A Phase 4 interventional study of Torsemide and Standard Outpatient Heart Failure Management in Heart Failure, sponsored by New York City Health and Hospitals Corporation. Completed at 1 site in United States. Open to participants aged 18 Years to 90 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-03-15.
Sponsored by New York City Health and Hospitals Corporation · Phase 4, Interventional, and Treatment
This study will be a randomized open-label pilot study. The purpose of the study is to compare standard of care outpatient heart failure management versus a weight based torsemide regimen. Subjects admitted to the hospital for heart failure exacerbation will be randomized upon discharge to either standard of care outpatient heart failure management or a weight based torsemide regimen. Those subjects randomized to standard of care therapy will be prescribed a daily fixed dose of a loop diuretic at hospital discharge and have a follow-up appointment within one week of discharge. All management decisions including loop diuretic type, dose and frequency will be made at the discretion of the subject's personal physician. Those randomized to an individualized weight based torsemide regimen will be prescribed a dose of torsemide upon hospital discharge based on a prespecified algorithm. These subjects will then undergo physician-subject phone encounters three times a week where the subject's torsemide dose will be modified based on the prespecified algorithm which incorporates current symptoms and weight. Primary end-point will be an unbiased estimate of 30-day all cause readmission rates. Secondary end-points include incidence of acute kidney injury, changes in brain natriuretic peptide levels from baseline and a preliminary estimate of the effect size and feasibility of a weight-based torsemide regimen intervention in order to plan a future larger study.
This study will be an open-label parallel randomized pilot study comparing an individualized weight-based torsemide dosing regimen vs. standard outpatient management in patients with a diagnosis of heart failure.The study will include consenting subjects who are admitted to Jacobi Medical Center with heart failure and were treated with loop diuretic therapy during hospitalization. Prior to discharge, these subjects will be randomized to one of two groups, either an individualized weight-based torsemide regimen group vs. a standard heart failure management group.
After randomization, all subjects will undergo an initial assessment prior to discharge. All subjects will be examined, weighed and assigned a composite congestion score (CCS). CCS is a measurement of current fluid status that has been shown to correlate with clinical outcomes in heart failure patients (19). It assesses a patient's signs and symptoms of congestion, including dyspnea, orthopnea, fatigue, jugular venous distention, rales and peripheral edema. Each category is given a score from 0-3, 0=none, 1=mild,2=moderate and 3=severe. Each subject is given a final composite score for their current volume status.
After discharge, those randomized to standard care will receive standard heart failure care as currently provided in our institution. This routinely includes, but is not limited to, an appointment with their primary care physician within one week of discharge, nutrition consultation, and social work evaluation with support services provided as determined by the social worker. At discharge, all heart failure medication changes including diuretic type, dose and frequency, as well as further management decisions, will be left to the discretion of the subject and the subject's doctors. Those who will be randomized to the individualized weight-based torsemide regimen will be given a standup home scale and torsemide 20mg tabs in a bottle with 100 tablets.
An initial torsemide dose will be assigned based on the patient's GFR and CCS at discharge. These subjects will then have a phone encounter with a physician three times a week where subjects will be instructed to modify the torsemide dose based on their current weight. Patients will be instructed to weigh themselves at the same time of the day, postvoid, prior to eating, prior to the medication dose, and while wearing the same clothing for consistency. The scales should stand on a flat, solid surface rather than carpets unless specifically designed for use in that setting. All phone call encounters and loop diuretic changes will be based on the pre-specified algorithm. These subjects will also receive all the same care and support as a standard subject, including the primary care appointment in one week and other support services, except with instructions to the subject and provider to follow the loop diuretic recommendations from this protocol. Subjects who have been instructed to take more than 80 torsemide 20mg tablets will receive a delivery of 100 additional torsemide 20mg tablets.
