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Abstract
BackgroundCannabis oils from FM2®, Bedica®, Bediol®, Bedrocan®, Bedrolite® and Pedanios 22/1® are largely used for medical purposes such as spasticity, chronic pain and appetite stimulating. Several studies showed cannabinoids action on CB1 and CB2 receptors reduces the hyperalgesic phase in inflammatory pain, leading to an improvement of conditions. The active compounds of these galenic preparations show a high variability making titration mandatory. For this reason, the exact oil composition knowledge is fundamental for personalizing therapy. This amis at adapting the correct dose to the patient, improving safety and efficacy of the galenic formulation, choosing the best preparation for each patient. PurposeThe aim of this study was to investigate oil preparations variability among different galenic laboratories in order to highlight the importance of titration activity. MethodsCannabis pharmacological active compounds titration has been performed in a large cohort of galenic laboratories in Italy. CBD, CBN, THC, THCA and CBDA quantification was carried out by a previous validated method in UHPLC-MS/MS. ResultsA number of 4318 samples of Cannabis oil from 83 pharmacies between January 2021 and February 2022 were evaluated. All galenic preparation specialities showed statistically significant differences among galenic laboratories (p-value < 0.001). THCA and CBDA concentrations were investigated as percentage of the extration yelds for total THC and CBD: these compounds had different values in the same specialities among distinct galenic laboratories. Moreover, seasonal variability in analytes concentrations was observed. ConclusionThis study described a wide range of oily samples from a large number of galenic laboratories, compared to published papers. In conclusion, knowledge of the exact oil composition is fundamental in the perspective of personalized therapy. Further studies aiming at the correlation between galenic composition and cannabinoids pharmacokinetics, clinical outcomes and toxic effects could be useful to improve our knowledge.
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