An interventional study of JAE Intervention in Joint Engagement + Enhanced Milieu Training and Joint Engagement + Enhanced Milieu Training+Augmentative Communication (AAC), sponsored by Autism Speaks. Completed at 3 sites in United States. Open to participants aged 5 Years to 8 Years. Per ClinicalTrials.gov, last updated 2024-06-11.
Sponsored by Autism Speaks · Not applicable, Interventional, and Treatment
This study will contrast two experimental treatment conditions by testing whether joint attention/joint engagement intervention using spoken communication (JAE-EMT) results in better outcomes than joint attention/joint engagement intervention that is instead supplemented with an individualized AAC system (JAE-AAC). Thus, the skills of joint attention/joint engagement (JAE) remain foundational to developing expressive language but the difference in the two treatments will be between whether the JAE is administered through the more traditional spoken means (EMT) or through an augmentative and alternative communication device (AAC).
Both treatments will be manualized and a novel research design method called Sequential Multiple Assignment Randomized Trial (SMART) will be applied. SMART design will allow the interventionists to adjust the course of treatment based on whether the children respond to the treatment. More specifically, there will be two stages of intervention and during Stage 1, 90 nonverbal (e.g. those who have less than 5 spoken words) children with ASD between 5 and 8 years of age will be randomly assigned to either the JAE-EMT or JAE-AAC group. After receiving the assigned Stage 1 treatment for 12 weeks, all participants will be assessed to see if they responded to the Stage 1 treatment. If the children do respond to Stage 1 treatment, they will continue with that same treatment for another 12 weeks in Stage 2. A different treatment sequence will be used for those who do not respond to Stage 1 treatment where these non-responders will be re-assigned to 1 of 3 alternative intervention conditions. For example, those who do not respond to JAE-AAC will have the intensity of that same JAE-AAC treatment increased. Those who do not respond to the other, JAE-EMT treatment will be randomly assigned to either a more intense JAE-EMT condition, or the original JAE-AAC implemented in Stage 1. At the end of Stage 2, another follow-up assessment of cognitive, language, and social communication skills will be administered. Furthermore, several children who enter the study in the early stages will be tested again, 3 months after the Stage 2 follow up (not all children will be able to be tested at 9 months within the 3 year grant period).
1,755 studies on the registry are indexed under Autism Spectrum Disorder; 507 are open to participants now.
This study's planned enrollment of 96 is above the median of 52 across 1,391 interventional studies indexed under Autism Spectrum Disorder.
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Exclusion Criteria:
The interventionist will coach the caregiver and child while they engage in play routines established through collaboration between caregiver and interventionist. This intervention condition uses spoken language as the mode of communication. Individual, single word targets will be selected based on the child's level of language production and specific interests. The targets are systematically modeled in response to child actions and attention during play. A sequence of milieu teaching prompts will also be used to elicit targets from the child when use of the target language is functional for the child.
Behavioral: JAE Intervention
The interventionist will coach the caregiver and child while they engage in play routines established through collaboration between caregiver and interventionist. The mode of communication introduced in this intervention condition is a developmentally chosen augmentative communication device. These devices are provided with a set of individually selected visual-graphic symbols and a relevant lexicon. The use of the device is taught within natural communicative exchanges within play routines and daily activities.
Behavioral: JAE Intervention
The overall goal in each session will be for the caregiver-child dyad to be in a state of supported or coordinated joint engagement. In this state the child is aware of the other's activity, and may actively coordinate their attention between an object/toy and the caregiver. The interventionist will coach the caregiver and child while they engage in play routines established through collaboration between caregiver and interventionist.
Number of words used spontaneously during language sample
Change in spontaneous language from beginning of treatment, to the mid-point.
Time frame: 3 months
Number of words used spontaneously during language sample
Change in spontaneous language used at the end of treatment.
Time frame: 6 months
This study is completed, as verified in Jun 2024. You cannot join it, but the record below documents what was studied.
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