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A Randomized Controlled Trial of a Conservative Fluid Balance Strategy for Patients With Sepsis and Cardiopulmonary Dysfunction (BALANCE Study)

A Phase II/III Randomized Controlled Trial of a Conservative Fluid Balance Strategy for Patients With Sepsis and Cardiopulmonary Dysfunction

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02159079
Acronym
BALANCE
Enrollment
30
Registered
2014-06-09
Start date
2014-07-31
Completion date
2016-04-30
Last updated
2019-11-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sepsis

Keywords

Sepsis, Severe Sepsis, Septic Shock, Conservative Fluid Management, Fluid Balance, Fluid Restriction

Brief summary

Sepsis is a common inflammatory response to infection characterized by hypovolemia and vasodilation for which early administration of intravenous fluids has been suggested to improve outcomes. The ideal fluid balance following initial resuscitation is unclear. Septic patients treated in the intensive care unit commonly receive significant volumes of intravenous fluids with resultant positive fluid balance for up to a week after their initial resuscitation. Observational studies have associated fluid receipt and positive fluid balance in patients with severe sepsis and septic shock with increased mortality but are inherently limited by indication bias. In order to determine the optimal approach to fluid management following resuscitation in patients with severe sepsis and septic shock, a randomized controlled trial is needed. The primary hypothesis of this study is that, compared to usual care, a conservative approach to fluid management after resuscitation in patients with sepsis and cardiopulmonary dysfunction will increase intensive care unit free days.

Interventions

OTHERConservative Fluid Management Strategy

For patients in the conservative fluid management arm, beginning 12 hours after admission to study ICU and ending at the first of ICU discharge, death, return to home inspired oxygen, or study day 14, fluid management will be controlled by a study protocol. Patients in shock will receive fluid boluses only as specified by the protocol for oliguria and rapidly increasing vasopressor requirement. Patients not in shock will receive fluid boluses only as specified by the protocol for oliguria. Output will exceed input each day using a diuretic drip if required. Study protocol will be held only for pre-specified Safety Endpoints of persistent oliguria, decompensating shock, diuretic side effect, and intervening acute event.

Sponsors

Vanderbilt University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* ICU patients * Adults * Sepsis as defined by at least two systemic inflammatory response syndrome criteria and receipt of antimicrobial therapy * Cardiopulmonary dysfunction as defined shock or respiratory failure

Exclusion criteria

* Inability to obtain consent * Greater than 48 hours since inclusion criteria initially met * Allergy to furosemide AND bumetanide * Rhabdomyolysis with creatinine kinase \> 5000 U/L * Hypercalcemia with calcium \>11 mg/dL * Diabetic Ketoacidosis requiring continuous insulin infusion * Tumor Lysis Syndrome diagnosed clinically * Pancreatitis diagnosed clinically * Chronic Hypoxic Respiratory Failure with Home Oxygen Use of FiO2≥0.3 * Chronic ventilator dependence * cervical spinal cord injury at level C5 or higher * amyotrophic lateral sclerosis * Guillain-Barré Syndrome * myasthenia gravis * Renal failure requiring renal replacement therapy * Burns \>20% of body surface area * Pregnant * Preexisting pulmonary hypertension with PAPmean\>40 on RHC * Severe chronic liver disease with Childs-Pugh Score \>11 * Moribund and not expected to survive an additional 24 hours * Actively withdrawing life support or transitioning to comfort measures only * Unwillingness of treating physician to employ conservative fluid strategy

Design outcomes

Primary

MeasureTime frameDescription
ICU-free Days to 14 Days After Enrollment14 daysThe primary outcome will be the number of ICU-free days to day 14 (defined as the number days alive and outside of the intensive care unit in the first 14 days after enrollment).

Secondary

MeasureTime frameDescription
Highest Plasma Creatinine Between Enrollment and 28 Days After Enrollment28 daysHighest plasma creatinine (mg/dL) between enrollment and 28 days after enrollment, censored at hospital discharge
Ventilator-free Days to Day 1414 daysA secondary outcome will be the number of ventilator-free days (defined as the number of days alive and breathing unassisted after the final achievement of unassisted breathing before day 14)
Receipt of Renal Replacement Therapy28 daysreceipt of renal replacement therapy between enrollment and the first of 28 days or hospital discharge
Renal Replacement Therapy-free Days to Day 1414 daysRenal replacement therapy-free days to day 14 (defined as the number of days alive and free of renal replacement therapy from the last receipt of renal replacement therapy after enrollment to study day 14)
Highest Stage of Acute Kidney Injury28 daysHighest stage of acute kidney injury as defined according to Kidney Disease Improving Global Outcomes (KDIGO) criteria Stage 0 (no acute kidney injury) Stage 1 Serum creatinine 1.5-1.9 times baseline or ≥0.3 mg/dl (≥26.5 mmol/l) increase or Urine output \<0.5 ml/kg/h for 6-12 hours Stage 2 Serum creatinine 2.0-2.9 times baseline or \<0.5 ml/kg/h for ≥12 hours Stage 3 Serum creatinine 3.0 times baseline or Increase in serum creatinine to ≥4.0 mg/dl (≥353.6 mmol/l) or Initiation of renal replacement therapy or in patients \<18 years, decrease in eGFR to \<35 ml/min per 1.73 m² or Urine output \<0.3 ml/kg/h for ≥24 hours or anuria for ≥12 hours
In-hospital Mortality to Day 1414 daysA secondary outcome will be in-hospital mortality to day 14 (defined as the incidence of mortality prior to hospital discharge within 14 days after enrollment).

