Trial Outcomes & Findings for MemoryXL Effects on Mild Cognitive Impairment Patients (NCT NCT00903695)

NCT ID: NCT00903695

Last Updated: 2012-01-26

Results Overview

Dementia Rating Scale (DRS) is a cognitive test with 5 domains; raw scores can be converted to percentiles for age/education levels, so individuals can be compared. Higher scores mean more competence (0-36 points converted to percentiles so different ages can be compared). Total raw scores for the 5 domains were computed so that Mean and SD of differences between first and last assessments for all subjects, by study arms (nutriceutical = XL and placebo = PL) are reported here.

Recruitment status

TERMINATED

Study phase

PHASE2

Target enrollment

10 participants

Primary outcome timeframe

Baseline and 12 months

Results posted on

2012-01-26

Participant Flow

Patients diagnosed with Mild Cognitive Impairment (MCI) in VA and OU campus clinics were given opportunity to participate in the trial, if they met inclusion/exclusion criteria.

Over 1.5 yrs, only 19 of 533 memory clinic patients were diagnosed with Mild Cognitive Impairment and who met inclusion/exclusion criteria. Most of the MCI patients had serious medical problems that affected cognition. Ten subjects agreed to be in this study.

Participant milestones

Participant milestones
Measure
Nutriceutical (MemoryXL) Effects on Cognition & Behavior
Subjects diagnosed with Mild Cognitive Impairment (MCI) will take 2 Memory XL pills daily for 12 months (a vitamin nutriceutical developed by Thomas Shea, Ph.D., and patented by the Univ. of Mass.). They will be assessed cognitively each 3 months to determine if Memory XL prevents them from progressing to early dementia; 10-25% of MCI patients have been shown to convert to dementia each year. Therefore, at least 10% of patients in study would be expected to progress from MCI to early Alzheimer's dementia during the year of the study.
Placebo Effects on Cognition/Behavior
Mild Cognitive Impairment subjects will take the placebo that has been formulated to look and taste the same as the nutriceutical being studied (Memory XL). Subjects will be cognitively \& behaviorally assessed each 3 months of the study, with last testing done at the end of their 12 months of pill ingestion. Tests used in each arm of study are the same ones used in prior publications by the nutriceutical inventor, Dr. Shea, when he assessed mild, moderate, and severely demented Alzheimer's patients. The current study is double blind, whereas Dr. Shea's studies were open label.
Overall Study
STARTED
8
2
Overall Study
COMPLETED
6
2
Overall Study
NOT COMPLETED
2
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Nutriceutical (MemoryXL) Effects on Cognition & Behavior
Subjects diagnosed with Mild Cognitive Impairment (MCI) will take 2 Memory XL pills daily for 12 months (a vitamin nutriceutical developed by Thomas Shea, Ph.D., and patented by the Univ. of Mass.). They will be assessed cognitively each 3 months to determine if Memory XL prevents them from progressing to early dementia; 10-25% of MCI patients have been shown to convert to dementia each year. Therefore, at least 10% of patients in study would be expected to progress from MCI to early Alzheimer's dementia during the year of the study.
Placebo Effects on Cognition/Behavior
Mild Cognitive Impairment subjects will take the placebo that has been formulated to look and taste the same as the nutriceutical being studied (Memory XL). Subjects will be cognitively \& behaviorally assessed each 3 months of the study, with last testing done at the end of their 12 months of pill ingestion. Tests used in each arm of study are the same ones used in prior publications by the nutriceutical inventor, Dr. Shea, when he assessed mild, moderate, and severely demented Alzheimer's patients. The current study is double blind, whereas Dr. Shea's studies were open label.
Overall Study
medical exclusion after 1st testing
1
0
Overall Study
lung cancer
1
0

