A Proof-of-Concept Study of Darbepoetin Alfa in Partial Correction of

Status Terminated

Clinical Trial Summary

The purpose of this study is to examine the effect of partial correction of anemia with Darbepoetin alfa to a target of 11 g.dL (female) or 12 g/dL (male) on the reduction of cardiovascular morbidity and total mortality.

Clinical Trial Description

Diabetes is the leading cause of end stage renal disease and cardiovascular disease with 60 percent of the global diabetic population coming from Asia. Growing evidence confirms the predictive role of chronic kidney disease (CKD) on cardiovascular morbidity and mortality. This is due to the constellation of conventional and non-conventional risk factors in patients who develop CKD, such as anemia, inflammation and abnormal bone metabolism. In this regard, anemia is a risk factor for cardiovascular disease and all-cause mortality in patients with CKD, patients with left ventricular dysfunction and in general population.

Effective erythropoiesis is dependent on the production of erythropoietin by the kidneys. Anemia is a common finding in patients with diabetes and up to 20% of diabetic patients are noted to have anemia. In a meta-analysis of community-based population studies, anemia interacts with CKD to increase the risk of coronary heart disease, stroke and all-cause mortality among patients with diabetes. Previous studies that examined the effect of erythropoietin therapy on anemic subjects with CKD did not find statistical difference in mortality rates between the treated and untreated groups. Possible explanations for the lack of benefits include higher level of blood pressure and increased blood viscosity leading to worsening of chronic congestive heart failure in the treated subjects. We hypothesize that partial correction of hemoglobin may be more appropriate. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00907608
Study type	Interventional
Source	Chinese University of Hong Kong
Contact
Status	Terminated
Phase	N/A
Start date	December 2007
Completion date	May 2009

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Proof-of-Concept Study of Darbepoetin Alfa in Partial Correction of Anemia in Chinese With Diabetic Nephropathy

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms