Safety and Efficacy of Zemplar Capsule in Reducing Serum iPTH Levels in Chronic Kidney Disease Subjects (Daily Dosing)

Launched by ABBOTT · Nov 1, 2002

Keywords

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Gender

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Eligibility criteria

• Inclusion Criteria:
• • Under care of physician at least 2 months (for CKD)
• • Not on active Vitamin D therapy for at least 4 weeks prior
• * If female:
• • Not of childbearing potential, OR,
• • Practicing birth control
• • Not breastfeeding
• • If taking phosphate binders, on a stable regimen at least 4 weeks prior
• * For entry into Pretreatment Phase:
• • iPTH at least 120 pg/mL
• • GFR of 15-60 mL/min and no dialysis expected for at least 6 months
• * For entry into Treatment Phase:
• • Average of 2 consecutive iPTH values of at least 150 pg/mL, taken at least 1 day apart (all values not less than 120 pg/mL_
• • 2 consecutive corrected serum calcium levels between 8.0-10.0 mg/dL
• • 2 consecutive serum phosphorus levels of not more than 5.2 mg/mL
• Exclusion Criteria:
• • History of allergic reaction or sensitivity to similar drugs
• • Acute Renal Failure within 12 weeks of study
• • Chronic gastrointestinal disease
• • Spot urine result demonstrating a urine-calcium-to-urine creatinine ratio of greater than 0,2, or a history of renal stones
• • Taken aluminum-containing phosphate binders within last 12 weeks, or requires such medication for more than 3 weeks during study
• • Current malignancy, or clinically significant liver disease
• • Active granulomatous disease (TB, sarcoidosis, etc.)
• • History of drug or alcohol abuse within 6 months prior
• • Evidence of poor compliance with diet or medication
• • Received any investigational drug or participated in any device trial within 30 days prior
• • Taking maintenance calcitonin, bisphosphonates, or drugs that may affect calcium or bone metabolism (other than females on stable estrogen and/or progestin therapy)
• • On glucocorticoids for a period of more than 14 days within the last 6 months
• • HIV positive