Cannabidiol Treatment in Patients With Early Psychosis

Completed · Phase 2 · Has a placebo group

Conditions studied: Schizophrenia, Schizoaffective Disorder

In brief

Cannabidiol (CBD) is a component of herbal cannabis that is present in varying concentrations in cannabis extracts. CBD has been shown to produce central effects including hypnotic, anticonvulsive, anxiolytic and neuroprotective effects.The investigators hypothesize that treatment with CBD will result in: 1) Improvement evidenced by a reduction in scores on the Positive and Negative Syndrome Scale for Schizophrenia (PANSS), 2) Improvement evidenced by a reduction in the Clinical Global Impression of Severity scale (CGI); Secondary Hypothesis: 1) Greater improvement in functioning as measured on the "Patient Assessment of Own Functioning Inventory: (PAOFI) and the Quality of Life Scale (QLS) In this 2 period cross over design, subjects will be randomized in a 1:1 ratio to receive either: Order 1: CBD (Period 1) followed by placebo (Period 2) or Order 2: Placebo (Period 1) followed by CBD (Period 2) under double-blind conditions. The 2 study periods will be separated by a washout of at least 2 weeks. During each period subjects will receive study medications (CBD \[total 800mg/day\] or placebo) for a period of 4 weeks.

Key facts

Study ID
NCT02504151
Run by
Yale University
People needed
18
Starts
2016-01-28
Expected to finish
2018-03-09
Last updated by the study team
2022-09-06

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

You may not qualify if…

Where it is running

Full record on ClinicalTrials.gov

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