Repeated Ketamine Infusions for Comorbid PTSD & MDD in Veterans

Status Recruiting

Clinical Trial Summary

Co-occurring post-traumatic stress disorder (PTSD) and major depressive disorder (MDD) is the most common response to trauma; it is associated with poor clinical outcomes and substantial human disability. Veterans with both PTSD and MDD (PTSD+MDD) have been shown to be at much greater suicidal risk than individuals with only one of these disorders. Ketamine given as repeated infusions has been shown to be effective in rapidly reducing PTSD and MDD symptoms in treatment resistant PTSD+MDD individuals. However, knowledge about the mechanisms underlying comorbid PTSD and MDD remain limited. The purpose of this study is to use repeated ketamine infusions as a probe to validate a model of PTSD+MDD that focuses on neuroanatomy and executive functioning.

Clinical Trial Description

This study is designed to better characterize the neurocognitive and associated functional connectivity mechanisms underlying comorbid post-traumatic stress disorder (PTSD) and major depressive disorder (MDD) among veterans. Participants will be male/female veterans (18 to 75 years old) of any era or military background who suffer from chronic PTSD and MDD. Potential participants will be recruited from mental health clinics and screened for eligibility using a two stage process (phone/chart review, followed by interview). Participants with PTSD+MDD will undergo a series of baseline assessments including a baseline functional magnetic resonance imaging (fMRI) then be randomized to receive either 6 ketamine or 6 normal saline infusions on a Monday-Friday schedule over 3 weeks. On the day of infusion, participants will be required to stay at the clinical site for 2 hours after the infusion has been given. They will also be monitored via a phone call on the following day. After the infusion period has been completed participants will undergo a follow-up fMRI then 4 follow-up visits, up to 2 months. Additional participants will be enrolled in healthy control, depression only, and PTSD only groups and will only undergo baseline assessments, including a single fMRI. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04032301
Study type	Interventional
Source	University of Minnesota
Contact	Alyssa Krueger, BS
Phone	612-467-1829
Email	Alyssa.Krueger@va.gov
Status	Recruiting
Phase	Phase 1
Start date	September 30, 2019
Completion date	April 1, 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Repeated Ketamine Infusions for Comorbid PTSD and MDD in Veterans

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms