Sibwatch: Optimizing Intervention Options for Infants and Toddler Siblings of Autistic Children

Conditions

• Autism Sibling

Eligibility Criteria

Sex

ALL

Age

6 Months - 24 Months

Healthy Volunteers

Not accepted

Interventions

• tele-ImPACT — BEHAVIORAL
  Participants will receive 12 weeks of Project ImPACT intervention as delivered via Telehealth

Study Details

This rigorous randomized controlled trial will evaluate the efficacy and acceptability of a preemptive, telehealth intervention (tele-ImPACT) in a large, representative sample of infant siblings of autistic children, who are known to be at high likelihood of receiving a future diagnosis of autism and/or developmental language disorder (HL-Sibs). If our hypotheses are supported, this innovative and interdisciplinary study will provide empirical support for a novel approach to treatment that is theoretically motivated and developmentally informed, as well as accessible for and acceptable to families, and will lend new insights into the developmental windows in which, mechanisms by which, and subgroups for which the treatment works. Such findings would have strong implications for research, policy, theory, and practice in young children at risk for autism and/or language disorder.

Key Dates

Start date

Apr 1, 2026

Status verified

Jun 2026

Primary completion

Mar 31, 2031

Completion

Mar 31, 2032

Study Design

Enrollment

140 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Arms

• No Intervention: Business as Usual
  Control arm where participants will receive community treatments, as usual.
• Experimental: tele-ImPACT
  Participants will receive 12 weeks of intervention

Primary Outcome Measure

Child Social Communication [ Time Frame: 9 months ]

Central Contacts

• Lauren Hampton, Ph.D.
  512-471-2090
  [email protected]

Locations (2)

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