BONSAI: Biomarkers of Nonsteroidal Anti-Inflammatories
Biomarkers of Nonsteroidal Anti-Inflammatories
2 other identifiers
interventional
40
1 country
1
Brief Summary
The purpose of this study is to test the effect of ibuprofen on the levels of a number of different proteins (called biomarkers) in cerebrospinal fluid (CSF), blood, and urine to see whether ibuprofen can influence certain biomarkers associated with the progression of Alzheimer's Disease.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Oct 2005
Longer than P75 for phase_1
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
October 1, 2005
CompletedFirst Submitted
Initial submission to the registry
October 13, 2005
CompletedFirst Posted
Study publicly available on registry
October 17, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2009
CompletedApril 29, 2009
April 1, 2009
3.8 years
October 13, 2005
April 28, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Changes in biomarker assays
baseline and 6-12 weeks later
Study Arms (2)
1
EXPERIMENTAL2
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- Age 59 years or older at time of the first visit
- Family history of one or more first-degree relatives with Alzheimer-like dementia
- Fluency in written and spoken English
- Willingness to limit use of Vitamin E (\<600 IU per day), Non-aspirin NSAIDs, Aspirin (\<81mg per day), Histamine H2 receptor antagonists, and Gingko biloba extract for the duration of the study
- Ability and intention to participate in regular study visits
- Provision of informed consent
You may not qualify if:
- History of peptic ulcer disease complicated by perforation, hemorrhage or obstruction
- History of uncomplicated peptic ulcer with symptoms in the 28 days prior to the first visit
- Clinically significant hypertension, anemia, liver disease, or kidney disease
- Hypersensitivity to aspirin or other NSAIDS
- Concurrent use of warfarin, ticlopidine, or any other type of anti-coagulant
- Concurrent use of systemic corticosteroids
- Use of ≥ 4 doses per week of either of the following in the 14 days prior to the first visit: Non-aspirin NSAIDs, Aspirin (\>81mg per day), or Histamine H2 receptor antagonists
- Current plasma creatinine ≥1.5mg/dL
- Enrollment in any trial that is likely to interfere with BONSAI procedures or affect treatment outcomes
- Cognitive impairment or dementia
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Layton Aging & Alzheimer's Disease Center
Portland, Oregon, 97239, United States
Related Publications (4)
Weggen S, Eriksen JL, Das P, Sagi SA, Wang R, Pietrzik CU, Findlay KA, Smith TE, Murphy MP, Bulter T, Kang DE, Marquez-Sterling N, Golde TE, Koo EH. A subset of NSAIDs lower amyloidogenic Abeta42 independently of cyclooxygenase activity. Nature. 2001 Nov 8;414(6860):212-6. doi: 10.1038/35102591.
PMID: 11700559BACKGROUNDMcAdam BF, Catella-Lawson F, Mardini IA, Kapoor S, Lawson JA, FitzGerald GA. Systemic biosynthesis of prostacyclin by cyclooxygenase (COX)-2: the human pharmacology of a selective inhibitor of COX-2. Proc Natl Acad Sci U S A. 1999 Jan 5;96(1):272-7. doi: 10.1073/pnas.96.1.272.
PMID: 9874808BACKGROUNDMontine TJ, Sidell KR, Crews BC, Markesbery WR, Marnett LJ, Roberts LJ 2nd, Morrow JD. Elevated CSF prostaglandin E2 levels in patients with probable AD. Neurology. 1999 Oct 22;53(7):1495-8. doi: 10.1212/wnl.53.7.1495.
PMID: 10534257BACKGROUNDZandi PP, Anthony JC, Hayden KM, Mehta K, Mayer L, Breitner JC; Cache County Study Investigators. Reduced incidence of AD with NSAID but not H2 receptor antagonists: the Cache County Study. Neurology. 2002 Sep 24;59(6):880-6. doi: 10.1212/wnl.59.6.880.
PMID: 12297571BACKGROUND
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
John Breitner, MD
University of Washington
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- NIH
Study Record Dates
First Submitted
October 13, 2005
First Posted
October 17, 2005
Study Start
October 1, 2005
Primary Completion
August 1, 2009
Study Completion
August 1, 2009
Last Updated
April 29, 2009
Record last verified: 2009-04