Balanced Salt Solution Versus 0.9% Saline Infusion for Prevention of Contrast-induced Acute Kidney Injury (BASIC Trial)

October 21, 2020 updated by: Kwon wook Joo, Seoul National University Hospital

A Randomized, Open Label, Active Control, 2 Parallel Groups, Multicenter, Phase III Study to Evaluate the Efficacy and Safety of Balanced Salt Solution Versus 0.9% Saline in Patients With High Risk of Contrast Induced Nephropathy.

As iodinate contrast media (CM) has been widely used in current medical practice, contrast induced acute kidney injury (CI-AKI) has been an important issue.

Previously, many guidelines suggested prophylaxis protocol using 0.9% saline when CM is administrated to high risk patients. However, recent studies showed that 0.9% saline might induce metabolic acidosis due to its supra-physiologic chloride component, and therefore renal vasoconstriction. In spite of protective effect by volume expansion with saline infusion, this renal vasoconstriction might have conflicting effect on renal function, as hypoxic injury is suspected to be the main cause of CI-AKI.

In contrast to 0.9% saline, balanced salt solution has physiologic level of chloride and neutral pH. Also, recent studies proved preventive effect of balanced salt solution for AKI in several clinical settings.

Hence, the investigators planned a prospective randomized controlled trial comparing 0.9% saline and balanced salt solution to prevent CI-AKI.

Study Overview

Detailed Description

Iodinated contrast media (CM) has been widely used for various diagnostic and therapeutic interventions. Coronary angiography and contrast enhanced computed tomography are representative medical procedure in which CM administration is necessary, and their usage are recently extended. Also, U.S sales of medical imaging CM has been increased.

Although iodinated CM has useful role in many medical procedures, CM is well known for its renal side effect, contrast induced acute kidney injury (CI-AKI). CI-AKI is one of the leading cause of iatrogenic acute kidney injury (AKI). Moreover, CI-AKI is known to be an independent risk factor for short- and long term morbidity and mortality. Considering the current rising incidence of CI-AKI, its prevention has been an important issue.

The incidence of CI-AKI is below 5% and up to 25% according to presence of risk factors such as renal failure, diabetes mellitus, heart failure, old age and concomitant use of nephrotoxic medications. Chronic kidney disease (CKD) is an established risk factor for CI-AKI and therefore several guidelines recommend prophylaxis for CI-AKI when patients with creatinine clearance (CrCl) below 60mL/min receives CM administration. In those guidelines, it is generally recommend that high risk patients should receive isotonic crystalloid solution and be considered for taking N-acetylcysteine, although there are still debates on its benefit.

Several clinical studies have compared 0.9% saline and sodium bicarbonate solution for their effectiveness on CI-AKI prevention, and no superiority was shown in using sodium bicarbonate solution. Hence, most organization currently use 0.9% saline for CI-AKI prophylaxis due to its wide availability.

However, several studies showed that 0.9% saline has supra-physiologic dose of chloride and induces metabolic acidosis which contributes renal vasoconstriction and impairment of estimated glomerular filtration rate (eGFR). Double blind, randomized clinical human study proved that these problems are less pronounced with the use of balanced salt solution, which has physiologic level of chloride and neutral pH. Also, recent prospective pilot study suggested that using chloride restrictive solutions, rather than using chloride rich solutions, for fluid resuscitation in critically ill patients can reduce AKI. Considering the above findings, few large scale cohort studies and randomized controlled trials are ongoing to prove preventive effect of balanced salt solution for AKI over 0.9% saline.

In conclusion, as stated above, use of 0.9% saline for CI-AKI prophylaxis might have limited benefit only by volume expansion. Considering its components, additional physiologic advantage by using balanced salt solution could be achieved. In order to assess this hypothesis, the investigators planned a multicenter prospective randomized controlled open-label trial comparing balanced salt solution and 0.9% saline to prevent CI-AKI.

The primary end-point of this study is event of CI-AKI, which is defined by relative (≥25%) or fixed (≥0.5mg/dL) increase in serum creatinine from baseline value assessed at 48 hours after CM use. The secondary end-point are decrease in eGFR of more than 50% from the baseline eGFR within 48 hours and initiation of dialysis and mortality, after 1 or 6 month from CM exposure. For this purpose, at least 830 subjects would be required for each group when type I error rate is 2.5% and type II error is 20%, given 20% drop-out rate during the study period.

