Vitamin B6 (Pyridoxine) |
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Clinical Trial: Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADVISE)
This study is currently recruiting patients.
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Purpose
The Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADVISE) prevention trial is an important addition to the Selenium and Vitamin E Cancer Prevention Trial (SELECT). As a prevention trial, PREADVISE is trying to find out if taking selenium and/or Vitamin E supplements can help to prevent memory loss and dementia such as Alzheimer's disease.
| Condition | Treatment or Intervention | Phase |
|---|---|---|
| Alzheimer Disease | Drug: Vitamin E Drug: Selenium | Phase III |
MedlinePlus related topics: Alzheimer's Caregivers; Alzheimer's Disease
Genetics Home Reference related topics: Alzheimer disease
Study Type: Interventional
Study Design: Prevention, Randomized, Double-Blind, Placebo Control, Efficacy Study
Expected Total Enrollment: 10400
Study start: May 2002; Expected completion: August 2013
Studies show that increased oxidative stress (from excess free radicals) may damage brain cells and is linked with Alzheimer's disease (AD). Many studies show increased oxidation of brain lipids (fats), proteins, carbohydrates (sugars) and DNA in AD. Although the causes of AD are not known, it is believed that oxidative stress is part of what damages brain cells in AD and probably other brain diseases. Animal and tissue culture studies of vitamin E and selenium suggest that they can protect brain cells from damage. This research study is being done to see how safe and effective vitamin E and selenium may be in preventing AD and other brain illnesses. These illnesses are more common in people over the age of 60 to 65. A potential benefit of participating in the PREADVISE study is that early detection of memory changes can lead to early diagnosis and treatment. Also, some participants may decrease their risk of getting AD if the supplements are effective. The findings of this study may also help in the research and understanding of AD.
Only participants who are taking part in the SELECT study (a study that looks at the use of vitamin E and selenium for preventing prostate cancer) may apply to participate in the PREADVISE study about how useful vitamin E and selenium might be for preventing memory changes with age (including Alzheimer's disease and other disease that can affect the brain). African American and Hispanic men who are age 60 or older may take part. Men of other ethnic groups aged 62 or older may take part. The SELECT doctors or staff will review the applicant's medical history and drugs to verify that they have no conditions that would exclude them from this study. About 10,000 men will take part in this study.
The PREADVISE study examinations will be done during the participant's annual SELECT visit at the clinic where the SELECT studies are being conducted. There will be one study visit for each year the participants are in SELECT (7 to 12 visits). Each visit for PREADVISE will consist of a brief screening of the participant's memory, and an update (if any) of the participant's family history of dementia and medications. If memory changes are suggested by the brief memory screen, the participant will be asked to take a longer memory screen to further evaluate the potential for memory changes. If the longer memory screen also suggests problems with the participant's memory, the participant will be asked to see his family doctor or a PREADVISE doctor for a more complete medical exam to find the possible causes of the memory change. Results of the doctor's medical exam, with the consent of the participant, will be sent to the PREADVISE doctors for their review to help with the diagnosis. Results of the memory checks will not be given to the participants. However, if the participant does have a medical workup for memory changes, this information will be given to the family doctor after the medical workup is completed. A portion of the blood sample that was taken when the participant entered SELECT might be analyzed and tested for a genetic risk factor associated with Alzheimer's disease, called Apolipoprotein E (ApoE). The results of this test will be used for research purposes only.
Eligibility
Ages Eligible for Study: 60 Years - 90 Years, Genders Eligible for Study: Male
Accepts Healthy Volunteers
Criteria
Inclusion Criteria:
- Participating in SELECT Prevention study;
- 62 years or older if other ethnic origin, or 60 years or older if African-American or Hispanic;
- General good health with no neurological or psychiatric illness.
