EvK Clinical Trial

EvK Clinical Trial Opt-Out Bracelets

Individuals who live or work in the catchment area of Parkland Hospital in Dallas, TX may “opt-out” of the study. To do this, please request to opt-out using the contact information below. You will be sent a custom MedAlert bracelet indicating this choice. The bracelet will be sent to you free of charge by mail.


​Las personas que viven o trabajan en la zona del Hospital Parkland en Dallas, TX pueden "negar de tener parte" del estudio. Para ello, por favor, solicita la información de “negar de tener parte” del contacto antemencionado. Se le mandará un brazalete MedAlert personalizado indicando esta elección. La pulsera se enviará a usted de forma gratuita por correo.


Gerald Matchett, MD, EvK Clinical Trial Principal Investigator
Dept. of Anesthesiology & Pain Management
University of Texas-Southwestern Medical Center MC 9068
5323 Harry Hines Blvd, Dallas, TX 75390-9068

Clinical trial email: info@evktrial.org

Academic email: gerald.matchett@utsouthwestern.edu
Telephone: 214-648-6400