ClinicalTrials.gg
CompletedNCT02676843Updated Dec 6, 2019Results posted

Tau PET Imaging With 18F-AV-1451 in Subjects With MAPT Mutations

A Phase 2 interventional study of 18F-AV-1451 in Frontotemporal Lobar Degeneration (FTLD), Frontotemporal Dementia (FTD) and Tauopathies, sponsored by Columbia University. Completed at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2019-12-06.

Primary conditionFrontotemporal DementiaRegistry: Frontotemporal Lobar DegenerationReclassifiedWhy we changed it
Registry
Frontotemporal Lobar Degeneration — the first condition term the registry derived for this study.
ClinicalTrials.gg
Frontotemporal Dementia
Why
  1. The study's listed conditions name Frontotemporal Dementia, a narrower term within Frontotemporal Lobar Degeneration.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Columbia University · Phase 2, Interventional, and Diagnostic

Phase
Phase 2
Study type
Interventional
Enrollment
7
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 103 studies in Frontotemporal Dementia with a site in United States — 31 open to participants now, 45 under way, none of them phase 3. Frontotemporal Dementia · United States.

Enrollment
62nd of 66
7 · median 60
Started
2016
with 3 others
Phase 2
14 of 103
4 open now
Registered
31st of 103
by date
Lead sponsor
3 of 103
Columbia University

Among the 103 studies in Frontotemporal Dementia with a site in United States, this one is the 62nd largest by enrollment of the 66 interventional ones that give a count, is one of 4 that started in 2016, is one of 14 in phase 2, and was the 31st registered.

Frontotemporal Dementia

208 studies on the registry are indexed under Frontotemporal Dementia; 72 are open to participants now.

This study's enrollment of 7 is below the median of 50 across 128 interventional studies indexed under Frontotemporal Dementia.

Browse Frontotemporal Dementia studies →

Open to participants now

31 of the 103 studies in Frontotemporal Dementia with a site in United States are open now.

All 31 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 51 Frontotemporal Dementia studies recruiting now, 29 (57%) set no upper age limit and 5 (10%) stop at 75 or younger; 6 take children under 18; 30 take healthy volunteers.

This study: 18 Years and older · all sexes · healthy volunteers too.

The full table on the hub →
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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 103 studies in Frontotemporal Dementia with a site in United States, or all of them as a file.
02

Study summary

The study will investigate the ability of a new PET tracer, 18F-AV-1451, to detect depositions of a protein, called tau, in the brains of people with a mutation in the tau gene that causes deposition of the protein, and in people without the mutation. Up to three 18F-AV-1451 scans will be performed (one per year) on control subjects without MAPT mutations, presymptomatic mutation carriers, and symptomatic mutation carriers.

Read the detailed description

Approximately 40% of cases of Frontotemporal lobar Degeneration (FTLD) are also associated with abnormal deposition of tau protein. The purpose of this study is to image MAPT mutation carriers and their non-carrier relatives in order to study the use of this tracer as a biomarker in Frontotemporal Lobar Degeneration with tau deposition (FTLD-tau).

03

Conditions studied

  • Frontotemporal Lobar Degeneration (FTLD)
  • Frontotemporal Dementia (FTD)
  • Tauopathies

Browse trials for

Keywords

  • FTLD
  • FTD
04

In context

Frontotemporal Dementia Reclassified

208 studies on the registry are indexed under Frontotemporal Dementia; 72 are open to participants now.

This study's enrollment of 7 is below the median of 50 across 128 interventional studies indexed under Frontotemporal Dementia.

Browse Frontotemporal Dementia studies →

Lead sponsor

Columbia University is the lead sponsor of 1,136 studies on the registry; 195 are open to participants now.

Of its 180 completed or terminated interventional studies of FDA-regulated products, 148 (82%) have results posted.

Compared within Frontotemporal Dementia, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Frontotemporal Lobar Degeneration. The counts are of registry records indexed under each term, refreshed daily. How we classify →

05

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Members of families with established MAPT mutations, who either have the capacity to consent to participate in the protocol, or else have designated a surrogate/proxy to consent to participate in this study

Exclusion criteria

Exclusion Criteria:

  • Unwillingness to participate
  • Usage of medication which significantly prolongs
  • Pregnancy or plans for pregnancy within 90 days after participating in study
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

06

Study design

Phase
Phase 2
Primary purpose
Diagnostic
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
7 participants (actual)

Study arms

  • Experimental
    18F-AV-1451

    Subjects who are microtubule associated protein tau (MAPT) family carriers and non-carriers will receive 18F-AV-1451 by injection, and undergo a Positron Emission Tomography (PET) scan, which will then be qualitatively analyzed to examine tau deposition in the brain.