Exclusion Criteria:
The SELECT doctors or staff will review the PREADVISE applicants' medical history and drugs to verify that they have no condition(s) that would exclude them from this study. The participant must not have any of the following neurological conditions based on self report (were told by a physician):
- Alzheimer's disease, or any other form of dementia such as Pick's disease, dementia with Lewy bodies, frontotemporal dementia, vascular dementia, significant cognitive and motor impairment from a stroke or corticobasal degeneration;
- Huntington's disease, epilepsy, Parkinson's disease, brain tumor, multiple sclerosis, manic-depressive disorder, or schizophrenia;
- The participant must not have had a head injury with prolonged loss of consciousness (over 30 minutes) within the past five years;
- The participant must not have a current alcohol or substance abuse diagnosis, or must have been treatment free for the past 24 months;
- The participant must not have had a diagnosis of depression or anxiety disorder in the past 4 months and must not currently be under treatment for depression or anxiety disorder. [A participant who was previously diagnosed with depression or anxiety disorder but completed treatment more than four months ago is eligible.];
- The participant must not currently use of any of the following medications: Aricept, Cognex, Exelon, Reminyl, or Hydergine;
- The participant must not have blindness, deafness, language difficulties or any other disability that may prevent completion of the memory screen.
Location and Contact Information
Alabama
University of Alabama at Birmingham Preventive Medicine, Birmingham, Alabama, 35294-4410, United States; Recruiting
Alaska
Providence Alaska Medical Center, Anchorage, Alaska, 99508, United States; Recruiting
Alaska Regional Hospital, Anchorage, Alaska, 99508, United States; Recruiting
California
VA Medical Center, Loma Linda, California, 92354-3866, United States; Recruiting
Santa Rosa Memorial Hospital Regional CCOP, Santa Rosa, California, 95403, United States; Recruiting
Harbor UCLA Medical Cemter, Torrance, California, 90502-2064, United States; Recruiting
Lionel B. Katchem, Upland, California, 91786, United States; Recruiting
University of California, San Diego - Chula Vista, Chula Vista, California, 91910, United States; Recruiting
Glendale Memorial Hospital, Glendale, California, 91204, United States; Recruiting
University of California, San Diego, La Jolla, California, 92037-1709, United States; Recruiting
VAMC Long Beach, Long Beach, California, 90822, United States; Recruiting
Northridge Hospital Medical Center, Northridge, California, 91328, United States; Recruiting
Colorado
Rocky Mountain CC/Poudre Valley Hospital, Fort Collins, Colorado, 80524, United States; Recruiting
District of Columbia
DC United MBCCOP, Washington, DC, District of Columbia, 20060-0001, United States; Recruiting
George Washington University Medical Center, Washington, DC, District of Columbia, 20037, United States; Recruiting
Sibley Memorial Hospital, Washington, DC, District of Columbia, 20016, United States; Recruiting
Florida
Baptist Medical Center, Jacksonville, Florida, 32207-8560, United States; Recruiting
Georgia
Kaiser Southeast Permanente Medical Group, Tucker, Georgia, 30084, United States; Recruiting
Iowa
Bliss Cancer Center/McFarland Clinic/Mary Greely MC, Ames, Iowa, 50010, United States; Recruiting
Cedar Rapids CCOP, Cedar Rapids, Iowa, 52403, United States; Recruiting
Genesis Medical Center, Davenport, Iowa, 52804, United States; Not yet recruiting
