Ge Healthcare As

Ge Healthcare Limited

Dirk-Jan In't Veld

Julian Grigg

Nigel John Osborn

Anthony Wilson

Mikkel Jacob Thaning

Ben Newton

Torild Wickstrom

Christian Glogard

Karina Langseth

Paul Michael Evans

Lill Torild Wickstrom

The invention relates to a process for the preparation of a diagnostic X-ray composition. The composition comprises a non-ionic X-ray contrast agent in a pharmaceutically acceptable carrier. More particularly, the invention relates to a process for secondary production of X-ray compositions comprising X-ray contrast agents with a high dissolution temperature. When using the process of the invention, precipitation is avoided and degradation of the contrast agent is reduced. The process of the invention includes heat treatment of iodinated X-ray contrast agents at low pH.

Preparation of stabilised x-ray diagnostic composition

The present invention relates to X-ray examinations and to the improvement of patient safety during such. More specifically the invention relates to X-ray diagnostic compositions having low concentrations of iodine and an optimized amount of electrolytes. The invention further relates to methods of X-ray examinations wherein a body is administered with an X-ray diagnostic composition comprising a low concentration of iodine and irradiated with a radiation dose.

X-ray imaging contrast media with low iodine concentration and X-ray imaging process

The present invention relates to a method for improving stability of non fluoridated sugar derivatives, and in particular glucose derivatives such as 1,3,4,6-tetra-O-acetyl-2-O-trifluoromethanesulfonyl-&#xdf;-D-mannopyranose which are used as precursors for production of radiofluoridated sugar derivatives for use in in vivo imaging procedures such as positron emission tomography (PET). The method comprises storing the non fluoridated sugar derivative in an organic solvent. The resultant formulations of the non fluoridated sugar derivative and cassettes for automated synthesis apparatus comprising the same are also claimed.

Stabilisation of radiopharmaceutical precursors

The present invention relates to a method for improving stability of non fluoridated sugar derivatives, and in particular glucose derivatives such as 1,3,4,6-tetra-O-acetyl-2-O-trifluoromethanesulfonyl-&#x3b2;-D-mannopyranose which are used as precursors for production of radiofluoridated sugar derivatives for use in in vivo imaging procedures such as positron emission tomography (PET). The method comprises storing the non fluoridated sugar derivative in an organic solvent. The resultant formulations of the non fluoridated sugar derivative and cassettes for automated synthesis apparatus comprising the same are also claimed.

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Oslo, Norway

Dirk-Jan In't Veld