Lorcaserin Effects on Cocaine Craving and Drug-Reinforced Behavior
氯卡色林对可卡因渴望和药物强化行为的影响
基本信息
- 批准号:8918564
- 负责人:
- 金额:$ 15.63万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-09-01 至 2019-02-28
- 项目状态:已结题
- 来源:
- 关键词:Adverse effectsAffectAgonistAmphetaminesAngerAnimalsAttenuatedBasal GangliaBehaviorBehavioralBiological AssayBiological AvailabilityBody Weight decreasedBrainBrain StemCYP2D6 geneCell NucleusCell RespirationClinical ResearchCocaineCocaine AbuseCocaine UsersComplexCuesCytochrome P450DiseaseDopamineDoseDouble-Blind MethodDrug KineticsDrug usageEconomicsEmotionalEnzymesEvaluationEventExhibitsExposure toFDA approvedFluoxetineFoodG-Protein-Coupled ReceptorsGoalsGuided imageryHealthHeart Valve DiseasesHepaticHumanHypothalamic structureIndividualInfusion proceduresInjectableInjection of therapeutic agentIntravenousIntravenous infusion proceduresLaboratoriesLaboratory AnimalsLightMeasuresMedicalMemoryMetabolismMethodsMotor ActivityNeuronsNeurotransmittersOralPalateParticipantPatientsPharmaceutical PreparationsPlacebo ControlPlacebosPlasmaPlayPropertyPsychostimulant dependenceRandomizedRattusReportingResearchRoleSafetySamplingSelf AdministrationSelf-AdministeredSerotoninSerotonin AgonistsStimulusStructureTryptophanUnited StatesVeinsactive methodbasecocaine usecravingdisorder later incidence preventiondrug abuse preventiondrug of abusedrug seeking behaviorexperiencefrontal lobehuman subjectinhibitor/antagonistmonoaminemotivated behaviornovelobesity treatmentpreclinical studypublic health relevanceraphe nucleireceptorreinforced behaviorsocialsoundsubstance abuse treatment
项目摘要
DESCRIPTION (provided by applicant): Background Serotonin (5-HT) is one of three monoamines that are widely distributed in the brain and play important roles in affect and goal-directed behaviors. Limbic structures that underlie behavior motivated by palatable food and drugs of abuse receive dense projections from brainstem serotonergic nuclei. In rats, light and sound cues associated with access to cocaine strongly stimulate drug-seeking behavior. Agonists for the type 2C serotonergic receptor (5-HT2CR) attenuate this responding. Drug taking (cocaine self-administration) is also attenuated at 5-HT2CR agonist doses similar to those that decrease food-reinforced responding and cause reductions in locomotor activity. Lorcaserin is a novel and selective agonist of the 5-HT2CR recently approved by the FDA for weight loss therapy. It acts selectively at this receptor subtype with minimal activation of 5-HT2AR or 5-HT2BR receptors. Based on initial clinical studies leading to its approval, lorcaserin is well tolerated and probably does not cause cardiac valve disease or other serious side effects. Rationale In preclinical studies, agonists for the 5-HT2CR potently attenuate cocaine-seeking behavior. Lorcaserin is a recently approved selective 5-HT2CR agonist with an acceptable safety profile in humans. No studies have reported its effects on cocaine-induced craving or drug-reinforced responding in humans. Specific Aims: 1. Determine whether lorcaserin pretreatment attenuates the positive subjective effects of cocaine and drug- reinforced behavior. 2. Evaluate whether active treatment modifies cocaine- or script- induced craving. 3. Characterize the bioavailability of lorcaserin in individual participants and determine
whether it modifies plasma levels of cocaine. Methods This is a randomized, cross-over, double-blind, placebo-controlled, research-unit, single-center, multiple-panel evaluation of the potential
for oral lorcaserin to modify craving and cocaine self-administration in a laboratory setting. A total of 24 non-treatment-seeking, regular cocaine users will receive pretreatment with single doses of oral placebo, lorcaserin 10 mg (panel 1), or lorcaserin 20 mg (panel 2). Script-guided imagery of autobiographical memories will be developed based on experiences related to cocaine use, anger, and a neutral event. Following treatment with lorcaserin, script-induced emotional states will be assayed. Sampling doses of cocaine (0.0, 0.23, and 0.46 mg/kg) will be administered, and participants will choose between self- administering additional intravenous doses or receiving monetary alternatives. Detailed measures of the negative and positive subjective effects of intravenous infusions will also be made. As noncontingent infusions of cocaine are administered, the pharmacokinetics of cocaine and lorcaserin will be determined.
