Cognitive Reserve and Response to Speech-Language Intervention in Bilingual Speakers With Primary Progressive Aphasia

Part of paid clinical trials in Austin, Texas.

Sponsor
Stephanie Grasso
Study ID
NCT05741853
Status
Recruiting
Apply to this trial

Conditions

  • Alzheimer Disease
  • Aphasia
  • Apraxia, Motor
  • Bilingual Aphasia
  • Communication Disorders
  • Dementia
  • Dementia, Frontotemporal
  • Dysarthria
  • Frontotemporal Lobar Degeneration
  • Language Disorders
  • Neurocognitive Disorders
  • Neurodegenerative Diseases
  • Primary Progressive Aphasia
  • Speech Disorders

Eligibility Criteria

Sex
ALL
Age
40 Years - N/A
Healthy Volunteers
Accepted

Interventions

  • Video-Implemented Script Training for Aphasia (VISTA) — BEHAVIORAL
    Participants with nonfluent/agrammatic variant primary progressive aphasia (PPA) or a predominantly nonfluent profile work on producing personally relevant scripts of 4-6 sentences in length. Length and complexity of scripts are individually tailored. The participant completes two (one hour each) teletherapy sessions per week with a clinician targeting clear and accurate script production, script memorization, and conversational usage of scripts. The participant completes 30 minutes of independent, computer-based practice 5-7 times per week, during which they speak in unison with a video/audio model of a healthy speaker clearly articulating the scripts.
  • Lexical Retrieval Training (LRT) — BEHAVIORAL
    Participants with logopenic variant PPA, participants with semantic variant PPA, and participants with a predominantly anomic profile will work on producing spoken and written names of personally relevant target items using a self-cueing hierarchy. Treatment focuses on the use of strategies that capitalize on spared cognitive-linguistic abilities to support word retrieval. The participant completes two (one hour each) teletherapy sessions per week with a clinician plus 30 minutes of additional independent, computer-based practice exercises 5-7 times per week.

Study Details

Difficulties with speech and language are the first and most notable symptoms of primary progressive aphasia (PPA). While there is evidence that demonstrates positive effects of speech-language treatment for individuals with PPA who only speak one language (monolinguals), there is a significant need for investigating the effects of treatment that is optimized for bilingual speakers with PPA. This stage 2 efficacy clinical trial seeks to establish the effects of culturally and linguistically tailored speech-language interventions administered to bilingual individuals with PPA. The overall aim of the intervention component of this study is to establish the relationships between the bilingual experience (e.g., how often each language is used, how "strong" each language is) and treatment response of bilinguals with PPA. Specifically, the investigators will evaluate the benefits of tailored speech-language intervention administered in both languages to bilingual individuals with PPA (60 individuals will be recruited). The investigators will conduct an assessment before treatment, after treatment and at two follow-ups (6 and 12-months post-treatment) in both languages. When possible, a structural scan of the brain (magnetic resonance image) will be collected before treatment in order to identify if brain regions implicated in bilingualism are associated with response to treatment. In addition to the intervention described herein, 30 bilingual individuals with PPA will be recruited to complete behavioral cognitive-linguistic testing and will not receive intervention. Results will provide important knowledge about the neural mechanisms of language re-learning and will address how specific characteristics of bilingualism influence cognitive reserve and linguistic resilience in PPA.

Key Dates

Start date
May 1, 2023
Status verified
Jun 2026
Primary completion
Nov 30, 2027
Completion
Nov 30, 2027

Study Design

Enrollment
60 participants (estimated)
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: Lexical Retrieval Training
    Naming intervention for individuals with logopenic or semantic variant PPA.
  • Experimental: Video Implemented Script Training for Aphasia
    Script training intervention for individuals with nonfluent/agrammatic PPA.

Primary Outcome Measure

Percent correct intelligible words from trained/untrained scripts [ Time Frame: Pre-phase 1, post-phase1/pre-phase 2 (4.5 weeks from treatment onset), post-phase 2 (9 weeks from treatment onset), 6 months and 1 year post-treatment ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
University of Texas at AustinAustinTexas78752
Camille Wagner Rodríguez, M.S.
[email protected]
Stephanie M Grasso, Ph.D. (PRINCIPAL_INVESTIGATOR)

Find similar trials in Austin, TX

By condition
Alzheimer's disease
By specialty
NeurologyDementia careBrain disordersGeriatrics
By research site
University of Texas at Austin· Austin, TX

Related Studies