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Video therapy boosts autism communication at home

NCT ID NCT04042337

Symptom relief Sponsor: Stanford University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether parents can learn a proven autism therapy called Pivotal Response Treatment (PRT) through secure video calls. 101 children aged 2-5 with autism and language delays took part. Parents received weekly 60-minute training for 12 weeks. The goal was to see if children improved their communication skills more than those on a waiting list.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

101 people

The number who actually took part.

Started

Apr 2020

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

2 to 5 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Participants will include children ages a) 2:0 to 5:11 years, b) diagnosed with ASD (based on history, review of available medical records including diagnostic testing, e.g., ADOS) or suspicion of ASD diagnosis and confirmed with Autism Diagnostic Interview-Revised (ADI-R; completed by phone), c) with significant adaptive communication deficits (i.e., either a Vineland-3 Communication subscale 2SD below average for 2 and 3 year olds and 3 SD below for 4 and 5 year olds or a Vineland-3 Expressive V-scale Score 2 SD below average for 2 and 3 year olds, or 3 SD below for 4 and 5 year old, and at least moderate severity on the CGI-S language subscale), d) able to vocalize with communicative intent during home video observation, e) stable treatment for at least 2 weeks prior to baseline (e.g., ABA, special education) with no more than 60 minutes per week 1:1 speech therapy and no anticipated changes during study participation, and f) an English-speaking parent able to consistently participate in study procedures. Exclusion Criteria. a) children who have a primary language other than English, b) parent or child diagnosed with severe psychiatric disorder or unstable medical problem, c) child participating in \>15 hours per week of 1:1 ABA treatment at home, d) unstable medical condition such as severe seizures, e) Severe behavioral difficulties (e.g., self-injury or aggression that could present a safety risk to the child or family members during implementation of the intervention), f) previous adequate trial of pivotal response treatment, or g) living within 200 miles of Stanford University.

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Conditions

The condition(s) this trial relates to.

autism spectrum disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Autism spectrum disorder

Contacts and locations

Locations

  • Department of Psychiatry and Behavioral Sciences

    Stanford, California, 94305-5719, United States

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