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临床试验/NCT02295787
NCT02295787撤回4 期

Intranasal Ketamine for Late-Life Depression and Suicidal Ideation

Massachusetts General Hospital0 个研究点开始时间: 2015年7月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
4 期
状态
撤回
主要终点
Hamilton Depression Rating Scale (HDRS)

研究概览

简要总结

The investigators of this study plan to investigate the feasibility and efficacy of repeated doses of intranasal ketamine in severely depressed patients who are at least 65 years of age and experiencing suicidal ideation. The results of the study could lead to development of new strategies for treating depression.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围
65 Years 至 —(Older Adult)
性别
All
接受健康志愿者

入选标准

  • be ≥65 years old, 2) provide written informed consent, 3) meet criteria for a primary psychiatric diagnosis of major depressive disorder according to the Structured Clinical Interview for DSM-IV (SCID) and have a HDRS28 total score ≥20; depression may have started at any time point in their life, and certain co-morbid diagnoses (e.g., anxiety disorders) will be allowed insofar as they are not the primary psychiatric diagnosis, 4) have a history of ≥2 failed medication trials during the current episode (per the Massachusetts General Hospital Antidepressant Treatment History Questionnaire; MGH ATRQ), 5) endorse suicidal ideation for more than 2 months, per the Columbia Suicide Severity Rating Scale (C-SSRS) and have a HDRS28 suicide item score ≥1 (thoughts that life isn't worth living), 6) be on a stable antidepressant regimen for ≥14 days prior to Study Phase II, 7) maintain a treating psychiatrist who is in agreement with study participation, and 8) have a reliable chaperone accompany them home following the completion of the intranasal administration.

排除标准

  • Patients will be excluded if any of the following criteria are met: 1) Delirium or dementia diagnosis, 2) unstable medical illness, 3) history of clinically significant cardiovascular disease or electrocardiogram (EKG) findings, or medical conditions that put the patient at risk for possible cardiac side effects, 4) history of multiple adverse drug reactions, 5) current/past history of psychotic disorders or homicidality, 6) active substance use disorders (except nicotine and caffeine) within the past six months, positive urine toxicology screen, or past history of ketamine abuse, 7) requirement of excluded medications (narcotics, barbiturates, theophylline, or St. John's Wort), or 8) concurrent or recent participation in other research studies.

研究组 & 干预措施

Ketamine

Experimental

Intranasal Ketamine 50mg administered six times over three weeks.

干预措施: Ketamine (Drug)

Placebo

Placebo Comparator

Intranasal saline solution administered six times over three weeks.

干预措施: Placebo (Drug)

结局指标

主要结局

Hamilton Depression Rating Scale (HDRS)

时间窗: Up to 4 months

次要结局

未报告次要终点

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Dawn F Ionescu

Assistant in Psychiatry

Massachusetts General Hospital

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