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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05921188
Other study ID # Late Talker Phase 4
Secondary ID 2R01DC015642-06
Status Recruiting
Phase Phase 2
First received
Last updated
Start date June 1, 2023
Est. completion date June 2025

Study information

Verified date June 2023
Source University of Arizona
Contact Mary Alt, PhD
Phone 520-626-6180
Email malt@arizona.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this clinical trial is to compare two treatment conditions for late talking toddlers. In 8 weeks of word learning treatment, toddlers will be taught words that sound more like the words they already know or sound less like the words they already know. The investigators see which group learns more, to understand if choosing words that let children use the knowledge they already have helps with learning.


Description:

Late talking toddlers will be assigned to be in the More Familiar Sounds condition or the Less Familiar Sounds condition. Both groups will receive 8 weeks of Vocabulary Acquisition and Usage for Late Talkers (VAULT) word learning treatment (2x/week for 30 minutes per session) using their words. The investigators will compare learning within children (taught words v. control words that are not explicitly taught) to make sure the learning that is happening is due to the treatment and not just maturation. The investigators will compare across groups to see if the group treated with More Familiar Sounding words learns more than the group treated with Less Familiar Sounding words.


Recruitment information / eligibility

Status Recruiting
Enrollment 32
Est. completion date June 2025
Est. primary completion date June 2025
Accepts healthy volunteers No
Gender All
Age group 2 Years to 4 Years
Eligibility Inclusion Criteria: - Native English Speaking - Pass pure tone hearing screening or medical report of normal hearing - 2-3 Years of age at start of study - MCDI expressive scales <10th percentile Exclusion Criteria: - Parental reports of other diagnoses - Enrolled in concurrent treatment elsewhere - Nonverbal IQ <75 as measured by the Bayley scales - Parents unable to consistently bring child to treatment sessions

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
VAULT Phase 4
Children will receive an input-based word learning treatment that is designed based on principles of statistical learning.

Locations

Country Name City State
United States University of Arizona Tucson Arizona

Sponsors (2)

Lead Sponsor Collaborator
University of Arizona National Institute on Deafness and Other Communication Disorders (NIDCD)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Treatment Effect Size The investigators will count the number of spontaneous and probed productions of target and control words and calculate a treatment effect size (d). Change from baseline through treatment, which will average an 8-week time frame.
Primary Number/Rate of Words Learned The investigators will measure the number of words learned and the rate of words learned as reported by the parent on the MCDI starting prior to treatment and measured during, immediately following, and 4-6 weeks after the treatment. Change from Initial Evaluation through Follow-up, which will average a 6-month time frame.
Secondary Post Treatment Retention The investigators will use probe data and parental report to determine how many of the words the child retained from treatment. Change from end of treatment to follow up, which will average 4-6 weeks.
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