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The purpose of this study is to carry out a high-level treatment efficacy study on children with speech sound disorders with motor speech involvement (SSD-MSI) using a well-controlled Randomized Controlled Trial design.
The intervention of choice is the Prompts for Restructuring Oral Muscular Phonetic Targets (PROMPT) approach, which has been effective in treating motor speech disorders in adults and in children with autism and cerebral palsy.
The results of this study will allow us to determine if there is a causal relationship between PROMPT treatment and outcome measures and predict how much improvement can be expected from this therapy. This study is being conducted as a part of a multicenter clinical trial in the province of Ontario, Canada with three sites: The John McGivney Children's Centre in Windsor, The ErinoakKids Centre for Treatment and Development in Mississauga, and The Speech and Stuttering Institute in Toronto.
The study integrity will be monitored by an arms-length, external agency, The Applied Health Research Centre (AHRC) at St. Michael's Hospital in Toronto. The study is coordinated by the Department of Speech-Language Pathology at the University of Toronto and funded by the PROMPT Institute in Santa Fe, New Mexico.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention Group - PROMPT therapy | Experimental | Prompts for Restructuring Oral Muscular Phonetic Targets (PROMPT) |
|
| Waitlist or Delay Group | No Intervention | Participants in this group are on the waitlist for 10 weeks |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PROMPT | Behavioral | The PROMPT approach utilizes a motor-speech hierarchy (MSH) to guide speech language pathologists (SLP) in selecting speech movement goals for treatment. PROMPT treatment generally proceeds systematically in a bottom-up fashion starting with the lowest subsystem in the hierarchy where a child has control issues. Furthermore, in the PROMPT approach specific techniques are used to stimulate sensory input that are assumed to facilitate the formation of sensory-motor pathways required for the acquisition and accurate production of speech movement patterns. As the speech motor behaviors are established, the clinician reduces the number of cues and the frequency and immediacy of feedback and practices transfer and generalization activities. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in speech motor control | Formal assessment of the neuromotor integrity of the motor speech system will be carried out using the verbal motor production assessment for children (VMPAC). | At baseline and following 10 weeks of intervention or waitlist delay |
| Change in speech articulation | Assessment of speech articulation will be carried out using the Diagnostic Evaluation of Articulation and Phonology (DEAP) test. | At baseline and following 10 weeks of intervention or waitlist delay |
| Change in word-level speech intelligibility | Word level assessment of speech intelligibility will be carried out using the Children's speech Intelligibility Measure. | At baseline and following 10 weeks of intervention or waitlist delay |
| Change in Functional Communication: | Focus on the Outcomes of Communication Under Six (FOCUS), is a parent questionnaire that captures preschool children's communication abilities as they participate in real-world situations. | At baseline and following 10 weeks of intervention or waitlist delay |
| Change in criterion-referenced measure of speech motor control. | Criterion-referenced assessment of the motor speech system will be carried out using a set of probe words. The audio-video recordings of the probe words will be analyzed by three qualified and blinded speech language pathologists. | At baseline and following 10 weeks of intervention or waitlist delay |
| Change in phonological processes | Phonological processes will be assessed using the Diagnostic Evaluation of Articulation and Phonology (DEAP) test. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Aravind Namasivayam, Ph.D. | University of Toronto | Principal Investigator |
| Deborah Hayden, M.A. | The PROMPT Institute, Santa Fe, NM, 87505 USA | Study Director |
| Pascal van Lieshout, Ph.D. | University of Toronto | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| ErinoakKids Centre for Treatment and Development | Mississauga | Ontario | L5K 2N6 | Canada | ||
| The Speech and Stuttering Institute |
| Type | Date | Date Unknown |
|---|---|---|
| Release | Jan 4, 2019 | |
| Reset | Mar 29, 2019 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jan 4, 2019 | Mar 29, 2019 |
| ID | Term |
|---|---|
| D066229 | Speech Sound Disorder |
| D013065 | Speech Intelligibility |
| ID | Term |
|---|---|
| D003147 | Communication Disorders |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
| D013060 | Speech |
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|
| At baseline and following 10 weeks of intervention or waitlist delay |
| Change in sentence-level speech intelligibility | Sentence-level assessment of speech intelligibility will be carried out using the Beginner's Intelligibility Test. | At baseline and following 10 weeks of intervention or waitlist delay |
| Toronto |
| Ontario |
| M3B 3J5 |
| Canada |
| The John McGivney Children's Centre of Essex County | Windsor | Ontario | N9C 4C2 | Canada |
| D014705 |
| Verbal Behavior |
| D003142 | Communication |
| D001519 | Behavior |