- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05541068
Bioimpedance in Overweight and Obese Patients With Acute Heart Failure
The Role of Bioimpedance Analysis in Overweight and Obese Patients With Acute Heart Failure: A Pilot Study
Patients with heart failure (HF) have poor prognosis with high mortality and readmission rates. Diuretic therapy is the usual way of managing congestion, but sometimes is difficult to determine when we have reached euvolemia. Even in overweight and obese patients in which physical examination and usual diagnostic techniques have strong limitations. The aim of this study is to investigate the usefulness of bioelectrical impedance analysis (BIA) in management and treatment of HF in overweight and obese patients.
The study included overweight and obese patients who were admitted with acute decompensated HF. The study population was randomized into two arms: BIA-guided therapy or standard care. Serum electrolytes, kidney functions and natriuretic peptides were followed up during their hospital stay and at 90 days after discharge.
The primary endpoint was development of acute kidney injury (AKI) stage III (AKIN-III) during hospitalization and the main secondary endpoint was the reduction of NT-proBNP (N-terminal pro-B-type natriuretic peptide) levels during hospitalization and within 90 days after discharge.
Study Overview
Detailed Description
Design: This study was designed as a single-center, single-blind, randomized controlled trial conducted at Hospital Fundación Jimenez Diaz (Madrid, Spain) from February 2020 to December 2021. It is a pilot study which has the objective of obtaining significant results in order to conduct a major research in the future with the purpose of including broadly the use of BIA in HF management. This study was approved by an institutional review committee and performed under Helsinki Declaration Guidelines. All patients provided written informed consent to participate.
Study Procedures All patients included in the study were measured weight and height at admission, and blood tests with hemogram and serum biochemistry including cardiac biomarkers such as NT-proBNP and troponin I were also ordered.
In the first 24 hours after admission an echocardiogram, a lung ultrasound (LUS) and a BIA were done in all patients. BIA was always performed by nephrologists from our hospital not involved in the patient's clinical care. BIA analysis to achieve assessments of fluid status, especially dry-weight, was performed with the portable Biomasc touch i8 (MaltronInternationl, Essex, UK). During the hospitalization period, blood parameters were measured according to standard clinical practice in all patients, with the condition of taking a blood chemistry including NT-proBNP on the day of discharge.
All patients were followed up for 90 days with a new complete blood test including NT-proBNP.
Eligible patients were randomized into two groups:
- Group I (study arm): included 24 patients who received a diuretic treatment guided by BIA. These patients were discharged when dry-weight was achieved according to BIA measurements if there was none clinical condition which justified the hospitalization.
- Group II (control arm): included 24 patients who received the standard clinical practice. In those patients, BIA parameters were not known by the physician responsible. These patients were discharged when they achieved the euvolemic state based in the criteria of their physician.
Outcomes Given the pilot nature of the study the investigators looked for a feasible, clinically meaningful, in-hospital outcome. Development of acute kidney injury (AKI) during hospitalization, defined as an increase in serum creatinine by >0.5 mg/dL (AKIN classification stage III), was the primary outcome. Patients were followed for at least 3 months after discharge. The first secondary outcome was the percentage of patients who achieved levels of NT-proBNP levels <1.000 pg/mL within 90 days after discharge.
Additional secondary outcomes included length of stay in hospital, NT-proBNP reduction >30% during hospitalization, and the combined endpoint of all-cause death, rehospitalization for HF or visit to the ED (emergency department) because of congestion symptoms measured at 90 days after discharge. Patients were contacted by telephone or returned for hospital or outpatient visits.
Statistical analysis Discrete variables were summarized as counts and percentages. Continuous variables were described using median and interquartile range (IQR)and were tested for normality using the Kolmogorov-Smirnov or Shapiro-Wilk test.Baseline characteristics were compared among standard treatment vs BIA-guided treatment with the chi-square test or Fisher´s test for discrete variables, and with Student´s t test and non-parametric Mann-Whitney test for normally and non-normally distributed quantitative variables respectively. Primary and secondary outcomes were also compared between both treatment groups using a chi-square test for independence.Results of these analyses were considered exploratory to study future differences between the groups in terms of time to first adverse outcome or event-free survival. A two-sided P value of less than 0.05 was considered to be statistically significant for all analyses. All statistical analyses were performed using SPSS for Windows Version 19.0 (IBM Corp, Armonk NY).
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Madrid, Spain, 28040
- Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Hospitalized for Acute Heart Failure (first episode or decompensation), based on Framingham criteria and NT-ProBNP>300 pg/ml
- Body mass index greater than or equal to 25 kg/m2 at admission.
Exclusion Criteria:
- Hemodynamic instability,
- Chronic kidney disease with estimated glomerular filtration rate (eGFR) <15 ml/min/1.73m2, Pregnancy,
- Amputated patients,
- Chronic treatment with corticosteroids,
- Severe valvular heart disease with indication for intervention,
- Dementia or life-expectancy of 1 year or less with high probability for noncompliance with the study protocol.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: SUPPORTIVE_CARE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Guided by bioimpedance analysis
These patients were discharged when dry-weight was achieved according to BIA measurements if there was none clinical condition which justified the hospitalization.
|
Bioimpedance analysis to achieve assessments of fluid status, especially dry-weight, was performed with the portable Biomasc touch i8 (MaltronInternationl, Essex, UK).
|
ACTIVE_COMPARATOR: Control arm
In those patients, BIA parameters were not known by the physician responsible.
These patients were discharged when they achieved the euvolemic state based in the criteria of their physician
|
Bioimpedance analysis to achieve assessments of fluid status, especially dry-weight, was performed with the portable Biomasc touch i8 (MaltronInternationl, Essex, UK).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Development of acute kidney injury
Time Frame: Through hospitalization, an average of 7 days
|
Rate of patients with acute kidney injury (AKI) during hospitalization, defined as an increase in serum creatinine by >0.5 mg/dL (AKIN classification stage III)
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Through hospitalization, an average of 7 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
levels of NT-proBNP levels <1.000 pg/mL
Time Frame: 90 days after discharge.
|
Percentage of patients who achieved levels of NT-proBNP levels <1.000 pg/mL within 90 days after discharge.
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90 days after discharge.
|
Length of stay in hospital.
Time Frame: Through hospitalization, an average of 7 days
|
Length of stay in hospital.
|
Through hospitalization, an average of 7 days
|
NT-proBNP reduction >30% during hospitalization
Time Frame: Through hospitalization, an average of 7 days
|
Rate of patients with NT-proBNP reduction >30% during hospitalization
|
Through hospitalization, an average of 7 days
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The combined endpoint of all-cause death, rehospitalization for HF or visit to the ED because of congestion symptoms measured at 90 days after discharge
Time Frame: 90 days after discharge.
|
The combined endpoint of all-cause death, rehospitalization for HF or visit to the ED
|
90 days after discharge.
|
Collaborators and Investigators
Investigators
- Principal Investigator: Ana Maria Pello, MD, PhD, Fundacion Jimenez Diaz University Hospital, IIS-FJD
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PIC172-19_FJD
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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