5 research outputs found

    Nitrous oxide: a unique official French addictovigilance national survey

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    IntroductionNitrous oxide has become over the last few years a public health problem in many countries. France has a dedicated health monitoring system dedicated to the surveillance of the abuse, dependence and consequences associated with the use of psychoactive substances coordinated by the French National Agency for the Safety of Medicines and Health Products.We present the French national survey of nitrous oxide.Materials and methodsWe analyzed all the cases with nitrous oxide from 2012 to 2021: number of notifications, characteristics of the subjects and consumption, consequences reported and their evolutions over time. In addition, we have made a special focus on the four main complications reported.ResultsA total of 525 cases were received with an exponential increase since 2019. We observed changes in the characteristics of the notifications with an increase in the proportion of women [42.7% in 2021 vs. 30.8% in 2020 (p = 0.02)]; an increase in the quantities consumed (use of cylinders); a negative evolution of the contexts of use with a search for self-therapeutic effects and use in violent contexts; an increasing trend of the severity of cases [78.1% in 2021 vs. 70.0% in 2020 (p = 0.07)].The main effects were substance use disorders and/or associated criteria (82.5%), neurological disorders (75.4%), psychiatric symptoms (15.4%) and cardiovascular events (8.6%). In terms of evolution, we observed a significant increase in cases with a use disorder and an increase in neurological complications. Moreover, new serious effects, notably cardiovascular events were reported.DiscussionThe combination of high availability, varied effects from euphoria to relief of discomfort in a stressful global pandemic context and the development of dependence could explain the rapid growth of consumption and the seriousness of the cases.It must now be taken into account that (i) Substance use disorders are associated with nitrous oxide consumption; (ii) clinicians must consider “nitrous oxide” in young subjects presenting different types of manifestations; and (iii) stopping consumption is imperative and is the first treatment. In this context, an addictological assessment must also be carried out

    “Naloxone? Not for me!” First cross-assessment by patients and healthcare professionals of the risk of opioid overdose

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    Abstract Background Opioid-related mortality is a rising public health concern in France, where opioids were in 2021 implicated in 75% of overdose deaths. Opioid substitution treatment (OST) was implicated in almost half of deaths related to substance and drug abuse. Although naloxone could prevent 80% of these deaths, there are a number of barriers to the distribution of take-home naloxone (THN) among opioid users in France. This study is the first one which compares patients' self-assessment of the risk of future opioid overdose with the hetero-assessment provided by healthcare professionals in a population of individuals eligible for naloxone. Methods This was a multicenter descriptive observational study carried out in pharmacies across the Pays de la Loire region (France) during April and May 2022. All adult patients who visited a participating pharmacy for a prescription of OST and provided oral informed consent were enrolled in the study. Retrospective data were collected through cross-sectional interviews conducted by the pharmacist with the patient, utilizing an ad hoc questionnaire. The patient’s self-assessment of overdose risk was evaluated using a Likert scale from 0 to 10. The pharmacist relied on the presence or absence of overdose risk situations defined by the French Health Authority (HAS). The need to hold THN was assessed using a composite criterion. Results A total of 34 patients were interviewed; near one third were aware of the existence of THN and a minority had THN in their possession. Out of the 34 participants, 29 assessed their own risk of future opioid overdose: 65.5% reported having zero risk, while 6.9% believed they had a high risk. Nevertheless, at least one risk situation of opioid overdose was identified according to HAS criteria in 73.5% of the participants (n = 25). Consequently, 55% of the participants underestimated their risk of experiencing a future opioid overdose. Yet, dispensing THN has been judged necessary for 88.2% of the participants. Conclusion This study underscored the imperative need to inform not only healthcare professionals but also the patients and users themselves on the availability of THN and the risk situations of opioid overdose

    Augmentation des surdoses et décÚs en lien avec la consommation de méthadone durant la crise sanitaire liée au COVID-19 en 2020

