Gaize and dicentra open participant registration for the VR Cannabis Impairment clinical trial

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Our mission is to improve the lives of millions around the world. Working with great partners like Gaize helps make this mission a success, by providing the clinical evidence needed to bring vulnerability detection devices like this to market, and making our methods safer.” — Peter Wojewnik, Partner, dicentra

dicentra, a world-renowned contract research organization (CRO) and global consulting firm, is pleased to announce the opening of registration for participants in a groundbreaking new study on cannabis disabilities with its client Gaize. The study is looking for 350 participants to volunteer at the dicentra clinical research site in Toronto, Canada.

Cannabis use can negatively affect a driver’s ability to operate a vehicle safely by affecting motor skills, slowing reaction time, and impairing short-term memory and concentration. Despite this, according to research conducted at Western University, driving under the influence increased by 43% in the first full year after Canada’s federal legalization of cannabis. This statistic is further compounded by findings from the 2021 Canadian Cannabis Survey, according to which one in four cannabis users admit to operating a vehicle while under the influence of cannabis.

Certified alcohol screening devices (ASDs) have been available to law enforcement agencies for more than four decades. These devices provide an easy way to check the presence and concentration of alcohol when roadside traffic stops. Unlike alcohol, there are currently no similar screening devices to ascertain the level of cannabis vulnerability. In fact, studies suggest that the standardized field sobriety test (SFST), and roadside oral fluid screening may be unreliable measures of cannabis impairment.

The Gaize Cannabis Impairment Detector runs an automated standardized field sobriety test of the eye and captures high-resolution video of eye movement. Eye movement data is used to identify cannabis intoxication and the captured footage is stored securely and can later be used as evidence to show signs and symptoms of vulnerability. This product simultaneously addresses the issue of safety, accuracy, and fair and reliable evidence in potential litigation and defense cases.

The implications of this study for road safety are enormous. This is what makes such a study so important,” says Peter Wjevnik, Partner at Decentra. Part of our mission is to improve the lives of millions around the world. Working with great partners like Gaize helps make this mission a success, by providing the necessary clinical evidence To bring cannabis vulnerability detectors like this to market, and help make our roads safer.”

“The Gaize Cannabis Vulnerability Detector has been specifically designed to provide a safe and reliable investigational device for the detection of cannabis,” says Ken Fichtler, CEO of Gaize. “Our proprietary cannabis detection program is the first of its kind to be used in a virtual reality headset. This study will help us determine how safe, effective and reliable our devices are.”

dicentra’s Toronto will allow rapid recruitment of participants due to its downtown location on multiple transit routes, providing access to millions of potential participants within a 20-mile radius. Dicentra prides itself on having the ability to rapidly recruit participants to meet the needs of clinical trial sponsors, offering a state-of-the-art clinical research clinic strategically located in the heart of Toronto, Canada.

To participate in this trial, or to inquire about upcoming clinical trials, please visit:

About Gaize

Gaize was created with one goal in mind. We see a world where the inevitable legalization of cannabis with technology keeps roads and workplaces safe. We firmly believe that our approach is uniquely well suited to the challenges presented by cannabis use. We will succeed because we must!

About Dicentra

dicentra is a leading Contract Research Organization (CRO) and global consulting firm specializing in handling all matters relating to safety, quality and compliance for all product categories in the life sciences and food industries. We evaluate, implement and provide all necessary support for products and processes to reach the market and build trust in your brand. We achieve this through our three business divisions: Consulting, Clinical Trials and Certification. Since our inception in 2002, we have completed over 24,000 projects and served over 1,400 companies internationally.

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