About this trial
This study is testing whether it is feasible to run a larger randomized controlled trial and whether an automated text messaging program is acceptable to young adults who have suicidal thoughts. The program is designed to help participants create and use a safety plan, which is a personalized list of warning signs, coping strategies, supportive people, professional resources, ways to make their environment safer, and reasons for living. After joining and completing an initial survey, participants are randomly assigned by a computer to one of two groups. One group starts right away with the interactive safety planning text program. The other group first receives simple text messages with 24/7 crisis resources and then, after four weeks, also receives the interactive safety planning program. Participants use the text program for about four weeks and complete online surveys at the start and again over a total period of 24 weeks.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Ages 18 to 24 *The age to provide consent in Nebraska is 19. Individuals recruited from the state of Nebraska must be 19 or older.
endorsement of past 2-week suicidal ideation
Resident of the United States
Owns a smartphone
Disqualifiers
Serious mental illness for which intervention would be contraindicated (i.e., active psychosis or mania)
Imminent suicidality (i.e., experiencing active suicidal ideation with a plan and intent to act)
Written English language skills that are insufficient to engage in the consent, design, evaluation, or intervention procedures.
Trial design
Crossover
Treatments tested in this trial
Text Messaging based Safety Planning Intervention
BehavioralA 4-week automated text messaging intervention designed to guide users through the steps of the safety planning process. The intervention delivers structured, interactive messages daily addressing coping strategies, crisis resources, environmental safety, family and friends for support, distraction techniques, and recognition of warning signs.
Facilitated Referral to Crisis Resources
BehavioralText messages that are non-interactive and contain referral to crisis services (e.g., the National Suicide Prevention Lifeline, the Crisis Text Line, and (c) the Trevor Project Lifeline).
Treatment groups
Trial outcomes
Primary outcomes
Frequency of suicidal thoughts
The number of times an individual has experienced suicidal thoughts
Frequency of suicidal behaviors
Frequency of suicidal behaviors
Severity of suicidal thoughts
Severity of suicidal thoughts
Secondary outcomes
Unbearable Psychache Scale (UP3)
Measure of psychic pain. Range 3-15. Higher scores indicate worse psychological pain.
Beck Hopelessness Scale-Short Form (BHS-SF)
Brief measure of hopelessness. Items rated 1 or 0. Scores range from 0-4, with higher scores indicating more hopelessness.
PROMIS Social Isolation - CAT
Brief measure of Social Isolation
Suicide Capacity Scale (SC3)
Brief measure assessing subjective capacity to engage in suicide. Scores range from 0-36. Higher scores indicate greater suicide capacity
Other outcomes
Suicide Related Coping Scale
Suicide Related Coping measure ranging from 0-68, higher scores indicate greater suicide related coping.
Sponsors and contacts
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Northwestern University
Lead sponsor
National Institute of Mental Health (NIMH)
Collaborator