A Study to Assess Inflammation in Rheumatoid Arthritis Using Molecular Imaging Techniques

Gadobutrol is a solution for intravenous (IV) injection in prefilled syringe/cartridge with a unit dose strength of 1.0 millimole (mmol)/mL solution, and will be administered at up to 0.1mmol/kg.

18F-FDG is a solution for IV injection in multidose vial, maximum 10 mL with unit dose strength of 160 megabecquerel (MBq) at maximum.

18F-GE-180 solution for IV injection in 10mL glass vial. Patients will receive a maximum activity of 195 MBq in a maximum volume of 10 mL (bolus) of 18F-GE-180, containing not more than 2 microgram (mcg)/mL 18F-GE-180 (20 mcg for a 10 mL dose).