The Efficacy of Robot-enhanced Therapy for Children With Autism Spectrum Disorders

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-01

Study Completion Date

2018-12-31

Brief Summary

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This trial will test the efficacy of robot-enhanced interventions for developing social skills in children with Autism Spectrum Disorders (ASD). The study will compare, in an equivalence design, an innovative intervention delivered by a semi-autonomous robotic agent with standard behavioral intervention. The target group is children between 3 and 6 years old which will be randomly allocated to one of the two treatments. Each treatment will be delivered over 8 bi-weekly sessions of 45 minutes each.

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Detailed Description

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Autism Spectrum Disorders (ASD) is characterized by a pattern of persistent deficits in communication and abnormal behaviors (i.e., repetitive and restrictive). Previous research has shown promising results for the use of social robots to develop social skills in ASD children. However, most of the research is based on case studies and single case experiments. Rigorous clinical data comparing robot--enhanced therapy with standard therapy is needed to establish the efficacy of this innovative intervention. The present study is an equivalence randomised clinical trial which plans to include children with a diagnosis of ASD between 3 to 6 years old. Eligible children are randomly allocated in one of two groups: (1) standard therapy, derived from applied behavior analysis (ABA) and (2) a robot--enhanced intervention in which the same treatment is delivered by a semi--autonomous robotic mediator agent (the robot acts as a mediator while the therapist is supervising the session). Both interventions are delivered over 8 bi-weekly sessions of about 45 minutes each. The present study will provide some of the first rigorous data regarding the efficacy of robot--enhanced therapy delivered by an intelligent robotic agent which require less direct input from an operator to deliver the intervention, as compared to previous research. If the results demonstrate the equivalence of the two interventions, this could open the door for the dissemination of evidence--based interventions for ASD children through the use of robotic agents.

Conditions

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Autistic Disorders Spectrum

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Random allocation to one of two intervention conditions: (1) standard therapy, derived from applied behavior analysis (ABA) and (2) a robot-enhanced intervention in which the same intervention is delivered by a semi-autonomous robotic mediator agent (the robot acts as a mediator while the therapist is supervising the session).

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Principal investigator, the research team, and data analyst are all blind to the treatment conditions.

Study Groups

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(1) standard therapy

Standard therapy based on Applied Behavioral Analysis (ABA) and Cognitive-Behavior-Therapy (CBT). It implies structured activities in which the therapist reinforces the adaptive behavior of the child.

Group Type ACTIVE_COMPARATOR

(1) discrete trial training / cognitive-behavior therapy

Intervention Type BEHAVIORAL

The tasks included in the treatment follow a structured behavioral approach, called the discrete trial training (DTT). The learning process is guided by an interaction partner (human), under the supervision of the therapist. All activities follow a gameplay scenario and they take place at a table, which in the case of joint attention and turn taking tasks incorporates a large touchscreen. Each behavior presented to the child is preceded by instructions and followed by a contingent reinforcement. The contingent reinforcement and prompting are used to train each targeted behavior/action. The behaviors are presented over multiple and successive trials and explicit prompting is giving when the child doesn't succeed to accomplish the targeted behavior. Each action is repeated three times. For every child, the intervention for each ability starts from the level determined in the first two sessions, but as the child's performance improves, the task moves to a more complex level.

(2) robot--enhanced intervention

A treatment developed on the same principles as standard therapy, based on Applied Behavioral Analysis (ABA) and Cognitive-Behavior-Therapy (CBT). It implies structured activities in which the robotic agent reinforces the adaptive behaviors of the child, under the supervision of the therapist.

Group Type EXPERIMENTAL

(2) robot--enhanced intervention

Intervention Type BEHAVIORAL

The tasks included in the treatment follow a structured behavioral approach, called the discrete trial training (DTT). The learning process is guided by the robotic agent (Softbank Robotics Nao robot). All activities follow a gameplay scenario and they take place at a table, which in the case of joint attention and turn taking tasks incorporates a large touchscreen. Each behavior presented to the child is preceded by instructions and followed by a contingent reinforcement. The contingent reinforcement and prompting are used to train each targeted behavior/action. The behaviors are presented over multiple and successive trials and explicit prompting is giving when the child doesn't succeed to accomplish the targeted behavior. Each action is repeated three times. For every child, the intervention for each ability starts from the level determined in the first two sessions, but as the child's performance improves, the task moves to a more complex level.

Interventions

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(2) robot--enhanced intervention

The tasks included in the treatment follow a structured behavioral approach, called the discrete trial training (DTT). The learning process is guided by the robotic agent (Softbank Robotics Nao robot). All activities follow a gameplay scenario and they take place at a table, which in the case of joint attention and turn taking tasks incorporates a large touchscreen. Each behavior presented to the child is preceded by instructions and followed by a contingent reinforcement. The contingent reinforcement and prompting are used to train each targeted behavior/action. The behaviors are presented over multiple and successive trials and explicit prompting is giving when the child doesn't succeed to accomplish the targeted behavior. Each action is repeated three times. For every child, the intervention for each ability starts from the level determined in the first two sessions, but as the child's performance improves, the task moves to a more complex level.

Intervention Type BEHAVIORAL

(1) discrete trial training / cognitive-behavior therapy

The tasks included in the treatment follow a structured behavioral approach, called the discrete trial training (DTT). The learning process is guided by an interaction partner (human), under the supervision of the therapist. All activities follow a gameplay scenario and they take place at a table, which in the case of joint attention and turn taking tasks incorporates a large touchscreen. Each behavior presented to the child is preceded by instructions and followed by a contingent reinforcement. The contingent reinforcement and prompting are used to train each targeted behavior/action. The behaviors are presented over multiple and successive trials and explicit prompting is giving when the child doesn't succeed to accomplish the targeted behavior. Each action is repeated three times. For every child, the intervention for each ability starts from the level determined in the first two sessions, but as the child's performance improves, the task moves to a more complex level.

Intervention Type BEHAVIORAL

Other Intervention Names

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robot-based intervention robot-mediated intervention ABA applied behavioral analysis CBT

Eligibility Criteria

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Inclusion Criteria

* to be diagnosed using DSM-V criteria by a psychiatrist;
* the diagnostic is confirmed by the Autism Diagnostic Observation Scale (ADOS; scores are in the clinical range).

Minimum Eligible Age

3 Years

Maximum Eligible Age

6 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No