Cannabis

2 papers3 findings

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

Against: findings that point the other way from most findings on the same outcome.

No results posted: trials that ended more than a year ago with no results on ClinicalTrials.gov and no paper in ARN’s record.

Company ties: findings with an author at a company, or from a paper whose competing-interests statement declares ties to one.

1 lab in 1 country
1 finding against
75 trials, 1 with no results posted

Funders: National Institute on Aging and 4 more

Humans1

Outcomes

Falls

no changein humans1

1 study

Cannabis has no effect on falls in humans.
Humansin aging people with HIV (fully adjusted for confounders including smoking)n = 957
Association of Cannabis Use With Risk of Subsequent Falls Among Adults Aging With HIV
Open forum infectious diseases11 Aug 2026

Associations

Cognitive function

mixedin humans1

1 study

Cannabis is associated with cognitive function in humans.
Reviewadolescent exposurebrain
A glial perspective on the neuropsychiatric effects of cannabis in adolescence and aging
International review of psychiatry (Abingdon, England)7 Oct 2026

Falls

upin humans1RR 1.27

1 study

Cannabis is associated with falls in humans (RR 1.27, 95% CI 1.02–1.57, P = .029).
Humansin baseline covariate-adjusted analysisn = 957
Association of Cannabis Use With Risk of Subsequent Falls Among Adults Aging With HIV
Open forum infectious diseases11 Aug 2026

Trials

In trials

Marijuana Abuse
Phase 3Results posted36 trials
Chronic pain
Phase 3Status unknown3 trials
Vaping
Phase 3Results posted2 trials
Back pain
Phase 3Completed1 trial
Neck pain
Phase 3Completed1 trial
Temporomandibular joint disorders
Phase 2/3Completed1 trial

40 of 49

Pain
Phase 2Completed6 trials
Cannabis Use
Phase 2Completed3 trials
Marijuana Smoking
Phase 2Results posted3 trials
Marijuana Use
Phase 2Results posted3 trials
Fibromyalgia
Phase 2Status unknown2 trials
Multiple sclerosis
Phase 2Status unknown2 trials
Post-traumatic stress disorder
Phase 2Status unknown2 trials
Sickle Cell Anemia
Phase 2Status unknown2 trials
Tobacco Use
Phase 2Recruiting2 trials
Tourette syndrome
Phase 2Terminated2 trials
Acute pain
Phase 2Terminated1 trial
Alzheimer's disease
Phase 2Completed1 trial
Anxiety disorders
Phase 2Completed1 trial
Crohn's disease
Phase 2Status unknown1 trial
Hepatitis C
Phase 2Status unknown1 trial
Knee osteoarthritis
Phase 2Status unknown1 trial
Nausea
Phase 2Completed1 trial
Neoplasm
Phase 2Status unknown1 trial
Nervous system disease
Phase 2Completed1 trial
Obesity
Phase 2Recruiting1 trial
Psoriasis
Phase 2Active, not recruiting1 trial
Seizures
Phase 2Status unknown1 trial
Traumatic brain injury
Phase 2Status unknown1 trial
Driving Under the Influence
Phase 1/2Results posted3 trials
Neuralgia
Phase 1/2Results posted3 trials
Spinal cord injury
Phase 1/2Results posted2 trials
Agnosia
Phase 1/2Active, not recruiting1 trial
Diabetic neuropathy
Phase 1/2Completed1 trial
Essential tremor
Phase 1/2Results posted1 trial
Memory disorder
Phase 1/2Results posted1 trial
Obsessive-compulsive disorder
Phase 1/2Results posted1 trial
Peripheral nervous system diseases
Phase 1/2Results posted1 trial
Postherpetic neuralgia
Phase 1/2Results posted1 trial
Reflex sympathetic dystrophy
Phase 1/2Results posted1 trial

Readouts due

30 Dec 2026
To Check Safety of Ayurvedic Oral Cannabis in Breast and Head and Neck Cancer
Phase 1Active, not recruiting
1 Feb 2027
Lung Health and Breath Biomarkers: Acute Effects of Inhaled Cannabis
Early phase 1Not yet recruiting

Stopped

NCT03766971SuspendedTobacco Use
In response to quality assurance and compliance concerns, OHRP issued an FWA restriction on NYSPI research that included a pause of human research as of June 23, 2023.
NCT03247244TerminatedTourette syndrome
Recruitment/enrollment took too long
NCT04100590TerminatedAcute pain
During a piloting phase with our staff, the technology/eye-tracking device did not collect outcomes as expected.
NCT03246113TerminatedGlioblastoma
Lack of subject interest due to study design