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Cannabis clinical trials in Los Angeles, CA
3 studies for Cannabis are looking for participants at sites in and around Los Angeles (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
High Potency Cannabis: Acute and Protracted Effects
RecruitingPhase 1Healthy volunteers welcome
- UCLA Center for Cannabis and Cannabinoids, Los Angeles
Age-dependent Effects of Smoked and Oral Delta-9-THC
RecruitingPhase 1Healthy volunteers welcome
- UCLA Center for Cannabis and Cannabinoids, Los Angeles
THC and CBD: A Controlled Human Study Probing a Harm Reduction Strategy
RecruitingPhase 1Healthy volunteers welcome
- UCLA Center for Cannabis and Cannabinoids, Los Angeles
About Cannabis
Cannabis, or marijuana, contains many chemicals, including CBD and THC, which causes a high. Learn about the short and long-term effects of cannabis use.
More about Cannabis on MedlinePlus
Cannabis trials in other cities
- Baltimore, MD6 studies
- San Diego, CA4 studies
- Charleston, SC4 studies
- New Haven, CT4 studies
- Aurora, CO3 studies
Other studies in Los Angeles
- Non-Small Cell Lung Cancer87 studies
- Cancer (all types)74 studies
- Breast Cancer73 studies
- Prostate Cancer61 studies
- Colorectal Cancer59 studies
- Metastatic Cancer57 studies
- Ovarian Cancer50 studies
- Lung Cancer45 studies
- Head and Neck Squamous Cell Carcinoma42 studies
- Pancreatic Cancer35 studies
- Endometrial Cancer34 studies
- Melanoma34 studies
From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.