Phase 1/2 Trial of Indomethacin in Chronic Pancreatitis (The PAIR Trial)
吲哚美辛治疗慢性胰腺炎的 1/2 期试验(PAIR 试验)
基本信息
- 批准号:9976524
- 负责人:
- 金额:$ 18.47万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-07-12 至 2023-03-31
- 项目状态:已结题
- 来源:
- 关键词:AcuteAnalgesicsAnimalsAnti-Inflammatory AgentsBiological AssayBlindedBloodBrief Pain InventoryChronicChronic DiseaseClinicalCyclooxygenase InhibitorsDataDiabetes MellitusDinoprostoneDiseaseDoseEndoscopyEnrollmentEnzymesExocrine pancreatic insufficiencyGoalsHealthHistologicHumanImpairmentIndomethacinInflammationInflammatoryMalnutritionMeasuresMediator of activation proteinMedicalMethodsMonitorMulti-Institutional Clinical TrialMulticenter TrialsNon-Steroidal Anti-Inflammatory AgentsOralOral AdministrationPTGS2 genePain qualityPancreasPancreatitisParticipantPatientsPersonsPharmaceutical PreparationsPharmacodynamicsPharmacologyPhase I/II TrialPhysiologicalPlacebosProductionProtocols documentationQuality of lifeQuestionnairesRandomizedRandomized Clinical TrialsReportingRouteSalivaSalivarySeveritiesSiteTherapeuticchronic painchronic pancreatitiscyclooxygenase 2daily paindesigndiariesdisabling diseaseimprovedinhibitor/antagonistminimally invasiveoverexpressionpain outcomepancreatic juicepreventrectalstellate celltherapeutic targetvolunteer
项目摘要
PROJECT SUMMARY/ABSTRACT
Chronic pancreatitis (CP) is a disabling, chronic fibro-inflammatory disease that impairs quality of life due to
chronic pain and complications of pancreatic insufficiency. There is currently no effective, disease-modifying
medical therapy for CP. The cyclooxygenase-2 enzyme (COX-2) is overexpressed in the pancreas of humans
with CP, and is a promising therapeutic target. COX-2 produces prostaglandin E2 (PGE2), a potent mediator
of pancreatic chronic inflammation and stellate cell activity. Pancreas juice (PJ) PGE2 concentrations are
elevated in patients with CP compared to normal volunteers. Animal studies suggest that chronic COX-2
inhibition lessens the histologic severity of experimentally induced CP. A single dose of rectal indomethacin
(a COX-2 inhibitor) prevents acute post-ERCP pancreatitis (PEP), implying that COX-2 inhibition can prevent
pancreatic inflammation in humans. Indomethacin (IN) is potentially suitable for use in CP, however the
pharmacodynamics of this drug in human pancreas is poorly studied. There are no data regarding the IN dose
required for steady-state inhibition of human pancreatic COX-2 activity. Pancreas juice (PJ) can be collected
during GI endoscopy and assayed for PGE2, providing a safe and minimally invasive method of assessing
pancreatic COX-2 activity. The objectives of this study are: 1) to assess the physiologic effect of orally
administered IN on pancreatic juice PGE2 concentrations, 2) to correlate drug-induced changes in pancreatic
juice PGE2 levels with changes in salivary and blood PGE2 levels, blood IN levels, and changes in patient-
reported pain outcome (PRO) and quality of life (QOL), and 3) to establish a basis for subsequent multicenter
clinical trials of chronic COX-2 inhibition in CP.
To accomplish these objectives a pilot blinded, randomized clinical trial will be performed enrolling 32 patients
with CP, who will be randomized to receive 28 days of a standard dose of oral IN (50 mg BID) (16 subjects)
vs. placebo (16 subjects). PJ PGE2 concentrations will be measured at baseline and after 28 days of study
drug administration. Pain and QOL will also be assessed at baseline and day 28 using the Brief Pain Inventory
(BPI) and PROMIS-10 questionnaires as well as daily pain and medication diaries. Blood and salivary PGE2
levels and blood IN levels will also be measured and correlated to PJ PGE2 concentrations. Results of this
trial will inform the design of subsequent studies of longer-term, daily NSAID administration to patients with
CP, and determine whether changes in salivary and/or blood PGE2 levels are adequate for monitoring the
effect of IN on pancreatic COX-2 activity. Identification of a disease-modifying medical treatment for CP will
be a major clinical advance impacting the health of persons who suffer from this disabling chronic illness.