    Drug: 18F-AV-1451

Interventions

  • A single injection of up to 10 millicuries of 18F-AV-1451 will be administered to subjects, followed by a 20-minute PET scan.

    Also known as: [18F]AV-1451

07

What researchers measure

Primary outcomes

  1. SUVR of 18F-AV-1451

    Regional tau deposition will be measured as standardized uptake value ratio (SUVR) of 18F-AV-1451. SUVR (80-100 min post-injection) for 18F-AV-1451 will be calculated two ways: 1) using cerebellar crus as a reference region, and 2) using the Parametric Estimation of Reference Signal Intensity (PERSI) method to create individual white matter reference regions. Binding in the inferior temporal lobe/cortex was used as the primary outcome.

    Time frame: Baseline, 12-month follow up

08

Results

Posted Dec 6, 2019

Participant flow

Participant flow — Overall Study
Milestone18F-AV-1451
Started7
Completed7
Not completed0

Outcome measures

PrimarySUVR of 18F-AV-1451

Regional tau deposition will be measured as standardized uptake value ratio (SUVR) of 18F-AV-1451. SUVR (80-100 min post-injection) for 18F-AV-1451 will be calculated two ways: 1) using cerebellar crus as a reference region, and 2) using the Parametric Estimation of Reference Signal Intensity (PERSI) method to create individual white matter reference regions. Binding in the inferior temporal lobe/cortex was used as the primary outcome.

Time frame:
Baseline, 12-month follow up
Reported as:
Median · standardized uptake value ratio (SUVR)
SUVR of 18F-AV-1451
standardized uptake value ratio (SUVR)18F-AV-1451 - Non-carriers18F-AV-1451 - Carriers
Inferior temporal cortex (Cerebellar crus)1.07 (0.99 to 1.14)1.26 (1.21 to 1.26)
Inferior temporal cortex (PERSI)1.03 (1.01 to 1.05)1.34 (1.26 to 1.36)

Adverse events

Collected over Up to 2 years. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
18F-AV-14510/7 (0%)0/7 (0%)4/7 (57.1%)
Most frequent other events
Most frequent other events
Event18F-AV-1451
InsomniaGeneral disorders2/7
HeadacheGeneral disorders2/7

Baseline characteristics

Age, Customized
Age, Customized(Participants)18F-AV-1451
18-21 years0
22-29 years1
30-39 years1
40-49 years0
50-59 years4
60-69 years1
Sex: Female, Male
Sex: Female, Male(Participants)18F-AV-1451
Female5
Male2
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)18F-AV-1451
Hispanic or Latino0
Not Hispanic or Latino7
Unknown or Not Reported0
Race (NIH/OMB)
Race (NIH/OMB)(Participants)18F-AV-1451
American Indian or Alaska Native0
Asian0
Native Hawaiian or Other Pacific Islander0
Black or African American0
White7
More than one race0
Unknown or Not Reported0
Region of Enrollment
Region of Enrollment(participants)18F-AV-1451
United States7
09

Study locations

1 site
  • Morton A. Kreitchman PET Center
    New York, New York 10032, United States
10

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Yes — De-identified clinical characteristics subjects such as age, mutation and rating scale/score of mental state in the manuscript.

Time frame: Availability of the manuscript through journal editors

Access criteria: Availability of the manuscript through journal editors

11

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Apr 2016 to primary completion in Nov 2018, 31 months.

Results were first posted in Dec 2019, 1 year after primary completion.

Of 19 phase 2 interventional studies under Frontotemporal Dementia, half reached primary completion within 55 months of starting (the median), counting those still running; a quarter within 42 and three quarters within 64. This study's 31 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 15, 2016
First posted
Feb 8, 2016
StartActual
Apr 2016
Primary completionActual
Nov 25, 2018
CompletionActual
Nov 25, 2018
Results first posted
Dec 6, 2019
Last update
Dec 6, 2019
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Dec 6, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
12

Registry details

Key details

Study ID
NCT02676843
Responsible party
Edward D Huey, MD (Assistant Professor of Psychiatry and Neurology, Columbia University) — Principal investigator
First posted
Feb 8, 2016
Start date
Apr 2016
Primary completion
Nov 25, 2018
Completion
Nov 25, 2018
Results posted
Dec 6, 2019
Last update
Dec 6, 2019

Study contacts

Edward Huey, MD
principal investigator · Columbia University

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Nov 2019. You cannot join it, but the record below documents what was studied.

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