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Sponsors and Collaborators: |
Taipei City Psychiatric Center, Taiwan Department of Health, Taiwan |
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Information provided by: | Taipei City Psychiatric Center, Taiwan |
ClinicalTrials.gov Identifier: | NCT00628017 |
This preliminary study is aimed to investigate whether it is feasible to conduct a study to use fish oil compared to the placebo(olive oil) in people with cognitive impairment. We will also explore whether fish oil has better efficacy in some clinical aspects in people with cognitive impairment during 24 weeks intervention. The major clinical outcome will be:
Condition | Intervention |
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Alzheimer's Disease Mild Cognitive Impairment |
Dietary Supplement: omega-3 polyunsaturated fatty acids ( EPA+DHA) |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Safety/Efficacy Study |
Official Title: | The Effects of Omega-3 Fatty Acids Monotherapy in Alzheimer's Disease and Mild Cognitive Impairment: a Preliminary Randomized Double-Blind Placebo-Controlled Study |
Enrollment: | 46 |
Study Start Date: | January 2003 |
Study Completion Date: | March 2005 |
Primary Completion Date: | March 2005 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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1: Experimental
omega-3 PUFAs(180mg eicosapentaenoic acid[EPA] + 120mg docosahexaenoic acid[DHA]/capsule), 3 capsules twice daily, total daily omega-3 fatty acid dosage of 1080 mg of EPA and 720 mg of DHA
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Dietary Supplement: omega-3 polyunsaturated fatty acids ( EPA+DHA)
Group 1 received omega-3 PUFAs as 3 capsules twice daily (total daily omega-3 fatty acid dosage of 1080 mg of EPA and 720 mg of DHA). Group 2 received three identical placebo capsules twice daily which contained olive oil esters. Identical gelatin capsules were used. Both treatment and placebo capsules were vacuum deodorized and supplemented with tertiary-butyl hydroquinone, 0.2 mg/g, and tocopherols, 2 mg/g, as antioxidants. The source of the omega-3 fatty acids was menhaden fish body oil concentrate.
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2: Placebo Comparator
three identical placebo capsules twice daily which contained olive oil esters.
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Dietary Supplement: omega-3 polyunsaturated fatty acids ( EPA+DHA)
Group 1 received omega-3 PUFAs as 3 capsules twice daily (total daily omega-3 fatty acid dosage of 1080 mg of EPA and 720 mg of DHA). Group 2 received three identical placebo capsules twice daily which contained olive oil esters. Identical gelatin capsules were used. Both treatment and placebo capsules were vacuum deodorized and supplemented with tertiary-butyl hydroquinone, 0.2 mg/g, and tocopherols, 2 mg/g, as antioxidants. The source of the omega-3 fatty acids was menhaden fish body oil concentrate.
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Despite some positive findings from observational and animal studies, the effects of n-3 PUFA administration on cognitive impairment in humans have received little evaluation to date. Although some clinical trials of fish oil have been reported, the results are inconsistent. Given these inconsistent findings, we carried out a preliminary study to investigate the effect of fish oil monotherapy on cognitive function and general clinical condition in patients with cognitive impairment.
Ages Eligible for Study: | 55 Years to 90 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Taiwan | |
Taipei City Psychiatric Center, Taipei City Hospital | |
Taipei, Taiwan, 110 |
Principal Investigator: | Chih-Chiang Chiu, M.D. | Department of Psychiatry, Taipei Psychiatric Center, Taipei City Hospital, Taipei, Taiwan |
Principal Investigator: | Shih-Yi Huang, PhD. | School of Nutrition and Health Sciences, Taipei Medical University, Taiwan |
Responsible Party: | Department of Psychiatry, Taipei City Psychiatric Center, Taipei City Hospital ( Chih-Chiang Chiu, M.D. ) |
Study ID Numbers: | DOH-92-TD-1095 |
Study First Received: | February 24, 2008 |
Last Updated: | February 24, 2008 |
ClinicalTrials.gov Identifier: | NCT00628017 |
Health Authority: | Taiwan: Department of Health |
polyunsaturated fatty acids Alzheimer's disease mild cognitive impairment fish oil cognition |
Tocopherol acetate Hydroquinone Alzheimer Disease Central Nervous System Diseases Brain Diseases Neurodegenerative Diseases Cognition Disorders |
Alpha-Tocopherol Tocopherols Vitamin E Delirium, Dementia, Amnestic, Cognitive Disorders Mental Disorders Dementia Delirium |
Nervous System Diseases Tauopathies |