Study Type

Interventional

Enrollment (Actual)

493

Phase

  • Phase 3

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

      • Seoul, Korea, Republic of, 110-752
        • Seoul National University Hospital

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 and older (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Individuals aged 18 years or older
  • with eGFR < 45 mL/min/1.73m2 or eGFR < 60 mL/min/1.73m2 who have at least one condition Diabetes mellitus Age > 60 year
  • Able and willing to provide informed consent

Exclusion Criteria:

  • eGFR < 15 mL/min/1.73m2 or end stage renal disease patients with dialysis history
  • Heart failure with left ventricular ejection fraction < 45% or severe symptoms (New York Heart Association functional classification III or IV)
  • Decompensated heart failure patients who use dobutamine, dopamine, milrinone, amrinone, nesiritide or patients who have acute pulmonary edema
  • History of hyperkalemia (serum K > 5.5 mEq/L) or hypernatremia ( serum Na > 145 mEq/L) in screening period
  • Recent exposure to radiocontrast within 7 days of the study
  • History of hypersensitivity to radiocontrast
  • Multiple myeloma
  • Pregnant/lactation
  • Expected survival < 6 months
  • Enrolled in other clinical trials

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: PREVENTION
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: CJ Plasma Solution A Injection
Before contrast media administration : CJ Plasma Solution A Injection (3mL/kg for 1 hour) After contrast media administration : CJ Plasma Solution A Injection (1.5 mL/kg/h for 4 hours)
Intravenous plasma solution (Chloride 90 mmoL/L) at 3 mL/kg over 1 hour pre-contrast, followed by the same solution intravenously at 1.5 mL/kg/hr for 4 hours. Intra-vascular low-osmolal or iso-osmolal contrast will be used.
ACTIVE_COMPARATOR: CJ 0.9% Normal Saline Injection
Before contrast media administration : CJ 0.9% Normal Saline Injection (3mL/kg for 1 hour) After contrast media administration : CJ 0.9% Normal Saline Injection (1.5mL/kg/h for 4 hours)
Intravenous plasma solution (Chloride 154 mmoL/L) at 3 mL/kg over 1 hour pre-contrast, followed by the same solution intravenously at 1.5 mL/kg/hr for 4 hours. Intra-vascular low-osmolal or iso-osmolal contrast will be used.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Contrast Induced Acute Kidney Injury
Time Frame: 0-48 hour
Relative (≥25%) or fixed (≥0.5mg/dL) increase in serum creatinine
0-48 hour

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Decrease in renal function
Time Frame: 0-48 hour
Decrease in eGFR of more than 50% from the baseline eGFR
0-48 hour
1 month Renal replacement therapy
Time Frame: 0 to 30 days
Initiation of renal replacement therapy
0 to 30 days
6 month Renal replacement therapy
Time Frame: 0 to 180 days
Initiation of renal replacement therapy
0 to 180 days
1 month Mortality
Time Frame: 0 to 30 days
Mortality
0 to 30 days
6 month Mortality
Time Frame: 0 to 180 days
Mortality
0 to 180 days
Acute Kidney Injury by KDIGO guideline after CT scan
Time Frame: 0-48 hour
Relative (≥50%) or fixed (≥0.3mg/dL) increase in serum creatinine (otherwise specified in the latest release of KDIGO guideline)
0-48 hour

Collaborators and Investigators

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

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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

November 1, 2016

Primary Completion (ACTUAL)

May 1, 2019

Study Completion (ACTUAL)

March 1, 2020

Study Registration Dates

First Submitted

June 10, 2016

First Submitted That Met QC Criteria

June 10, 2016

First Posted (ESTIMATE)

June 14, 2016

Study Record Updates

Last Update Posted (ACTUAL)

October 23, 2020

Last Update Submitted That Met QC Criteria

October 21, 2020

Last Verified

October 1, 2020

More Information

Terms related to this study

Other Study ID Numbers

  • BS-CCT-01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

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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