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2.
Addiction ; 99(9): 1206-18, 2004 Sep.
Article in English | MEDLINE | ID: mdl-15317642

ABSTRACT

BACKGROUND: Previous published studies assessed the efficacy of bupropion in smoking cessation only in North American populations of smokers. Results of therapeutic drug trials are not always directly applicable in other populations. AIMS: To confirm the efficacy of bupropion in smoking cessation in European smokers. DESIGN: A multi-centre, randomized, double-blind placebo-controlled trial. SETTING: Seventy-four smoking cessation out-patient clinics in France. PARTICIPANTS: The study included 509 smokers motivated to quit smoking. Intervention Subjects were randomized to either slow-release bupropion 150 mg b.i.d. (B) or to placebo (Pl) in a 2 : 1 ratio, treated for 7 weeks, and followed-up for 26 weeks. MAIN OUTCOME MEASURE: 6 months' point prevalence abstinence, determined by self-report and expired air carbon monoxide measurement. SECONDARY OUTCOME MEASURES: weeks 4-7 and weeks 4-26 continuous abstinence rates, craving, withdrawal symptoms, weight and cigarette consumption in smokers unable to quit. Adverse events were recorded systematically. FINDINGS: Six months' point prevalence abstinence rates were 31% and 16%[odds ratio = 2.3, confidence interval (CI) 95%: 1.4-3.7] in the B and Pl groups, respectively. Continuous abstinence rates were 41% (B) and 21% (P) with OR = 2.5 (CI 95%: 1.6-3.9) for weeks 4-7, and 25% (B) and 13% (P) with OR = 2.2 (CI 95%: 1.3-3.6) for weeks 4-26, respectively. Craving decreased significantly more with B than with Pl during treatment period, but there was no difference for total withdrawal symptoms score. Abstinent subjects gained significantly less weight at week 7 with B than with Pl. Low level of nicotine dependence, high motivation, absence of smoking-related disease, long duration of previous quit attempts, male gender, low level of current alcohol problems and living as a couple were predictive of successful cessation. With the exception of marital status, no interaction was observed between any of these predictive factors and the efficacy of bupropion. More of those who continued smoking in the B group than the P group reduced their consumption by at least 50%. CONCLUSIONS: Sustained-release bupropion is efficacious as an aid to smoking cessation in European smokers. No outcome predictors were identified that might indicate that certain subgroups of smokers would benefit more than others from treatment with bupropion.


Subject(s)
Bupropion/therapeutic use , Dopamine Uptake Inhibitors/therapeutic use , Smoking Prevention , Adult , Alcohol Drinking , Bupropion/adverse effects , Dopamine Uptake Inhibitors/adverse effects , Double-Blind Method , Female , France/epidemiology , Humans , Male , Marital Status , Motivation , Patient Dropouts/psychology , Prevalence , Sex Factors , Smoking/epidemiology , Smoking Cessation/methods , Tobacco Use Disorder/rehabilitation , Treatment Outcome , Weight Gain/physiology
3.
Rev Neurol (Paris) ; 159(5 Pt 1): 552-62, 2003 May.
Article in French | MEDLINE | ID: mdl-12773900

ABSTRACT

The objective of this study was to provide an epidemiological description of naratriptan use in ambulatory medicine. 1695 patients were recruited by 384 primary care physicians and 111 neurologists, and followed for 12 weeks. Physicians had to document the migraine history, and to report symptoms and health care in a structured case report form. Patients were to document each episode of migraine (EM) in a diary. At baseline, 45 p.cent of the patients reported their migraine treatment as unsatisfactory. Ninety-eight percent of included patients were migraineurs according to criteria of the International Headache Society (IHS), including migrainous disorders. Ninety-two percent of naratriptan prescriptions were established in the second intention in patients with migraine, according to the IHS classification, including migrainous disorders. A total of 79 p.cent of patients had complied with the good practices for all EMs. More appropriate health education strategies should target the small group of patients who over-use naratriptan, and patients with aura. However, this study shows that naratriptan tends to be correctly prescribed by physicians, and used by patients with acute migraine.


Subject(s)
Ambulatory Care , Indoles/therapeutic use , Migraine Disorders/drug therapy , Piperidines/therapeutic use , Vasoconstrictor Agents/therapeutic use , Acute Disease , Adult , Ambulatory Care/statistics & numerical data , Female , Follow-Up Studies , Humans , Male , Migraine Disorders/epidemiology , Prospective Studies , Tryptamines
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