Open Label Extension Study Evaluating Safety and Tolerability of AAB-003 (PF-05236812) in Subject With Mild to Moderate Alzheimer's Disease

This study is currently recruiting participants.
Verified May 2013 by Pfizer
Sponsor:
Collaborator:
JANSSEN Alzheimer Immunotherapy Research & Development, LLC
Information provided by (Responsible Party):
Pfizer
ClinicalTrials.gov Identifier:
NCT01369225
First received: May 10, 2011
Last updated: May 6, 2013
Last verified: May 2013
  Purpose

This is a study to evaluate the safety and tolerability of multiple doses of AAB-003 (PF-05236812) in patients with mild to moderate Alzheimer's Disease. Patients who complete study B2601001 may participate in this trial and receive AAB-003 (PF-05236812). Each patient's participation will last approximately 52 weeks.


Condition Intervention Phase
Alzheimer's Disease
Drug: AAB-003 (PF-05236812)
Phase 1

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: A Multicenter, Open-label Extension, Multiple-dose, Parallel Group Study to Investigate the Long-term Safety and Tolerability of AAB-003 (PF-05236812) Administered Intravenously in Subjects With Mild to Moderate Alzheimer's Disease Previously Treated With AAB-003 or Placebo in Protocol B2601001

Resource links provided by NLM:


Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Adverse events, clinical laboratory results, vital signs, physical and neurological examinations, ECGs, Columbia Suicide Severity Rating Scale (C-SSRS), magnetic resonance imaging (MRI) of the brain. [ Time Frame: 52 weeks ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • The presence of anti-product antibodies to AAB-003 will be determined in serum [ Time Frame: 52 weeks ] [ Designated as safety issue: Yes ]
  • Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-cog) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • Disability Assessment in Dementia (DAD) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • Neuropsychiatric Inventory (NPI) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • Clinical Demential Rating Sum of Boxes (CDR-SB) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • Mini Mental State Exam (MMSE) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • CSF abeta, tau, p-tau, AAB-003 concentrations [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]
  • Plasma abeta concentrations and associated parameters (eg, Cmax, Tmax, AUClast, AUCinf, t1/2, as appropriate) [ Time Frame: 52 weeks ] [ Designated as safety issue: No ]

Estimated Enrollment: 104
Study Start Date: July 2011
Estimated Study Completion Date: October 2014
Estimated Primary Completion Date: October 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 0.5 mg/kg AAB-003 Drug: AAB-003 (PF-05236812)
0.5 mg/kg AAB-003, IV
Experimental: 1 mg/kg AAB-003 Drug: AAB-003 (PF-05236812)
1 mg/kg AAB-003, IV
Experimental: 2 mg/kg AAB-003 Drug: AAB-003 (PF-05236812)
2 mg/kg AAB-003, IV
Experimental: 4 mg/kg AAB-003 Drug: AAB-003 (PF-05236812)
4 mg/kg AAB-003, IV
Experimental: 8 mg/kg AAB-003 Drug: AAB-003 (PF-05236812)
8 mg/kg AAB-003, IV

  Eligibility

Ages Eligible for Study:   50 Years to 90 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Successful completion of study B2601001
  • MMSE 12 or greater

Exclusion Criteria:

  • Study B2601001 Week 32 MRI with clinically important exclusionary findings.
  • Experienced SAE, vasogenic edema and/or intracranial hemorrhage in study B2601001
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01369225

Contacts
Contact: Pfizer CT.gov Call Center 1-800-718-1021

Locations
United States, Florida
Pfizer Investigational Site Active, not recruiting
Hallandale Beach, Florida, United States, 33009
Pfizer Investigational Site Active, not recruiting
Ocala, Florida, United States, 34471
Pfizer Investigational Site Active, not recruiting
Ocala, Florida, United States, 34481
United States, Georgia
Pfizer Investigational Site Active, not recruiting
Atlanta, Georgia, United States, 30308
United States, Maryland
Pfizer Investigational Site Completed
Bethesda, Maryland, United States, 20814
Pfizer Investigational Site Completed
Rockville, Maryland, United States, 20850
United States, Michigan
Pfizer Investigational Site Recruiting
Kalamazoo, Michigan, United States, 49048
United States, Mississippi
Pfizer Investigational Site Recruiting
Flowood, Mississippi, United States, 39232
United States, Missouri
Pfizer Investigational Site Active, not recruiting
Creve Coeur, Missouri, United States, 63141
Pfizer Investigational Site Active, not recruiting
St. Louis, Missouri, United States, 63044
United States, New Jersey
Pfizer Investigational Site Completed
Eatontown, New Jersey, United States, 07724
Pfizer Investigational Site Completed
Edison, New Jersey, United States, 08837
Pfizer Investigational Site Completed
Oakhurst, New Jersey, United States, 07755
Korea, Republic of
Pfizer Investigational Site Active, not recruiting
Seongnam-si, Gyeonggi-do, Korea, Republic of, 463-707
Pfizer Investigational Site Recruiting
Incheon, Korea, Republic of, 400-711
Pfizer Investigational Site Recruiting
Seoul, Korea, Republic of, 136-705
Pfizer Investigational Site Active, not recruiting
Seoul, Korea, Republic of, 135-710
Pfizer Investigational Site Recruiting
Seoul, Korea, Republic of, 143-914
Pfizer Investigational Site Recruiting
Seoul, Korea, Republic of, 138-736
Sponsors and Collaborators
Pfizer
JANSSEN Alzheimer Immunotherapy Research & Development, LLC
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
No publications provided

Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT01369225     History of Changes
Other Study ID Numbers: B2601003
Study First Received: May 10, 2011
Last Updated: May 6, 2013
Health Authority: United States: Food and Drug Administration

Keywords provided by Pfizer:
Randomized
Safety Study
Open Label

Additional relevant MeSH terms:
Alzheimer Disease
Dementia
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Tauopathies
Neurodegenerative Diseases
Delirium, Dementia, Amnestic, Cognitive Disorders
Mental Disorders

ClinicalTrials.gov processed this record on June 18, 2013