Iowa Oncology Research Association, Des Moines, Iowa, 50309-1016, United States; Recruiting
Siouxland Hematology-Oncology Associates, Sioux City, Iowa, 51101, United States; Recruiting
Kansas
Stormont-Vail Health Care/Cotton O'Neil Clinic, Topeka, Kansas, 66606, United States; Recruiting
Wichita CCOP, Wichita, Kansas, 67214-3882, United States; Recruiting
University of Kansas Medical Center, Kansas City, Kansas, 66160, United States; Recruiting
Kentucky
Louisville VA Medical Center, Louisville, Kentucky, 40206-1499, United States; Recruiting
Our Lady of Bellefonte Hospital Inc., Ashland, Kentucky, 41101, United States; Recruiting
University of Kentucky Medical Center, Lexington, Kentucky, 40536-0093, United States; Recruiting
Maryland
Anne Arundel Medical Center, Annapolis, Maryland, 21401-2777, United States; Recruiting
Massachusetts
Berkshire Hematology Oncology/Bershire Medical Center, Pittsfield, Massachusetts, 01201, United States; Recruiting
Michigan
Bixby Oncology Center, Adrian, Michigan, 49221, United States; Recruiting
Henry Ford Hospital, Detroit, Michigan, 48202, United States; Recruiting
Grand Rapids Clinical Oncology Program CCOP, Grand Rapids, Michigan, 49503-2560, United States; Recruiting
Monroe Clinic, Monroe, Michigan, 48162, United States; Recruiting
St. Joseph Mercy Oakland, Pontiac, Michigan, 48341, United States; Recruiting
Munson Medical Center, Traverse City, Michigan, 49684-2386, United States; Recruiting
Minnesota
Duluth CCOP, Duluth, Minnesota, 55805, United States; Recruiting
Mississippi
Delta Health Center, Mound Bayou, Mississippi, 38762, United States; Not yet recruiting
Missouri
St. John's Regional Medical Center, Joplin, Missouri, 64804, United States; Recruiting
Cancer Research for the Ozarks, Springfield, Missouri, 65807, United States; Recruiting
St. John's Health System, Springfield, Missouri, 65804, United States; Recruiting
Montana
Montana Cancer Consortium CCOP, Billings, Montana, 59101, United States; Recruiting
Benefis Health Care, Great Falls, Montana, 59405, United States; Recruiting
Nebraska
Cancer Resource Center, Lincoln, Nebraska, 68510-4844, United States; Recruiting
Missouri Valley Cancer Cons CCOP/Creighton University, Omaha, Nebraska, 68131, United States; Recruiting
Alegent Health Bergan Mercy Medical Center, Omaha, Nebraska, 68124, United States; Recruiting
Alegent Health Immanuel Medical Center, Omaha, Nebraska, 68122, United States; Recruiting
Good Samaritan Health Systems - Cancer Center, Kearney, Nebraska, 68847, United States; Recruiting
Nevada
Washoe Medical Center, Reno, Nevada, 89520, United States; Recruiting
New Jersey
Riverview Medical Center, Red Bank, New Jersey, 07701, United States; Recruiting
VAMC New Jersey Health Care System, East Orange, New Jersey, 07018-1095, United States; Recruiting
Warren Hospital, Phillipsburg, New Jersey, 08865, United States; Recruiting
New York
Bassett Research Institute, Cooperstown, New York, 13326-1394, United States; Recruiting
Glens Falls Hospital, Glens Falls, New York, 12801, United States; Recruiting
Stratton Veterans Affairs Medical Center, Albany, New York, 12208, United States; Recruiting
Ohio
Good Samaritan Hospital, Cincinnati, Ohio, 45220-2489, United States; Recruiting
Columbus CCOP, Columbus, Ohio, 43206, United States; Recruiting
Fremont Memorial Hospital, Fremont, Ohio, 43420, United States; Not yet recruiting
NW Ohio Oncology Center/St. Luke's Hospital, Maumee, Ohio, 43537, United States; Recruiting
St. Charles Hospital, Oregon, Ohio, 43616, United States; Recruiting
Flower Hospital, Sylvania, Ohio, 43560-2197, United States; Recruiting
St. Vincent Medical Center, Toledo, Ohio, 43608, United States; Recruiting
