The present application concerns concentrated protein formulations with reduced viscosity, which are particularly suitable for subcutaneous administration. The application further concerns a method for reducing the viscosity of concentrated protein formulations.

Reduced-viscosity concentrated protein formulations

The present application relates to highly concentrated antibody and protein formulations with reduced viscosity that are stable, relatively isotonic and are of low turbidity. The formulations are particularly suitable for subcutaneous administration. The application further describes articles of manufacture containing such formulations and method for using them to treat disorders treatable by the formulated antibody or protein.

High concentration antibody and protein formulations

The present application relates to methods of treating IgE-mediated disorders comprising the administration of highly concentrated anti-IgE antibody formulations with reduced viscosity that are stable, relatively isotonic and are of low turbidity. The formulations are particularly suitable for subcutaneous administration.

METHODS OF TREATING IgE-MEDIATED DISORDERS COMPRISING THE ADMINISTRATION OF HIGH CONCENTRATION ANTI-IgE ANTIBODY FORMULATIONS

Method of reducing viscosity of high concentration protein formulations

The present invention provides an efficient, safe and cost effective way to prepare 5-(4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)-benzenamine which is a key intermediate for the preparation of substituted pyrimidinylaminobenzamides of formula (II):

Process for the synthesis of organic compounds

A method of manufacture of 3,5-bis(trifluoromethyl)bromobenzene, comprising the addition of a brominating reagent to a mixture of 3,5-bis(trifluoromethyl)benzene together with at least one of sulphuric acid or oleum in the absence of acetic acid. A method of production of 3,5-bis(trifluoromethyl)acetophenone comprising the reaction of 3,5-bis(trifluoromethyl)phenyl magnesium bromide with acetyl chloride in the presence of cuprous chloride. A method of production of 3,5-bis(trifluoromethyl)acetophenone comprising the steps of reacting 3,5-bis(trifluoromethyl)phenyl magnesium bromide with acetic anhydride, adding water, and recovering the product by azeotropic distillation. A method of removal of impurities including 3,5-bis(trifluoromethyl)acetate, 4-bromobutyl acetate and 4-chlorobutyl acetate from a preparation of 3,5-bis(trifluoromethyl)acetophenone, the method comprising heating the 3,5-bis(trifluoromethyl)acetophenone with a dilute solution of alkali. A method of production of 3,5-bis(trifluoromethyl)phenyl magnesium bromide comprising the reaction of 3,5-bis(trifluoromethyl)bromobenzene with magnesium in a solvent whilst maintaining the temperature of the reactants above 20 °C and below the reflux temperature of the solvent.

1,3-Bis(trifluoromethyl)benzene derivatives

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1,3-Bis(trifluoromethyl)benzene derivatives