Speech therapy for children with Childhood Apraxia of Speech (CAS): DTTC provided via a blocked schedule (1 x 3hr/ week) or a distributed schedule (3 x 1hr/ week) across 8 weeks.

Not Applicable

Recruiting

• Conditions: Childhood Apraxia of Speech; Physical Medicine / Rehabilitation - Speech therapy

• Registration Number: ACTRN12622001135707
• Lead Sponsor: Marquette University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2022-08-17
• Last Update Posted: 20 November 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 8

Inclusion Criteria

The inclusion criteria are:
Children will:
a) have a primary diagnosis of CAS meeting all methods of identifying CAS
b) be aged 3-7 years (the core age group of the original DTTC design and efficacy studies)
c) have a Receptive Language Index standard score of 70 or greater (within 2 standard deviations of the mean) on the Clinical Evaluation of Language Fundamentals – Preschool 2nd edition or Clinical Evaluation of Language Fundamentals – 5th edition (Semel, Wiig, & Secord, 2004; Wiig, Secord, & Semel, 2006; Wiig, Semel, & Secord, 2013, 2017)
d) have a standard score of 70 or greater (within 2 standard deviations of the mean) on the nonverbal index of the Reynolds Intellectual Assessment Scales – 2nd edition (RIAS-2, Reynolds & Kamphaus, 2015) to ensure appropriate non-verbal intelligence
e) have at least 20 words they use regularly (allowing for speech inaccuracy and inconsistency) and with communicative intent, as measured using the US or AUS -normed version of the MacArthur Bates (CDI) parent questionnaire (Fenson et al., 2007).

Exclusion Criteria

Abnormalities of oral structures (e.g. cleft palate)
Does not speaks English, and have at least one parent who speaks English
Has uncorrected hearing or vision problem
Has other developmental problems (e.g., autism spectrum disorder, global developmental delay)

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Whole word accuracy as measure on the 64-item speech assessment task as measured with the 0,1,2 scale (Strand et al., 2020)[ Due to the SCED design, the primary timepoints are baseline (3-5 baseline points per participant, randomly allocated), treatment phase (immediately prior to the 7th, 13th and 19th hour of therapy) and follow-up (1 day, 1 week, 4 weeks and 3 months post-treatment)]