Wilmington, Delaware, U.S. | April 15, 2026
AOP Health US, LLC has achieved a significant regulatory milestone with the U.S. Food and Drug Administration (FDA) approval of RAPIBLYK® (landiolol) for the treatment of pediatric patients with supraventricular tachycardia (SVT). This approval expands the drug’s indication beyond adults to include patients from birth to under 18 years of age, making it the first approved therapeutic option for pediatric SVT in the United States. The decision underscores the growing importance of targeted cardiovascular therapies in critical care settings and highlights AOP Health’s commitment to addressing unmet medical needs in pediatric cardiology.
FDA Approval Expands Treatment Options in Pediatric Cardiology
The FDA approval of RAPIBLYK® for pediatric use marks a critical advancement in the management of supraventricular tachycardia, a condition characterized by abnormally rapid heart rhythms that can require immediate intervention in acute care environments. Until now, treatment options specifically approved for pediatric patients have been limited, creating challenges for clinicians managing these cases.
RAPIBLYK’s approval provides healthcare professionals with a validated, evidence-based therapy designed for precise and controlled heart rate reduction, improving treatment outcomes in high-risk pediatric populations. This milestone reflects the importance of regulatory progress in expanding access to life-saving therapies across all age groups, particularly in conditions requiring rapid clinical response.
Clinical Evidence Supports Efficacy and Safety Profile
The FDA’s decision is supported by results from the LANDI-PED clinical study, which evaluated RAPIBLYK in pediatric patients with SVT. The study demonstrated a clinically meaningful reduction of over 20% in ventricular rate from baseline, confirming the drug’s effectiveness in controlling abnormal heart rhythms. RAPIBLYK is an ultra-short-acting, selective beta-1 adrenergic receptor blocker administered intravenously, offering rapid onset and offset of action.
This pharmacological profile enables clinicians to quickly adjust dosing and achieve precise heart rate control, which is critical in emergency and critical care settings. Additionally, the therapy’s favorable hemodynamic profile supports its safe use in vulnerable patient populations, further reinforcing its clinical value.

