Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 7, 2026, 12:19 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
Conditions
Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
PA21 (2.5 g tablet containing 500 mg iron), Sevelamer carbonate, PA21-1 (1.25 g tablet containing 250 mg iron)
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Chronic Kidney Disease
Interventions
1.25 g PA21 (250 mg iron), 5.0 g PA21 (1,000 mg iron), 7.5 g PA21 (1,500 mg iron), 10.0 g PA21 (2,000 mg iron), 12.5 g PA21 (2,500 mg iron), Sevelamer hydrochloride
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
9
States / cities
Arvada, Colorado • Denver, Colorado • Pembroke Pines, Florida + 6 more