- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02751957
Pilot Study to Improve Access to Early Intervention for Autism in Africa
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
In this proposal, the investigator's aim is to adapt the caregiver coaching version of the Early Start Denver Model (P-ESDM) and conduct a pilot study to explore the impact of this adapted intervention on child and caregiver outcomes in an African setting as well as understand key facilitators and barriers to implementation of the intervention in this setting. Importantly, this work aligns with an objective of the Federal Interagency Autism Coordinating Committee Strategic Plan: to support community-based studies that assess the effectiveness of interventions in broader community settings including scalable early intervention programs for implementation in underserved, low-resource, and low-literacy populations. The Early Start Denver Model (ESDM) was the first empirically-validated comprehensive intervention for toddlers with Autism Spectrum Disorders (ASD). In a study of P-ESDM that parallels the proposed study, Vismara et al (2009) demonstrated that in a brief 12 week, 1 hour per week, P-ESDM program with parents of toddlers with ASD, all but one parent in the study acquired mastery of the ESDM techniques at or above the 85 percent criterion by the fifth to sixth intervention session as measured by the ESDM fidelity scale. Furthermore, high levels of correct implementation of the ESDM techniques were maintained at follow-up for those parents who met fidelity and completed the program, with average percent accuracy ranging from 93-97%. The brief intervention also resulted in sustained positive growth in child social communicative behaviors. More recently, in an NIH-funded randomized controlled trial (RCT), Rogers et al (2012) found that both P-ESDM and community interventions were associated with increases in language and cognitive outcomes and decrease in ASD symptoms, despite the fact that the community intervention involved a greater number of intervention hours. Specifically, a 10-point increase in verbal developmental quotient (DQ), a 4-5 point increase in overall DQ, and a decrease in social affect symptoms on the Autism Diagnostic Observational Schedule (ADOS) were found. Moreover, the intervention resulted in lower levels of parenting stress.
The site of the proposed study is the Center for Autism Research in Africa at the University of Cape Town (Director, Prof Petrus de Vries). South Africa offers a unique opportunity to study interactions among treatment, child, family, community and context, which act as facilitators or barriers of intervention implementation, thus providing preliminary information that could help match the right treatment to the right child and family. In a recent multisite P-ESDM RCT Estes and colleagues reported that that this parent coaching intervention helped to maintain parental adjustment directly after a child was diagnosed with ASD. However, the numbers of negative life events were a significant predictor of parenting stress and sense of competence. Child and caregiver factors, particularly prevalent in South Africa (eg. poverty, malnutrition, HIV/AIDS), are known to affect child cognitive and social-emotional development, as well as parenting stress. Gathering data on the feasibility and impact of a scalable early ASD intervention in an environment where other significant child and caregiver contextual challenges exist, offers a unique opportunity to examine broader contextual factors affecting intervention implementation. The investigator will therefore document the effects of broader contextual factors (for e.g. caregiver mental health, negative life events, HIV/AIDS, and poverty) on treatment impact. In addition, this study will further the understanding of how to implement mental health early interventions in a low and middle-income country (LMIC) context, by examining processes used to train and supervise non-specialist providers who will provide the caregiver coaching in this context.
The long term goal of this proposal is to advance understanding of affordable, sustainable early intervention strategies for developmental disorders, including ASD that would benefit all families regardless of resource availability.
Specific Aim #1: Adapt the P-ESDM treatment manual and training approach. P-ESDM is a brief, scalable caregiver-mediated early autism intervention.
Specific Aim #2: Pre-pilot the adapted P-ESDM training and intervention and refine methodological details of the experimental protocol. This will provide information on the structure, content, and feasibility of the adapted P-ESDM intervention and training approach.
Specific Aim #3: Pilot of the adapted P-ESDM with preschool aged children with ASD exploring the impact on: a) child social communication abilities and overall developmental outcome, and b) implementation outcomes.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Western Cape Province
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Cape Town, Western Cape Province, South Africa
- University of Cape Town
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of ASD based on DSM-5 criteria by a developmental pediatrician.
- a caretaker who speaks isiXhosa, Afrikaans or English
- lives within an area served by the Red Cross Neurodevelopmental clinic;
- willing to participate in the intervention and be randomized to the intervention or control group.
Exclusion Criteria:
- a neurodevelopmental disorder of known genetic etiology (eg. Downs syndrome)
- significant sensory or motor impairment (e.g. cerebral palsy)
- major physical problems
- uncontrolled seizures
- IQ below 35 as measured by mean age equivalence score on the Griffiths Scales of Mental Development
- unable to attend 3 assessments and 12, 1-hour, weekly consecutive intervention sessions.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Intervention
Receives caregiver coaching version of the Early Start Denver Model (ESDM) intervention, delivered by non-specialist workers.
ESDM is an evidence based, behavioral intervention for young children who have an autism spectrum disorder.
It is a behavioral treatment informed by the principles of applied behavior analysis.
|
The Early Start Denver Model is an evidence based, behavioral intervention for young children who have an autism spectrum disorder.
It is a behavioral treatment informed by the principles of applied behavior analysis.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Griffiths Scales of Mental Development: Change in developmental quotient and language subdomain developmental quotient
Time Frame: Baseline, 12 week, and 16 weeks
|
The Griffiths Scales of Mental Development: a standardized developmental test for children birth to 96 months.
The composite developmental quotient and the language subdomain developmental quotient will be used as outcome variables.
|
Baseline, 12 week, and 16 weeks
|
The Vineland Adaptive Behavior Scales: Changes in communication and socialization standard scores
Time Frame: Baseline, 12 week, and 16 weeks
|
The Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) is an individually-administered measure of adaptive behavior that is widely used to assess individuals with intellectual, developmental, and other disabilities.
|
Baseline, 12 week, and 16 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Lauren Franz, MBChB, Duke University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00064533
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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