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Novel Proactive Speech-Language Intervention Is More Effective Than Usual Care: Randomized Controlled Trial of Babble

Nancy Potter1, Michelle Choi2, Claire Schrock1

  • 1Department of Speech and Hearing Sciences, Elson S. Floyd College of Medicine, Washington State University, Spokane.

Journal of Speech, Language, and Hearing Research : JSLHR
|July 30, 2026
PubMed

Insights

Early intervention with Babble Boot Camp (BBC) significantly improved speech and language outcomes in infants with classic galactosemia. Starting BBC before 6 months yielded the best results, comparable to typically developing peers.

Area of Science:

  • Developmental Pediatrics
  • Speech-Language Pathology
  • Genetics

Background:

  • Speech and language disorders are typically diagnosed late, hindering early intervention.
  • Classic galactosemia is a metabolic disorder associated with a high risk of speech and language impairments.
  • Proactive interventions targeting precursor skills are needed to prevent developmental delays.

Purpose of the Study:

  • To investigate the efficacy of Babble Boot Camp (BBC), a novel proactive intervention, in preventing speech and language disorders in infants with classic galactosemia.
  • To determine the optimal timing for initiating BBC intervention.

Main Methods:

  • A randomized controlled trial involving infants with classic galactosemia.
  • Two intervention groups: early (
  • Caregiver-led, speech-language pathologist-guided telehealth sessions and daily home implementation.
  • Comparison with a typical control group and a usual care group.

Main Results:

  • Babble Boot Camp (BBC) was more effective than usual care for both intervention groups.
  • Infants starting BBC at or before 6 months showed the greatest benefits, with outcomes similar to typically developing peers.
  • No significant effects of sex, genotype, or milk consumption on outcomes were observed.

Conclusions:

  • Early, proactive intervention using BBC represents a paradigm shift for managing speech and language development in infants with classic galactosemia.
  • BBC is a promising, extensible intervention applicable to other at-risk infant populations.
  • Further trials are ongoing for infants with Down syndrome and those born preterm.
Abstract

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