项目总结/摘要
慢性胰腺炎(CP)是一种致残性慢性胰腺炎性疾病,由于
慢性疼痛和胰腺功能不全的并发症。目前没有有效的,
环氧合酶-β 2酶(考克斯-β 2)在人类胰腺中过表达
考克斯-β 2是前列腺素E2(PGE 2)的一种重要的调节因子
胰腺慢性炎症和星状细胞活性的影响。胰液(PJ)PGE 2浓度为
与正常志愿者相比,CP患者的COX-2水平升高。动物研究表明,慢性考克斯-COX-2
抑制减轻了实验诱导的CP的组织学严重程度。
(一种考克斯-COX 2抑制剂)预防急性ERCP术后胰腺炎(PEP),这意味着考克斯-COX 2抑制剂可以预防
吲哚美辛(IN)潜在地适用于CP,然而,
该药物在人胰腺中的药效学研究很少,没有关于IN剂量的数据
人胰腺考克斯-β 2活性的稳态抑制所需要的。
在胃肠道内窥镜检查和测定PGE 2,提供了一种安全和微创的方法,
胰腺考克斯-β 2活性。本研究的目的是:1)评估口服
IN给药对胰液PGE 2浓度的影响,2)将药物诱导的胰腺炎变化与
唾液和血液中PGE 2水平的变化,血液中IN水平的变化,
报告疼痛结局(PRO)和生活质量(QOL),3)为后续多中心研究奠定基础
慢性考克斯-COX 2抑制在CP中的临床试验。
为了实现这些目标,将进行一项初步设盲、随机临床试验,入组32例患者
CP患者,将随机接受28天标准剂量口服IN(50 mg BID)(16例受试者)
将在基线和研究28天后测量PJ PGE 2浓度
还将在基线和第28天使用简明疼痛量表评估疼痛和QOL。
(BPI)和PROMIS-10问卷以及每日疼痛和药物日记。
还将测量血浆IN水平和血液IN水平,并将其与PJ PGE 2浓度相关联。
这项试验将为后续的长期、每日NSAID给药研究的设计提供信息,
CP,并确定唾液和/或血液PGE 2水平的变化是否足以监测
IN对胰腺考克斯-β 2活性影响。确定一种改善CP疾病的药物治疗将
这是一个重大的临床进步,影响到患有这种致残性慢性疾病的人的健康。
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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Santhi Swaroop Vege其他文献
Santhi Swaroop Vege的其他文献
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{{ truncateString('Santhi Swaroop Vege', 18)}}的其他基金
The Exocrine and Endocrine Pancreas in Type 2 Diabetes, Pancreatitis and Cancer (Admin Supplement)
2 型糖尿病、胰腺炎和癌症中的外分泌和内分泌胰腺(行政补充)
- 批准号:
10887879 - 财政年份:2020
- 资助金额:
$ 18.47万 - 项目类别:
The Exocrine and Endocrine Pancreas in Type 2 Diabetes, Pancreatitis and Cancer
2 型糖尿病、胰腺炎和癌症中的外分泌和内分泌胰腺
- 批准号:
10447150 - 财政年份:2015
- 资助金额:
$ 18.47万 - 项目类别:
Oral Pentoxifylline vs. Placebo in Acute Pancreatitis: ... (short title)
口服己酮可可碱与安慰剂治疗急性胰腺炎:...(短标题)
- 批准号:
9070669 - 财政年份:2015
- 资助金额:
$ 18.47万 - 项目类别:
The Exocrine and Endocrine Pancreas in Type 2 Diabetes, Pancreatitis and Cancer
2 型糖尿病、胰腺炎和癌症中的外分泌和内分泌胰腺
- 批准号:
10657634 - 财政年份:2015
- 资助金额:
$ 18.47万 - 项目类别:
Oral Pentoxifylline vs. Placebo in Acute Pancreatitis: ... (short title)
口服己酮可可碱与安慰剂治疗急性胰腺炎:...(短标题)
- 批准号:
8821356 - 财政年份:2015
- 资助金额:
$ 18.47万 - 项目类别:
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