Treatment of Cantonese Speakers With Childhood Apraxia of Speech

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

4 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-15

Study Completion Date

2025-02-01

Brief Summary

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The proposed study aims to investigate the efficacy of the Dynamic Temporal and Tactile Cueing treatment in Cantonese-English bilingual speakers with childhood apraxia of speech.

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Detailed Description

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Four CE children with CAS will be recruited and receive two versions of the DTTC treatment (i.e., DTTC in English \[DTTC-E\] and DTTC in Cantonese \[DTTC-C\]). After the initial assessment and baseline probe sessions, all the participants will be randomly assigned to receive either DTTC-E or DTTC-C in the first 6-week treatment phase. Then, the between-treatment probe sessions will be conducted during a 2-week washout period. This will be followed by the second 6-week treatment phase, which will be the other version of DTTC. Post-treatment probe sessions will be conducted one week and one month after completion of the second treatment.

Participants' speech productions will be transcribed and evaluated based on their accuracy in phonemes, stress, and tone. Growth curve analysis (Mirman, 2014) will be conducted to examine the group differences in the outcome measures across the treatment sessions.

Conditions

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Childhood Apraxia of Speech

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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DTTC treatment

Four Cantonese-English bilingual children with be randomly assigned to receive either one of the two versions of DTTC (i.e., DTTC in Cantonese \[DTTC-C\] and DTTC in English \[DTTC-E\]) in the first 6-week treatment phase. Then, there will be a 2-week washout period followed by the second 6-week treatment phase with another version of DTTC.

Group Type EXPERIMENTAL

Dynamic Temporal and Tactile Cueing treatment

Intervention Type BEHAVIORAL

DTTC is a motor-based treatment designed for children with CAS who may have limited verbal output. It applies the principles of motor learning and focuses on speech movement gestures in the context of functional words and phrases.

The participants will receive two versions of the DTTC treatment (i.e., DTTC in English \[DTTC-E\] and DTTC in Cantonese \[DTTC-C\]), where probe data will be collected before, during, between and after the treatment intervention.

Interventions

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Dynamic Temporal and Tactile Cueing treatment

DTTC is a motor-based treatment designed for children with CAS who may have limited verbal output. It applies the principles of motor learning and focuses on speech movement gestures in the context of functional words and phrases.

The participants will receive two versions of the DTTC treatment (i.e., DTTC in English \[DTTC-E\] and DTTC in Cantonese \[DTTC-C\]), where probe data will be collected before, during, between and after the treatment intervention.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* (1) 3;0 - 11;11 (years;months) years of age at treatment commencement;
* (2) speak both Cantonese and English: One caregiver one language for at least one year; speaking different languages at home versus school; and/or speak different languages at different times of day;
* (3) no concomitant developmental disorders including autism spectrum disorder;
* (4) no structural abnormalities that affect speech, such as cleft lip and/or palate;
* (5) no uncorrected vision impairment; and
* (6) no hearing loss;
* (7) CAS diagnosis confirmed by the research team based on the available diagnostic criteria in Cantonese speakers, which will be described in the next section