Sex-Dependent Impact of Transcutaneous Vagal Nerve Stimulation on the Stress Response Circuitry and Autonomic Dysregulation in Major Depression
经皮迷走神经刺激对重度抑郁症应激反应回路和自主神经失调的性别依赖性影响
基本信息
- 批准号:10089494
- 负责人:
- 金额:$ 19.71万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-02-01 至 2024-12-31
- 项目状态:已结题
- 来源:
- 关键词:AdultAdult ChildrenAgeAlgorithmsAmygdaloid structureAnatomyAnteriorAnxietyArousalAttenuatedAutonomic DysfunctionAutonomic nervous systemBaroreflexBehavioralBlood PressureBlood VesselsBrainBrain StemBrain imagingBrain regionCardiacCardiovascular PhysiologyCardiovascular systemCell NucleusClinicalClinical TrialsConchaCorticotropin-Releasing HormoneDataDevelopmentDorsalElderlyEvaluationFDA approvedFetal DevelopmentFiberFunctional Magnetic Resonance ImagingFutureGoalsHealthHippocampus (Brain)HormonalHormonesHydrocortisoneHypothalamic structureImmuneImmune responseImmunologic MarkersImplantInflammatoryInterventionLeadMajor Depressive DisorderMapsMeasurementMethodsMissionModelingMoodsMorbidity - disease rateNerveNeural PathwaysNeuronsOperating SystemOperative Surgical ProceduresOutcomePathway interactionsPatientsPeripheralPhysiologicalPhysiologyPopulationPrefrontal CortexProcessRandomizedRecurrenceRegulationResistanceRespirationRiskSamplingSampling StudiesSex DifferencesSexual DysfunctionSiteSkinStressSynapsesSystemTechniquesTherapeuticTimeTranslationsVagus nerve structureVisualWomanWorkadvanced analyticsantidepressant effectbasebiological adaptation to stressbrain circuitrycardiovascular risk factorcytokinedepressive symptomsdesigndisabilityexpirationexternal ear auricleheart rate variabilityhypothalamic-pituitary-adrenal axisimmune functioninterestlocus ceruleus structuremalemenmiddle agemood regulationneuroregulationnovelnucleus ambiguusprenatal stressraphe nucleiresponsesexsexual dimorphismside effectsteroid hormonesymptomatologytranscutaneous stimulationvagus nerve stimulation
项目摘要
PROJECT 2. SUMMARY
Major depressive disorder (MDD) is a leading cause of morbidity and disability worldwide with abnormalities
in the stress response circuitry and central autonomic network. Many of these regions are sexually dimorphic
and related with sex differences in mood and hypothalamic-pituitary-adrenal (HPA) axis modulation, the
dysregulation of which is associated with alterations of hormone and immune responses to stress, autonomic
dysfunction and increased cardiovascular risk. The overall clinical discovery mission of this SCORE proposal
is to identify the sex-dependent impact of stress-immune pathway dysregulation, beginning in fetal
development, on mood circuitry, MDD per se, immune physiology, and central and peripheral vascular
function in midlife. The primary goal of Project 2 is to use non-invasive neuromodulatory stimulation of the
vagus (i.e., autonomic nervous system) to target the circuitry associated with stress-immune function and
map its neuroanatomic and physiological effects in MDD by sex. Vagal nerve stimulation (VNS), FDA-
approved for MDD, modulates brain circuitry implicated in mood/anxiety and autonomic regulation, however,
it is implanted and thus invasive. We propose the use of a physiologically-enhanced transcutaneous VNS
(tVNS) as a low risk, non-invasive, and inexpensive alternative. While tVNS has had beneficial effects on
depressive symptomatology and autonomic regulation, current stimulation parameters are based on
historical iVNS data that included mostly male populations. We propose that tVNS effects on the regulation
of specific brainstem-cortical pathways is modulated by sex. Moreover, as the dorsal medullary vagal system
operates in tune with respiration, we recently demonstrated that tVNS can be optimized by gating stimulation
to respiration. Thus, Project 2 proposes to identify the sex-dependent impact of expiratory-gated tVNS on the
modulation of stress response circuitry alterations and physiological dysregulation of recurrent MDD. We will
evaluate a sample of 80 adults with recurrent MDD (ages 51-64, equally divided by sex) randomized to
receive active tVNS or active sham stimulation (earlobe stimulation) during a functional magnetic resonance
imaging (fMRI) session. The fMRI session will include a stress challenge designed to elicit a sympatho-
excitatory state, with simultaneous mood and physiological assessments, including hormonal and dynamic
cardiovagal heart rate variability (HRV) evaluations. We hypothesize that expiratory-gated tVNS will
effectively modulate specific brainstem-cortical pathways of the stress response circuitry and will attenuate
physiological deficits of recurrent MDD patients. We further hypothesize that tVNS will impact brain activity
and physiology in sex-dependent ways. Although Project 2 is not a clinical trial or intervention, ultimately,
translation of results may lead to a novel sex-dependent intervention with beneficial effects prior to later-life
health outcomes associated with MDD.
