Phase II Study of Florbetaben (BAY94-9172) PET Imaging for Detection/Exclusion of Cerebral β-amyloid.

January 29, 2014 updated by: Life Molecular Imaging SA

An Open-Label, Non-Randomized Study to Evaluate the Efficacy and Safety of BAY94-9172 (ZK 6013443) Positron Emission Tomography (PET) for Detection of Cerebral ß-Amyloid in Individuals With Down Syndrome Compared to Individuals Without Down Syndrome

To determine the sensitivity of the visual assessment of BAY94-9172 PET images in detecting cerebral β-amyloid in individuals with Down Syndrome (DS) and specificity in individuals without DS. Given that individuals with Down Syndrome develop β-amyloid pathology over the age of 40, the clinical diagnosis of Down Syndrome will serve as the standard of truth.

Study Overview

Status

Status

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

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.

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.
109

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 2

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
      • Sun City, Arizona, United States, 85351
    • Connecticut
      • New Haven, Connecticut, United States, 06510

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

21 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

Study participants were individuals with DS and healthy volunteers (HVs).

  • Main inclusion criteria for individuals without DS

    • >=21 and <= 40 years of age
    • Mini-Mental State Examination (MMSE) >= 28
    • Clinical Dementia Rating (CDR) of 0

  • Main inclusion criteria for individuals with DS

    • >= 40 years of age

Exclusion Criteria:

  • Main exclusion criteria for both groups

    • Unstable medical or psychiatric condition, study specific screening procedures with the understanding that the patient has the right to withdraw from the study at any time

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: Diagnostic
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

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: Florbetaben (BAY94-9172)
Drug: Florbetaben (BAY94-9172)
300 megabecquerels (MBq) as single IV injection of 2 to 10 mL

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
Measure Description
Time Frame
Sensitivity of the Independent Visual Assessment of Detecting Cerebral Amyloid-beta in Individuals With Down Syndrome and Specificity in Subjects Without Down Syndrome
Time Frame: 100-120 min
The primary variables are sensitivity (percentage of DS subjects positive for cerebral beta-amyloid) and specificity (percentage of healthy volunteers negative for cerebral beta-amyloid) of brain uptake of florbetaben based on the majority read of the visual assessment by three independent blinded readers of PET images obtained 100 to 120 minutes post-injection of florbetaben.
100-120 min

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
Measure Description
Time Frame
Sensitivity Results in the Down Syndrome Age Subgroups
Time Frame: 100 - 120 min
The majority read sensitivity (percentage of DS subjects positive for cerebral beta-amyloid by majority read) was computed for the group of DS subjects with age equal to or below the median age (DS-young) and for DS subjects with age above the median age (DS-old). The median age was 46 yrs, with 3 subjects being exactly 46 yrs old. As defined, these subjects were assigned to the DS-young group.
100 - 120 min
Quantitative Parameters Standard Uptake Value Ratio
Time Frame: 100 - 120 min p.i.
The Standard Uptake Value Ratios for florbetaben signal in the frontal cortex, posterior cingulate, lateral temporal cortex, parietal cortex, and cerebellum (white matter) were determined as a quantitative measure of tracer uptake. The SUV is defined as the ratio of (1) the tissue radioactivity concentration c (in MBq/kg) at time point t, and (2) the injected activity (in MBq, extrapolated to the same time t) divided by the body weight (in kg). These SUV numbers from regions of interest were then used to derive SUV ratios (SUVR) using the SUV from the cerebellar cortex as reference.
100 - 120 min p.i.
Consistency Between Visual and Quantitative Efficacy
Time Frame: 100 - 120 min
For a comparison of the results of the visual assessment with the quantitative assessment, descriptive Standardized Uptake Value Ratio (SUVR) statistics were computed separately for DS subjects with an abnormal/normal majority read of the PET scan (DS-PET+/DS-PET-). The SUV is defined as the ratio of (1) the tissue radioactivity concentration c (in MBq/kg) at time point t, and (2) the injected activity (in MBq, extrapolated to the same time t) divided by the body weight (in kg). These SUV numbers from regions of interest were then used to derive SUV ratios (SUVR) using the SUV from the cerebellar cortex as reference.
100 - 120 min

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.
Life Molecular Imaging SA

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

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.
June 1, 2009

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.
January 1, 2011

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.
January 1, 2011

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).
June 24, 2009

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.
June 24, 2009

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.
June 25, 2009

Study Record Updates

Last Update Posted (Estimate)

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.
March 5, 2014

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.
January 29, 2014

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.
January 1, 2014

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.
  • 14311

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