PTSD Clinical Trial - Biomarkers in the Retina for Prognosticating Mental

Status Recruiting

Clinical Trial Summary

Title: ERG as a potential biomarker of SSRI-responsive PTSD: A pilot study Posttraumatic stress disorder (PTSD) affects many individuals who experience a traumatic event. Previous studies suggest that there is a connection between the brain and the retina, and that the electroretinogram (ERG) may be a valuable biomarker to tell us more about signals in the brain that are related to mental health disorders like PTSD. The goal of this observational study is to examine the ERG waveform in veterans with PTSD before and after a single dose of the selective serotonin reuptake inhibitor (SSRI), sertraline. Sertraline is one of two FDA-approved medications for the treatment of PTSD. The main questions this pilot study aims to answer are: 1. How does sertraline, an SSRI, influence the ERG waveform in veterans with PTSD? 2. Is there a significant correlation between baseline ERG signals and the change in ERG following SSRI treatment? Participants will be asked to: - Undergo ERG recordings before and after a single dose of sertraline. - Provide relevant clinical information related to PTSD symptoms and treatment history. Following the initial study visits, participants will enter an optional open label phase of the study in which qualifying participants who initiate antidepressant treatment through routine clinical care will be invited back for a follow-up ERG recording.

Clinical Trial Description

In this study, individuals will undergo an assessment that includes taking a history of their previous exposure to traumatic events, an assessment of current mental health symptoms including those associated with PTSD, and an assessment of physiologic measures, including ERG as well as vital sign measurements, blood draw, and saliva sampling. Participants will be given a single dose of sertraline (50mg), and a repeat ERG will be administered. An optional open label phase of the study will follow, in which participants who undergo treatment with an antidepressant will be invited back for a follow-up assessment with repeat ERG. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06363968
Study type	Interventional
Source	VA Puget Sound Health Care System
Contact	Katharine J Liang, MD, PhD
Phone	(206) 277-6538
Email	katharine.liang@va.gov
Status	Recruiting
Phase	N/A
Start date	February 12, 2024
Completion date	September 1, 2030

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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.

Biomarkers in the Retina for Prognosticating Mental Health Treatments — BRIGHT

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms