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CompletedNCT00561431CVVHDFUpdated Apr 14, 2015Results posted

High Dose CVVHDF Compared to Standard Dose CVVHDF

A Phase 3 interventional study of Standard dose of dialysis and High dose of dialysis in Acute Renal Failure, sponsored by University of Alabama at Birmingham. Completed at 1 site in United States. Open to participants aged 19 Years and older. Per ClinicalTrials.gov, last updated 2015-04-14.

Sponsored by University of Alabama at Birmingham · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
200
Allocation
Randomized
Ages
19 Years and older
Sex
All
01

Study summary

In the last three decades, the mortality associated with acute renal failure (ARF) in the ICU has remained unchanged at greater than 50%, despite improvements in dialysis technology.

The primary objective is to determine whether Continuous Veno-Venous Hemodiafiltration (CVVHDF) using an ultrafiltration rate of 35 ml/hr/kg (high dose) leads to a greater reduction in all-cause ICU mortality compared to standard CVVHDF using an ultrafiltration rate of 20 ml/hr/kg.

Read the detailed description

Although the worldwide standard for renal replacement therapy is intermittent hemodialysis(IHD), continuous renal replacement therapy (CRRT) has emerged as an alternative form of renal replacement therapy in the critical care setting due to its advantages of slow continuous fluid removal, steady acid-base correction, and hemodynamic stability.

There are no standard protocols for initiating or administering CRRT, and practice patterns vary widely among institutions, with less than 25% of patients with ARF in the ICU receiving this therapy in the United States.

Various CRRT modalities are available that use diffusion, convection, or a combination of both to obtain adequate solute clearance. However, there is no consensus as to the optimal dialysis modality, adequate dialysis dose, or optimal clearance modality (convection vs. diffusion). Clinical trials are needed to determine the optimal method of administering CRRT, with respect to modality, dose of dialysis, and time of initiation of therapy.

Although some studies suggest that a higher dose of dialysis improves survival, there have been no prospective randomized studies comparing the effectiveness of diffusion and convection, combined together, for solute clearance.

02

Conditions studied

  • Acute Renal Failure

Keywords

  • CVVHDF Dose Study
03

In context

Renal Insufficiency

1,995 studies on the registry are indexed under Renal Insufficiency; 173 are open to participants now.

This study's enrollment of 200 is above the median of 43 across 1,504 interventional studies indexed under Renal Insufficiency.

Browse Renal Insufficiency studies →

Lead sponsor

University of Alabama at Birmingham is the lead sponsor of 1,396 studies on the registry; 284 are open to participants now.

Of its 156 completed or terminated interventional studies of FDA-regulated products, 124 (79%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
19 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male or female > or equal to 19 yrs of age
  • ARF defined by at least one of the following:

    • Volume overload from inadequate urine output despite diuretic agents.
    • Oliguria (urine output \< 200 ml/12hrs) despite fluid resuscitation and diuretic administration.
    • Anuria (urine output \< 50 ml/12 hrs).
    • Acute azotemia (BUN > or equal to 80 mg/dl).
    • Acute hyperkalemia not responsive to medication (K+ > or equal to 6.5mmol/L)
    • An increase in serum creatinine of > 2.5 mg/dl from normal values or a sustained rise in serum creatinine of > or equal to 1 mg/dl over baseline.

Exclusion criteria

Exclusion Criteria

  • Patients with end stage renal disease
  • Patients who have had more than one previous dialysis session for acute or chronic renal failure during the current hospitalization
  • Patient weight greater than 125 kg
  • Patient weight less than 50 kg
  • Pregnancy
  • Prisoner
  • Non-candidacy for continuous renal replacement therapy (CRRT)
  • Patient/surrogate refusal
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
200 participants (actual)

Study arms

  • Active comparator
    1

    Standard dose Continuous Venovenous Hemodiafiltration (CVVHDF) at an effluent rate of 20 ml/kg/hr

    Device: Standard dose of dialysis

  • Experimental
    2

    High dose Continuous Venovenous Hemodiafiltration (CVVHDF) at an effluent rate of 35 ml/kg/hr

    Device: High dose of dialysis

Interventions

  • DeviceStandard dose of dialysis

    Continuous Venovenous Hemodiafiltration (CVVHDF) effluent dose of 20 ml/kg/hr

  • DeviceHigh dose of dialysis

    Continuous Venovenous Hemodiafiltration (CVVHDF) effluent rate 35 ml/kg/hr

06

What researchers measure

Primary outcomes

  1. Number of Participants Alive at 30 Days After Enrollment Compared Between High Dose Versus Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)

    The primary objective is to determine whether Continuous Venovenous Hemodiafiltration (CVVHDF) using an effluent rate of 35 ml/hr/kg (high dose) leads to an increased participant survival time as compared to CVVHDF using the standard effluent rate of 25 ml/hr/kg as measured by days on continuous renal replacement therapy (CRRT) at enrollment up to 30 days.

    Time frame: Up to 30 days

Secondary outcomes

  1. Recovery of Renal Function, Defined as Not Requiring Dialysis After Discontinuation of CRRT

    The number of participants who recover renal function at 30 days after enrollment in each arm.

    Time frame: Up to 30 days

07

Results

Posted Mar 12, 2010

Participant flow

Participant flow — Overall Study
MilestoneStandard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)
Started100100
Completed100100
Not completed00

Outcome measures

PrimaryNumber of Participants Alive at 30 Days After Enrollment Compared Between High Dose Versus Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)

The primary objective is to determine whether Continuous Venovenous Hemodiafiltration (CVVHDF) using an effluent rate of 35 ml/hr/kg (high dose) leads to an increased participant survival time as compared to CVVHDF using the standard effluent rate of 25 ml/hr/kg as measured by days on continuous renal replacement therapy (CRRT) at enrollment up to 30 days.

Time frame:
Up to 30 days
Reported as:
Number · participants
Number of Participants Alive at 30 Days After Enrollment Compared Between High Dose Versus Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)
participantsStandard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)
Number of Participants Alive at 30 Days After Enrollment Compared Between High Dose Versus Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)5649
SecondaryRecovery of Renal Function, Defined as Not Requiring Dialysis After Discontinuation of CRRT

The number of participants who recover renal function at 30 days after enrollment in each arm.

Time frame:
Up to 30 days
Reported as:
Number · Participants
Recovery of Renal Function, Defined as Not Requiring Dialysis After Discontinuation of CRRT
ParticipantsStandard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)
Recovery of Renal Function, Defined as Not Requiring Dialysis After Discontinuation of CRRT3728

Adverse events

Collected over Time on continuous venovenous hemodiafiltration up to 30 days.. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)—63/100 (63%)0/100 (0%)
High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)—72/100 (72%)0/100 (0%)
Most frequent serious events
Most frequent serious events
EventStandard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)
Renal FailureRenal and urinary disorders63/10072/100
deathGeneral disorders44/10051/100

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)Total
<=18 years000
Between 18 and 65 years5764121
>=65 years433679
Age, Continuous
Age, Continuous(years)Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)Total
Mean62 ± 1558 ± 1660 ± 15
Sex: Female, Male
Sex: Female, Male(Participants)Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)Total
Female434184
Male5759116
Region of Enrollment
Region of Enrollment(participants)Standard Dose Continuous Venovenous Hemodiafiltration (CVVHDF)High Dose Continuous Venovenous Hemodiafiltration (CVVHDF)Total
United States100100200
08

Study locations

1 site
  • The University of Alabama at Birmingham
    Birmingham, Alabama 35233, United States
09

References and documents

Publications

  • Tsujimoto Y, Miki S, Shimada H, Tsujimoto H, Yasuda H, Kataoka Y, Fujii T. Non-pharmacological interventions for preventing clotting of extracorporeal circuits during continuous renal replacement therapy. Cochrane Database Syst Rev. 2021 Sep 14;9(9):CD013330. doi: 10.1002/14651858.CD013330.pub2. PubMed 34519356 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 14, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT00561431
Lead sponsor
University of Alabama at Birmingham
Collaborators
Pfizer
Responsible party
Ashita Tolwani (Principal Investigatorl, University of Alabama at Birmingham) — Principal investigator
First posted
Nov 21, 2007
Start date
Jul 2003
Primary completion
Nov 2007
Completion
Nov 2007
Results posted
Mar 12, 2010
Last update
Apr 14, 2015

Study contacts

Ashita J. Tolwani, MD
principal investigator · The University of Alabama at Birmingham, Division of Nephrology

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2015. You cannot join it, but the record below documents what was studied.

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