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Brain Fibrillarab LevelsPhase 3NCT01165554

Positron Emission Tomography (PET) Imaging of Brain Amyloid Compared to Post-Mortem Levels

A Phase 3 study testing [18F] Flutemetamol in people with Brain Fibrillarab Levels, run by GE Healthcare at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To determine the level of association between quantitative regional estimates of brain uptake of [18F]flutemetamol and quantitative immunohistochemical regional estimates of brain levels of amyloid estimated from post-mortem analysis of corresponding brain tissue samples. Read more about this study

Who is it for?
Ages 55 years and older
Conditions the study is for
Brain Fibrillarab Levels
What is being tested?
[18F] Flutemetamol
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
203 participants
Where
1 siteUnited States
Study dates
May 2010to Nov 2011
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 55 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • The subject has a short life expectancy (approximately 1 year or less) as estimated by the Investigator.
  • The subject is 70 years of age or older if cognitively normal, or 55 years of age or older if terminal because of dementia.
  • The subject's general health is adequate to undergo the study procedures.

Who cannot join

  • The subject has a contraindication for PET.
  • The subject has a known or suspected hypersensitivity/allergy to [18F]flutemetamol or to any of the excipients.
  • The subject is unable to tolerate or cooperate with study procedures.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • GE Healthcare

    Princeton, New Jersey, 08540

Other trials in United States

About this study

Official title: A Principal Open-Label Study to Compare the Brain Uptake of [18F]Flutemetamol With Brain Amyloid Levels Determined Post-Mortem

To determine the level of association between quantitative regional estimates of brain uptake of [18F]flutemetamol and quantitative immunohistochemical regional estimates of brain levels of amyloid estimated from post-mortem analysis of corresponding brain tissue samples.

Being tested
[18F] Flutemetamol
Keywords
Amyloid, PET-Positron Emission Tomography, SUVR-Standard uptake value ratios
Medical subject headings
Alzheimer Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • [18F] FlutemetamolDrug

    Also called AH110690

    Flutemetamol (18F) Injection, 111 to 370 MBq (3 to 10 mCi), single intravenous injection.

Study groups in NCT01165554
Study groupRoleWhat they receive
[18F] FlutemetamolExperimentalNot described
Receives: Drug: [18F] Flutemetamol

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The Sensitivity of Blinded Visual Interpretations of [18F]Flutemetamol Positron Emission Tomography (PET) Images Without Anatomic Brain Images for Detecting Brain Fibrillar Amyloid β.

    A calculation used to assess Sensitivity was (Number of Blinded Reads determined abnormal by Reader "N") divided by the (Total number of abnormal participants).

    Blinded visual interpretations of [18F]flutemetamol Positron Emission Tomography (PET) images without anatomic brain images for detecting brain fibrillar amyloid β.

    Measured: Post flutemetamol administration.

Secondary outcomes (3)
  1. Blinded Visual Interpretation of Each Subject's Flutemetamol F 18 Injection Brain PET Images as Normal, Without Anatomic Brain Images.

    A calculation used to assess Specificity was (Number of Blinded Reads determined normal by Reader "N") divided by the (Total number of normal participants).

    Blinded visual interpretation of each subject's Flutemetamol F 18 Injection brain PET images as normal, without anatomic brain images.

    Measured: Post Flutemetamol administrations

  2. Blinded Visual Interpretation of Each Subject's Flutemetamol F 18 Injection Brain PET Images as Abnormal, With Anatomic CT Brain Images for Reference.

    Blinded visual interpretation of each subject's Flutemetamol F 18 Injection brain PET images as abnormal, with anatomic CT brain images for reference.

    Measured: Post flutemetamol administration.

  3. Blinded Visual Interpretation of Each Subject's Flutemetamol F 18 Injection Brain PET Images as Normal, With Anatomic CT Brain Images for Reference.

    Blinded visual interpretation of each subject's Flutemetamol F 18 Injection brain PET images as normal, with anatomic CT brain images for reference.

    Measured: Post flutemetamol administration.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 Jul 2010 (estimated)
  2. Study startMay 2010
  3. Primary completionNov 2011
  4. Study completionNov 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
203 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01165554
Sponsor's protocol ID
GE-067-007
Status last verified
Nov 2013
First submitted
21 Jun 2010
Last updated
4 Dec 2013
Data monitoring committee
No

Publications

  • Kim SJ, Jang H, Yoo H, Na DL, Ham H, Kim HJ, Kim JP, Farrar G, Moon SH, Seo SW. Clinical and Pathological Validation of CT-Based Regional Harmonization Methods of Amyloid PET. Clin Nucl Med. 2024 Jan 1;49(1):1-8. doi: 10.1097/RLU.0000000000004937. Epub 2023 Nov 29.

    PubMed 38048354
  • Tome SO, Tsaka G, Ronisz A, Ospitalieri S, Gawor K, Gomes LA, Otto M, von Arnim CAF, Van Damme P, Van Den Bosch L, Ghebremedhin E, Laureyssen C, Sleegers K, Vandenberghe R, Rousseau F, Schymkowitz J, Thal DR. TDP-43 pathology is associated with increased tau burdens and seeding. Mol Neurodegener. 2023 Sep 30;18(1):71. doi: 10.1186/s13024-023-00653-0.

    PubMed 37777806
  • Thal DR, Ronisz A, Tousseyn T, Rijal Upadhaya A, Balakrishnan K, Vandenberghe R, Vandenbulcke M, von Arnim CAF, Otto M, Beach TG, Lilja J, Heurling K, Chakrabarty A, Ismail A, Buckley C, Smith APL, Kumar S, Farrar G, Walter J. Different aspects of Alzheimer's disease-related amyloid beta-peptide pathology and their relationship to amyloid positron emission tomography imaging and dementia. Acta Neuropathol Commun. 2019 Nov 14;7(1):178. doi: 10.1186/s40478-019-0837-9.

    PubMed 31727169
  • Thal DR, Beach TG, Zanette M, Lilja J, Heurling K, Chakrabarty A, Ismail A, Farrar G, Buckley C, Smith APL. Estimation of amyloid distribution by [18F]flutemetamol PET predicts the neuropathological phase of amyloid beta-protein deposition. Acta Neuropathol. 2018 Oct;136(4):557-567. doi: 10.1007/s00401-018-1897-9. Epub 2018 Aug 19.

    PubMed 30123935
  • Ikonomovic MD, Buckley CJ, Heurling K, Sherwin P, Jones PA, Zanette M, Mathis CA, Klunk WE, Chakrabarty A, Ironside J, Ismail A, Smith C, Thal DR, Beach TG, Farrar G, Smith AP. Post-mortem histopathology underlying beta-amyloid PET imaging following flutemetamol F 18 injection. Acta Neuropathol Commun. 2016 Dec 12;4(1):130. doi: 10.1186/s40478-016-0399-z.

    PubMed 27955679

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing [18F] Flutemetamol in people with Brain Fibrillarab Levels, run by GE Healthcare at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Dec 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 4 Dec 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The Sensitivity of Blinded Visual Interpretations of [18F]Flutemetamol Positron Emission Tomography (PET) Images Without Anatomic Brain Images for Detecting Brain Fibrillar Amyloid β. (time frame: Post flutemetamol administration.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01165554, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Dec 2013.

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