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Eur Neurol. 2016;75 Suppl 1:9-12. doi: 10.1159/000444236. Epub 2016 Feb 23.

Health Authorities Data Collection of THC:CBD Oromucosal Spray (L'Agenzia Italiana del Farmaco Web Registry): Figures after 1.5 Years.

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1
Department G.F. Ingrassia, Section of Neurosciences, University of Catania, Catania, Italy.

Abstract

BACKGROUND:

In Italy, all prescriptions for THC:CBD oromucosal spray for treatment of multiple sclerosis (MS) spasticity are linked to the official Agenzia Italiana del Farmaco (AIFA) web-based registry, which tracks the effectiveness and tolerability of medications in a prospective and observational manner.

METHODS:

AIFA e-registry data for THC:CBD oromucosal spray collected between January 2014 and February 2015 for 1,534 patients from 30 large Italian specialized MS centres were compiled. Patients had a long disease history (17.6 ± 8.6 years) and significant impairment (mean Expanded Disability Status Scale score 6.4 ± 1.2). MS spasticity was evaluated using the 0-10 numerical rating scale (NRS).

RESULTS:

After the first month titration and trial period, 61.9% of patients achieved sufficient improvement in spasticity (≥20% NRS) to qualify for continued treatment. After 6 months, clinically meaningful ≥30% NRS improvement was recorded in 40.2% of patients continuing with treatment. Spasticity-associated symptoms such as cramps and nocturnal spasms improved in most responding patients. Mean reported doses of THC:CBD oromucosal spray (6.2-6.7 sprays/day) were lower than those reported in clinical trials. Adverse events (mainly mild to moderate) were reported by 15% of patients; no new safety concerns beyond the approved label were identified.

CONCLUSION:

The results of the AIFA e-registry analysis align with those of other THC:CBD observational projects and reaffirm the characteristics of this therapeutic option in the management of treatment-resistant MS spasticity, a frequently overlooked symptom.

PMID:
26901344
DOI:
10.1159/000444236
[Indexed for MEDLINE]
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