Trial Outcomes & Findings for Donepezil HCl & Cognitive Deficits in Autism (NCT NCT00047697)

NCT ID: NCT00047697

Last Updated: 2017-10-05

Results Overview

TMT: Trial-Making Test. Time (sec) Range: 0 - 300. Lower = better

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

34 participants

Primary outcome timeframe

8 weeks

Results posted on

2017-10-05

Participant Flow

Participant milestones

Participant milestones
Measure
Donepezil HCL
Subjects placed on 5 and 10 mg of donepezil
Placebo
Subjects placed on 5 mg or 10 mg of placebo
Overall Study
STARTED
18
16
Overall Study
COMPLETED
18
14
Overall Study
NOT COMPLETED
0
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Donepezil HCl & Cognitive Deficits in Autism

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Donepezil HCL
n=18 Participants
Donepezil HCl: Participants will start with 5 mg per day dose of donepezil HCl, then have their dose increased to 10mg per day after 4 weeks.
Placebo
n=16 Participants
Participants will start with 5 mg/day of placebo, then have their doses increased to 10 mg/day of placebo after 4 weeks.
Total
n=34 Participants
Total of all reporting groups
Age, Continuous
11.6 years
n=5 Participants
11.8 years
n=7 Participants
11.7 years
n=5 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Sex: Female, Male
Male
17 Participants
n=5 Participants
14 Participants
n=7 Participants
31 Participants
n=5 Participants
Cognitive Assessment: TMT
123.6 Seconds
STANDARD_DEVIATION 56.5 • n=5 Participants
154.9 Seconds
STANDARD_DEVIATION 77.8 • n=7 Participants
138.3 Seconds
STANDARD_DEVIATION 66.5 • n=5 Participants
Cognitive Assessment: EOWVT Standard score
104.6 units on a scale
STANDARD_DEVIATION 22.4 • n=5 Participants
108.7 units on a scale
STANDARD_DEVIATION 17.0 • n=7 Participants
106.5 units on a scale
STANDARD_DEVIATION 19.9 • n=5 Participants
Cognitive Assessment: CVLT
40.7 Correct answers, percentage
STANDARD_DEVIATION 14.1 • n=5 Participants
47.1 Correct answers, percentage
STANDARD_DEVIATION 10.3 • n=7 Participants
43.7 Correct answers, percentage
STANDARD_DEVIATION 12.3 • n=5 Participants

PRIMARY outcome

Timeframe: 8 weeks

TMT: Trial-Making Test. Time (sec) Range: 0 - 300. Lower = better

Outcome measures

Outcome measures
Measure
Donepezil HCl
n=18 Participants
Participants will start with 5 mg per day dose of donepezil HCl, then have their dose increased to 10mg per day after 4 weeks.
Placebo
n=16 Participants
Placebo used in placed of Donepezil HCL
Cognitive Assessment: TMT
118.3 seconds
Standard Deviation 79.1
104.7 seconds
Standard Deviation 53.4

PRIMARY outcome

Timeframe: 8 weeks

Expressive One Word Vocabulary Test (standard score) Range: 55-140. Higher = better

Outcome measures

Outcome measures
Measure
Donepezil HCl
n=18 Participants
Participants will start with 5 mg per day dose of donepezil HCl, then have their dose increased to 10mg per day after 4 weeks.
Placebo
n=16 Participants
Placebo used in placed of Donepezil HCL
Cognitive Assessment: EOWVT Standard Score
109.7 units on a scale
Standard Deviation 21.0
114.5 units on a scale
Standard Deviation 16.1

PRIMARY outcome

Timeframe: 8 weeks

California Verbal Learning Test (percent of correct answers) Range: 0-100. Higher = better

Outcome measures

Outcome measures
Measure
Donepezil HCl
n=18 Participants
Participants will start with 5 mg per day dose of donepezil HCl, then have their dose increased to 10mg per day after 4 weeks.
Placebo
n=16 Participants
Placebo used in placed of Donepezil HCL
Cognitive Assessment: CVLT
50.2 percentage of correct answers
Standard Deviation 11.0
51.3 percentage of correct answers
Standard Deviation 14.7

Adverse Events

Donepezil HCL

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

Placebo

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

Benjamin L. Handen, PhD

University of Pittsburgh

Phone: 412-235-5445

Results disclosure agreements

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