Toledo CCOP, Toledo, Ohio, 43623, United States; Recruiting
Toledo Clinic Inc., Toledo, Ohio, 43623, United States; Recruiting
Toledo Hospital, Toledo, Ohio, 43606, United States; Recruiting
Oklahoma
Muskogee Regional Medical Center, Muskogee, Oklahoma, 74401-5075, United States; Recruiting
Pennsylvania
Lehigh Valley Hospital, Allentown, Pennsylvania, 18103, United States; Recruiting
Abington Memorial Hospital, Abington, Pennsylvania, 19001-3788, United States; Recruiting
St. Luke's Hospital and Health Network, Bethlehem, Pennsylvania, 18015, United States; Recruiting
Doylestown Hospital, Doylestown, Pennsylvania, 18901, United States; Recruiting
York Cancer Center/Wellspan Health, York, Pennsylvania, 17403-5049, United States; Not yet recruiting
South Dakota
Sioux Community Cancer Consortium, Sioux Falls, South Dakota, 57105, United States; Recruiting
Tennessee
Methodist Regional Cancer Center, Oak Ridge, Tennessee, 37830, United States; Recruiting
Thompson Cancer Survival Center, Knoxville, Tennessee, 37916, United States; Recruiting
Baptist Memorial Hospital - Memphis, Memphis, Tennessee, 38120, United States; Recruiting
Meharry Medical College, Nashville, Tennessee, 37208-3599, United States; Not yet recruiting
Texas
Scott & White CCOP, Temple, Texas, 76508, United States; Recruiting
Methodist Hospitals of Dallas, Dallas, Texas, 75203, United States; Recruiting
Washington
Northwest Hospital, Seattle, Washington, 98133, United States; Recruiting
Cascadia Clinical Trials at St. Joseph Hospital, Bellingham, Washington, 98225-1898, United States; Recruiting
Swedish Medical Center, Seattle, Washington, 98104, United States; Recruiting
Virginia Mason CCOP, Seattle, Washington, 98101, United States; Recruiting
Wisconsin
Marshfield Clinic, Marshfield, Wisconsin, 54449-5703, United States; Recruiting
Sinai Samaritan Medical Center, Milwaukee, Wisconsin, 53233, United States; Recruiting
Canada, Ontario
Ottawa General Hospital, Ottawa, Ontario, K1H 8L6, Canada; Recruiting
Puerto Rico
Altamira Family Medicine, San Juan, 00920, Puerto Rico; Recruiting
Centro Clinico San Patricio, San Juan, 00921, Puerto Rico; Recruiting
Miguel Sosa Padilla, MD/San Juan City Hospital, San Juan, 00926, Puerto Rico; Recruiting
San Juan City Hospital - PR, Hematology Oncology Office, San Juan, 00936-8344, Puerto Rico; Recruiting
San Juan Dr. I. Gonzalez Martinez/Centro Medico, San Juan, 00919-1811, Puerto Rico; Recruiting
VAMC San Juan, San Juan, 00927, Puerto Rico; Recruiting
William Markesbery, MD, Principal Investigator, Sanders-Brown Center on Aging
Frederick Schmitt, PhD, Principal Investigator, Sanders-Brown Center on Aging
Richard Kryscio, PhD, Principal Investigator, Sanders-Brown Center on Aging
More Information
SELECT trial information
Clinicaltrials.gov SELECT trial record
PREADVISE web site
Southwest Oncology Group
Publications
Lovell MA, Ehmann WD, Butler SM, Markesbery WR. Elevated thiobarbituric acid-reactive substances and antioxidant enzyme activity in the brain in Alzheimer's disease. Neurology. 1995 Aug;45(8):1594-601.
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.
Markesbery WR, Carney JM. Oxidative alterations in Alzheimer's disease. Brain Pathol. 1999 Jan;9(1):133-46. Review.
Record last reviewed: November 2004
Last Updated: November 3, 2004
Record first received: June 25, 2002
ClinicalTrials.gov Identifier: NCT00040378
Health Authority: United States: Federal Government
ClinicalTrials.gov processed this record on 2005-04-08
Source: ClinicalTrials.gov
Cache Date: April 9, 2005

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