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Clinical trialNCT02556606CompletedPhase 3Interventional

Ketamine for Treatment Resistant Late-Life Depression

SponsorVA Office of Research and DevelopmentEnrollment33Treatment Resistant Depressive Disorder
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to examine the effectiveness of a single infusion of ketamine (KET), to determine which dose is optimal 7 days after infusion using Bayesian Adaptive Randomization, and to learn about how ketamine works in the body and brain in persons with late-life treatment resistant depression.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Michael E. Debakey Va Medical Center, Houston, Tx

    Houston, Texas, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

KetamineMidazolam →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Oct 2015
Primary completion
31 Mar 2020
Completion
31 Mar 2020
Last update posted
11 Jan 2022
Registered enrollment
33
Registry id
NCT02556606
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.