Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients

"1. Patients will receive 1mcg once daily orally if iPTH is less than 500pg/ml;~2. Patients will receive 2mcg once daily orally if iPTH is more than 500pg/ml. Duration of administration will be 16 weeks."

"1. If baseline 25 OHD level is less than 5ng/mml: ergocalciferol 50,000 units once a week orally for 12 weeks, then 50,000 units monthly for total duration of 16 weeks.~2. If baseline 25 OHD is between 5 and 15mg/ml: Ergocalciferol 50,000 units once a week orally for 4 weeks, then 50,000 units once a month for total duration of 16 weeks.~3. If baseline 25 OHD level is between 16 and 30ng/ml: Ergocalciferol 50,000 units orally once every 4 weeks for 16 weeks."