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A Randomised Controlled Trial of the effects of donepezil on cognitive, behavioural, and functional outcome in traumatic brain injury

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN16354639
Enrollment
92
Registered
2005-11-18
Start date
2004-06-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Traumatic Brain Injury (TBI) Injury, Occupational Diseases, Poisoning Intracranial injury

Interventions

Acetylcholinesterase inhibitor ? donepezil versus placebo for six months Trial details received 12 Sept 2005

Sponsors

Baycrest Centre for Geriatric Care (Canada)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. History of head trauma resulting from contact forces or an acceleration/deceleration event 2. Aged 18 - 55 years, either sex 3. At least 6 months post injury 4. Cognitive complaints or cognitive impairment as assessed by the treating clinician 5. Objective evidence of cognitive impairment in the realm of attention, memory, or executive functioning 6. Outpatient status 7. Able to identify a caregiver 8. Consent granted by subjects NOT deemed incompetent to do so OR consent given by substitute decision maker to participate in the study

Exclusion criteria

Exclusion criteria: 1. History of other central nervous system injury or disease (e.g. Alzheimer?s disease) 2. Relative contradictions for donepezil (including uncontrolled diabetes, current peptic ulcer, glaucoma etc.) 3. History of ongoing alcohol or drug abuse 4. Current Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV) axis I diagnosis of schizophrenia, bipolar disorder, or untreated depression 5. Physical or language impediments to completion of the measures 6. Concurrent of benzodiazepines, all antidepressants (with the exception of selective serotonin re-uptake inhibitors [SSRIs], which will be allowed), neuroleptics, and/or anticholinergic medications 7. Persistent post traumatic amnesia, as defined by a Galveston orientation and amnesia test (GOAT) score of 75 or less at the time of study 8. Age 55 9. Not in agreement to use acceptable contraception 10. Performance below 9 on the forced-choice component of the 21 item test 11. Performance of 85 or above (index score) in each construct of the RBANS test

Design outcomes

Primary

MeasureTime frame
Episodic verbal learning and memory measured at six months.

Secondary

MeasureTime frame
1. Information processing speed at two and six months 2. Attention at two and six months 3. Problem solving at two and six months 4. Behaviour at two and six months 5. Affect at two and six months 6. Daily functioning at two and six months 7. Quality of life at two and six months

Countries

Canada

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026