University of California, San Diego
Engaging the Endocannabinoid System with Cannabidiol to Reduce Anxiety Reactivity: A 
Randomized Controlled Trial in Social Anxiety Disorder (R61 Project)

REDCap Pre-screening Questionnaire Consent 

Thank you for your interest in our research study at the University of California San Diego. This study will investigate how cannabidiol (CBD) affects biological and stress responses that are believed to underlie anxiety disorders. Knowledge gained from this study may help inform the therapeutic potential of CBD for anxiety.

Participation in this study will involve an initial screening visit with a clinical interview and medical assessment to determine if you are eligible. If you are eligible, you will be asked to complete a baseline session and a post-test session 4 days later. Each session will involve completing questionnaires, vital signs, a blood draw, and computerized and behavioral tasks. At the end of the baseline visit, you will be randomly assigned to receive one of two doses of cannabidiol (CBD) or placebo (an inactive substance), which you will take twice daily for 3 days. The total time commitment for this study ranges from 9 to 12 hours over 3 visits scheduled 
within 2 weeks. You will be compensated for your time.

If you are interested in learning more, please complete the survey below to help us determine if you may be eligible for further screening to participate in this study. 

The information you provide will be kept confidential, and will be accessible only to research personnel. The data will be stored on a secure HIPAA-compliant server and will be used to determine whether you may be eligible to participate in our research study. If you prefer speaking with study staff directly, please call (858) 534-6407 or email

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