Multiple Dose Study of Aducanumab (BIIB037) (Recombinant, Fully Human Anti-Aβ IgG1 mAb) in Participants With Prodromal or Mild Alzheimer's Disease (PRIME)

July 31, 2020 updated by: Biogen

A Randomized, Double-Blinded, Placebo-Controlled Multiple Dose Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of BIIB037 in Subjects With Prodromal or Mild Alzheimer's Disease

The primary objective of this study is to evaluate the safety and tolerability of multiple doses of Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb) in participants with prodromal or mild Alzheimer's Disease (AD). The secondary objectives of this study are to assess the effect on cerebral amyloid plaque content as measured by florbetapir-fluorine-18 (18F-AV-45F-AV-45) positron emission tomography (PET) imaging, to assess the multiple dose serum concentrations of Aducanumab and to evaluate the immunogenicity of Aducanumab after multiple dose administration in this population.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Terminated

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

The study consists of a placebo-controlled period to study week 54, followed by a long-term extension to study week 518. The placebo-controlled period is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel, 2 additional treatment arms beginning in parallel, and the last 2 treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period for up to 42 additional doses of active drug for the first 3 years of LTE. Furthermore, up until the last participant in Arms 8 and 9 has had his or her last dose in the fifth year of the LTE, eligible participants will be able to continue treatment beyond the third year of the LTE.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
197

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Arizona
      • Tucson, Arizona, United States, 85704
        • NNS Clinical Research, LLC
    • California
      • Laguna Hills, California, United States, 92653
        • Senior Clinical Trials, Inc.
      • Lomita, California, United States, 90717
        • Torrance Clinical Research Institute, Inc.
      • Long Beach, California, United States, 90806
        • Collaborative Neuroscience Network, LLC
      • Los Angeles, California, United States, 90095
        • University of California, Los Angeles
      • Oxnard, California, United States, 93030
        • Pacific Neuroscience Medical Group
      • San Diego, California, United States, 92103
        • Pacific Research Network, Inc.
      • San Francisco, California, United States, 94109
        • San Francisco Clinical Research Center
      • Stanford, California, United States, 94304
        • Stanford University Medical Center
    • Connecticut
      • New Haven, Connecticut, United States, 06520
        • Alzheimer's Disease Research Unit, Yale University
    • District of Columbia
      • Washington, District of Columbia, United States, 20057
        • Georgetown University Hospital
    • Florida
      • Delray Beach, Florida, United States, 33445
        • Brain Matters Research, Inc.
      • Fort Myers, Florida, United States, 33912
        • Neuropsychiatric Research Center of Southwest Florida
      • Hallandale Beach, Florida, United States, 33009
        • MD Clinical Trials, Inc.
      • Miami, Florida, United States, 33137
        • Miami Jewish Health Systems
      • Miami Springs, Florida, United States, 33166
        • Galiz Research, LLC
      • Orlando, Florida, United States, 32806
        • Compass Research, LLC
      • Sunrise, Florida, United States, 33351
        • Infinity Clinical Research, Inc.
      • Tampa, Florida, United States, 33609
        • Axiom Clinical Research of Florida
      • Tampa, Florida, United States, 33613
        • Stedman Clinical Trials, LLC
    • Georgia
      • Decatur, Georgia, United States, 30033
        • NeuroStudies.net, LLC
    • Illinois
      • Elk Grove Village, Illinois, United States, 60007
        • Alexian Brothers Neurosciences Institute
    • Indiana
      • Indianapolis, Indiana, United States, 46202
        • Indiana University School of Medicine
    • Missouri
      • Saint Louis, Missouri, United States, 63118
        • St. Louis Clinical Trials, LLC
    • New Jersey
      • Eatontown, New Jersey, United States, 07724
        • Memory Enhancement Center of America, Inc.
      • Marlton, New Jersey, United States, 08053
        • CRI Lifetree
      • Toms River, New Jersey, United States, 08755
        • Advanced Memory Research Institute of NJ
    • New York
      • Latham, New York, United States, 12110
        • Empire Neurology, PC
    • Ohio
      • Beachwood, Ohio, United States, 44122
        • Insight Clinical Trials Llc
    • Oregon
      • Portland, Oregon, United States, 97210
        • Summit Research Network (Oregon) Inc.
    • Rhode Island
      • East Providence, Rhode Island, United States, 02906
        • Brown Hospital
      • Providence, Rhode Island, United States, 02903
        • Rhode Island Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

50 years to 90 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Key Inclusion Criteria:

  • Participants must be ambulatory.
  • Participants must meet the following core clinical criteria as determined by the Investigator:

Prodromal Alzheimer's Disease (AD) (all of the criteria must apply):

  • Mini Mental State Examination (MMSE) scores between 24-30 (inclusive)
  • a spontaneous memory complaint
  • objective memory loss defined as a free recall score of ≤27 on the Free and Cued Selective Reminding Test (FCSRT)
  • a global Clinical Dementia Rating Scale (CDR) score of 0.5
  • absence of significant levels of impairment in other cognitive domains
  • essentially preserved activities of daily living, and an absence of dementia. OR

Mild Alzheimer's Disease (AD) criteria (all criteria must apply):

  • Mini Mental State Examination (MMSE) scores between 20-26 (inclusive)
  • a global Clinical Dementia Rating Scale (CDR) of 0.5 or 1.0
  • meeting the National Institute on Aging-Alzheimer's Association core clinical criteria for probable AD.
  • Participants must have a positive florbetapir positron emission tomography (PET) amyloid scan.
  • Participants must consent to apolipoprotein E (ApoE) genotyping.
  • Apart from clinical diagnosis of Alzheimer's Disease (AD), participant must be in good health.
  • Must have a reliable informant or caregiver.

