This invention relates to indol-3-yl-carbonyl-spiro-piperidine derivatives which act as Via receptor antagonists and which are represented by Formula I: wherein the spiropiperidine-head group A and the residues R1, R2 and R3 are as defined herein. The invention further relates to pharmaceutical compositions containing such compounds, their use in the treatment of dysmenorrhea, hypertension, chronic heart failure, inappropriate secretion of vasopressin, liver cirrhosis, nephrotic syndrome, obsessive compulsive disorder, anxiety and depressive disorders, and to methods of preparation thereof.