Acceptance of pharmaceutical cannabis substitution by cannabis using patients with schizophrenia.

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Acceptance of pharmaceutical cannabis substitution by cannabis using patients with schizophrenia.

Harm Reduct J. 2018 Sep 20;15(1):47

Authors: van Amsterdam J, Vervloet J, de Weert G, Buwalda VJA, Goudriaan AE, van den Brink W

Abstract
BACKGROUND: Cannabis-smoking patients with a psychotic disorder have poorer disease outcomes than non-cannabis-smoking patients with poorest outcomes in patients smoking high-potency cannabis (HPC) containing high Δ9-tetrahydrocannabinol (THC) and low cannabidiol (CBD). Quitting cannabis smoking or substitution of HPC by cannabis variants containing less THC and/or more CBD may benefit these patients. The present study explores whether daily HPC-smoking patients with schizophrenia accept smoking such variants.
METHODS: Twelve male patients were asked to smoke on six different occasions one joint: on two occasions, the cannabis they routinely smoke (HPC; not blind), and blind in random order; on two occasions, cannabis containing low THC and no CBD; and on two occasions, cannabis containing low THC and high CBD.
RESULTS: Both substitute variants were appreciated, but patients preferred the HPC they usually smoked. The effect of the low THC/high CBD variant was reported by 32% to be too short and by 36% to be not strong enough, whereas this was reported by 5% and 64%, respectively, for the low THC cannabis variant.
CONCLUSIONS: Based on these findings, a larger and longer study on the efficacy of cannabis substitution treatment in HPC-smoking patients with schizophrenia seems feasible and should be considered.
TRIAL REGISTRATION: 2014-005540-17NL . Registered 22 October 2014, 2014-005540-17NL 20141215 CTA.xml.

PMID: 30236118 [PubMed – in process]


Source: Estudios sobre Cannabidiol (CBD)

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