NAD Therapy for Improving Memory and Brain Blood Flow in Older Adults With Mild Cognitive Impairment
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ClinicalTrials.gov Identifier: NCT03482167 |
Recruitment Status :
Recruiting
First Posted : March 29, 2018
Last Update Posted : August 31, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Mild Cognitive Impairment | Drug: Niagen® Other: Placebo | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 58 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Masking Description: | Double-blind |
Primary Purpose: | Treatment |
Official Title: | NAD Therapy for Improving Memory and Brain Blood Flow in Older Adults With Mild Cognitive Impairment |
Actual Study Start Date : | December 1, 2018 |
Estimated Primary Completion Date : | December 31, 2023 |
Estimated Study Completion Date : | December 31, 2023 |

Arm | Intervention/treatment |
---|---|
Placebo Comparator: Placebo
placebo
|
Other: Placebo
placebo |
Experimental: Nicotinamide Riboside
Niagen® (ChromaDex, Inc.) 500 mg, twice daily
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Drug: Niagen®
250 mg capsules (4 capsules daily)
Other Name: nicotinamide riboside chloride |
- Change from baseline in cognitive scores at 12 weeks [ Time Frame: baseline and 12 weeks ]change in one or more domains of cognitive function including: episodic memory, attention, working memory, processing speed, executive function and language abilities from baseline
- Change from baseline in cerebrovascular reactivity at 12 weeks [ Time Frame: baseline and 12 weeks ]Cerebrovascular reactivity to hypercapnia
- Change from baseline in total brain blood flow at 12 weeks [ Time Frame: baseline and 12 weeks ]Total brain blood flow
- Change from baseline in aortic stiffness at 12 weeks [ Time Frame: baseline and 12 weeks ]Carotid-femoral pulse wave velocity (CFPWV)
- Change from baseline in blood pressure at 12 weeks [ Time Frame: baseline and 12 weeks ]systolic and diastolic blood pressure
- Change from baseline in neurovascular coupling at 12 weeks [ Time Frame: baseline and 12 weeks ]Cerebrovascular reactivity to cognitive tasks
- Change from baseline in functional brain connectivity at 12 weeks [ Time Frame: baseline and 12 weeks ]functional brain connectivity assessed by MRI
- Change from baseline in neuronal activation at 12 weeks [ Time Frame: baseline and 12 weeks ]Functional MRI (fMRI) to cognitive task
- Change from baseline in brain volume at 12 weeks [ Time Frame: baseline and 12 weeks ]White and grey matter volume assessed by structural MRI

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Ages Eligible for Study: | 60 Years to 90 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
- Cognitive function scores consistent with amnestic mild cognitive impairment based on pre-screening evaluation;
- age 60-90 years;
- MMSE score >24 at time of initial consent;
Exclusion Criteria
- blood chemistries indicative of abnormal renal, liver, thyroid and adrenal function; estimated glomerular filtration rate using the MDRD prediction equation must be >30 ml/min/1.73 m2;
- any clinically significant abnormal blood chemistry values as determined by the research nurse or NMPCC nurse practitioner;
- major psychiatric disorder (e.g. schizophrenia, bipolar disorder, major depression within past two years);
- neurological or autoimmune conditions affecting cognition (e.g. Parkinson's disease, epilepsy, multiple sclerosis, mild or severe traumatic brain injury, large vessel infarct);
- concussion within last 2 years and ≥ 3 lifetime concussions;
- current systemic medical illnesses (e.g. cardiovascular disease, cancer, renal failure);
- prior history of any type of cancer;
- substance abuse or dependence (DSM-V criteria);
- current use of medications used to treat dementia (e.g., anticholinesterase drugs) or other drugs likely to affect cognition (e.g., anticholinergic drugs, long-acting benzodiazepines);
- claustrophobia, metal implants, pacemaker or other factors affecting feasibility and/or safety of MRI scanning*;
- current smoking (including marijuana) within the past 3 months;
- hospitalization as a result of COVID-19

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03482167
Contact: Catherine Awad, B.S. | 302-831-8137 | chs-novalab@udel.edu |
United States, Delaware | |
Neurovascular Aging Laboratory | Recruiting |
Newark, Delaware, United States, 19713 | |
Contact: Christopher R Martens, Ph.D. 302-831-7270 chs-novalab@udel.edu | |
Principal Investigator: Christopher R Martens, Ph.D. |
Principal Investigator: | Christopher R Martens, Ph.D. | University of Delaware |
Responsible Party: | Christopher Martens, Assistant Professor, University of Delaware |
ClinicalTrials.gov Identifier: | NCT03482167 |
Other Study ID Numbers: |
1079271 K01AG054731 ( U.S. NIH Grant/Contract ) |
First Posted: | March 29, 2018 Key Record Dates |
Last Update Posted: | August 31, 2022 |
Last Verified: | August 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
blood pressure arterial stiffness cerebrovascular function cognitive function |
Cognitive Dysfunction Cognition Disorders Neurocognitive Disorders Mental Disorders Niacinamide |
Vitamin B Complex Vitamins Micronutrients Physiological Effects of Drugs |