Phase I: Safety and Tolerance of Lactobactocillus reuteri in Adults
第一阶段:罗伊氏乳杆菌在成人中的安全性和耐受性
基本信息
- 批准号:7663878
- 负责人:
- 金额:$ 22.83万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-08-01 至 2011-07-31
- 项目状态:已结题
- 来源:
- 关键词:Abdominal colicAdultAffectBacteriaBasic ScienceCarbohydratesChildClinical ResearchClostridiumColonCommunitiesComplementary and alternative medicineComplexCryingDataDesire for foodDiarrheaExploratory/Developmental GrantFDA approvedFecesFutureGasesGoalsHealthHydrogenInfantInflammatory disease of the intestineIntestinal DiseasesIntestinesInvestigationIrritable Bowel SyndromeLaboratoriesLactobacillusLactobacillus casei rhamnosusMissionModificationNIH Program AnnouncementsNational Center for Complementary and Alternative MedicineOralPhasePilot ProjectsPlacebosProbioticsProcessProductionPublic HealthResearchResearch PersonnelSafetyScienceSleepSymptomsTechnologyTherapeutic InterventionTimeUnited States National Institutes of Healthbasedesigngastrointestinalimprovedin vivoinflammatory marker
项目摘要
DESCRIPTION (provided by applicant): The long-term goals of this laboratory are to elucidate mechanisms of intestinal disease in infants and children and to use basic science to identify rational treatments. Relevant to the mission of NIH, this proposal is designed as a pilot study that will generate and expand the base of in vivo data and direct future research on probiotic therapeutic interventions. Additionally, the investigators aim to utilize state-of-the science technologies to determine the constituents of complex gut microbiotia that are associated with and may contribute to colic, and to examine the impact of probiotics on the composition of the bowel flora.
Colic is defined as crying and fussiness for > 3 hr daily for > 3 d weekly in a child < 3 months old. Currently, there is insufficient evidence supporting any specific treatment to relieve symptoms of infants with colic, with the possible exception of hypoallergenic formula. However, there is evidence that infants with colic produce too much hydrogen gas in the intestine and that their fussiness may be improved by daily administration of certain probiotic (health-promoting) bacteria. Recently, studies in adults with irritable bowel syndrome showed significant improvement with probiotic therapy. Our hypothesis is that infants produce more hydrogen gas because of a different colonic bacterial flora and that modification of this flora with Lactobacillus rhamnosus GG will alter gas production, thereby reducing the time these infants spend crying. We choose to study Lactobacillus rhamnosus GG, one of the two probiotic strains which has received the most investigation in babies with diarrhea. L. rhamnosus GG is FDA-approved and available over-the-counter in the U.S.
Relevance to public health: Colic affects at least 8% of all infants. Our studies would not only provide evidence for whether oral L. rhamnosus GG helps reduce the number of minutes each day with colic; they would also provide evidence of a possible mechanism. Specifically, we will demonstrate if L. rhamnosus GG treatment of infants with colic who have excessive breath hydrogen levels will change the bacterial community in the colon and reduce fecal markers of inflammation. In the process, we will also demonstrate if cultivation-independent analyses of stool will reveal bacterial species associated with colic that were not previously recognized.
