Donepezil in the Prevention of Post-Operative Cognitive Decline
Preventing Post-Operative Cognitive Decline
1 other identifier
interventional
30
1 country
1
Brief Summary
The purpose of this study is to evaluate the feasibility of using Donepezil to prevent post-operative cognitive decline (POCD) among individuals aged 65 and older who have a baseline mild cognitive impairment (MCI) and are undergoing elective hip or knee replacement.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4
Started Feb 2005
Typical duration for phase_4
1 active site
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
Study Start
First participant enrolled
February 1, 2005
CompletedFirst Submitted
Initial submission to the registry
September 9, 2005
CompletedFirst Posted
Study publicly available on registry
September 16, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2007
CompletedMarch 3, 2008
February 1, 2008
2.2 years
September 9, 2005
February 28, 2008
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Changes in the International Study of Post-Operative Cognitive Decline (ISPOCD) and the CogHealth computerized battery tests at 1 week and 12 weeks after surgery
Secondary Outcomes (5)
Delirium status measured by the Confusion Assessment Method (CAM) and the Memorial Delirium Assessment Scale (MDAS) daily during the post-operative period
Global cognitive status assessed using the Mini Mental Status Exam (MMSE)
Length of stay in the hospital post-operatively
Discharge site
Adverse effects
Interventions
Eligibility Criteria
You may qualify if:
- Community-dwelling individuals aged 65 or older
- Scheduled for elective hip or knee replacement at University Hospital
- Mild cognitive impairment, defined as:
- MMSE total score of 27 or less;
- normal performance of the activities of daily living tasks of the Bristol scale after excluding mobility related difficulties;
- no chart-based dementia diagnosis; and
- no history of ever being on dementia medications such as Memantine or any cholinesterase inhibitors
- Consent to participate in the study
You may not qualify if:
- Chart-based dementia diagnosis
- MMSE score greater than 27
- Difficulty performing the activities of daily living not related to mobility as measured by the Bristol scale
- Current or past history of receiving dementia medications such as Memantine or any cholinesterase inhibitors (Tacrine, Donepezil, Rivastigmine, or Galantamine)
- Metastatic cancer or other comorbid illnesses likely to reduce life expectancy to under 6 months
- Multiple trauma or pathological fractures requiring acute hip or knee replacement
- Aphasic, blind, or deaf
- Use of neuroleptics one month prior to surgery
- Allergy to donepezil
- Inability to read and complete study tests and forms
- Alcohol or drug dependence, defined as intake of more than 5 units of alcohol daily during the past 3 months
- Not expected to be discharged from hospital or able to complete the 3-month postoperative test
- Not competent to make medical decisions
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Pfizerlead
Study Sites (1)
University Hospital, Clarian Health Partners
Indianapolis, Indiana, 46202, United States
Related Publications (5)
Dodds C, Allison J. Postoperative cognitive deficit in the elderly surgical patient. Br J Anaesth. 1998 Sep;81(3):449-62. doi: 10.1093/bja/81.3.449. No abstract available.
PMID: 9861139BACKGROUNDRasmussen LS. Defining postoperative cognitive dysfunction. Eur J Anaesthesiol. 1998 Nov;15(6):761-4. doi: 10.1097/00003643-199811000-00026. No abstract available.
PMID: 9884870BACKGROUNDMoller JT, Cluitmans P, Rasmussen LS, Houx P, Rasmussen H, Canet J, Rabbitt P, Jolles J, Larsen K, Hanning CD, Langeron O, Johnson T, Lauven PM, Kristensen PA, Biedler A, van Beem H, Fraidakis O, Silverstein JH, Beneken JE, Gravenstein JS. Long-term postoperative cognitive dysfunction in the elderly ISPOCD1 study. ISPOCD investigators. International Study of Post-Operative Cognitive Dysfunction. Lancet. 1998 Mar 21;351(9106):857-61. doi: 10.1016/s0140-6736(97)07382-0.
PMID: 9525362BACKGROUNDAbildstrom H, Rasmussen LS, Rentowl P, Hanning CD, Rasmussen H, Kristensen PA, Moller JT. Cognitive dysfunction 1-2 years after non-cardiac surgery in the elderly. ISPOCD group. International Study of Post-Operative Cognitive Dysfunction. Acta Anaesthesiol Scand. 2000 Nov;44(10):1246-51. doi: 10.1034/j.1399-6576.2000.441010.x.
PMID: 11065205BACKGROUNDJohnson T, Monk T, Rasmussen LS, Abildstrom H, Houx P, Korttila K, Kuipers HM, Hanning CD, Siersma VD, Kristensen D, Canet J, Ibanaz MT, Moller JT; ISPOCD2 Investigators. Postoperative cognitive dysfunction in middle-aged patients. Anesthesiology. 2002 Jun;96(6):1351-7. doi: 10.1097/00000542-200206000-00014.
PMID: 12170047BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Malaz Boustani, MD, MPH
Regenstrief Institute, Indiana University Center for Aging Research
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
September 9, 2005
First Posted
September 16, 2005
Study Start
February 1, 2005
Primary Completion
April 1, 2007
Study Completion
April 1, 2007
Last Updated
March 3, 2008
Record last verified: 2008-02