Toward a paradigm shift from deficit-based to proactive speech and language treatment: Randomized pilot trial of the babble boot camp in infants with classic galactosemia [version 1; peer review: 2 approved with reservations]

Beate Peter, Nancy Potter, Jennifer Davis, Inbal Donenfeld-Peled, Lizbeth Finestack, Carol Stoel-Gammon, Kari Lien, Laurel Bruce, Caitlin Vose, Linda Eng, Hanako Yokoyama, Daniel Olds, Mark VanDam

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Background: Speech or language therapy is typically initiated reactively after a child starts showing delays. Infants with classic galactosemia (CG), an inborn error of metabolism with a known high risk for both speech and language disorders, hold the keys towards evaluating whether preventive treatment is effective when the risks are known at birth. We present pilot data from a randomized parallel trial of an innovative proactive speech and language intervention program, the Babble Boot Camp (BBC). Method: Five children with CG, otherwise healthy, participated in the BBC from approximately 2 to 24 months of age. One of these was randomly selected as control receiving conventional management. A pediatric speech-language pathologist met weekly via telepractice with the parents in the treatment cohort. Parents implemented the prespeech, speech, and language stimulation and expansion activities according to the protocol. The control child was still too young for conventional treatment. Primary outcome measures were speech sound production complexity in babble and speech and expressive vocabulary size. Secondary outcome measures were developmental milestones in communication, motor, and cognition. Outcomes in the treatment cohort were compared to typical children and the control child. The trial is ongoing. Results: All four treated children had higher speech sound skills in babble, three had higher speech sound skills in meaningful speech, two had higher expressive vocabularies, and three had higher communication and personal-social skills, compared to the control child with CG. Discussion: Given the high risk for speech and language delays in children with CG, finding on-schedule abilities in two or more of the treated children but not the untreated child is unexpected under random conditions. The trends toward beneficial effects of the BBC on speech sound production, expressive language, and communication milestones warrant appropriately powered larger clinical trials with full randomization.

Original languageEnglish (US)
Article number271
JournalF1000Research
Volume8
DOIs
StatePublished - 2019

Bibliographical note

Funding Information:
This work was supported by a seed grand from the Arizona State University Institute for Social Science Research and an Arizona State University New Faculty Startup Fund award to B. Peter and by National Science Foundation (Resource Implementations for Data Intensive Research in the Social, Behavioral and Economic Sciences; 1539129) and the Washington Research Foundation to M. VanDam.

Funding Information:
This work was supported by a seed grand from the Arizona State University Institute for Social Science Research and an Arizona State University New Faculty Startup Fund award to B. Peter and by National Science Foundation (Resource Implementations for Data Intensive Research in the Social, Behavioral and Economic Sciences; 1539129) and the Washington Research Foundation to M. VanDam. Many thanks to the participating families for their time, effort, and faithful implementation of the program. We gratefully acknowledge Lauren Levanovic and Emilie Bonkrud for assistance with phonetic transcriptions, and Emma Williams and Caitlin Miner for assistance with administration of the program.

Publisher Copyright:
© 2019 Peter B et al.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • Genetic risk
  • Infant
  • Language impairment
  • Prevention
  • Speech disorder
  • Very early intervention

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