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    International audienceDue to the risk of overdoses increase especially with methadone, a reinforced monitoring has been set up by the French Addictovigilance Network following the first lockdown related to coronavirus disease 2019 (COVID-19). In this context, we managed a specific study to analyze overdoses related to methadone in 2020 compared to 2019. We analyzed methadone-related overdoses which occurred in 2019 and 2020 from two sources: DRAMES program (deaths with toxicological analysis) and the French pharmacovigilance database (BNPV) (overdoses that did not lead to death). Data from DRAMES program in 2020 show methadone as the first drug involved in deaths as well as an increase in deaths: in number (n=230 versus n=178), in proportion (41% versus 35%) and number of deaths per 1000 exposed subjects (3.4 versus 2.8). According to BNPV, the number of overdose increased in 2020 compared to 2019 (98 versus 79; i.e., 1.2-fold increase) particularly during several target periods: first lockdown, end of lockdown/summer period and second lockdown. In 2020, a higher number of cases were observed in April (n=15) and May (n=15). Overdoses and deaths occurred in subjects enrolled in treatment programs or not (naĂŻve subjects/occasional users who obtained methadone from street market or family/friends). Overdoses resulted from different factors: overconsumption, multiple drug use with depressants drugs or cocaine, injection, consumption for sedative, recreational purposes or voluntary drug poisoning. All these data show an increase of morbidity and mortality related to methadone during COVID-19 epidemic. This trend has been observed in other countries.Une surveillance renforcĂ©e a Ă©tĂ© mise en place par le rĂ©seau français d’addictovigilance Ă  la suite du premier confinement liĂ© au (COVID-19), en raison du risque d’augmentation des surdoses, notamment avec la mĂ©thadone. Dans ce contexte, une Ă©tude a Ă©tĂ© mise en place pour dĂ©crire les surdoses liĂ©es Ă  la mĂ©thadone en 2020 au regard de l’annĂ©e 2019. Les surdoses liĂ©es Ă  la mĂ©thadone ont Ă©tĂ© analysĂ©es selon deux sources : le dispositif DRAMES (dĂ©cĂšs avec analyses toxicologiques) et la base nationale de pharmacovigilance (BNPV) pour les surdoses non fatales. D’aprĂšs les donnĂ©es DRAMES, la mĂ©thadone est toujours la premiĂšre substance impliquĂ©e dans les dĂ©cĂšs en 2020 avec une augmentation des dĂ©cĂšs : en nombre ( = 230 en 2020 versus = 178 en 2019), en proportion (41 % versus 35 %) et en nombre de dĂ©cĂšs pour 1000 sujets exposĂ©s (3,4 versus 2,8). D’aprĂšs la BNPV, le nombre de surdoses a augmentĂ© en 2020 par rapport Ă  2019 (98 versus 79 ; soit multipliĂ© par 1,2) en particulier durant certaines pĂ©riodes cibles : premier confinement, dĂ©confinement/pĂ©riode estivale et deuxiĂšme confinement. En 2020, le nombre le plus important de surdoses a Ă©tĂ© observĂ© en avril ( = 15) et mai ( = 15). Les surdoses sont survenues chez des consommateurs de mĂ©thadone dans le cadre d’un protocole de soins ou en dehors (sujets naĂŻfs/consommateurs occasionnels ayant obtenu la mĂ©thadone via le marchĂ© de rue ou l’entourage). Les surdoses rĂ©sultent de diffĂ©rents facteurs : surconsommation, polyconsommation avec d’autres dĂ©presseurs ou cocaĂŻne, injection, consommation Ă  des fins sĂ©datives, rĂ©crĂ©atives ou intoxication mĂ©dicamenteuse volontaire. L’ensemble de ces donnĂ©es montre une augmentation de la morbi-mortalitĂ© liĂ©e Ă  la mĂ©thadone pendant l’épidĂ©mie de COVID-19 en 2020. Ce phĂ©nomĂšne a Ă©tĂ© Ă©galement constatĂ© dans d’autres pays

    Trends in Fatal Poisoning Among Drug Users in France From 2011 to 2021

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    Importance The DRAMES (DĂ©cĂšs en Relation avec l’Abus de MĂ©dicaments Et de Substances) register is a database of drug-related deaths with the aim of identifying the psychoactive substances associated with and estimating the trends in these deaths. Our novel approach is based on the collection of data on all deaths for which toxicology experts have performed analyses. Objective To describe drug-related deaths in France and report trends over an 11-year period. Design, Setting, and Participants This case series used a national register to assess 4460 drug-related deaths that occurred from 2011 to 2021 in France. Data analyses were performed from January 1, 2012, to December 31, 2022. Main Outcomes and Measures Demographic characteristics; medical and substance abuse history; forensic autopsy findings; and toxicology reports. Results Among the 4460 deceased individuals (mean [SD] age, 37.8 [10.5] years), the mortality rate was highest among men (sex ratio, 4.4:1). Of the deaths involving a single or predominant drug, the legal substitution product, methadone, was the leading cause of death during the entire study period, ahead of heroin—44.7% and 35.9% for methadone vs 15.8% and 21.8% for heroin in 2011 and 2021, respectively. Between 2011 and 2021, most of the drug-related deaths shifted from licit to illicit drugs, and statistically significant variations were found for buprenorphine, cocaine, heroin, methadone, and other licit opioids. Deaths related to polydrug use increased from 23.2% in 2011 to 30.6% in 2021. In this context, opioids remained associated with most deaths, with at least 1 opioid being involved in approximately 9 of 10 cases (85.9%) in 2021. However, the main trend was the dramatic increase in drug combinations with cocaine, from less than one-third of cases in 2011 (30.8%) to more than half in 2021 (57.8%). Conclusions and Relevance This case series assessment of 4460 drug-related deaths found that opioids used alone or in combination were the main contributor to drug-related deaths, despite having a lower prevalence than other drugs. This finding is similar to that of other countries; however, in France licit methadone was the leading cause of opioid-related deaths (ahead of heroin) during the study period. Deaths associated with use of cannabis, new psychoactive substances, and stimulants (including amphetamine-type stimulants and cocaine, especially in combination) have increased and should be closely monitored

    Substance use disorder of equimolar oxygen-nitrous oxide mixture in French sickle-cell patients: results of the PHEDRE study

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