!
项目2.总结
重性抑郁症(MDD)是世界范围内发病和残疾的主要原因,
压力反应电路和中央自主网络中的神经元。这些区域中有许多是两性异形的
与情绪和下丘脑-垂体-肾上腺(HPA)轴调节的性别差异有关,
其失调与激素和免疫反应的改变有关,
功能障碍和心血管风险增加。SCORE提案的总体临床发现使命
是确定从胎儿开始的应激免疫途径失调的性别依赖性影响,
发育、情绪回路、MDD本身、免疫生理学以及中枢和外周血管
在中年的作用。项目2的主要目标是使用非侵入性的神经调节刺激,
迷走神经(即,自主神经系统),以靶向与应激免疫功能相关的回路,
按性别绘制其在MDD中的神经解剖学和生理学效应。迷走神经刺激(VNS),FDA-
批准用于MDD,调节涉及情绪/焦虑和自主调节的脑回路,然而,
它是植入的,因此是侵入性的。我们建议使用生理增强的经皮VNS
(tVNS)作为一种低风险,非侵入性和廉价的替代方案。虽然tVNS对
抑郁性神经病学和自主调节,当前刺激参数基于
历史iVNS数据主要包括男性人群。我们建议,tVNS的调节效果
脑干-皮层通路的特定功能是由性别调节的。此外,由于背侧延髓迷走神经系统
操作与呼吸协调,我们最近证明了tVNS可以通过门控刺激来优化
呼吸。因此,项目2建议确定呼气门控tVNS对
调节应激反应电路改变和复发性MDD的生理失调。我们将
评估80例复发性MDD成年患者(年龄51-64岁,按性别平均分配)的样本,随机分配至
在功能性磁共振期间接受主动tVNS或主动假刺激(耳垂刺激)
功能性磁共振成像(fMRI)。功能磁共振成像会议将包括一个旨在引起同情的压力挑战-
兴奋状态,同时进行情绪和生理评估,包括激素和动力
心迷走神经心率变异性(HRV)评估。我们假设呼气门控tVNS
有效地调节应激反应回路的特定脑干-皮层通路,
复发性MDD患者的生理缺陷。我们进一步假设tVNS会影响大脑活动
和生理上的差异虽然项目2不是临床试验或干预,但最终,
结果的转化可能会导致一种新的性别依赖性干预,在晚年之前产生有益影响。
与MDD相关的健康结果。
!
项目成果
期刊论文数量(0)
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{{ truncateString('VITALY NAPADOW', 18)}}的其他基金
Non-invasive assessment and modulation of brain-gut interoception in humans
人类脑肠内感受的无创评估和调节
- 批准号:
10591158 - 财政年份:2023
- 资助金额:
$ 19.71万 - 项目类别:
Sex-Dependent Impact of Transcutaneous Vagal Nerve Stimulation on the Stress Response Circuitry and Autonomic Dysregulation in Major Depression
经皮迷走神经刺激对重度抑郁症应激反应回路和自主神经失调的性别依赖性影响
- 批准号:
10349464 - 财政年份:2020
- 资助金额:
$ 19.71万 - 项目类别:
Sex-Dependent Impact of Transcutaneous Vagal Nerve Stimulation on the Stress Response Circuitry and Autonomic Dysregulation in Major Depression
经皮迷走神经刺激对重度抑郁症应激反应回路和自主神经失调的性别依赖性影响
- 批准号:
10540804 - 财政年份:2020
- 资助金额:
$ 19.71万 - 项目类别:
Boosting mind-body mechanisms for mitigating central sensitization in migraine
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- 批准号:
10000034 - 财政年份:2018
- 资助金额:
$ 19.71万 - 项目类别:
Boosting mind-body mechanisms for mitigating central sensitization in migraine
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10456004 - 财政年份:2018
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