背景5-羟色胺(5-HT)是广泛分布于大脑中的三种单胺之一,在情感和目标导向行为中起重要作用。由可口的食物和滥用药物激发的行为背后的边缘结构接受脑干多巴胺能神经核的密集投射。在大鼠中,与可卡因相关的光和声音线索强烈刺激了药物寻求行为。2C型肾上腺素能受体(5-HT 2CR)的激动剂减弱这种反应。药物服用(可卡因自我给药)也在5-HT 2CR激动剂剂量下减弱,类似于降低食物强化反应并导致运动活性降低的剂量。氯卡色林是一种新型的5-HT 2CR选择性激动剂,最近被FDA批准用于减肥治疗。它选择性地作用于这种受体亚型,对5-HT 2AR或5-HT 2BR受体的活化最小。基于导致其批准的初步临床研究,氯卡色林耐受性良好,可能不会引起心脏瓣膜疾病或其他严重副作用。在临床前研究中,5-HT 2CR的激动剂有效地减弱可卡因寻求行为。氯卡色林是最近批准的选择性5-HT 2CR激动剂,在人体中具有可接受的安全性。没有研究报告其对可卡因引起的渴望或药物强化的反应的影响。具体目标:1。确定氯卡色林预处理是否减弱可卡因和药物强化行为的积极主观效应。2.评估积极治疗是否改变可卡因或脚本诱导的渴望。3.描述个体受试者中氯卡色林的生物利用度,并确定
是否会改变可卡因的血浆水平方法采用随机、交叉、双盲、安慰剂对照、研究单元、单中心、多组的方法评价
口服氯卡色林以改变实验室环境中的渴望和可卡因自我给药。共有24名非寻求治疗的常规可卡因使用者将接受单次口服安慰剂、氯卡色林10 mg(队列1)或氯卡色林20 mg(队列2)的预治疗。自传体记忆的脚本引导图像将根据与可卡因使用,愤怒和中性事件相关的经验开发。氯卡色林治疗后,将测定脚本诱导的情绪状态。将给予可卡因的采样剂量(0.0、0.23和0.46 mg/kg),参与者将在自我给予额外的静脉注射剂量或接受货币替代品之间进行选择。还将对静脉输液的负面和正面主观影响进行详细测量。当给予可卡因非偶然输注时,将测定可卡因和氯卡色林的药代动力学。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Changes Depression- and Anxiety- like Behaviors following Selective Breeding for Cocaine Reinforcement.
改变可卡因强化选择性育种后的抑郁和焦虑样行为。
- DOI:10.1016/j.psychres.2020.113637
- 发表时间:2021
- 期刊:
- 影响因子:11.3
- 作者:Grasing,MichaelJ;Xu,Haiyang;Idowu,JessicaY;Grasing,Kenneth
- 通讯作者:Grasing,Kenneth
Biphasic reward effects are characteristic of both lorcaserin and drugs of abuse: implications for treatment of substance use disorders.
- DOI:10.1097/fbp.0000000000000672
- 发表时间:2022-06-01
- 期刊:
- 影响因子:1.6
- 作者:Grasing KW;Burnell K;De A
- 通讯作者:De A
Extracellular dopamine, acetylcholine, and activation of dopamine D1 and D2 receptors after selective breeding for cocaine self-administration in rats.
大鼠选择性繁殖可卡因自我给药后的细胞外多巴胺、乙酰胆碱以及多巴胺 D1 和 D2 受体的激活。
- DOI:10.1007/s00213-017-4640-7
- 发表时间:2017
- 期刊:
- 影响因子:3.4
- 作者:Xu,Haiyang;Das,Sasmita;Sturgill,Marc;Hodgkinson,Colin;Yuan,Qiaoping;Goldman,David;Grasing,Kenneth
- 通讯作者:Grasing,Kenneth
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KENNETH W. GRASING其他文献
KENNETH W. GRASING的其他文献
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{{ truncateString('KENNETH W. GRASING', 18)}}的其他基金
Translating Melatonin- and Serotonin-2C Interactions into Improved Treatments for Pain and Opioid-Use Disorders
将褪黑素和血清素 2C 的相互作用转化为疼痛和阿片类药物使用障碍的改进治疗方法
- 批准号:
10515318 - 财政年份:2019
- 资助金额:
$ 15.63万 - 项目类别:
Translating Melatonin- and Serotonin-2C Interactions into Improved Treatments for Pain and Opioid-Use Disorders
将褪黑素和血清素 2C 的相互作用转化为疼痛和阿片类药物使用障碍的改进治疗方法
- 批准号:
10045505 - 财政年份:2019
- 资助金额:
$ 15.63万 - 项目类别:
Translating Melatonin- and Serotonin-2C Interactions into Improved Treatments for Pain and Opioid-Use Disorders
将褪黑素和血清素 2C 的相互作用转化为疼痛和阿片类药物使用障碍的改进治疗方法
- 批准号:
10292939 - 财政年份:2019
- 资助金额:
$ 15.63万 - 项目类别:
Lorcaserin Effects on Cocaine Craving and Drug-Reinforced Behavior
氯卡色林对可卡因渴望和药物强化行为的影响
- 批准号:
8684554 - 财政年份:2014
- 资助金额:
$ 15.63万 - 项目类别:
Persistent Attenuation of Cocaine-Reinforced Behavior
可卡因强化行为的持续减弱
- 批准号:
8244379 - 财政年份:2012
- 资助金额:
$ 15.63万 - 项目类别:
Persistent Attenuation of Cocaine-Reinforced Behavior
可卡因强化行为的持续减弱
- 批准号:
8774152 - 财政年份:2012
- 资助金额:
$ 15.63万 - 项目类别:
Persistent Attenuation of Cocaine-Reinforced Behavior
可卡因强化行为的持续减弱
- 批准号:
8598009 - 财政年份:2012
- 资助金额:
$ 15.63万 - 项目类别:
Persistent Attenuation of Cocaine-Reinforced Behavior
可卡因强化行为的持续减弱
- 批准号:
8413391 - 财政年份:2012
- 资助金额:
$ 15.63万 - 项目类别:
Tacrine Effects on Cocaine Self-Administration and Pharmacokinetic Measures
他克林对可卡因自我给药的影响和药代动力学测量
- 批准号:
8278546 - 财政年份:2011
- 资助金额:
$ 15.63万 - 项目类别:
Tacrine Effects on Cocaine Self-Administration and Pharmacokinetic Measures
他克林对可卡因自我给药的影响和药代动力学测量
- 批准号:
8113822 - 财政年份:2011
- 资助金额:
$ 15.63万 - 项目类别:
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