Baseline Characteristics

MemoryXL Effects on Mild Cognitive Impairment Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Nutriceutical (MemoryXL) Effects on Cognition & Behavior
n=8 Participants
Subjects diagnosed with Mild Cognitive Impairment (MCI) will take 2 Memory XL pills daily for 12 months (a vitamin nutriceutical developed by Thomas Shea, Ph.D., and patented by the Univ. of Mass.). They will be assessed cognitively each 3 months to determine if Memory XL prevents them from progressing to early dementia; 10-25% of MCI patients have been shown to convert to dementia each year. Therefore, at least 10% of patients in study would be expected to progress from MCI to early Alzheimer's dementia during the year of the study.
Placebo Effects on Cognition/Behavior
n=2 Participants
Mild Cognitive Impairment subjects will take the placebo that has been formulated to look and taste the same as the nutriceutical being studied (Memory XL). Subjects will be cognitively \& behaviorally assessed each 3 months of the study, with last testing done at the end of their 12 months of pill ingestion. Tests used in each arm of study are the same ones used in prior publications by the nutriceutical inventor, Dr. Shea, when he assessed mild, moderate, and severely demented Alzheimer's patients. The current study is double blind, whereas Dr. Shea's studies were open label.
Total
n=10 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Age, Categorical
>=65 years
7 Participants
n=5 Participants
2 Participants
n=7 Participants
9 Participants
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
2 Participants
n=7 Participants
10 Participants
n=5 Participants
Region of Enrollment
United States
8 participants
n=5 Participants
2 participants
n=7 Participants
10 participants
n=5 Participants
Dementia Rating Scale
130 total raw score points for 5 domains
STANDARD_DEVIATION 2.3 • n=5 Participants
140 total raw score points for 5 domains
STANDARD_DEVIATION 4.7 • n=7 Participants
132 total raw score points for 5 domains
STANDARD_DEVIATION 7.5 • n=5 Participants
MiniMental State Exam (MMSE)
27.5 total 1st MMSE score parameters
STANDARD_DEVIATION 0.8 • n=5 Participants
28.5 total 1st MMSE score parameters
STANDARD_DEVIATION 1.5 • n=7 Participants
27.7 total 1st MMSE score parameters
STANDARD_DEVIATION 2.1 • n=5 Participants
Neuropsychiatric Inventory NPI)
3.6 total raw scores by group
STANDARD_DEVIATION 1.3 • n=5 Participants
3.0 total raw scores by group
STANDARD_DEVIATION 2.6 • n=7 Participants
3.5 total raw scores by group
STANDARD_DEVIATION 3.4 • n=5 Participants
Modified Clinical Dementia Rating scale (CDR)
5.6 total raw scores by study group
STANDARD_DEVIATION 1.4 • n=5 Participants
6.5 total raw scores by study group
STANDARD_DEVIATION 2.8 • n=7 Participants
5.8 total raw scores by study group
STANDARD_DEVIATION 3.8 • n=5 Participants
Activities of Daily Living (ADL)
6.3 total initial raw scores by group
STANDARD_DEVIATION 0.4 • n=5 Participants
8.0 total initial raw scores by group
STANDARD_DEVIATION 0.7 • n=7 Participants
6.6 total initial raw scores by group
STANDARD_DEVIATION 1.2 • n=5 Participants
Instrumental Activities of Daily Living (IADL)
14.2 total initial scores by study group
STANDARD_DEVIATION 1.8 • n=5 Participants
13.0 total initial scores by study group
STANDARD_DEVIATION 3.7 • n=7 Participants
14.0 total initial scores by study group
STANDARD_DEVIATION 4.9 • n=5 Participants
Clock Drawing Test
6.7 initial total raw score by group
STANDARD_DEVIATION 0.3 • n=5 Participants
7.0 initial total raw score by group
STANDARD_DEVIATION 0.7 • n=7 Participants
6.8 initial total raw score by group
STANDARD_DEVIATION 0.9 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline and 12 months

Population: All participants who completed 12-month study were included in the ANOVA analysis of the differences in scores of tests between baseline and end assessments.

Dementia Rating Scale (DRS) is a cognitive test with 5 domains; raw scores can be converted to percentiles for age/education levels, so individuals can be compared. Higher scores mean more competence (0-36 points converted to percentiles so different ages can be compared). Total raw scores for the 5 domains were computed so that Mean and SD of differences between first and last assessments for all subjects, by study arms (nutriceutical = XL and placebo = PL) are reported here.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Dementia Rating Scale (DRS) at 12 Months From Baseline, by Study Group
-1.0 units on a scale
Standard Deviation 3.0
-2.5 units on a scale
Standard Deviation 5.3

PRIMARY outcome

Timeframe: baseline before intervention to 12 months of intervention

Population: All subjects who completed the 12-month study were included (placebo and nutriceutical arms/groups).

CDR is a rating scale for 8 aspects of behavior with 0-3 points allowed; higher scores indicate more pathology. Total minimum and maximum scores are 0 and 36 respectively.Clinician rates the patient's behavior and competence with input from family members who live with the patient. ANOVA of differences between baseline and end scores of the CDR scale are reported here, by the study arm/group.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Clinical Dementia Rating Scale (CDR) Over 12 Months, by Study Group
-1.7 units on a scale
Standard Error 1.6
2.0 units on a scale
Standard Error 2.9

PRIMARY outcome

Timeframe: baseline to 12 months

Population: All subjects who completed the 12-month study were included.

