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An Open-Label Crenezumab Study in Patients With Alzheimer's Disease (CREAD OLE)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03491150
Recruitment Status : Completed
First Posted : April 9, 2018
Last Update Posted : December 4, 2019
Information provided by (Responsible Party):
Hoffmann-La Roche

Brief Summary:
In the BN40031 OLE study, a dose of crenezumab of 60 mg/kg IV Q4W will be offered to all patients who complete Study BN29552 or BN29553 and who meet eligibility criteria in order to evaluate safety in patients on long-term crenezumab treatment and to investigate the effect of crenezumab on the underlying disease process and disease course as an exploratory efficacy objective.

Condition or disease Intervention/treatment Phase
Alzheimer's Disease Drug: Crenezumab (RO5490245) Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 149 participants
Intervention Model: Single Group Assignment
Intervention Model Description: Open Label Extention (OLE)
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicenter, Open-Label, Long-Term Extension Of Phase III Studies (BN29552/BN29553) Of Crenezumab In Patients With Alzheimer's Disease
Actual Study Start Date : April 11, 2018
Actual Primary Completion Date : May 31, 2019
Actual Study Completion Date : May 31, 2019

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Crenezumab
Participants will receive intravenous (IV) Crenezumab.
Drug: Crenezumab (RO5490245)
Crenezumab will be administed by IV, 60 mg/kg every 4 weeks.

Primary Outcome Measures :
  1. Percentage of Participants With Adverse Events (AEs) [ Time Frame: Baseline to end of study (approximately 5 years). ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   Child, Adult, Older Adult
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Previous participation in Study BN29552 or BN29553 and completion of the Week 105 visit.
  • Able to provide written informed consent by the patient or legally authorized representative, if required.
  • Every effort to have the same caregiver participate throughout the duration of the OLE (Open Label Extension) study who also participated in Study BN29552 or BN29553.
  • Willingness and ability to complete all aspects of the study [including MRI (Magnetic Resonance Imaging), lumbar puncture [if applicable], and PET (Positron Emission Tomography) imaging [if applicable].
  • Adequate visual and auditory acuity, in the investigator's judgment, sufficient to perform the neuropsychological testing.
  • For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use a protocol approved contraceptive method and agreement to refrain from donating eggs for at least 8 weeks after last dose.
  • For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use a protocol approved contraceptive method for at least 8 weeks after last dose.

Exclusion Criteria:

  • Patients who discontinued treatment permanently in Study BN29552 or BN29553 for safety reasons.
  • Impaired coagulation.
  • Evidence of more than 10 microbleeds and/or ARIA-H (amyloid-related imaging abnormalities-hemosiderin deposition) at the Study BN29552 or BN29553 Week 105 visit, as assessed by central review of MRI.
  • Diagnosed with three recurrent, symptomatic ARIA-E (amyloid-related imaging abnormalities-edema/effusion) events or exacerbations of previous events.
  • Presence of intracranial lesion that could potentially increase the risk of CNS (Central Nervous System) bleeding.
  • At risk of suicide in the opinion of the investigator.
  • Alcohol and/or substance abuse or dependence within the past 2 years and during the study.
  • Inability to tolerate MRI procedures or contraindication to MRI, including, but not limited to, presence of pacemakers not compatible with MRI, aneurysm clips, artificial heart valves, ear implants, or foreign metal objects in the eyes, skin, or body that would contraindicate an MRI scan; or any other clinical history or examination finding that, in the judgment of the investigator, would pose a potential hazard in combination with MRI.
  • Pregnant or lactating, or intending to become pregnant during the study.
  • Any other severe or unstable medical condition that, in the opinion of the investigator or Sponsor, could be expected to progress, recur, or change to such an extent that it could put the patient at special risk, bias the assessment of the clinical or mental status of the patient to a significant degree, or interfere with the patient's ability to complete the study assessments.
  • Chronic use of anticoagulants or participation in any other investigational drug treatment trial.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03491150

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Sponsors and Collaborators
Hoffmann-La Roche
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Study Director: Clinical Trials Hoffmann-La Roche

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Responsible Party: Hoffmann-La Roche Identifier: NCT03491150    
Other Study ID Numbers: BN40031
2017-002702-12 ( EudraCT Number )
First Posted: April 9, 2018    Key Record Dates
Last Update Posted: December 4, 2019
Last Verified: December 2019

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Hoffmann-La Roche:
Neurodegenerative Diseases
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Neurocognitive Disorders
Mental Disorders
Additional relevant MeSH terms:
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Alzheimer Disease
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Neurodegenerative Diseases
Neurocognitive Disorders
Mental Disorders
Antibodies, Monoclonal
Immunologic Factors
Physiological Effects of Drugs