Early Intervention in Infants With Unrepaired Cleft Palate: Language, Palatal Function, and Articulation.

Cleft Lip and Cleft Palate, Cleft Lip and/or Palate, Cleft Lip Palate, Cleft Palate, Cleft Palate Children, Cleft Palate Repair, Cleft Palates

cleft-type speech, hypernasality, palatal function, compensatory speech patterns, obligatory speech patterns, velopharyngeal dysfunction, communication, language, speech

The goal of this clinical trial is to learn if teaching speech skills to infants with cleft palates, prior to palate repair, will help them to develop speech and language skills. It will also learn about whether the skills are linked to fewer speech sound difficulties when they start school. The main questions it aims to answer are: Do standard, early intervention techniques to promote language development, that are used in children who are late talkers, work in infants with cleft palates? Will infants with cleft palates increase the number of sounds they use after targeted intervention? Can infants attempt to make stop sounds, like b and p, after targeted intervention? Can infants with cleft palate learn new words more quickly when they are used with gestures? Participants will: Participate in a baseline evaluation of speech and language skills, either in person, or via Telehealth. Attend the clinic for twice-weekly visits, for six weeks, to learn techniques to help their infants develop their speech and language skills, in a group setting with other families of infants with cleft palate. Participate in a final evaluation of speech and language skills, either in person, or via Telehealth.

Participants Participants will be caregiver-infant dyads, where the infant is aged between six and twelve months at the time of study enrolment. Infants should be under the current care of a craniofacial team, with no medical diagnosis that would preclude study participation (e.g., reliance on supplementary oxygen, nasopharyngeal airway in situ). Caregivers Caregivers should be over the age of 18 years at the time of study enrolment and be able to participate in the group intervention in the English language, although they may speak more than one language or dialect. Individuals who are not able to consent to study participation (due to the presence of a health condition impeding the ability to give consent) will be excluded from this study. Caregivers should identify either as a primary, or joint-primary, caregiver for the infant. Individuals who are not primary caregivers, but who spent a significant amount of time with the infant and who interact with the infant, are also eligible for study participation. There is no limit on the number of caregivers who can attend sessions with their child, to account for non-traditional family structures. Recruitment Recruitment will take place at the Cleft and Craniofacial Center of the Children's Hospital of the King's Daughters. Recruitment flyers will be posted in the clinic (see attached recruitment flyer). Families will be invited to participate in the study no more than three times: once between birth and three months of age, at a cleft team meeting; once between three and six months of age at a cleft team meeting, and once again at the six to nine month visit (see attached recruitment script). Families will be invited a maximum of three times, or until first refusal, whichever comes first. Caregivers will be provided with an information sheet about the study and two consent forms; one for their participation and one for their child's participation. These will be provided by the Surgical Services Unit Research Coordinator (SSURC), at clinic visits. Families will be asked if they would like more information about the study and given a verbal overview of the study and its participation requirements. The SSURC will then leave the clinic room for a brief period to give families time to read the consent forms. On her return, she will ask families if they have any questions, respond to these, and consent families formally, if they are agreeable. Initial and final evaluations In order to describe and understand the clinical population, caregivers will be asked to complete the MacArthur-Bates Communicative Development Inventory (MBCDI), which is a measure of understanding and use of words and gestures to communicate, in infants and toddlers aged up to 18 months. This will be the primary, language outcome measure. Additionally, the Rossetti Infant-Toddler Development Scale (RITDS) will be administered by the speech-language pathologist, cooperatively with the caregiver, to describe and understand aspects of communication beyond receptive and expressive language (e.g., pragmatics, attachment). As part of these evaluation sessions, a ten-minute interaction between the infant and the caregiver will be recorded, and a count of communicative behaviors (as outlined in the data sheet) will be made, after the end of the session. Intervention protocol The intervention will be delivered face-to-face, in a room in the Lions Child Study Center at Old Dominion University (205). Twelve sessions are planned, with two sessions per week over six weeks; a different topic area, and associated targets, will be selected and focused on each week. An example, weekly session plans from the intervention protocol are included as an Appendix to this document. It is anticipated that sessions will last for one-hour, and by led by one or more licensed and credentialled speech-language pathologists. The corresponding home carryover handouts are also provided. Experimental design This pilot study will be a quasi-experimental, repeated-measures design, where participants serve as their own controls. Baseline data on each outcome measure will be collected at the initial evaluation, prior to commencement of the program, and again at the first group session. Families will be provided with questionnaire measures prior to the appointment, and ten minutes of caregiver-child interactions will be videorecorded for later analysis of outcomes that are measured by behavioral counts. Following the program, an individual, final evaluation and de-brief will be conducted where post-intervention data will be collected. Post-intervention data will be compared against pre-intervention data. Statistical analysis Pre- and post-intervention scores will be compared. Statistical test selection will depend on data distribution; although, as this pilot study is anticipated to have a small sample size, it is hypothesized that data will not be distributed normally, thus necessitating the use of non-parametric tests.

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