ATC Group: C03XA Vasopressin antagonists

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of C03XA in the ATC hierarchy

Level Code Title
1 C Cardiovascular system
2 C03 Diuretics
3 C03X Other diuretics
4 C03XA Vasopressin antagonists

Group C03XA contents

Code Title
C03XA01 Tolvaptan
C03XA02 Conivaptan

Active ingredients in C03XA

Active Ingredient Description
Tolvaptan

Tolvaptan is a selective vasopressin V2-receptor antagonist that specifically blocks the binding of arginine vasopressin (AVP) at the V2-receptor of the distal portions of the nephron. Tolvaptan affinity for the human V2-receptor is 1.8 times that of native AVP.

Related product monographs

Title Information Source Document Type  
JINARC Tablet European Medicines Agency (EU) MPI, EU: SmPC
SAMSCA Tablet European Medicines Agency (EU) MPI, EU: SmPC
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