NCT05696691

Brief Summary

The goal of this randomized pilot trial is to assess the feasibility of administering a combination of 100mg intramuscular (IM) ketamine and Crisis Response Plan (a short psychosocial intervention) for patients with acute suicidality in the context of the Emergency Department setting. This study will assess a combination of a pharmacologic intervention and a psychosocial one. The pharmacologic intervention is a one-time dose of 100mg ketamine delivered intramuscularly (IM) while the patient is in the ED. The psychosocial intervention under study is a brief, patient-centered therapy which takes, on average, 30 minutes to administer. Both interventions will be administered only once. The main questions this study aims to answer are:

  • Determine if 100mg of IM ketamine and Crisis Response Plan in combination results in greater short-term reductions in suicidal ideation in adult patients who report acutely elevated suicide risk during an ED visit.
  • Examine potential weight-based dose response differences in the reductions in suicidal ideation to determine if future treatment protocols with IM ketamine may benefit from weight-based dosing.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
24

participants targeted

Target at below P25 for phase_2

Timeline
8mo left

Started Jan 2023

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress84%
Jan 2023Dec 2026

Study Start

First participant enrolled

January 6, 2023

Completed
6 days until next milestone

First Submitted

Initial submission to the registry

January 12, 2023

Completed
13 days until next milestone

First Posted

Study publicly available on registry

January 25, 2023

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2026

Completed
8 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Expected
Last Updated

April 11, 2025

Status Verified

April 1, 2025

Enrollment Period

3.3 years

First QC Date

January 12, 2023

Last Update Submit

April 8, 2025

Conditions

Keywords

KetamineCrisis Response PlanSuicidal IdeationEmergency DepartmentAcute SuicidalityIntramuscular KetamineEmergency Room

Outcome Measures

Primary Outcomes (1)

  • Feasibility of study interventions

    Number of enrolled subjects completing treatment within study parameters, with safety and side-effect profiles at or lower than published rates.

    30 days

Secondary Outcomes (3)

  • Change in Beck Scale for Suicidal Ideation (SSI) Score

    Baseline to 30 days

  • Change in Depressive Symptoms Index-Suicidality Subscale (DSI-SS) Score

    Baseline to 30 days

  • Change in Suicide Visual Analog Scale (S-VAS) Score

    Baseline to 30 days

Study Arms (2)

Ketamine and Crisis Response Plan (CRP)

EXPERIMENTAL

Individuals randomized to the experimental arm will receive 100mg intramuscular ketamine injection before completing the Crisis Response Plan. The average timeframe for the experimental arm is anticipated to be approximately 60 minutes of active treatment. Following ketamine administration, the subject will be monitored for 45 minutes with pulse oximetry and recurrent vital signs. The study team will record when the CRP is completed in relation to the ketamine injection.

Drug: Ketamine HydrochlorideBehavioral: Crisis Response Plan

Treatment as Usual

NO INTERVENTION

Individuals randomized to the no intervention arm will receive routine care from emergency providers and psychiatry staff.

Interventions

100mg IM ketamine to be administered in conjunction with CRP. The ketamine injection will be administered first. Participants will be observed and have vital signs monitored for the first 45 minutes after administering medication in the ED, observing for immediate reactions. Afterwards, participants will continue to be monitored for potential late-term side effects on the inpatient unit. Ketamine will be given only after initial standard of care (SOC) treatment and screening studies have been initiated.

Also known as: Ketamine
Ketamine and Crisis Response Plan (CRP)

Crisis Response Plan is a brief, empirically-validated, Cognitive-Behavioral Therapy-based one-time therapy, and its administration typically takes 30-60 minutes. It begins with a narrative assessment (allowing patients to "tell their story") and concludes with collaboratively constructed plan that outlines strategies for the patient's self-management of future acute suicidal crises. Patients who engage in CRP are given an index card to keep with them that summarizes the emotional management strategies that they collaboratively generate with the CRP provider.

Also known as: CRP
Ketamine and Crisis Response Plan (CRP)

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult men and women between the ages of 18 and 70 presenting to the Emergency Department with acute suicidal ideation.
  • Patient cleared for admission to the University Hospital inpatient psychiatric unit.
  • Decision to admit the patient to the inpatient unit or psychiatric stabilization unit made prior to consent to prevent study procedures from complicating or influencing the disposition and treatment as usual for suicidal patients reporting to the ED.
  • Individuals presenting to the ED for other complaints but found to have suicidal ideation necessitating admission will also be eligible.
  • Able to read and write English.

You may not qualify if:

  • Serious mental illness with active and significant signs of psychosis, mania, hallucinations, paranoia, agitation, and drug-induced or other toxidromic symptoms.
  • Acute intoxication with clinically significant symptoms (as defined by the attending clinician's assessment of patients' clinical sobriety).
  • The patient is not capable of understanding the research procedures and providing informed consent for themselves.
  • Lack of reliable means to be available for follow-up assessments (e.g, working mobile phone).
  • Persistent resting blood pressure lower than 90/60 or higher than 180/110, or persistent resting heart rate lower than 45 beats/minute or higher than 120 beats/minute.
  • Injuries requiring procedural sedation.
  • Pregnancy or breast feeding.
  • Known hypersensitivity to ketamine.
  • Legal or illegal use of ketamine in the previous 90 days.
  • End-stage or severe cardiovascular (e.g., ACS or decompensated heart failure), liver, or kidney disease.
  • Patient is a prisoner.
  • Patient is physically restrained or actively under custody of law enforcement. Once a patient is no longer under custody of law enforcement or physically restrained, the patient may be considered eligible and may consent to voluntary enrollment in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital

San Antonio, Texas, 78229, United States

RECRUITING

MeSH Terms

Conditions

SuicideSuicidal IdeationEmergencies

Interventions

Ketamine

Condition Hierarchy (Ancestors)

Self-Injurious BehaviorBehavioral SymptomsBehaviorDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

CyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Robert De Lorenzo, MD, MSM

    UT Health San Antonio

    PRINCIPAL INVESTIGATOR
  • Romeo Fairley, MD, MPH

    UT Health San Antonio

    STUDY DIRECTOR
  • Alan Peterson, PhD, ABPP

    UT Health San Antonio

    STUDY DIRECTOR
  • Stacey Young-McCaughan, RN, PhD

    UT Health San Antonio

    STUDY DIRECTOR

Central Study Contacts

Stehanie Perez, MHA

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 12, 2023

First Posted

January 25, 2023

Study Start

January 6, 2023

Primary Completion

April 30, 2026

Study Completion (Estimated)

December 31, 2026

Last Updated

April 11, 2025

Record last verified: 2025-04

Data Sharing

IPD Sharing
Will share

All collected de-identified participant data that underlie results in a publication will be shared in a peer-reviewed scientific publication once data analysis is complete.

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Data will be made available upon conclusion of the study and dissemination of findings. It will be made available for five (5) years after the conclusion of the study.
Access Criteria
Links to study documents and data will be shared on website following publication of study results to enable the creation and refinement of related projects' study design and procedures.

Locations