Predicting Alcoholics' Treatment Responses to an SSRI

预测酗酒者对 SSRI 的治疗反应

基本信息

  • 批准号:
    7227131
  • 负责人:
  • 金额:
    $ 59.11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-05-01 至 2009-04-30
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Relapse to alcoholism remains a vexing clinical and national health problem. Efforts to match alcohol dependent patients to specific treatments based on their clinical characteristics have produced mixed results. Pharmacogenetics (the study of genetic influences on therapeutic response to drugs) offers a powerful new tool to match specific elements of an individual patient's complex genetic blueprint with targeted pharmacotherapies to which that individual may optimally respond. The purpose of this proposed research is to apply pharmacogenetic techniques to predict which alcohol dependent patients will respond favorably to a trial of a selective serotonin re-uptake inhibitor (SSRI) for the prevention of alcoholism relapse. Our central hypothesis is that genetic differences affecting serotonin transporter function will influence an alcohol dependent individual's treatment response to the SSRI, citalopram. To test this hypothesis, we will perform a 14-week, randomized, double blind, parallel group comparison of citalopram and placebo in treatment seeking outpatients who meet DSM-IV criteria for alcohol dependence. All subjects will receive a single Motivational Interview and 9 brief sessions of a manual-guided Compliance Enhancement Therapy designed to promote treatment adherence and enhance motivation to quit or cut down on drinking. Post-treatment follow-up assessments will be conducted at 4, 12 and 24 weeks. Subjects' DNA will be genotyped to determine allelic variants in the promoter region of the serotonin transporter gene that have been found to markedly affect serotonin reuptake and influence treatment responsiveness to SSRIs. We predict that individuals who carry two long variant alleles (1/1 homozygotes) of this polymorphism will exhibit a significant reduction in drinking days in response to citalopram compared with patients homozygous for the short variant allele (s/s homozygotes). To our knowledge, this will be the first study conducted in alcohol dependent patients to test whether pharmacogenetic differences in the function of the serotonin transporter (the site of action of these medications) influence the treatment response to a SSRI in nondepressed women and men. The study is designed to maximize the likelihood of finding treatment efficacy for citalopram over placebo by excluding subjects with severe alcohol dependence and marked impulsive traits in which SSRIs have not been found to be effective, controlling the exposure to the concomitant psychosocial intervention to minimize a psychotherapy ceiling effect, and by controlling the potential moderating effects of sex and cigarette smoking. The successful completion of this single center study may lead to future multicenter trials in more heterogeneous populations, and to studies using serotonin receptor subtype-specific medications.
描述(由申请人提供): 酗酒复发仍然是一个令人烦恼的临床和国家健康问题。根据酒精依赖患者的临床特征将其与特定治疗相匹配的努力产生了混合的结果。药物遗传学(研究遗传对药物治疗反应的影响)提供了一个强大的新工具,可以将个体患者复杂的遗传蓝图中的特定元素与个体可能最佳反应的靶向药物治疗相匹配。这项研究的目的是应用药物遗传学技术来预测哪些酒精依赖患者将对预防酒精中毒复发的选择性5-羟色胺再摄取抑制剂(SSRI)的试验作出有利的反应。我们的中心假设是,影响5-羟色胺转运体功能的遗传差异将影响酒精依赖个体对SSRI(西酞普兰)的治疗反应。为了验证这一假设,我们将进行一项为期14周的随机、双盲、平行组比较,比较西酞普兰和安慰剂对符合DSM-IV酒精依赖标准的寻求治疗的门诊患者的影响。所有受试者将接受一次动机访谈和9次简短的手动指导的依从性增强疗法,旨在促进治疗依从性,并增强戒烟或减少饮酒的动机。将在第4、12和24周进行治疗后随访评估。将对受试者的DNA进行基因分型,以确定5-羟色胺转运蛋白基因启动子区的等位基因变体,这些变体已被发现显著影响5-羟色胺再摄取并影响对SSRI的治疗反应。我们预测,携带该多态性的两个长变异等位基因(1/1纯合子)的个体与短变异等位基因纯合子(s/s纯合子)的患者相比,对西酞普兰的反应会显着减少饮酒天数。据我们所知,这将是第一个在酒精依赖患者中进行的研究,以测试5-羟色胺转运体(这些药物的作用部位)功能的药物遗传学差异是否影响非抑郁症女性和男性对SSRI的治疗反应。本研究旨在通过排除患有严重酒精依赖和明显冲动特征的受试者(其中SSRI尚未发现有效),控制伴随心理社会干预的暴露以最大限度地减少心理治疗上限效应,并通过控制性行为和吸烟的潜在调节效应,最大限度地提高西酞普兰相对于安慰剂的治疗疗效的可能性。这项单中心研究的成功完成可能会导致未来在更多异质性人群中进行多中心试验,以及使用5-羟色胺受体亚型特异性药物的研究。

