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Clinical Trial Summary

Rising US suicide rates and the increased risk of suicide among persons who visit an emergency department (ED) for suicidality make the ED an important site for interventions to prevent suicide. There is no approved treatment for rapid relief of suicidal thoughts although clinical trials, including ours, show relief of suicidal thoughts within hours of treatment with inexpensive, generic, sub-anesthetic ketamine. We propose a clinical trial of intramuscular ketamine in depressed ED patients with high-risk suicidality, which if successful would support a novel, easy-to-use, scalable intervention for busy emergency clinicians to implement.


Clinical Trial Description

Rising US suicide rates and the increased risk of suicide among persons who visit an emergency department (ED) for suicidality make the ED an important site for interventions to prevent suicide. Clinical trials, including ours, show relief of suicidal thoughts within hours of treatment with inexpensive, generic, subanesthetic ketamine. We have received NIMH R01 funding to conduct a clinical trial of intramuscular (IM) ketamine in unipolar or bipolar depressed adults who present to the CUIMC psychiatric ED with suicidality severe enough to require inpatient hospitalization as judged by ED clinical staff. Clinical staff will ask potentially eligible patients if they would like to learn more about the study, and if so, a research assistant (RA) will describe the study to the patient and perform a basic eligibility screen. Key exclusions are unstable medical problems, substance abuse, psychosis, and further detail is provided in the Inclusion/Exclusion criteria. Participants (N=90) who enroll will undergo baseline clinical ratings, brief cognitive testing, and then be randomized, double-blind, in a 2:1 ratio to a single IM injection of ketamine (n=60) or midazolam comparator (n=30). Vital signs and clinical state will be monitored until injection effects subside (approximately 2 hrs). Blood samples will be drawn at 60 minutes and 90 minutes postinjection to assay ketamine level and a genetic sample will be stored. All participants will then be admitted to the 9GN inpatient unit for standard clinical treatment with periodic research follow-up ratings through 4 weeks post-discharge from hospital. Ongoing outpatient treatment will be arranged by the inpatient clinical team. Positive results from this trial would support a novel, easy-to-use, inexpensive, and scalable intervention for busy emergency clinicians to implement. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04640636
Study type Interventional
Source New York State Psychiatric Institute
Contact
Status Active, not recruiting
Phase Phase 4
Start date January 2, 2021
Completion date March 2025

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