Which of the following drugs is not a part of the 'Triple Therapy' immunosuppression for post-renal transplant patients?

nitial therapy is the treatment given to all recipients (except where the donor is an identical twin) for 0–3 months after transplantation. Initial therapy is usually 'triple therapy', in which a calcineurin inhibitor (traditionally ciclosporin) is used as the 'primary agent'in combination with a corticosteroid (prednisolone) and azathioprine.