NCT00117403

Brief Summary

The purpose of this study is to examine the safety and effectiveness of two anti-oxidant treatment regimens in patients with mild to moderate Alzheimer's disease. The anti-oxidant treatments include vitamin E + C + alpha-lipoic acid, and Coenzyme Q (CoQ).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
75

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Jan 2006

Geographic Reach
1 country

13 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 30, 2005

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 6, 2005

Completed
6 months until next milestone

Study Start

First participant enrolled

January 1, 2006

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2007

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2007

Completed
Last Updated

April 3, 2009

Status Verified

April 1, 2008

Enrollment Period

1.7 years

First QC Date

June 30, 2005

Last Update Submit

April 1, 2009

Conditions

Keywords

dementiaanti-oxidantbiomarkersalpha-tocopherolCoQ

Outcome Measures

Primary Outcomes (1)

  • effect on cerebrospinal fluid (CSF) biomarkers related to oxidative damage

    baseline and 4 months

Secondary Outcomes (1)

  • change in plasma and CSF concentrations of a-beta42 and a-beta40

    baseline and 4 months

Study Arms (3)

1

EXPERIMENTAL

vitamin E 800 IU, vitamin C 200 mg, and alpha-lipoic acid 600 mg formulated into three capsules, one capsule given three times per day with meals, plus two placebo wafers three times per day with meals

Drug: Vitamin E, Vitamin C, and Alpha-lipoic AcidDrug: Placebo wafers

2

EXPERIMENTAL

CoQ 400 mg, compounded as a wafer, two wafers three times per day with meals, plus one placebo capsule three times per day with meals

Drug: Coenzyme QDrug: Placebo capsules

3

PLACEBO COMPARATOR

two placebo wafers three times per day with meals, plus one placebo capsule three times per day with meals

Drug: Placebo capsulesDrug: Placebo wafers

Interventions

vitamin E 800 IU, vitamin C 200 mg, and alpha-lipoic acid 600 mg formulated into three capsules, one capsule given three times per day with meals

1

400 mg, compounded as a wafer, two wafers three times per day with meals

2

one placebo capsule three times per day with meals

23

two placebo wafers three times per day with meals

13

Eligibility Criteria

Age60 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Men or women aged 60-85, inclusive
  • Diagnosis of probable Alzheimer's disease
  • English-speaking; Spanish-speaking if individual site allows
  • Study partner or caregiver to assure compliance
  • Mini-Mental State Examination score at screening visit greater than 14
  • Female participants either surgically sterile or postmenopausal for over 1 year
  • Stable medical condition for 3 months prior to screening, with no significant abnormal liver, kidney, or blood studies
  • Stable medications for 4 weeks prior to screening
  • Able to take oral medications
  • Modified Hachinski Ischemic Index less than or equal to 4
  • CT or MRI since onset of memory impairment demonstrating the absence of a clinically significant focal lesion
  • Physically acceptable for this study as confirmed by medical history, physical exam, neurological exam, and clinical tests

You may not qualify if:

  • Significant neurologic disease such as Parkinson's disease, stroke, brain tumor, multiple sclerosis, or seizure disorder
  • Major depression in the past 12 months, major mental illness such as schizophrenia, or recent (in past 12 months) alcohol or substance abuse
  • History of invasive cancer within the past two years (excluding non-melanoma skin cancer)
  • Contra-indications to lumbar puncture
  • Use of any investigational agents within 30 days prior to screening
  • Major surgery within 8 weeks prior to the Baseline Visit
  • Uncontrolled cardiac conditions or severe unstable medical illnesses
  • Antiretroviral therapy for human immunodeficiency virus (HIV)
  • Conditions that will contribute to oxidative stress: current cigarette or cigar smokers (within past month), diabetics on insulin or poorly controlled on oral hypoglycemics
  • Residence in skilled nursing facility
  • Blindness, deafness, language difficulties or any other disability which may prevent the participant from participating or cooperating in the protocol
  • Note: Exceptions to these criteria may be considered on a case-by-case basis, at the discretion of the Project Director.
  • Excluded Medications:
  • Experimental drugs
  • Coumadin
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

University of Arizona

Tucson, Arizona, 85724, United States

Location

University of California- Irvine

Irvine, California, 92697, United States

Location

University of California, San Diego

La Jolla, California, 92037, United States

Location

University of California, Los Angeles

Los Angeles, California, 90095, United States

Location

Wien Center, Mount Sinai Medical Center

Miami Beach, Florida, 33140, United States

Location

University of Kentucky

Lexington, Kentucky, 40536, United States

Location

University of Medicine and Dentistry of New Jersey

Piscataway, New Jersey, 08855, United States

Location

Neurological Care of CNY

Syracuse, New York, 13210, United States

Location

Case Western Reserve University

Cleveland, Ohio, 44120, United States

Location

Oregon Health Sciences University

Portland, Oregon, 97239, United States

Location

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

Location

Medical University of South Carolina

North Charleston, South Carolina, 29406, United States

Location

University of Washington

Seattle, Washington, 98108, United States

Location

Related Publications (4)

  • Sano M, Ernesto C, Thomas RG, Klauber MR, Schafer K, Grundman M, Woodbury P, Growdon J, Cotman CW, Pfeiffer E, Schneider LS, Thal LJ. A controlled trial of selegiline, alpha-tocopherol, or both as treatment for Alzheimer's disease. The Alzheimer's Disease Cooperative Study. N Engl J Med. 1997 Apr 24;336(17):1216-22. doi: 10.1056/NEJM199704243361704.

    PMID: 9110909BACKGROUND
  • Behl C. Alzheimer's disease and oxidative stress: implications for novel therapeutic approaches. Prog Neurobiol. 1999 Feb;57(3):301-23. doi: 10.1016/s0301-0082(98)00055-0.

    PMID: 10096843BACKGROUND
  • Zandi PP, Anthony JC, Khachaturian AS, Stone SV, Gustafson D, Tschanz JT, Norton MC, Welsh-Bohmer KA, Breitner JC; Cache County Study Group. Reduced risk of Alzheimer disease in users of antioxidant vitamin supplements: the Cache County Study. Arch Neurol. 2004 Jan;61(1):82-8. doi: 10.1001/archneur.61.1.82.

    PMID: 14732624BACKGROUND
  • Galasko DR, Peskind E, Clark CM, Quinn JF, Ringman JM, Jicha GA, Cotman C, Cottrell B, Montine TJ, Thomas RG, Aisen P; Alzheimer's Disease Cooperative Study. Antioxidants for Alzheimer disease: a randomized clinical trial with cerebrospinal fluid biomarker measures. Arch Neurol. 2012 Jul;69(7):836-41. doi: 10.1001/archneurol.2012.85.

MeSH Terms

Conditions

Alzheimer DiseaseDementia

Interventions

Vitamin EAscorbic AcidThioctic AcidUbiquinone

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Intervention Hierarchy (Ancestors)

BenzopyransPyransHeterocyclic Compounds, 1-RingHeterocyclic CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingSugar AcidsAcids, AcyclicCarboxylic AcidsOrganic ChemicalsHydroxy AcidsCarbohydratesThiophenesSulfur CompoundsCoenzymesEnzymes and CoenzymesFatty AcidsLipidsBenzoquinonesQuinones

Study Officials

  • Douglas Galasko, MD

    University of California, San Diego

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
NIH

Study Record Dates

First Submitted

June 30, 2005

First Posted

July 6, 2005

Study Start

January 1, 2006

Primary Completion

September 1, 2007

Study Completion

September 1, 2007

Last Updated

April 3, 2009

Record last verified: 2008-04

Locations