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NCT number NCT03423342
Study type Interventional
Source University of Washington
Contact Kevin D O'Brien, MD
Phone 206 685-3930
Status Recruiting
Phase Phase 1/Phase 2
Start date May 19, 2016
Completion date June 30, 2018

Clinical Trial Summary

Mitochondrial dysfunction has been implicated in heart failure (HF), and is associated with an imbalance in intracellular ratio of reduced nicotinamide-adenine dinucleotide (NADH) to oxidized nicotinamide-adenine dinucleotide (NAD), or the NADH/NAD ratio. In mouse models of HF, we have found that normalization of the NADH/NAD, through supplementation with NAD+ precursors, is associated with improvement in cardiac function. This Study will randomize participants with systolic HF (ejection fraction ≤40%) to treatment with the NAD precursor, nicotinamide riboside (NR) or matching placebo, uptitrated to a final oral dose of 1000mg twice daily, to determine the safety and tolerability of NR in participants with systolic HF.

Clinical Trial Description

Aim 1: Determine the safety and tolerability of NR in patients with clinically stable, systolic heart failure (LVEF <40%). To accomplish this Aim:

A) a total of 30 participants with clinically stable, systolic heart failure (LVEF <40%) will undergo 2:1 randomization to NR 250mg PO twice daily or matching placebo B) NR (or matching placebo), will be increased weekly by 250mg/dose (500mg/day) to a final dose of 1000mg PO twice daily. Clinic visits with labs bi-weekly during dose escalation will assess HF symptoms and monitor labs [B-type natriuretic peptide (BNP), complete blood count (CBC), glycosylated hemoglobin, alanine aminotransferase (ALT), creatine kinase (CK), insulin/glucose, uric acid, electrolytes, blood urea nitrogen (BUN) and creatinine (Cr).

C) to ensure intermediate-term safety and tolerability, participants will continue on their maximum tolerated dose (of NR or placebo) through Study Week 12

Aim 2: Determine whether, at the doses employed, NR and NAD are detectable in whole blood.

Aim 3 (Exploratory): Assess the range of potential effect sizes of NR on HF surrogate endpoints using:

A) Six-minute walk tests (6MWTs) at each visit (including Screening) to assess functional capacity B) Echocardiography at Baseline and Week 12 to assess LV systolic function (by real-time, 3D echocardiography) and diastolic function (by integrated Doppler and tissue Doppler imaging)

Study Design

Related Conditions & MeSH terms

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