Effects of Strict Volume Control in Hypertensive Hemodialysis Patients on Cardiac Structure and Chronic Inflammation

September 6, 2013 updated by: Ercan OK, Ege University

Effects of Strict Volume Control in Hypertensive Hemodialysis Patients on Cardiac Structure and Chronic Inflammation: a Randomised, Prospective and Controlled Study

This study aims mainly to investigate the effects of two approaches to control blood pressure in hypertensive hemodialysis patients; using antihypertensive drugs versus strict volume control (by strict dietary salt restriction and persistent ultrafiltration) without using antihypertensive drugs on cardiac structure and inflammation.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This randomised, controlled and prospective study aims mainly to investigate the effects of two approaches to control blood pressure in hypertensive hemodialysis patients; using antihypertensive drugs versus persistent strict volume control without using antihypertensive drugs on cardiac structure (mainly left ventricular hypertrophy)and inflammation.

We hypothesize that better blood pressure control and regression of left ventricular mass may be reached by a policy of strict volume control consisting of strict dietary salt restriction and persistent ultrafiltration.

258 Hypertensive hemodialysis patients (BP>130/80 mmHg and/or being on antihypertensive medication) will be randomized to two arms:

Group 1: Antihypertensive medicine will be stopped and strict volume control policy will be applied.

Group 2: Antihypertensive medicine will be continued. Target BP will be 130/80 mmHg in both groups.

The patients will be evaluated at 12 months for primary outcomes. Primary end-points are significant changes in left ventricular hypertrophy and left ventricular mass and significant change in left ventricular end-diastolic volume.

Secondary end-points are changes in post-dialysis weight, changes in hematocrit, albumin, BNP and hsCRP levels.

Study Type

Interventional

Enrollment (Actual)

258

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey
      • Adana, Turkey, 01100
        • Adana Numune Research and Education Hospital
    • Izmir
      • Bornova, Izmir, Turkey, 35100
        • Ege University School of Medicine Division of Nephrology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • aged between 18-70 years old
  • on maintenance bicarbonate hemodialysis scheduled thrice weekly, at least 12 hours/week
  • willingness to participate in the study with a written informed consent.

Exclusion Criteria:

  • to be scheduled for living donor renal transplantation
  • to have serious life-limiting co-morbid situations; namely active malignancy, active infection, end-stage cardiac, pulmonary, or hepatic disease; pregnancy or lactating

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: strict volume control policy
strict volume control policy: Antihypertensive medicine will be stopped and strict volume control policy will be applied.
Procedure: strict volume control policy
strict volume control by UF and dietary salt restriction
Other: antihypertensive drugs administration
antihypertensive drugs administration: Antihypertensive medicine will be continued. Target BP will be 130/80 mmHg in both groups.
Procedure: antihypertensive drugs administration
continue antihypertensive medications

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
regression of left ventricular hypertrophy
Time Frame: one year
one year
regression of left ventricular mass
Time Frame: one year
one year
change in left ventricular end-diastolic volume
Time Frame: one year
one year

Secondary Outcome Measures

Outcome Measure
Time Frame
change in post-dialysis weight, changes in hematocrit, albumin, changes in BNP and hsCRP levels
Time Frame: one year
one year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Ege University

Investigators

  • Study Chair: Ercan Ok, M.D, Ege University School of Medicine Nephrology Department

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2005

Primary Completion (Actual)

September 1, 2006

Study Completion (Actual)

September 1, 2006

Study Registration Dates

First Submitted

March 27, 2006

First Submitted That Met QC Criteria

March 27, 2006

First Posted (Estimate)

March 28, 2006

Study Record Updates

Last Update Posted (Estimate)

September 9, 2013

Last Update Submitted That Met QC Criteria

September 6, 2013

Last Verified

September 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Ege1336

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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