Study to Evaluate Safety, Tolerability, and Effect of AL208 on Mild Cognitive Impairment Following Coronary Artery Bypass Graft Surgery
A Phase II Study Designed to Evaluate the Safety, Tolerability, and Effect of a Single, Rising Dose of Intravenous AL-208, Followed by a Placebo-Controlled, Double-Blind, Parallel-Group Evaluation of a Single Dose of AL-208, on Mild Cognitive Impairment Following Coronary Artery Bypass Graft Surgery.
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Ontario
-
London, Ontario, Canada, N6A5A5
- London Health Sciences Centre
-
Toronto, Ontario, Canada, M5G2C4
- Toronto General Hospital
-
-
-
-
California
-
Laguna Hills, California, United States, 92653
- Physicians Clinical Research Corp.
-
Sacramento, California, United States, 95825
- Sacramento Heart and Vascular Research Center
-
-
Florida
-
Jacksonville, Florida, United States, 32216
- Jacksonville Center for Clinical Research
-
South Miami, Florida, United States, 33143
- Miami Research Associates
-
-
Georgia
-
Atlanta, Georgia, United States, 30309
- Piedmont Hospital Research Institute
-
Atlanta, Georgia, United States, 30342
- The Atlanta Heart and Vascular Research Group
-
-
Illinois
-
Chicago, Illinois, United States, 60612
- Rush University Medical Center
-
Elk Grove Village, Illinois, United States, 60007
- Chicago Heart Institute and Vein Clinic
-
Hindsdale, Illinois, United States, 60521
- Illinois Heart and Vascular Foundation
-
-
Indiana
-
Ft. Wayne, Indiana, United States, 46804
- Indiana/Ohio Heart Cardiothoracic and Vascular Surgeons
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Brigham & Women's Hospital
-
-
Michigan
-
Flint, Michigan, United States, 48532
- Cardiothoracic Associates
-
-
New York
-
New York, New York, United States, 10016
- NYU Medical Center
-
-
North Carolina
-
Durham, North Carolina, United States, 27710
- Duke University Medical Center
-
Raleigh, North Carolina, United States, 27610
- Carolina Cardiovascular Surgical Associates, PA
-
Wilmington, North Carolina, United States, 28405
- Memory Assessment and Research Services
-
-
Ohio
-
Toledo, Ohio, United States, 43608
- St. Vincent Mary Medical Center
-
-
Oklahoma
-
Tulsa, Oklahoma, United States, 74104-5428
- Tulsa Clinical Resesarch, LLC
-
-
Pennsylvania
-
Erie, Pennsylvania, United States, 16502
- Consultants in Cardiovascular Diseases Inc.
-
-
Tennessee
-
Knoxville, Tennessee, United States, 37920
- Clinical Research Solutions, PC
-
Nashville, Tennessee, United States, 37212
- Vanderbilt University
-
-
Texas
-
Dallas, Texas, United States, 75226
- Clinical Cardiovascular Research Center
-
Houston, Texas, United States, 77030
- St. Luke's Episcopal Hospital
-
-
Virginia
-
Falls Church, Virginia, United States, 22042
- INOVA Fairfax Hospital
-
Mechanicsville, Virginia, United States, 23116
- Cardiac and Thoracic Surgical Associates, Ltd.
-
-
Washington
-
Tacoma, Washington, United States, 98415
- Multicare Health Systems
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males and females (of non-childbearing potential), 50 to 79 years of age.
- Undergoing CABG surgery with the use of extracorporeal circulation.
- Willing and able to complete cognitive testing.
- Score < 16 on the Center for Epidemiological Studies in Depression scale (CES-D).
- Score > or = 28 on the Mini-Mental State Examination (MMSE).
- Willing and able to provide informed consent to participate in this study
- Fluency in written and spoken English.
Exclusion Criteria:
- Presence of any severe mental illness that could affect interpretation of efficacy data, such as schizophrenia or bipolar affective disorder; any untreated or unstable psychiatric condition including depressive disorder or anxiety disorder.
- History of stroke or other significant neurological disorder
- Transient ischemic attack (TIA) with ongoing cognitive sequelae
- Chronic atrial fibrillation or uncontrolled atrial fibrillation prior to surgery
- Myocardial infarction (MI) within the last 8 weeks and/or previous history of more than 3 MIs
- History of liver dysfunction with ongoing sequelae (including but not limited to liver enzymes > 2.5 x upper limit or normal (ULN) at screening).
- History of renal dysfunction with ongoing sequelae (including but not limited to creatinine value > 2.5 mg/dL at screening).
- Known active alcohol or drug abuse.
- Concurrent use of prescription medications known to enhance memory
- General anesthesia (defined as anesthesia requiring intubation or ventilatory support) within 3 months prior to randomization.
- Cardiopulmonary bypass or thoracotomy within 2 years prior to randomization.
- Undergoing valvular repair or replacement during scheduled CABG surgery.
- Chronic obstructive pulmonary disease (COPD) requiring oxygen therapy.
- Decompensating congestive heart disease
- Subjects on immunosuppressive drugs, such as azathioprine, chemotherapeutic agents, mycophenolate, monoclonal antibodies, or more than 20 mg/day prednisone, within the previous 3 months
- Receipt of any investigational agent or device within 30 days of screening.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
|
1 dose of placebo
|
|
Active Comparator: AL-208
1 dose of 300 mg
|
1 dose of 300 mg
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
The primary objective of this study was to compare mild cognitive impairment in the AL-208 group with the placebo group at 14±3 days after coronary artery bypass graft (CABG) surgery.
Time Frame: 14 days
|
The primary objective of this study was to compare mild cognitive impairment in the AL-208 group with the placebo group at 14±3 days after coronary artery bypass graft (CABG) surgery.
|
14 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
The safety profile of AL-208 in subjects undergoing CABG surgery
Time Frame: 14 days
|
The safety profile of AL-208 in subjects undergoing CABG surgery
|
14 days
|
|
The effect of treatment with AL-208 on postoperative personality changes in subjects undergoing CABG surgery
Time Frame: 14 days
|
The effect of treatment with AL-208 on postoperative personality changes in subjects undergoing CABG surgery
|
14 days
|
|
Concentration of AL-208 in plasma in subjects undergoing CABG surgery
Time Frame: 14 days
|
Concentration of AL-208 in plasma in subjects undergoing CABG surgery
|
14 days
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Director: Elena Matthews, MD, Medical Monitor on behalf of Allon Therapeutics
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- AL 208-201
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.