ESAs, Reticulocyte Dynamic and Hemoglobin Variability

NCT ID: NCT01666301

Last Updated: 2012-08-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

31 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-02-28

Study Completion Date

2012-04-30

Brief Summary

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Background: In a simulation based on a pharmacokinetic model we demonstrated that increasing the erythropoiesis stimulating agents (ESAs) half-life or shortening their administration interval decreases hemoglobin variability. The benefit of reducing the administration interval was however lessened by the variability induced by more frequent dosage adjustments. The purpose of this study was to analyze the reticulocyte and hemoglobin kinetics under different ESAs and administration intervals in a collective of chronic hemodialysis patients.

Methods: The study was designed as an open-label, randomized, four-period cross-over investigation, including 30 patients under chronic hemodialysis at the regional hospital of Locarno (Switzerland) in September 2009 and lasting 2 years. Four treatment strategies (C.E.R.A. every 4 weeks Q4W and every 2 weeks Q2W, Darbepoetin alfa Q4W and Q2W) were compared with each other. The mean square successive difference of hemoglobin, reticulocyte count and ESAs dose was used to quantify variability. We distinguished a short- and a long-term variability based respectively on the weekly and monthly successive difference.

Detailed Description

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Conditions

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Erythropoiesis Stimulating Agent Pharmacodynamics

Keywords

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Erythropoietin stimulating agents Hemoglobin Reticulocytes Variability

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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C.E.R.A.

C.E.R.A. every 4 and then every 2 weeks

Group Type ACTIVE_COMPARATOR

comparison between darbepoetin alfa and C.E.R.A. and different administration intervals

Intervention Type DRUG

Darbepoetin

Darbepoetin alfa every 4 and then every 2 weeks

Group Type ACTIVE_COMPARATOR

comparison between darbepoetin alfa and C.E.R.A. and different administration intervals

Intervention Type DRUG

Interventions

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comparison between darbepoetin alfa and C.E.R.A. and different administration intervals

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* chronic patients aged 18 years or older, undergoing dialysis 3 times a week for at least 8 weeks before screening, necessitating continuous subcutaneous treatment with weekly Darbepoetin alfa or Erythropoietin beta to maintain hemoglobin (Hb) targets
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ospedale Regionale di Locarno

OTHER

Sponsor Role lead

Responsible Party

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Luca Gabutti, MD

Head of Department; internal medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Luca Gabutti, MD

Role: PRINCIPAL_INVESTIGATOR

Ospedale Regionale Locarno

Locations

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Ospedale Regionale Locarno

Locarno, Canton Ticino, Switzerland

Site Status

Countries

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Switzerland

References

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Forni V, Bianchi G, Ogna A, Salvade I, Vuistiner P, Burnier M, Gabutti L. Reticulocyte dynamic and hemoglobin variability in hemodialysis patients treated with Darbepoetin alfa and C.E.R.A.: a randomized controlled trial. BMC Nephrol. 2013 Jul 22;14:157. doi: 10.1186/1471-2369-14-157.

Reference Type DERIVED
PMID: 23870287 (View on PubMed)

Other Identifiers

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Epo-Loc1

Identifier Type: -

Identifier Source: org_study_id