NCT01818661

Brief Summary

The study is designed to determine the relationship between structural and functional changes in the brain on imaging and progression of speech and language, neurological and neuropsychological features in patients with neurodegenerative apraxia of speech (AOS).

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for phase_4

Timeline
25mo left

Started Jul 2018

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress79%
Jul 2018Jun 2028

First Submitted

Initial submission to the registry

March 20, 2013

Completed
6 days until next milestone

First Posted

Study publicly available on registry

March 26, 2013

Completed
5.3 years until next milestone

Study Start

First participant enrolled

July 1, 2018

Completed
9.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2028

Last Updated

November 12, 2025

Status Verified

November 1, 2025

Enrollment Period

9.9 years

First QC Date

March 20, 2013

Last Update Submit

November 10, 2025

Conditions

Keywords

apraxia of speechnon-fluent aphasiaaphasia

Outcome Measures

Primary Outcomes (1)

  • measurement of longitudinal change in neuroimaging and the correlation between change on serial imaging measures and concurrent change on longitudinal measures of clinical performance in neurodegenerative AOS with or without non-fluent aphasia (NFA)

    approxiamtely 1-2 years after baseline imaging

Study Arms (1)

Tau positron emission tomography (PET)

EXPERIMENTAL

All subjects will receive Tau PET scan on approximately day 1 or day 2 of study to assess Tau burden in the brain.

Drug: AV-1451

Interventions

This is used to assess Tau burden in the brain.

Tau positron emission tomography (PET)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may not qualify if:

  • Subjects with concurrent illnesses that could account for speech and language deficits, such as traumatic brain injury, strokes or developmental syndromes will be excluded.
  • Women that are pregnant or post-partum and breast-feeding will be excluded. All women who can become pregnant must have a pregnancy test no more than 48 hours before the PET scan.
  • Subjects will also be excluded if MRI is contraindicated (metal in head, cardiac pace maker, e.t.c.), if there is severe claustrophobia, if there are conditions that may confound brain imaging studies (e.g. structural abnormalities, including subdural hematoma or intracranial neoplasm), or if they are medically unstable or are on medications that might affect brain structure or metabolism,(e.g. chemotherapy).
  • Subjects will also be excluded if they do not have an informant, or do not consent to research.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mayo Clinic

Rochester, Minnesota, 55905, United States

RECRUITING

MeSH Terms

Conditions

Aphasia, BrocaApraxiasPrimary Progressive Nonfluent AphasiaAphasia, Primary ProgressiveAphasia

Interventions

7-(6-fluoropyridin-3-yl)-5H-pyrido(4,3-b)indole

Condition Hierarchy (Ancestors)

Speech DisordersLanguage DisordersCommunication DisordersNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsPsychomotor DisordersDementiaBrain DiseasesCentral Nervous System DiseasesFrontotemporal Lobar DegenerationTDP-43 ProteinopathiesNeurodegenerative DiseasesProteostasis DeficienciesMetabolic DiseasesNutritional and Metabolic DiseasesNeurocognitive DisordersMental Disorders

Study Officials

  • Jennifer Whitwell, PhD

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Sarah Boland, CCRP

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PI

Study Record Dates

First Submitted

March 20, 2013

First Posted

March 26, 2013

Study Start

July 1, 2018

Primary Completion (Estimated)

June 1, 2028

Study Completion (Estimated)

June 1, 2028

Last Updated

November 12, 2025

Record last verified: 2025-11

Data Sharing

IPD Sharing
Will not share

Locations