Key Exclusion Criteria:

  • Any medical or neurological condition (other than Alzheimer's Disease) that might be a contributing cause of the participant's cognitive impairment.
  • Have had a stroke or Transient Ischemic Attack (TIA) or unexplained loss of consciousness in the past 1 year.
  • Clinically significant psychiatric illness in past 6 months.
  • Seizure in the past 3 years.
  • Poorly controlled diabetes mellitus.
  • History of unstable angina, myocardial infarction, chronic heart failure, or clinical significant conduction abnormalities within 1 year prior to Screening.
  • Indication of impaired renal or liver function.
  • Have human immunodeficiency virus (HIV) infection.
  • Have a significant systematic illness or infection in past 30 days.
  • Brain MRI showing evidence of acute or sub-acute micro or macrohemorrhage, greater than 4 microhemorrhages, cortical infarct or greater than one 1 lunar infarct.
  • Any contraindications to brain MRI or positron emission tomography (PET) scans.
  • Negative positron emission tomography (PET) scan with any amyloid-targeting ligand within 48 weeks of Screening.
  • Clinically significant 12-lead electrocardiogram (ECG) abnormalities.
  • Alcohol or substance abuse in past 1 year.
  • Taking blood thinners (except for aspirin at a prophylactic dose or less)
  • Have changes in medications or doses of medication in past 4 weeks.

NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Low-dose #1 Aducanumab
Intravenous doses of low-dose level #1 Aducanumab administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Experimental: Low-dose #2 Aducanumab
Intravenous doses of low-dose level #2 Aducanumab administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Placebo Comparator: Placebo (low dose group)
Intravenous doses of placebo administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Drug: Placebo
Placebo to mimic the low dose, mid-dose and high-dose treatment arms of the experimental intervention; administered by intravenous (IV) infusion on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Experimental: Mid-dose Aducanumab
Intravenous doses of mid-dose Aducanumab administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Placebo Comparator: Placebo (mid dose group)
Intravenous doses of placebo administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Drug: Placebo
Placebo to mimic the low dose, mid-dose and high-dose treatment arms of the experimental intervention; administered by intravenous (IV) infusion on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Experimental: High-dose Aducanumab
Intravenous doses of high-dose Aducanumab administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Placebo Comparator: Placebo (high dose group)
Intravenous doses of placebo administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose administered approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Drug: Placebo
Placebo to mimic the low dose, mid-dose and high-dose treatment arms of the experimental intervention; administered by intravenous (IV) infusion on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Experimental: Aducanumab Titration
Intravenous doses of Aducanumab administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose approximately 4 weeks apart for up to an additional 112 doses.
Drug: Aducanumab (recombinant, fully human anti-Aβ IgG1 mAb)
Participants will receive an infusion of Aducanumab on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic and assigned does levels. The infusion will be administered for approximately 1 hour. The study is conducted with a staggered, parallel group design, with the first 3 treatment arms conducted in parallel, 2 further treatment arms subsequently beginning in parallel and the 2 last treatment arms subsequently beginning in parallel. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.
Other Names:
  • IgG1
  • anti-A* mAb
  • Fully human
Placebo Comparator: Placebo (Titration Group)
Intravenous doses of placebo administered approximately 4 weeks apart over approximately 52 weeks (a total of 14 doses). Qualifying participants can continue into the long-term extension at a dose approximately 4 weeks apart for up to an additional 112 doses.
Drug: Placebo
Placebo to mimic the low dose, mid-dose and high-dose treatment arms of the experimental intervention; administered by intravenous (IV) infusion on Days 1, 29, 57, 85, 113, 141, 169, 197, 225, 253, 281, 309, 337, and 365 (±2 days) at the study clinic. Qualifying participants can enter the long-term extension period at doses described in the treatment arms for up to an additional 112 doses.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Number of Participants with Adverse Events
Time Frame: Baseline to week 518
Baseline to week 518

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Change from baseline in florbetapir-fluorine-18 (18F-AV-45F-AV-45) positron emission tomography (PET) imaging in certain brain areas.
Time Frame: Day 1, Weeks 26, 54, End of year 2, 3, and 4
Day 1, Weeks 26, 54, End of year 2, 3, and 4
Multiple dose pharmacokinetic (PK) serum concentrations of Aducanumab
Time Frame: Up to week 518
Up to week 518
Change from Baseline in Incidence of Anti-Aducanumab Antibodies in Serum.
Time Frame: Up to week 518
Up to week 518

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Biogen

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 5, 2012

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
July 31, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 31, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 30, 2012

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 31, 2012

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
September 3, 2012

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 3, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 31, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 221AD103
  • 2012-000349-10 (EudraCT Number)

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.

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