Clock Drawing Test is a cognitive screening instrument in which subjects are to draw a clock and set a specified time. Various scoring methods can be employed using 4 to 15 points, with more points showing more competence. This study used the 8-point scoring method, so that 0-8 points could be assigned during each of the baseline and 4 assessment periods during the 12-month study. ANOVA of the differences between baseline and end scores, by study arm/group was completed.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Clock Drawing Test (CLOX) Scores Over 12 Months, by Study Group
0.5 units on a scale
Standard Error 0.6
-1.0 units on a scale
Standard Error 1.1

PRIMARY outcome

Timeframe: baseline to 12 months

Population: All subjects who completed the 12-month study were included.

MiniMental State Exam is a cognitive screening device with possible 30 points in several categories; higher points indicate greater competence. Clinician tests orientation, attention, language, \& visuo-spatial construction. Outcome measure is results of an ANOVA of differences between baseline and end/last scores, by study arm/group was completed.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in MiniMental State Exam (MMSE) Scores Over 12 Months, by Study Group
-0.33 units on a scale
Standard Error 0.5
1.0 units on a scale
Standard Error 0.9

PRIMARY outcome

Timeframe: baseline to 12 months

Population: All subjects who completed 12-month study were included.

NPI is a behavior rating scale with 12 categories in which a maximum score of 36 points indicates more pathology than a minimum score of 0. Outcome measure reported here is results of an ANOVA of the differences between baseline and end scores, by study arm/group, to detect any statistically significant difference (nutriceutical vs placebo groups) was completed.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Neuropsychiatric Inventory (NPI) Scores Over 12 Months, by Study Group
-4.0 units on a scale
Standard Error 1.9
-2.5 units on a scale
Standard Error 3.3

PRIMARY outcome

Timeframe: baseline to 12 months

Population: All subjects who completed 12-month study were included.

ADL is a behavior rating scale with 6 domains of self-care (feeding, toileting, etc.) in which a maximum score of 18 indicates less competence than a minimum score of 6 (normal skills). Outcome measure is results of ANOVA of the differences between baseline and last/end scores, by study arm/group, to detect any statistically significant differences.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Activities of Daily Living (ADL) Scores Over 12 Months, by Study Group
0.0 units on a scale
Standard Error 0.3
-1.0 units on a scale
Standard Error 0.6

PRIMARY outcome

Timeframe: baseline to 12 months

Population: All subjects who completed 12-month study were included.

IADL is a behavior rating scale using 9 domains of household and community activities, with a total score of 27 points indicating less competence than a normal function score of 9 points. Outcome measure is results of an ANOVA of the differences between baseline and end/last score, by study arm/group, to detect statistically significant differences (nutriceutical vs placebo).

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Differences in Instrumental Activities of Daily Living (IADL) Scores Over 12 Months, by Study Group
0.0 units on a scale
Standard Error 1.0
-2.0 units on a scale
Standard Error 1.7

SECONDARY outcome

Timeframe: 12 months

Population: Subjects diagnosed as Mild Cognitive Impairment (MCI) in VA clinic were given opportunity to participate in the study if they met inclusion/exclusion criteria (no illnesses that cause brain damage or are uncontrolled such as brittle diabetes).

Neurological diagnosis is based on test scores that reach -1.6 SD of mean for age/education, and on radiological tests of brain structure (CT, MRI, PET). Usual cutoff for test score percentile is \<0.05 to diagnose dementia.

Outcome measures

Outcome measures
Measure
Nutriceutical Arm
n=6 Participants
Subjects who were assigned by VA research pharmacist to receive nutriceutical pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Placebo Arm
n=2 Participants
Subjects who were assigned by VA research pharmacist to receive placebo pills for full 12 months of study. They were told to take one pill each in AM and PM, and spouse kept a log of the time of day when subject injected the pill. Logs were brought to PI each three months when patient returned to lab for re-testing and to receive next batch of study pills.
Number of Subjects Who Converted to Early Alzheimer's (Dementia).
0 participants
1 participants

Adverse Events

Nutriceutical (MemoryXL) Effects on Cognition & Behavior

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Placebo Effects on Cognition/Behavior

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Marilee Monnot, PhD

UOklahoma Health Sciences Center

Phone: 405-456-5773

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place