An interventional study of Dynamic Temporal and Tactile Cueing treatment in Childhood Apraxia of Speech, sponsored by The Hong Kong Polytechnic University. Recruiting at 1 site in Hong Kong. Open to participants aged 3 Years to 11 Years. Per ClinicalTrials.gov, last updated 2024-04-26.
Sponsored by The Hong Kong Polytechnic University · Not applicable, Interventional, and Treatment
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.
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.
65 studies on the registry are indexed under Apraxias; 21 are open to participants now.
This study's planned enrollment of 4 is below the median of 32 across 50 interventional studies indexed under Apraxias.
Browse Apraxias studies →The Hong Kong Polytechnic University is the lead sponsor of 679 studies on the registry; 257 are open to participants now.
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Exclusion Criteria:
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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.
Behavioral: 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.
Phonemes accuracy
Participants' performance is probe sessions will be transcribed and analysed by an independent research assistant who has experience with Cantonese and English disordered speech will undergo training in phonetic transcription. The training will include practicing transcription of Cantonese and English speech of preschool children on standardized articulation tests. The accuracy of phonemes and the following aspects will be judged by the research assistant.
Time frame: Change Before, Between, 1-week and 5-week post DTTC treatment
Stress accuracy
Participants' performance is probe sessions will be transcribed and analysed by an independent research assistant who has experience with Cantonese and English disordered speech will undergo training in phonetic transcription. The training will include practicing transcription of Cantonese and English speech of preschool children on standardized articulation tests. The accuracy of phonemes and the following aspects will be judged by the research assistant.
Time frame: Change Before, Between, 1-week and 5-week post DTTC treatment
Tone accuracy
Participants' performance is probe sessions will be transcribed and analysed by an independent research assistant who has experience with Cantonese and English disordered speech will undergo training in phonetic transcription. The training will include practicing transcription of Cantonese and English speech of preschool children on standardized articulation tests. The accuracy of phonemes and the following aspects will be judged by the research assistant.
Time frame: Change Before, Between, 1-week and 5-week post DTTC treatment
Plan to share: No — The data sets generated and analyzed during this study are not publicly available due to study institutional review board data security requirements.
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