Intra-arterial and intravenous applications of Iosimenol 340 injection, a new non-ionic, dimeric, iso-osmolar radiographic contrast medium: phase 2 experience

Author:

Meurer Karoline1,Laniado Michael2,Hosten Norbert3,Kelsch Bettina4,Hogstrom Barry5

Affiliation:

1. Otsuka Novel Products GmbH, Munich, Germany, Germany

2. Institut und Poliklinik für Radiologische Diagnostik, Universitätsklinikum Carl Gustav Carus, Dresden, Germany

3. Institut für Diagnostische Radiologie und Neuroradiologie, Ernst-Moritz-Arndt-Universität, Greifswald, Germany

4. Department of Radiology, Charité, Humboldt University, Berlin, Germany

5. Otsuka Novel Products, Medical Imaging, Otsuka Pharmaceutical Development & Commercialization, Princeton, NJ, USA

Abstract

Background Iosimenol 340 injection is a new, dimeric, iso-osmolar, iodinated contrast medium for X-ray angiography. Purpose To compare the safety and efficacy of iosimenol injection to iodixanol injection in two randomized, controlled phase 2 trials. Material and Methods One hundred and forty-four adult patients were enrolled in the two trials, one for evaluation during arteriography and the other for evaluation during computed tomography. Safety was compared by assessing adverse events, vital signs, ECGs, and laboratory parameters. Efficacy was assessed as X-ray attenuation in the computed tomography (CT) trial and as the quality of contrast enhancement in the arteriography trial. Results There were no statistically significant differences in terms of safety or efficacy between the two contrast media. Both were well tolerated upon intravenous as well as intra-arterial injection. The most common adverse event was a feeling of warmth (observed in 35.1% of the patients with Iosimenol injection and 44.3% with iodixanol injection). Conclusion Iosimenol upon intravenous as well as upon intra-arterial injection exhibits a safety profile and shows an efficacy similar to that of iodixanol.

Publisher

SAGE Publications

Subject

Radiology Nuclear Medicine and imaging,General Medicine,Radiological and Ultrasound Technology

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