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Layout table for eligibility information
Ages Eligible for Study:
18 Years to 80 Years (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patient with CKD stage 3 or 4 whose 25-hydroxyvitamin D levels are below 30 ng/ml and plasma intact PTH levels >70 pg/ml.
Patients who are on any form of active vitamin treatment