Patient-reported outcomes on sleep quality and circadian rhythm during treatment with intravenous ketamine for treatment-resistant depression.

"Declarations Ethics approval and consent to participate: This study was approved by the University of Alberta Health Research Ethics Board Pro00094438. Written informed consent was completed by all study participants.Consent for publication: All participants signed written informed consent to participate in the study, which also indicated that anonymized data collected would be used for research dissemination, including potential publication.Author contributions:Raymond Yan: Data curation; Investigation; Methodology; Resources; Writing – original draft; Writing – review & editing.Tyler Marshall: Data curation; Formal analysis; Resources; Software; Writing – original draft; Writing – review & editing.Atul Khullar: Conceptualization; Data curation; Methodology; Supervision; Visualization; Writing – review & editing.Travis Nagle: Investigation; Resources; Writing – review & editing.Jake Knowles: Investigation; Resources; Writing – review & editing.Mai Malkin: Investigation; Resources; Writing – review & editing.Brittany Chubbs: Investigation; Resources; Writing – review & editing.Jennifer Swainson: Conceptualization; Methodology; Project administration; Resources; Supervision; Visualization; Writing – review & editing.Funding: The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: T. Marshall received a small grant from the University of Alberta Department of Psychiatry for statistical analysis and the publication fee was funded by the Department of Psychiatry at the University of Alberta.Competing interests: JS has previously received speaking or advisory honoraria from Bausch, Eisai, Janssen, Lundbeck, Abbvie, Otsuka, Newly Institute. AK has previously received speaking or advisory honoraria from Bausch, Eisai, Lundbeck, Abbvie, Newly Institute, Jazz, Paladin, Otsuka, Pfizer, Paladin, Axsome, Jazz. TM received consulting statistician fees from University of Alberta, Department of Psychiatry.Availability of data and materials: Not applicable. Competing interests: JS has previously received speaking or advisory honoraria from Bausch, Eisai, Janssen, Lundbeck, Abbvie, Otsuka, Newly Institute. AK has previously received speaking or advisory honoraria from Bausch, Eisai, Lundbeck, Abbvie, Newly Institute, Jazz, Paladin, Otsuka, Pfizer, Paladin, Axsome, Jazz. TM received consulting statistician fees from University of Alberta, Department of Psychiatry."

"Funding: The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: T. Marshall received a small grant from the University of Alberta Department of Psychiatry for statistical analysis and the publication fee was funded by the Department of Psychiatry at the University of Alberta."