项目成果

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ROBERT M ANTHENELLI其他文献

ROBERT M ANTHENELLI的其他文献

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{{ truncateString('ROBERT M ANTHENELLI', 18)}}的其他基金

Safety/Toxicology, ADME and CMC Activities to Support the Assessment of the mGlu2 PAM SBP-9330 in a Phase 2 Clinical Study in Smokers
支持在吸烟者 2 期临床研究中评估 mGlu2 PAM SBP-9330 的安全性/毒理学、ADME 和 CMC 活动
  • 批准号:
    10829189
  • 财政年份:
    2023
  • 资助金额:
    $ 59.11万
  • 项目类别:
Exploring Potential Sex Differences In Neurobiological Mechanisms of Alcohol Sensitivity and Tolerance
探索酒精敏感性和耐受性的神经生物学机制中潜在的性别差异
  • 批准号:
    10113498
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Clinical development of an mGlu2 positive allosteric modulator to treat nicotine addiction
治疗尼古丁成瘾的 mGlu2 正变构调节剂的临床开发
  • 批准号:
    10466858
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Exploring Potential Sex Differences In Neurobiological Mechanisms of Alcohol Sensitivity and Tolerance
探索酒精敏感性和耐受性的神经生物学机制中潜在的性别差异
  • 批准号:
    10604392
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Exploring Potential Sex Differences In Neurobiological Mechanisms of Alcohol Sensitivity and Tolerance
探索酒精敏感性和耐受性的神经生物学机制中潜在的性别差异
  • 批准号:
    9895371
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Clinical development of an mGlu2 positive allosteric modulator to treat nicotine addiction
治疗尼古丁成瘾的 mGlu2 正变构调节剂的临床开发
  • 批准号:
    10231218
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Exploring Potential Sex Differences In Neurobiological Mechanisms of Alcohol Sensitivity and Tolerance
探索酒精敏感性和耐受性的神经生物学机制中潜在的性别差异
  • 批准号:
    10559891
  • 财政年份:
    2020
  • 资助金额:
    $ 59.11万
  • 项目类别:
Wearable Biosensors for Real-time Blood Alcohol Monitoring
用于实时血液酒精监测的可穿戴生物传感器
  • 批准号:
    9334673
  • 财政年份:
    2015
  • 资助金额:
    $ 59.11万
  • 项目类别:
Wearable Biosensors for Real-time Blood Alcohol Monitoring
用于实时血液酒精监测的可穿戴生物传感器
  • 批准号:
    9049223
  • 财政年份:
    2015
  • 资助金额:
    $ 59.11万
  • 项目类别:
Wearable Biosensors for Real-time Blood Alcohol Monitoring
用于实时血液酒精监测的可穿戴生物传感器
  • 批准号:
    9332831
  • 财政年份:
    2015
  • 资助金额:
    $ 59.11万
  • 项目类别:

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