Fundamental & clinical pharmacology · 2021
Characterization of benzodiazepine misuse and comorbidities in patients with alcohol use disorder.
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Lopez Elodie, Jeanne Guillaume, Lefort Laure-Hélène, Autissier Cécile, Picot Marie-Christine, Peyrière Hélène, Donnadieu-Rigole Hélène
Аннотация
BACKGROUND: Due to the frequent presence of anxious symptoms and sleep disorders, benzodiazepines (BZD) are often prescribed to patients with alcohol use disorder (AUD).
OBJECTIVES: To assess BZD misuse and psychiatric comorbidities in patients with AUD.
METHODS: This prospective, monocentric study included all adult patients with AUD hospitalized in a French addiction unit for alcohol withdrawal from November 2017 to May 2018.
RESULTS: Among the 153 patients included, 75 (49%) were using BZD at the time of their hospitalization. Duration of alcohol addiction was longer in BZD users: (33 ± 27 years vs. 29 ± 11 years; P = 0.001). BZD misuse was noted in 27 patients consuming benzodiazepines (36% of BZD users and 18% of all included patients), mainly increase in the dose (on average, 3 ± 4 times the prescribed dose). The most frequently misused benzodiazepines were diazepam (43.2%), alprazolam (18.9%), and lormetazepam (13.5%). The frequency of patients with lifetime use of cocaine or heroin was higher among BZD misusers than among non-misusers (84.6% vs. 42.2%; <0.01 and 53.9% vs. 27.1%; P = 0.04). The frequency of patients consuming cocaine in the last month was higher in BZD misusers than in others: 16% versus 6%, P = 0.002. In multivariate analysis, age (OR=1.65 for 5 years, 95% CI = 1.19-2.27; P = 0.023), psychiatric comorbidities (at least one comorbidity: OR=6.03, 95% CI = 1.40-25.83; P = 0.015) and lifetime cocaine consumption (OR=4.37, 95% CI = 1.21-15.86; P = 0.025) were independently associated with BZD misuse.
CONCLUSION: BZD prescription for long periods might result in tolerance and dose increase. Educational therapy, prescribers' awareness, and development of therapeutic alternatives are essential to limit BZD misuse.
OBJECTIVES: To assess BZD misuse and psychiatric comorbidities in patients with AUD.
METHODS: This prospective, monocentric study included all adult patients with AUD hospitalized in a French addiction unit for alcohol withdrawal from November 2017 to May 2018.
RESULTS: Among the 153 patients included, 75 (49%) were using BZD at the time of their hospitalization. Duration of alcohol addiction was longer in BZD users: (33 ± 27 years vs. 29 ± 11 years; P = 0.001). BZD misuse was noted in 27 patients consuming benzodiazepines (36% of BZD users and 18% of all included patients), mainly increase in the dose (on average, 3 ± 4 times the prescribed dose). The most frequently misused benzodiazepines were diazepam (43.2%), alprazolam (18.9%), and lormetazepam (13.5%). The frequency of patients with lifetime use of cocaine or heroin was higher among BZD misusers than among non-misusers (84.6% vs. 42.2%; <0.01 and 53.9% vs. 27.1%; P = 0.04). The frequency of patients consuming cocaine in the last month was higher in BZD misusers than in others: 16% versus 6%, P = 0.002. In multivariate analysis, age (OR=1.65 for 5 years, 95% CI = 1.19-2.27; P = 0.023), psychiatric comorbidities (at least one comorbidity: OR=6.03, 95% CI = 1.40-25.83; P = 0.015) and lifetime cocaine consumption (OR=4.37, 95% CI = 1.21-15.86; P = 0.025) were independently associated with BZD misuse.
CONCLUSION: BZD prescription for long periods might result in tolerance and dose increase. Educational therapy, prescribers' awareness, and development of therapeutic alternatives are essential to limit BZD misuse.