Recruiting

Behavioral Intervention

Sponsor:

University of Texas Southwestern Medical Center

Code:

NCT07383714

Conditions

Suicide

Suicide Attempt

Eligibility Criteria

Sex: All

Age: 13 - 17

Healthy Volunteers: Not accepted

Interventions

Text-messaging for safety reminders

Text-messaging with safety reminders and risk framing

Study Details

Brief summary:

The goal of the study is to determine effectiveness of a behaviorally informed text messaging intervention to help parents increase safety practices and reduce their teens' access to lethal means following a suicide-related emergency department visit.

Conditions

Suicide

Suicide Attempt

Study ID

NCT07383714

Start date

Jun 15, 2026

Status verified date

Jun, 2026

Completion date

Aug 31, 2027

Anticipated

Primary completion date

Jun 15, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 13 - 17

Healthy Volunteers: Not accepted

Inclusion Criteria:

  • Guardian must be able and willing to provide informed consent, and the participant must be able and willing to provide assent.
  • Parent and adolescent willingness and ability to participate in study procedures and complete assessments at baseline, 6 weeks, and 12 weeks.
  • Presentation to the ED for a suicide-related emergency, defined as suicidal ideation within the last 2 weeks or a suicide attempt within the past month.
  • Adolescents aged 12-17 years during the consent.
  • Access to a mobile phone with text messaging capability for the parent/legal guardian.
  • Ability to communicate in English.

Exclusion Criteria:

  • Absence of a legal guardian capable of providing consent.
  • Parents/legal guardians without access to a mobile phone with texting capability.
  • Inability to communicate in English.
  • Adolescents in state custody or under legal restrictions that prevent study participation.
  • Adolescents involved in the justice system in a manner that would interfere with study participation.
  • Adolescents with autism spectrum disorder or intellectual development disorder needing substantial or very substantial support

Study Design

Enrollment

129 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

no intervention: Control Arm

Treatment as usual (ED-based lethal means counseling)

active comparator: Direct Nudge

Thrice-weekly direct text messages encouraging Lethal Mean Restriction practices.

experimental: Risk-Framing Nudge Arm

Thrice-weekly direct text messages encouraging Lethal Mean Restriction practices and suicide risk statistics to recalibrate parental risk perception

Interventions

Text-messaging for safety reminders

The intervention consists of thrice-weekly, behaviorally informed text messages delivered to parents over six weeks period.

Text-messaging with safety reminders and risk framing

Thrice-weekly messages incorporating safety precautions and evidence-based suicide risk statistics to recalibrate parental risk perception.

Primary outcome measure

  • Parent-reported adherence to lethal means restriction (LMR) [ Time Frame: Baseline to 6 weeks ]

Central Contacts and Locations

Central contacts

Matthew Nguyen

469-509-2493matthew.nguyen@UTSouthwestern.edu

Amy Conger

214-4562705amy.conger@UTSouthwestern.edu

Locations

Children's Medical Center

Recruiting

Dallas, Texas, United States, 75287

Contacts

Emine Rabia Ayvaci, MD

+16508040602emine.ayvaci@utsouthwestern.edu

More Information

Sponsor

University of Texas Southwestern Medical Center

Last update posted

Jun 3, 2026

Last verified

Jun, 2026

Keywords

  • suicide
  • digital health
  • lethal means restriction

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by University of Texas Southwestern Medical Center on 2026-06-03.