Countries

United States

Participant flow

Participants by arm

ArmCount
Usual Care
Patients in the usual care arm will be managed exclusively by their treating clinician without input from study personnel.
15
Conservative Fluid Management Strategy
For patients in the conservative fluid management arm, beginning 12 hours after admission to study ICU and ending at the first of ICU discharge, death, return to home inspired oxygen, or study day 14, fluid management will be controlled by a study protocol. Patients in shock will receive fluid boluses only as specified by the protocol for oliguria and rapidly increasing vasopressor requirement. Patients not in shock will receive fluid boluses only as specified by the protocol for oliguria. Output will exceed input each day using a diuretic drip if required. Study protocol will be held only for pre-specified Safety Endpoints of persistent oliguria, decompensating shock, diuretic side effect, and intervening acute event.
15
Total30

Baseline characteristics

CharacteristicConservative Fluid Management StrategyTotalUsual Care
Age, Continuous61 years63 years65 years
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants2 Participants1 Participants
Race (NIH/OMB)
White
14 Participants28 Participants14 Participants
Sex: Female, Male
Female
8 Participants15 Participants7 Participants
Sex: Female, Male
Male
7 Participants15 Participants8 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
4 / 153 / 15
other
Total, other adverse events
0 / 150 / 15
serious
Total, serious adverse events
0 / 150 / 15

Outcome results

Primary

ICU-free Days to 14 Days After Enrollment

The primary outcome will be the number of ICU-free days to day 14 (defined as the number days alive and outside of the intensive care unit in the first 14 days after enrollment).

Time frame: 14 days

ArmMeasureValue (MEDIAN)
Usual CareICU-free Days to 14 Days After Enrollment9 days
Conservative Fluid Management StrategyICU-free Days to 14 Days After Enrollment11 days
Secondary

Highest Plasma Creatinine Between Enrollment and 28 Days After Enrollment

Highest plasma creatinine (mg/dL) between enrollment and 28 days after enrollment, censored at hospital discharge

Time frame: 28 days

ArmMeasureValue (MEDIAN)
Usual CareHighest Plasma Creatinine Between Enrollment and 28 Days After Enrollment2.3 mg/dL
Conservative Fluid Management StrategyHighest Plasma Creatinine Between Enrollment and 28 Days After Enrollment1.3 mg/dL
Secondary

Highest Stage of Acute Kidney Injury

Highest stage of acute kidney injury as defined according to Kidney Disease Improving Global Outcomes (KDIGO) criteria Stage 0 (no acute kidney injury) Stage 1 Serum creatinine 1.5-1.9 times baseline or ≥0.3 mg/dl (≥26.5 mmol/l) increase or Urine output \<0.5 ml/kg/h for 6-12 hours Stage 2 Serum creatinine 2.0-2.9 times baseline or \<0.5 ml/kg/h for ≥12 hours Stage 3 Serum creatinine 3.0 times baseline or Increase in serum creatinine to ≥4.0 mg/dl (≥353.6 mmol/l) or Initiation of renal replacement therapy or in patients \<18 years, decrease in eGFR to \<35 ml/min per 1.73 m² or Urine output \<0.3 ml/kg/h for ≥24 hours or anuria for ≥12 hours

Time frame: 28 days

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Usual CareHighest Stage of Acute Kidney InjuryNo acute kidney injury5 Participants
Usual CareHighest Stage of Acute Kidney InjuryStage I0 Participants
Usual CareHighest Stage of Acute Kidney InjuryStage II4 Participants
Usual CareHighest Stage of Acute Kidney InjuryStage III6 Participants
Conservative Fluid Management StrategyHighest Stage of Acute Kidney InjuryStage III3 Participants
Conservative Fluid Management StrategyHighest Stage of Acute Kidney InjuryNo acute kidney injury6 Participants
Conservative Fluid Management StrategyHighest Stage of Acute Kidney InjuryStage II3 Participants
Conservative Fluid Management StrategyHighest Stage of Acute Kidney InjuryStage I2 Participants
Secondary

In-hospital Mortality to Day 14

A secondary outcome will be in-hospital mortality to day 14 (defined as the incidence of mortality prior to hospital discharge within 14 days after enrollment).

Time frame: 14 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Usual CareIn-hospital Mortality to Day 144 Participants
Conservative Fluid Management StrategyIn-hospital Mortality to Day 143 Participants
Secondary

Receipt of Renal Replacement Therapy

receipt of renal replacement therapy between enrollment and the first of 28 days or hospital discharge

Time frame: 28 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Usual CareReceipt of Renal Replacement Therapy1 Participants
Conservative Fluid Management StrategyReceipt of Renal Replacement Therapy1 Participants
Secondary

Renal Replacement Therapy-free Days to Day 14

Renal replacement therapy-free days to day 14 (defined as the number of days alive and free of renal replacement therapy from the last receipt of renal replacement therapy after enrollment to study day 14)

Time frame: 14 days

ArmMeasureValue (MEDIAN)
Usual CareRenal Replacement Therapy-free Days to Day 1414 days
Conservative Fluid Management StrategyRenal Replacement Therapy-free Days to Day 1414 days
Secondary

Ventilator-free Days to Day 14

A secondary outcome will be the number of ventilator-free days (defined as the number of days alive and breathing unassisted after the final achievement of unassisted breathing before day 14)

Time frame: 14 days

ArmMeasureValue (MEDIAN)
Usual CareVentilator-free Days to Day 1413 days
Conservative Fluid Management StrategyVentilator-free Days to Day 1412 days

Source: ClinicalTrials.gov · Data processed: Feb 22, 2026