pharmacologically active agent, during a predetermined period, includes determining the correlation between the solubility of a sulfate and/or sulfonate of a pharmacologically active agent of the formula Dn+(R1SO3)?n or Dn+(R2OSO3)?n for various carbon chain lengths X, Y in an aqueous solvent and the expected concentration of the pharmaceutically active agent D in the therapeutic target upon administration of the pharmacologically active agent D to the person or animal, defining a target solubility of the sulfate or sulfonate based on a desired concentration of said pharmaceutically active substance D in the therapeutic target, and determining the carbon chain length(s) X, Y corresponding to the target solubility.

Abstract: A pharmaceutical composition in form of an aqueous colloid or an aqueous suspension of particles up to a size of 100 ?m comprises or consists of amphiphilic sulfonate or sulfate of a hydrophilic cancer drug having a solubility in water or aqueous body fluid of less than 0.1% by weight. Also disclosed are the particles in powderous form, methods for their production and for the production of the colloid and the courser suspension, a method of treating liver cancer, in particular solid liver cancer tumours, by administration of the pharmaceutical composition, and a method of designing a composition according to the invention.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.

Abstract: A pharmaceutical composition in form of an aqueous colloid or an aqueous suspension of particles up to a size of 100 ?m comprises or consists of amphiphilic sulfonate or sulfate of a hydrophilic cancer drug having a solubility in water or aqueous body fluid of less than 0.1% by weight. Also disclosed are the particles in powderous form, methods for their production and for the production of the colloid and the courser suspension, a method of treating liver cancer, in particular solid liver cancer tumours, by administration of the pharmaceutical composition, and a method of designing a composition according to the invention.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.

Abstract: A drug delivery system (DDS) for administration of a water soluble, cationic, and amphiphilic pharmaceutically active substance (API) which DDS comprises poorly water soluble nanoparticles formed by the API together with a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester. A pharmaceutical composition comprising such a DDS. Methods for preparation of such a DDS and such a pharmaceutical composition. Use of such a DDS and pharmaceutical composition for treatment of cancer.

Abstract: A drug delivery system (DDS) for administration of a water soluble, cationic, and amphiphilic pharmaceutically active substance (API) which DDS comprises amorphous particles of <100 nm of a poorly water soluble complex of the API with a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, which particles are entrapped in nanoparticles formed a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, the w/w-ratio of Na-salt of N-alltrans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester to the complex is about 0.5:1 to about 20:1. A pharmaceutical composition comprising such a DDS. Methods for preparation of such a DDS and such a pharmaceutical composition. Use of such a DDS and pharmaceutical composition for treatment of cancer.

Abstract: A drug delivery system (DDS) for administration of a water soluble, cationic, and amphiphilic pharmaceutically active substance (API) which DDS comprises amorphous particles of <100 nm of a poorly water soluble complex of the API with a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, which particles are entrapped in nanoparticles formed a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester, the w/w-ratio of Na-salt of N-alltrans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester to the complex is about 0.5:1 to about 20:1. A pharmaceutical composition comprising such a DDS. Methods for preparation of such a DDS and such a pharmaceutical composition. Use of such a DDS and pharmaceutical composition for treatment of cancer.

Abstract: A drug delivery system (DDS) for administration of a water soluble, cationic, and amphiphilic pharmaceutically active substance (API) which DDS comprises poorly water soluble nanoparticles formed by the API together with a Na-salt of N-all-trans-retinoyl cysteic acid methyl ester and/or a Na-salt of N-13-cis-retinoyl cysteic acid methyl ester. A pharmaceutical composition comprising such a DDS. Methods for preparation of such a DDS and such a pharmaceutical composition. Use of such a DDS and pharmaceutical composition for treatment of cancer.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.

Abstract: This invention relates to a drug delivery system for administration of poorly water soluble pharmaceutically active substance, a pharmaceutical composition comprising such a drug delivery system, and a method for the preparation of such a drug delivery system. The invention also relates to a method for controlling the particle size and/or particle shape and/or particle size distribution in such a drug delivery system, and to a method for increasing the drug loading capacity of the particles. Furthermore the invention also relates to the use of such a drug delivery system for the preparation of a medicament for the treatment of cancer.