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Article History

Received: 29 January 2018

Accepted: 20 March 2018

First Online: 2 April 2018

Ethics approval and consent to participate

: The University of Kansas Medical Center IRB has reviewed and approved implementation of this study. The PI and research staff including Project Director and Research Associate will participate in recruitment of subjects (patients with diastolic heart failure, or HFpEF). Patients with HFpEF will be asked for permission to be contacted, have the study explained, be invited to participate, and be provided written informed consent. The potential subjects will be informed that the purpose of the study is to examine the effects of oral ubiquinol, D-ribose, or a combination of the two in treating patients with HFpEF. Consent forms will be given to all subjects and their signatures will be obtained and witnessed, if they agree to participate. The consent forms will include a description of the study, nature of the data collection, the potential benefits and adverse reactions anticipated, and the methods used to ensure confidentiality. The standard care of subjects will not be changed, withdrawn, or reduced for any subject in this study.

: Not applicable.

: The authors declare that they have no competing interests.

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