Unlike many study designs, all participants in this study received active medication for 7 weeks prior to randomization. The study, conducted from November 1995 through June 1998, had three phases: open-label Weeks 1 to 7 ; , double-blind relapse prevention RP ; Weeks 7 to 52 ; , and follow-up week 52 to 24 months ; . After initial screening and determination of eligibility, 784 participants 54% women ; consented to enroll in the study, attended a baseline visit, and entered the open-label phase. They received 300 mg per day of bupropion SR 150 mg twice daily ; for 7 weeks. Abstinence was defined as smoking zero cigarettes day, not even a puff, confirmed by an exhaled carbon monoxide CO ; level of 10 ppm. Participants abstinent at Week 7 and for the 7 days prior to Week 7 were eligible to enroll in the double-blind active placebo RP phase and were randomized to either continue bupropion SR or to begin the placebo for an additional 45 weeks of treatment. Participants were scheduled to attend clinic visits at Weeks 8, 9, 10, and then every 4 weeks through Week 52. Trained research counselors provided brief cessation and relapse prevention counseling based on a standard counseling protocol at each visit in the openlabel and double-blind RP. Following the double-blind RP, participants were followed up while off medication for an additional year and celexa and Buy bupropion. Almost immediately after the disaster, the American lawyers started coming, by the dozens. Out they stepped from the plane, blinking and squinting in the strong Bhopal light, covering their noses with handkerchiefs as they stepped gingerly through the dung-strewn lanes of the slums, glad-handing the bereaved, pointing to their papers and telling their translators to tell the victims, "MILLIONS of rupees, you understand? MILLIONS!" And so the people signed, putting their names down in Hindi, or just with their thumbprints. In the Oriya slum, 11 years later, word spreads that a visitor from America has come, and a cluster of people come to meet me. A young man, Bhimraj, and his mother, Rukmini, approach me hesitantly, holding out a carefully preserved piece of paper. "The American government gave us this, " he says. "Can you tell me what it says?" I look at the document. It is a legal contract.

NDA 20-711 S-019 NDA 20-711 S-020 Page 15 Bupropion is extensively metabolized in the liver to active metabolites, which are further metabolized and excreted by the kidneys. The risk of toxic reaction to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function see PRECAUTIONS: Renal Impairment and DOSAGE AND ADMINISTRATION ; . ADVERSE REACTIONS see also WARNINGS and PRECAUTIONS ; The information included under ADVERSE REACTIONS is based primarily on data from the dose-response trial and the comparative trial that evaluated ZYBAN for smoking cessation see CLINICAL TRIALS ; . Information on additional adverse events associated with the sustained-release formulation of bupropion in depression trials, as well as the immediate-release formulation of bupropion, is included in a separate section see Other Events Observed During the Clinical Development and Postmarketing Experience of Bupropion ; . Adverse Events Associated With the Discontinuation of Treatment: Adverse events were sufficiently troublesome to cause discontinuation of treatment in 8% of the 706 patients treated with ZYBAN and 5% of the 313 patients treated with placebo. The more common events leading to discontinuation of treatment with ZYBAN included nervous system disturbances 3.4% ; , primarily tremors, and skin disorders 2.4% ; , primarily rashes. Incidence of Commonly Observed Adverse Events: The most commonly observed adverse events consistently associated with the use of ZYBAN were dry mouth and insomnia. The most commonly observed adverse events were defined as those that consistently occurred at a rate of 5 percentage points greater than that for placebo across clinical studies. Dose Dependency of Adverse Events: The incidence of dry mouth and insomnia may be related to the dose of ZYBAN. The occurrence of these adverse events may be minimized by reducing the dose of ZYBAN. In addition, insomnia may be minimized by avoiding bedtime doses. Adverse Events Occurring at an Incidence of 1% or More Among Patients Treated With ZYBAN: Table 4 enumerates selected treatment-emergent adverse events from the dose-response trial that occurred at an incidence of 1% or more and were more common in patients treated with ZYBAN compared to those treated with placebo. Table 5 enumerates selected treatment-emergent adverse events from the comparative trial that occurred at an incidence of 1% or more and were more common in patients treated with ZYBAN, NTS, or the combination of ZYBAN and NTS compared to those treated with placebo. Reported adverse events were classified using a COSTART-based dictionary and zyprexa.

