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Article type: Review Article
Authors: Siegel, Andrew M.a; * | Barrett, Marna S.a | Bhati, Mahendra T.b
Affiliations: [a] Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA | [b] Departments of Psychiatry and Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
Correspondence: [*] Correspondence to: Andrew M. Siegel, MD, Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, 3535 Market Street, Second Floor Philadelphia, PA 19104, USA. Tel.: +1 215 662 2815; Fax: +1 215 573 5668; E-mail: [email protected].
Abstract: Deep brain stimulation (DBS) is an invasive neuromodulation modality that has shown early promise as a novel treatment of Alzheimer’s disease (AD). Further clinical research is warranted on the basis of positive results from animal and human studies, as well as the inadequacy of existing treatments in reducing the enormous medical and financial costs of untreated AD. Nevertheless, unique ethical challenges require particular attention to elements of subject enrollment and informed consent. Study protocols should specify robust assessment and regular monitoring of subject decision-making capacity to consent to trial participation. Investigators should also assess for and mitigate therapeutic misconception (the phenomenon whereby a research participant conflates the goals of research with those of clinical treatment) and ensure that all prospective trial participants have adequate post-trial access to treatment and DBS device maintenance. In the following discussion, each issue is summarized and followed by recommendations for proper ethical procedure. We conclude by assimilating relevant ethical considerations into a decision-making algorithm designed to aid future clinical investigators of DBS for AD with the task of ethical subject enrollment.
Keywords: Advance directive, Alzheimer’s disease, deep brain stimulation, informed consent, research ethics
DOI: 10.3233/JAD-160356
Journal: Journal of Alzheimer's Disease, vol. 56, no. 2, pp. 429-439, 2017
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