Fish Oil and Alpha Lipoic Acid in Treating Alzheimer's Disease

NCT ID: NCT00090402

Last Updated: 2017-07-21

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

39 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-04-30

Study Completion Date

2007-08-31

Brief Summary

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The purpose of this study is to determine the effect of fish oil and the antioxidant alpha lipoic acid on factors in the blood that are associated with the progression of Alzheimer's Disease (AD).

Detailed Description

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Alzheimer's disease (AD) is a serious condition associated with increased inflammation, cholesterol, and oxidative stress (a condition involving an excess of free radicals and a decrease in antioxidant levels). Fish oil and alpha lipoic acid, which have few side effects, may help relieve these problems; therefore, these supplements may slow the progression of AD, particularly when given in combination. This study will evaluate the effect of fish oil and alpha lipoic acid on inflammation, lipid levels, and oxidative stress.

Participants in this study will be randomly assigned to receive fish oil alone, fish oil and alpha lipoic acid, or placebo for 1 year. AD rating scales as well as urine and blood tests will be used to assess participants. Participants will have monthly clinic visits during the study to monitor adverse events and to undergo various laboratory tests.

Conditions

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Alzheimer's Disease Oxidative Stress Dementia Hyperlipidemia Inflammation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Fish Oil Placebo & Lipoic Acid Placebo

Three 1-gram placebo-fish oil capsules (2 in the morning, 1 evening) plus one 600 milligram placebo-lipoic acid per day. Placebo fish oil capsules consisted of soybean oil flavored with lemon flavor and 5% fish oil to match fish oil capsules. LA placebo contained no LA and the following excipients: lactose, hypromellose, silicon dioxide, microcrystalline cellulose, polyethylene glycol, povidone, corn starch, talc, and magnesium stearate.

Group Type PLACEBO_COMPARATOR

Fish Oil Placebo

Intervention Type OTHER

Soybean oil placebo capsule

Lipoic Acid Placebo

Intervention Type OTHER

Lipoic acid (LA) placebo capsule containing no LA

Fish Oil Only

Three 1-gram fish oil concentrate capsules in triglyceride form (675 milligrams DHA and 975 milligrams EPA), 2 in the morning and 1 in the evening, plus one 600 milligram placebo-lipoic acid (containing no LA and the following excipients: lactose, hypromellose, silicon dioxide, microcrystalline cellulose, polyethylene glycol, povidone, corn starch, talc, and magnesium stearate) per day.

Group Type ACTIVE_COMPARATOR

Fish Oil

Intervention Type DIETARY_SUPPLEMENT

Fish oil capsule

Lipoic Acid Placebo

Intervention Type OTHER

Lipoic acid (LA) placebo capsule containing no LA

Fish Oil Plus Lipoic Acid

Three 1-gram placebo-fish oil capsules (2 in the morning, 1 evening) plus one 600 milligram lipoic acid (LA) capsule in the racemic form per day.

Group Type EXPERIMENTAL

Fish Oil

Intervention Type DIETARY_SUPPLEMENT

Fish oil capsule

Lipoic Acid

Intervention Type DIETARY_SUPPLEMENT

Lipoic acid capsule

Interventions

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Fish Oil

Fish oil capsule

Intervention Type DIETARY_SUPPLEMENT

Lipoic Acid

Lipoic acid capsule

Intervention Type DIETARY_SUPPLEMENT

Fish Oil Placebo

Soybean oil placebo capsule

Intervention Type OTHER

Lipoic Acid Placebo

Lipoic acid (LA) placebo capsule containing no LA

Intervention Type OTHER

Other Intervention Names

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Fish oil concentrate, omega-3 fatty acids thiotic acid, alpha lipoic acid Placebo (for fish oil) Placebo (for lipoic acid)

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of probable Alzheimer's Disease or mild cognitive impairment
* Mini Mental State Examination (MMSE) score between 18 and 26
* Clinical Dementia Rating (CDR) of 0.5 or 1.0
* Fluent in English

Exclusion Criteria

* Use of lipid lowering medications
* Consumption of fish of more than twice a week
* Use of omega and alpha lipoic acid supplements
* Use of systemic corticosteroids, neuroleptics, anti-Parkinsonian agents, or narcotic analgesics
* Depression
* Any other serious health conditions that may interfere with the study
* Enrollment in another clinical trial
Minimum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Institute on Aging (NIA)

NIH

Sponsor Role collaborator

National Center for Research Resources (NCRR)

NIH

Sponsor Role collaborator

Oregon Health and Science University

OTHER

Sponsor Role lead

Responsible Party

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Lynne Shinto

ND, MPH

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Lynne H. Shinto, ND

Role: PRINCIPAL_INVESTIGATOR

Oregon Health and Science University

Locations

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Oregon Health and Science University

Portland, Oregon, United States

Site Status

Countries

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United States

References

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Calon F, Lim GP, Yang F, Morihara T, Teter B, Ubeda O, Rostaing P, Triller A, Salem N Jr, Ashe KH, Frautschy SA, Cole GM. Docosahexaenoic acid protects from dendritic pathology in an Alzheimer's disease mouse model. Neuron. 2004 Sep 2;43(5):633-45. doi: 10.1016/j.neuron.2004.08.013.

Reference Type BACKGROUND
PMID: 15339646 (View on PubMed)

Morris MC, Evans DA, Bienias JL, Tangney CC, Bennett DA, Wilson RS, Aggarwal N, Schneider J. Consumption of fish and n-3 fatty acids and risk of incident Alzheimer disease. Arch Neurol. 2003 Jul;60(7):940-6. doi: 10.1001/archneur.60.7.940.

Reference Type BACKGROUND
PMID: 12873849 (View on PubMed)

Lovell MA, Xie C, Xiong S, Markesbery WR. Protection against amyloid beta peptide and iron/hydrogen peroxide toxicity by alpha lipoic acid. J Alzheimers Dis. 2003 Jun;5(3):229-39. doi: 10.3233/jad-2003-5306.

Reference Type BACKGROUND
PMID: 12897407 (View on PubMed)

Shinto L, Quinn J, Montine T, Dodge HH, Woodward W, Baldauf-Wagner S, Waichunas D, Bumgarner L, Bourdette D, Silbert L, Kaye J. A randomized placebo-controlled pilot trial of omega-3 fatty acids and alpha lipoic acid in Alzheimer's disease. J Alzheimers Dis. 2014;38(1):111-20. doi: 10.3233/JAD-130722.

Reference Type RESULT
PMID: 24077434 (View on PubMed)

Other Identifiers

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1R21AG023805-01

Identifier Type: NIH

Identifier Source: secondary_id

View Link

5R21AG023805-02

Identifier Type: NIH

Identifier Source: secondary_id

View Link

AG08017

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

M01RR000334

Identifier Type: NIH

Identifier Source: secondary_id

View Link

IA0062

Identifier Type: -

Identifier Source: org_study_id

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