Answer
Its efficacy is not expected to be materially affected because exogenous adenosine is rapidly taken up and metabolised rather than relying on renal or hepatic clearance.
Sources for this answer
- Adenosine 3mg/ml Solution for Injection (Focus)emc · SmPC Current selected SmPC · Version 4
- Adenosine 30mg/10ml Solution for Infusionemc · SmPC Current selected SmPC · Version 4