Clinical Example 3 In an RCT comparing bupropion n 63 ; with trazodone n 61 ; , the clinical response rates by criteria on the Clinical Global Improvement scale of "much improved" or "very much improved" after 6 weeks were 58% and 46%, respectively 36 ; . The odds of response for bupropion are 0.58 1 0.58 ; 0.58 0.42 1.38; the odds of response for trazodone are 0.46 1 0.46 ; 0.46 0.54 0.85. The OR for bupropion vs trazodone is 1.38 0.85 1.62, indicating that in this study the odds are 62% better for achieving clinical response with bupropion, compared with trazodone. In a metaanalysis, ORs are often presented in graphic form Figure 1 ; 37 ; . The diamond represents the mean OR and the horizontal line indicates the 95% confidence interval 95%CI, or the range in which there is a 95% probability of the "true" OR residing ; . The smaller the 95%CI, the greater the confidence in the mean result. If the line representing the 95%CI crosses 1.0, the result is not statistically significant. Use With Other Drugs Affecting Monoamine Activity Serious, sometimes fatal, central nervous system CNS ; toxicity referred to as the "serotonin syndrome" has been reported with the combination of non-selective MAOIs with certain other drugs, including tricyclic or selective serotonin reuptake inhibitor antidepressants, amphetamines, meperidine, or pentazocine. Serotonin syndrome is characterized by signs and symptoms that may include hyperthermia, rigidity, myoclonus, autonomic instability with rapid fluctuations of the vital signs, and mental status changes that include extreme agitation progressing to delirium and coma. Similar less severe syndromes have been reported in a few patients receiving a combination of oral selegiline with one of these agents. Therefore, EMSAM selegiline transdermal system ; should not be used in combination with selective serotonin reuptake inhibitors SSRIs, e.g., fluoxetine, sertraline, paroxetine dual serotonin and norepinephrine reuptake inhibitors SNRIs, e.g., venlafaxine and duloxetine tricyclic antidepressants TCAs, e.g., imipramine and amitriptyline oral selegiline or other MAOIs e.g., isocarboxazid, phenelzine, and tranylcypromine ; , mirtazapine; bupropion hydrochloride; meperidine and analgesic agents such as tramadol, methadone, and propoxyphene; the antitussive agent dextromethorphan, or St. John's wort because of the risk of life-threatening adverse reactions. Also, EMSAM should not be used with sympathomimetic amines, including amphetamines as well as cold products and weight-reducing preparations that contain vasoconstrictors e.g., pseudoephedrine, phenylephrine, phenylpropanolamine, and ephedrine ; . See CONTRAINDICATIONS. ; Concomitant use of EMSAM with buspirone hydrochloride is not advised since several cases of elevated blood pressure have been reported in patients taking MAOIs who were then given buspirone HCl. After stopping treatment with SSRIs; SNRIs; TCAs; MAOIs; meperidine and analgesics such as tramadol, methadone, and propoxyphene; dextromethorphan; St. John's wort; mirtazapine; bupropion HCl; or buspirone HCl, a time period equal to 4-5 half-lives approximately 1 week ; of the drug or any active metabolite should elapse before starting therapy with EMSAM. Because of the long half-life of fluoxetine and its active metabolite, at least five weeks should elapse between discontinuation of fluoxetine and initiation of treatment with EMSAM. At least.
IRFI 042 was supplied by Biomedica Foscama Research Centre, Ferentino, Italy. All substances were prepared fresh daily and administered in a volume of 1 ml kg.

Table 1. The influence of the investigated compounds on spontaneous locomotor activity.

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