Heart Failure Clinical Trial

Mechanism and Effects of Manipulating Chloride Homeostasis in Acute Heart Failure

Summary

The purpose of this study is to understand the effects of chloride supplementation on volume-overloaded acute heart failure patients concomitantly treated with IV diuretics.

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Full Description

The overarching goal of this proposal is to develop a comprehensive understanding of the biology and therapeutic potential of sodium-free chloride supplementation. While sodium homeostasis has been the focus of substantial investigation, very little research has been devoted to understanding chloride homeostasis. Thus, this proposal is designed to obtain the full spectrum of information pertaining to chloride, such as novel areas with great interest by the scientific community (i.e. modulation of the WNK-kinase system and the use of exosomes), to more practical/basic questions (i.e. what happens to sodium chloride balance when a patient is challenged with chloride). The proposed outpatient study has been designed to serve as a real world efficacy study. With extensive biobanking and analysis of samples in the proposed setting, there is the potential to be able to deliver a great wealth of information on the biology and therapeutic potential of manipulating chloride homeostasis in heart failure.

Research confirms that many heart failure therapies demonstrate measurable benefit in highly controlled environments, but lack effectiveness when studied in decompensated patients receiving standard decongestive therapies. As such, this study seeks to understand the effects of chloride supplementation on volume-overloaded patients concomitantly treated with IV diuretics.

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Eligibility Criteria

Inclusion Criteria:

Clinical diagnosis of decompensated heart failure with at least one objective sign of volume overload (rales, edema, elevated jugular venous pressure (JVP), or weight gain of at least 5 pounds)
A projected need by the treating clinician for continued treatment with IV diuretics
Chronic loop diuretic use

Exclusion Criteria:

Inability to commit to or comply with serial visits for treatment in the Yale Transitional Care Center (YTCC)
History of severe metabolic or respiratory acidosis within 30 days of enrollment
Use of metformin, acetazolamide, or any other agent that could predispose to acidosis. Patients who are on metformin may be enrolled if their metformin can be discontinued safely for the duration of the study. Any participants who have consistently elevated Blood glucose readings > 200 mg/dL while inpatient will not be enrolled.
Serum bicarbonate level <20mmol/L
Estimated glomerular filtration rate <20 mL/min or renal replacement therapy
Appears unlikely, or unable to participate in the required study procedures, as assessed by the study PI or research registered nurse (RN) (ex: clinically-significant psychiatric, addictive, or neurological disease)
Inability to give written informed consent or follow study protocol

Study is for people with:

Heart Failure

Phase:

Early Phase 1

Estimated Enrollment:

50

Study ID:

NCT03446651

Recruitment Status:

Completed

Sponsor:

Yale University

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There is 1 Location for this study

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Yale University
New Haven Connecticut, 06510, United States

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Study is for people with:

Heart Failure

Phase:

Early Phase 1

Estimated Enrollment:

50

Study ID:

NCT03446651

Recruitment Status:

Completed

Sponsor:


Yale University

How clear is this clinincal trial information?

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