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NMDA activation plays an important role in learning and memory. NMDA receptors were found to decrease in the frontal lobe and hippocampus of Alzheimer's disease and mild cognitive function impairment. This study is a randomized, double-blind, placebo-controlled drug trial. All patients will be allocated randomly to 2 groups: (1) NMDA enhancer: DAOI-B group (starting dose: 250-500 mg/d); (2) placebo group. The study period is 24 weeks. The investigators hypothesize that DAOI-B may yield better efficacy than placebo for cognitive function in patients with mild cognitive impairment or mild Alzheimer's disease.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| DAOI-B | Experimental |
| |
| Placebo | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| DAOI-B | Drug | 250-1500 mg/day, oral, for 24 weeks |
| |
| Placebo |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in Alzheimer's disease assessment scale-cognitive subscale in week 8, 16 and 24 | Week 0, 8, 16, 24 |
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in Mini Mental Status Examination at week 8, 16 and 24 | Week 0, 8, 16, 24 | |
| Change from baseline in Instrumental Activities of Daily Living at week 8, 16 and 24 | Week 0, 8, 16, 24 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Hsien-yuan Lane, MD, PhD | Departments of Psychiatry, China Medical University Hospital, Taichung, Taiwan | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kaohsiung Chang Gung Memorial Hospital | Kaohsiung | Taiwan | 886 | Taiwan |
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| ID | Term |
|---|---|
| D000544 | Alzheimer Disease |
| D060825 | Cognitive Dysfunction |
| ID | Term |
|---|---|
| D003704 | Dementia |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| Other |
placebo, oral, for 24 weeks |
|
| Change from baseline in Verbal learning and memory at week 24 | Week 0, 24 |
| Change from baseline in Digit Span subtest of the Wechsler Memory Scale at week 24 | Week 0, 24 |
| D024801 |
| Tauopathies |
| D019636 | Neurodegenerative Diseases |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |
| D003072 | Cognition Disorders |