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Investigating Dynamic Temporal and Tactile Cueing (DTTC) efficacy on Apraxia of Speech (AOS)

Investigating Dynamic Temporal and Tactile Cueing efficacy on speech in stroke patients with Apraxia of Speech

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20240224061099N1
Enrollment
6
Registered
2024-05-04
Start date
2024-12-21
Completion date
Unknown
Last updated
2025-01-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Apraxia of Speech resulting from stroke. Apraxia following cerebral infarction

Interventions

Intervention group: Dynamic Temporal and Tactile Cueing (DTTC) method (24 sessions), 3 times a week, every session lasting 1 hour will be implemented. This treatment method involves a combination of i

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
5 Years to 65 Years

Inclusion criteria

Inclusion criteria: History of a stroke in the dominant hemisphere for the language that has been at least 6 months since its occurrence Be monolingual Persian Passing the Pure Tone Audiometry Screening test at the threshold of 35 dB at frequencies of 500, 1000, and 2000 for at least one ear; if the patient uses a hearing aid, it is necessary to confirm the hearing adequacy at the conversational level by an audiologist Normal or corrected (using lenses or glasses) visual ability Absence of alcohol or drug abuse, psychological and neurological disorders other than stroke based on self-report and confirmation by their medical records Obtaining a normal range score of the non-verbal intelligence test using Raven's progressive matrices Being right-handed by Edinburgh handedness questionnaire Absence of dysarthria or mild dysarthria according to the Frenchay Dysarthria Assessment 2 (FDA-2) Auditory comprehension above 50% in Persian Mississippi Aphasia Screening Test (MASTp) and Persian Diagnostic Aphasia Battery (P-DAB-1) Has a literacy level of 8th grade and above Diagnosis as AOS based on supplemental verbal apraxia test Obtaining a minimum score of 32 (moderate severity) and above in the verbal apraxia test

Exclusion criteria

Exclusion criteria: History of more than a stroke in the dominant hemisphere for the language 6 months have not passed since the stroke Not passing the Pure Tone Audiometry Screening test at the threshold of 35 dB at frequencies of 500, 1000, and 2000 for at least one ear Failure to confirm hearing adequacy at the conversational level by an audiologist Absence of normal vision or inability to correct defective vision using lenses or glasses History of alcohol or drug abuse, psychological and neurological disorders other than stroke based on self-report and confirmation by medical records Not obtaining a normal range score of the non-verbal intelligence test using Raven's progressive matrices Not being right-handed, according to the Edinburgh Handedness Questionnaire Having dysarthria above mild severity according to the Frenchay Dysarthria Assessment 2 (FDA-2) test Not to be achieved auditory comprehension above 50% in the Persian Mississippi Aphasia Screening Test (MASTp) and the Persian Diagnostic Aphasia Battery (P-DAB-1) Has a literacy level lower than 8th grade Not diagnosing as AOS based on supplemental verbal apraxia test Obtaining a score of lower than 32 in the verbal apraxia test

Design outcomes

Primary

MeasureTime frame
Trained words and phrases accuracy. Timepoint: Continuous assessments in probe sessions in baseline, treatment and following phases. Method of measurement: Percentage of accurate words and phrases.;Un-trained words and phrases accuracy. Timepoint: Continuous assessments in probe sessions in baseline, treatment and following phases. Method of measurement: Percentage of accurate words and phrases.;Percentage of Consonants Correct in trained words and phrases. Timepoint: Continuous assessments in probe sessions in baseline, treatment, and following phases. Method of measurement: The number of consonants produced correctly in the trained words and phrases is divided by the total number of consonants and expressed as a percentage.;Percentage of Consonants Correct (PCC) in un-trained words and phrases. Timepoint: Continuous assessments in probe sessions in baseline, treatment and following phases. Method of measurement: The number of consonants produced correctly in the un-trained words and phrases is divided by the total number of consonants and expressed as a percentage.;Percentage of Vowels Correct (PVC) in trained words and phrases. Timepoint: Continuous assessments in probe sessions in baseline, treatment and following phases. Method of measurement: The number of vowels produced correctly in the trained words and phrases is divided by the total number of consonants and expressed as a percentage.;Percentage of Vowels Correct (PVC) in un-trained words and phrases. Timepoint: Continuous assessments in probe sessions in baseline, treatment and following phases. Method of measurement: The number of vowels produced correctly in the un-trained words and phrases is divided by the total number of consonants and expressed as a percentage.

Secondary

MeasureTime frame
Type of aphasia. Timepoint: Before starting the baseline and after completing the treatment phase. Method of measurement: Based on comprehension and expression scores by The Persian version of the Mississippi Aphasia Screening Test (MASTp).;Aphasia severity. Timepoint: Before starting the baseline and after completing the treatment phase. Method of measurement: Based on Persian Diagnostic Aphasia Battery (P-DAB-1) score.;Apraxia of Speech severity. Timepoint: Before starting the baseline and after completing the treatment phase. Method of measurement: Based on verbal apraxia tasks for adults score.;Intelligibility in words and sentences. Timepoint: Before starting the baseline and after completing the treatment phase. Method of measurement: Based on speech intelligibility of Frenchay Dysarthria Assessment (FDA - 2).;Percentage of Consonant Correct in producing words and spontaneous speech. Timepoint: Before starting the baseline and after completing the treatment phase. Method of measurement: Based on phonetic information test and spontaneous speech sample.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMaryam Alizadeh

Tehran University of Medical Sciences

alizadeh-m@razi.tums.ac.ir+98 21 7753 3939

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026