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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Primary Progressive Non-fluent Aphasia Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Treatment for Speech and Language in Primary Progressive Aphasia

NCT04881617
View directory record Official record
Conditions
Primary Progressive Aphasia, Semantic Dementia, Semantic Memory Disorder, Logopenic Progressive Aphasia, Nonfluent Aphasia, Progressive, Aphasia, Aphasia, Progressive
Interventions
Lexical Retrieval Training (LRT), Video-Implemented Script Training for Aphasia (VISTA)
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
2
States / cities
San Francisco, California • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Jul 22, 2026, 10:39 AM EDT
Enrolling by invitation Not applicable Interventional

Primary Progressive Aphasia Multicomponent Language Treatment Study

NCT06649084
View directory record Official record
Conditions
Primary Progressive Aphasia, Semantic Dementia, Semantic Memory Disorder, Logopenic Progressive Aphasia, Nonfluent Aphasia, Progressive, Aphasia, Aphasia, Progressive
Interventions
Multicomponent Lexical Retrieval Training (Multi-LRT), Multicomponent Video Implemented Script Training in Aphasia (Multi-VISTA), Multicomponent Communication Partner Training (Multi-CPT)
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 22, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Communication Bridge Speech Therapy Research Study

NCT02439853
View directory record Official record
Conditions
Primary Progressive Aphasia, Frontotemporal Dementia
Interventions
Monthly Check-in Session
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 10:39 AM EDT
Completed Not applicable Interventional Results available

TMS for the Treatment of Primary Progressive Aphasia

NCT04188067
View directory record Official record
Conditions
Logopenic Variant Primary Progressive Aphasia, Non-fluent Variant Primary Progressive Aphasia, Semantic Variant Primary Progressive Aphasia
Interventions
Active rTMS, SHAM rTMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 22, 2026, 10:39 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of tDCS on Apraxia of Speech in Non-Fluent Primary Progressive Aphasia

NCT04486586
View directory record Official record
Conditions
Primary Progressive Aphasia
Interventions
Active tDCS plus Speech-Language Therapy, Sham plus Speech-Language Therapy
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Jul 22, 2026, 10:39 AM EDT
Terminated Phase 1 Interventional

BIIB092 in Primary Tauopathies: CBS, nfvPPA, sMAPT, and TES

NCT03658135
View directory record Official record
Conditions
Primary Tauopathies, Corticobasal Degeneration Syndrome, Frontotemporal Lobar Degeneration With Tau Inclusions, MAPT Mutation Carriers, Symptomatic, Traumatic Encephalopathy Syndrome, Nonfluent Aphasia, Progressive
Interventions
BIIB092, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
35 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2019 · Synced Jul 22, 2026, 10:39 AM EDT
Completed Early Phase 1 Interventional

rTMS as a Treatment for PPA

NCT03406429
View directory record Official record
Conditions
Logopenic Variant Primary Progressive Aphasia, Non-Fluent Primary Progressive Aphasia
Interventions
Active rTMS, SHAM rTMS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Jul 22, 2026, 10:39 AM EDT
Completed Phase 1 Interventional

Davunetide (AL-108) in Predicted Tauopathies - Pilot Study

NCT01056965
View directory record Official record
Conditions
Predicted Tauopathies, Including, Progressive Supranuclear Palsy, Frontotemporal Dementia With Parkinsonism Linked to Chromosome 17, Corticobasal Degeneration Syndrome, Progressive Nonfluent Aphasia
Interventions
davunetide (AL-108, NAP), Placebo nasal spray
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Jul 22, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Advancing Research and Treatment for Frontotemporal Lobar Degeneration (ARTFL)

NCT02365922
View directory record Official record
Conditions
FTLD, Progressive Supranuclear Palsy (PSP), Frontotemporal Dementia (FTD), Corticobasal Degeneration (CBD), PPA Syndrome, Behavioral Variant Frontotemporal Dementia (bvFTD), Semantic Variant Primary Progressive Aphasia (svPPA), Nonfluent Variant Primary Progressive Aphasia (nfvPPA), FTD With Amyotrophic Lateral Sclerosis (FTD/ALS), Amyotrophic Lateral Sclerosis (ALS), Oligosymptomatic PSP (oPSP), Corticobasal Syndrome (CBS)
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 85 Years
Enrollment
1,489 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 20, 2021 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting No phase listed Observational

Language in Primary Progressive Aphasia

NCT00537004
View directory record Official record
Conditions
Primary Progressive Aphasia
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting Phase 4 Interventional

Longitudinal Multi-Modality Imaging in Progressive Apraxia of Speech

NCT01818661
View directory record Official record
Conditions
PPA, Non-fluent Aphasia, Apraxia of Speech, Primary Progressive Non-fluent Aphasia, Primary Progressive Aphasia
Interventions
AV-1451
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 22, 2026, 10:39 AM EDT
Completed Phase 1 Interventional

PiB PET Scanning in Speech and Language Based Dementias

NCT01623284
View directory record Official record
Conditions
PPA, Primary Progressive Aphasia, Aphasia, Non-fluent Aphasia, Semantic Dementia, Apraxia of Speech, Primary Progressive Nonfluent Aphasia, Progressive Aphasia
Interventions
C-11 PiB, F-18 FDG
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 21, 2015 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting No phase listed Observational

The Neurobiology of Two Distinct Types of Progressive Apraxia of Speech

NCT03313011
View directory record Official record
Conditions
Apraxia of Speech, Non-fluent Aphasia, Primary Progressive Aphasia, Primary Progressive Nonfluent Aphasia
Interventions
Testing protocol for the study
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Transcranial Direct Current Stimulation in the Treatment of Primary Progressive Aphasia

NCT05386394
View directory record Official record
Conditions
Primary Progressive Aphasia, Logopenic Progressive Aphasia, Non-Fluent Primary Progressive Aphasia
Interventions
Active tDCS + Language Therapy, Sham tDCS + Language Therapy
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 90 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Language-specific and Executive-control Networks With Transcranial Direct Current Stimulation in Logopenic Variant PPA

NCT03887481
View directory record Official record
Conditions
Logopenic Progressive Aphasia, Primary Progressive Aphasia
Interventions
High-definition active tDCS (HD-tDCS) + "Repeat After Me" (RAM) Treatment, Sham + "Repeat After Me" (RAM) Treatment
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Jul 22, 2026, 10:39 AM EDT
Recruiting Not applicable Interventional

Intervention for Communication Quality of Life in Primary Progressive Aphasia

NCT07219680
View directory record Official record
Conditions
Primary Progressive Aphasia(PPA), Semantic Dementia, Logopenic Progressive Aphasia (LPA), Nonfluent Aphasia, Progressive, Progressive Aphasia, Semantic Variant Primary Progressive Aphasia (svPPA), Semantic Aphasia, Logopenic Variant Primary Progressive Aphasia, Logopenic Variant of Primary Progressive Aphasia (LPA), Logopenic Progressive Aphasia, Nonfluent Variant Primary Progressive Aphasia (nfvPPA), Nonfluent Progressive Aphasia
Interventions
Multicomponent Lexical Retrieval Cascade Training, Multicomponent Video Implemented Script Training in Aphasia
Behavioral
Lead sponsor
Maya Henry
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 22, 2026, 10:39 AM EDT