<prompt> Drug used in renal osteodystrophy:Vitamin DCalcitriolCalcifediolAll of the above  <response>: Ans. d All of the aboveRef. Katzung 9th ed. 1028 Vitamin D has been used in treating renal osteodystrophy In mild forms of malabsorption, vitamin D should suffice to raise serum levels of 25OH D into the normal range. Many patients with severe disease do not respond to vitamin D. Calcitriol and Calcifediol have been used successfully in treatment of renal osteodystrophy and intestinal osteodystrophy. 