University Of Colorado, Boulder

This study tests whether hemp-derived CBD (with or without a tiny amount of THC) can help people who use cannabis concentrates regularly to cut down or stop. 165 adults who want to reduce their cannabis use will take either CBD or a placebo for 8 weeks, plus attend therapy. Resea…

This study tests a goals-based exercise program designed with input from the Black community to help adults aged 45-65 exercise more. Participants will be randomly assigned to different goal-setting and exercise intensity groups. The study tracks activity levels, blood pressure, …

This study compares a 5-minute daily breathing exercise (IMST) to brisk walking for lowering blood pressure in postmenopausal women aged 50 and older with above-normal blood pressure. Researchers will measure changes in blood pressure and blood vessel function after 3 months of t…

This trial tests a culturally tailored, peer-led program called SanaMente for rural Latino adults with chronic medical conditions and mild-to-moderate depression or anxiety. Over 6 to 8 weeks, trained bilingual peer mentors lead small group sessions focused on mental health, stre…

This study tests whether hemp-derived CBD (with or without THC) can help older adults (60+) who use cannabis for pain, anxiety, depression, or sleep problems. Over 8 weeks, 385 participants will take either CBD+THC, CBD alone, or a placebo. The goal is to see if CBD can reduce sy…

This study tests a new program called EASE, which uses a simple writing exercise to help adults with advanced cancer manage their fear of the future and related trauma symptoms. The study will include 250 people with advanced solid tumors, glioblastoma, or certain ovarian or lung…

This study aims to understand what causes delayed sleep wake phase disorder (DSWPD), a condition where people's sleep times are shifted later. Researchers will compare 66 participants with DSWPD to healthy controls by measuring body temperature, melatonin, and thinking ability du…

This study investigates how changes in light exposure and meal timing influence the body's internal clocks, which are present in most tissues. Researchers will use a simulated jetlag protocol—16 hours awake followed by an 8-hour sleep opportunity—to measure proteins in blood and …

This study uses an online task to understand how people make decisions when things change over time. Participants watch package drops at two locations and must guess which location is active and what comes next. The goal is to learn about human thinking, not to test any treatment…

This study looks at tiny particles released from fat cells, called extracellular vesicles, and how they relate to blood vessel function in people with obesity. Researchers will compare normal-weight and obese adults, then have obese participants follow a 12-week weight loss diet.…