Regadenoson

Products

Regadenoson is commercially available as a solution for injection (Rapiscan). It was approved in the United States in 2008, in the EU in 2010, and in many countries in 2017.

Structure and properties

Regadenoson (C15H18N8O5, Mr = 390.4 g/mol) is present in the drug as a monohydrate. It is a derivative of adenosine.

Effects

Regadenoson (ATC C01EB21) has vasodilator properties. It causes coronary vasodilation and increases coronary blood flow. The effects are due to agonism at the A2A adenosine receptor.

Indications

As a diagnostic agent in place of stress exercise for myocardial perfusion imaging with radionuclides in adult patients with insufficient exercise capacity.

Dosage

According to the SmPC. The drug is injected intravenously.

Contraindications

  • Hypersensitivity
  • Second- or third-degree AV block or sinus node dysfunction, unless these patients have a functioning pacemaker.
  • Unstable angina that has not been stabilized with medication.
  • Severe hypotension
  • Decompensated stages of heart failure

For complete precautions and interactions, see the drug label.

Adverse effects

The most common potential adverse effects include respiratory disturbances, headache, flushing, chest pain, ST-segment changes on ECG, gastrointestinal disturbances, and dizziness.