All subjects in the study will have follow up visit at week 5 from discharge date. Total diuretic use during the study period will be assessed and current symptoms/quality of life will be evaluated using the Kansas City Cardiomyopathy Questionnaire. The patient will receive a physical examination including a final weight and calculation of composite congestion score. Serum B-type natriuretic peptide (BNP) will be obtained as well as a basic metabolic panel and serum magnesium level to assess for electrolyte disturbances and changes in kidney function. Intervention group subjects will have a count of the remaining number of torsemide tablets in the bottle of torsemide given to them at discharge. Compliance with the algorithm will be assessed by comparing the number of remaining tablets with the number of tablets prescribed during the study. Subjects whose follow-up visit occurs over 45 days after the date of hospital discharge for the enrollment hospitalization shall be deemed to be late for follow-up. Acute kidney injury (AKI) will be defined as an increase in serum creatinine concentration of 0.3 at the five-week follow-up visit compared to the final serum creatinine level measured during hospitalization. Adherence will be measured by comparing the number of tablets in the subject's torsemide supply to the number of expected tablets in the torsemide supply. Adherence will be defined as a tablet count consistent with the subject having taken 88% or more of the expected torsemide tablets
5,697 studies on the registry are indexed under Heart Failure; 1,219 are open to participants now.
This study's enrollment of 52 is below the median of 72 across 3,733 interventional studies indexed under Heart Failure.
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Exclusion Criteria:
Subjects will be randomized to complete a weight-based torsemide dosing regimen for their outpatient heart failure management. These subjects will prescribed a specified dose of torsemide on discharge from the hospital and subsequently have a phone encounter with a physician three times a week where their dose of torsemide will be titrated based on an algorithm which factors in current symptoms and weight. Study subjects will have a final follow-up appointment at the completion of the study to evaluate current symptoms, weight and perform blood work to assess kidney function, electrolytes and brain natriuretic peptide levels.
Drug: Torsemide
Subjects will be randomized to standard outpatient heart failure management where they will be prescribed a fixed daily dose of a loop diuretic upon discharge from the hospital and have a follow-up appointment within one week of discharge. All medications including loop diuretic type, dose and frequency will be managed at the discretion of the patient's primary care physician or cardiologist. Study subjects will have a final follow-up appointment at the completion of the study to evaluate current symptoms, weight and perform blood work to assess kidney function, electrolytes and brain natriuretic peptide levels.
Other: Standard Outpatient Heart Failure Management
These subjects who are randomized to a weight-based torsemide regimen will be instructed via phone encounters three times per week to take an individualized dose of torsemide based on their current weight and symptoms. These subjects will have a follow-up study appointment at week 5 for a final weight and blood work to assess kidney function, electrolytes and brain-natriuretic peptide levels.
Also known as: Demadex
Those subjects randomized to standard outpatient management group will be prescribed a daily fixed dose of a loop diuretic upon discharge from the hospital. These subjects will have a follow-up appointment within one week of discharge where all medications including loop diuretic type, dose and frequency will be managed at the discretion of the subject's physician. These subjects will also have a follow-up study appointment at week 5 for a final weight and blood work to assess kidney function, electrolytes and brain-natriuretic peptide levels.
30-day all-cause readmission rate
To gain an unbiased estimate of 30-day all-cause hospital readmission rate with an individualized weight-based torsemide dosing regimen and with standard therapy
Time frame: 30 days from enrollment
Effect size of weight based torsemide regimen compared to standard therapy
To obtain a preliminary estimate of the effect size of an individualized weight-based torsemide regimen intervention using contemporaneous controls of standard care for planning a potential, larger future study
Time frame: 30 days from enrollment
Feasibility of a weight based torsemide regimen
To assess the feasibility of subjects to follow an individualized weight-based torsemide regimen as assessed by compliance with study medications, adhering to thrice weekly phone encounters and following medication dose modifications based on the study algorithm. Compliance with the study medication and algorithm will be assessed at the final study appointment by comparing the number of remaining torsemide tablets in the subject's pill box which was provided at the beginning of the study with the number of tablets prescribed during the study.
Time frame: 30 days from enrollment
Incidence of acute kidney injury (AKI)
To gain an unbiased estimate of AKI incidence, as defined by an increase serum creatinine by ≥0.3 mg/dL from baseline, with an individualized weight-based torsemide dosing regimen and with standard therapy
Time frame: 30 days from enrollment
Comparison of baseline changes of brain natriuretic peptide (BNP) levels
To compare changes in BNP(pg/mL) levels from baseline in subjects randomized to a weight-based torsemide regimen and those randomized to standard therapy
Time frame: 30 days from enrollment
Plan to share: No
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New York City Health and Hospitals Corporation