255
Participants
Start Date
November 8, 2019
Primary Completion Date
December 1, 2024
Study Completion Date
December 1, 2024
Study A: Single use of cannabis flower product
Participants are asked to purchase and use one of three cannabis flower strains with differing levels of THC and CBD: 1) CBD (\~14% CBD/0% THC), 2) THC (\~14% THC/0% CBD), or 3) THC+CBD (\~7% THC/7% CBD).
Study B: Ad libitum cannabis use for four weeks or no cannabis use
Participants choose whether to use a cannabis flower product ad libitum for four weeks or to not use cannabis for four weeks. Participants who choose to use cannabis are asked to purchase and use one of three cannabis flower strains with differing levels of THC and CBD: 1) CBD (\~14% CBD/0% THC), 2) THC (\~14% THC/0% CBD), or 3) THC+CBD (\~7% THC/7% CBD).
Center for Innovation and Creativity, Boulder
University of Colorado, Denver
OTHER
University of Colorado, Boulder
OTHER