描述(申请人提供):该实验室的长期目标是阐明婴儿和儿童肠道疾病的机制,并使用基础科学来确定合理的治疗方法。与美国国立卫生研究院的使命相关,这项提案被设计为一项先导性研究,将产生和扩大体内数据的基础,并指导未来关于益生菌治疗干预的研究。此外,研究人员的目标是利用最新的科学技术来确定与绞痛有关并可能导致绞痛的复杂肠道微生物的成分,并检查益生菌对肠道菌群组成的影响。
绞痛的定义是:3个月大的孩子每天哭闹3小时,每周3天。目前,没有足够的证据支持任何特定的治疗方法来缓解婴儿绞痛的症状,可能的例外是低过敏配方。然而,有证据表明,患有绞痛的婴儿在肠道中会产生过多的氢气,每天服用某些益生菌(促进健康的)可以改善他们的烦躁情绪。最近,对患有肠易激综合征的成年人的研究表明,益生菌治疗显著改善。我们的假设是,婴儿产生更多的氢气是因为不同的结肠细菌菌群,用鼠李糖乳杆菌GG修饰这种菌群将改变气体产生,从而减少这些婴儿哭泣的时间。我们选择研究鼠李糖乳杆菌GG,它是两种益生菌之一,在治疗婴儿腹泻方面得到了最多的研究。L.rhamnosus GG是FDA批准的,在美国有非处方药可用。
与公共卫生相关:绞痛至少影响所有婴儿的8%。我们的研究不仅将为口服鼠李糖GG是否有助于减少每天绞痛的分钟数提供证据,还将为可能的机制提供证据。具体地说,我们将证明,对呼气氢水平过高的绞痛婴儿进行鼠李糖GG治疗是否会改变结肠中的细菌群落,减少粪便炎症标志物。在这个过程中,我们还将展示是否对粪便的培养独立分析将揭示与绞痛相关的细菌种类,这些细菌以前没有被识别出来。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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JON Marc RHOADS其他文献
JON Marc RHOADS的其他文献
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{{ truncateString('JON Marc RHOADS', 18)}}的其他基金
Road to discovery for combination probiotic BB-12 with LGG in treating autism spectrum disorder
益生菌 BB-12 与 LGG 组合治疗自闭症谱系障碍的发现之路
- 批准号:
10657357 - 财政年份:2018
- 资助金额:
$ 22.83万 - 项目类别:
Road to discovery for combination probiotic BB-12 with LGG in treating autism spectrum disorder
益生菌 BB-12 与 LGG 组合治疗自闭症谱系障碍的发现之路
- 批准号:
9766942 - 财政年份:2018
- 资助金额:
$ 22.83万 - 项目类别:
Road to discovery for combination probiotic BB-12 with LGG in treating autism spectrum disorder
益生菌 BB-12 与 LGG 组合治疗自闭症谱系障碍的发现之路
- 批准号:
10439571 - 财政年份:2018
- 资助金额:
$ 22.83万 - 项目类别:
Road to discovery for combination probiotic BB-12 with LGG in treating autism spectrum disorder
益生菌 BB-12 与 LGG 组合治疗自闭症谱系障碍的发现之路
- 批准号:
9969235 - 财政年份:2018
- 资助金额:
$ 22.83万 - 项目类别:
Safety and Effect of L. reuteri on Biomarkers of Inflammation in Healthy Infants
罗伊氏乳杆菌的安全性及其对健康婴儿炎症生物标志物的影响
- 批准号:
8650793 - 财政年份:2012
- 资助金额:
$ 22.83万 - 项目类别:
Safety and Effect of L. reuteri on Biomarkers of Inflammation in Healthy Infants
罗伊氏乳杆菌的安全性及其对健康婴儿炎症生物标志物的影响
- 批准号:
8304030 - 财政年份:2012
- 资助金额:
$ 22.83万 - 项目类别:
Effect of Lactobactocillus Rhamnosus GG on Colic Symptoms and Breath Hydrogen
鼠李糖乳杆菌 GG 对绞痛症状和呼气氢的影响
- 批准号:
7314788 - 财政年份:2008
- 资助金额:
$ 22.83万 - 项目类别:
Phase I: Safety and Tolerance of Lactobactocillus reuteri in Adults
第一阶段:罗伊氏乳杆菌在成人中的安全性和耐受性
- 批准号:
7920228 - 财政年份:2008
- 资助金额:
$ 22.83万 - 项目类别:
Phase I: Safety and Tolerance of Lactobactocillus reuteri in Adults
第一阶段:罗伊氏乳杆菌在成人中的安全性和耐受性
- 批准号:
8259339 - 财政年份:2008
- 资助金额:
$ 22.83万 - 项目类别:
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