Study of VX-809 in Cystic Fibrosis Subjects With the ∆F508-CFTR Gene Mutation
2015年8月1日 更新者：Vertex Pharmaceuticals Incorporated
A Randomized, Double-Blind, Placebo-Controlled, Multiple Dose Study of VX-809 to Evaluate Safety, Pharmacokinetics, and Pharmacodynamics of VX-809 in Cystic Fibrosis Subjects Homozygous for the ∆F508-CFTR Gene Mutation
The primary objective of the study was to evaluate the safety and tolerability of VX-809 in participants with cystic fibrosis (CF) who are homozygous for the F508del mutation on the CF transmembrane conductance regulator (CFTR) gene.
研究概览
详细说明
This was a Phase 2, randomized, double-blind, placebo-controlled, multiple-dose study of orally-administered VX-809 in participants with CF who are homozygous for the specific CFTR mutation known as ∆F508 or F508del.
Enrollment was planned for 90 participants at approximately 20 centers.
Participants were planned to be randomized in a 4:1 ratio to receive 1 of 4 doses of VX-809 or placebo once a day for 28 days in a parallel design.
Participants were outpatients during the study, except for overnight stays on Day 1 and 28.
研究类型
介入性
注册 (实际的)
93
阶段
- 阶段2
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习地点
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Ontario
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Toronto、Ontario、加拿大
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Cologne、德国
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Hannover、德国
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Brussels、比利时
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Leuven、比利时
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Alabama
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Birmingham、Alabama、美国
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California
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Palo Alto、California、美国
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San Diego、California、美国
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Colorado
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Aurora、Colorado、美国
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Georgia
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Atlanta、Georgia、美国
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Illinois
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Chicago、Illinois、美国
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Iowa
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Iowa City、Iowa、美国
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Maryland
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Baltimore、Maryland、美国
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Massachusetts
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Boston、Massachusetts、美国
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Minnesota
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Minneapolis、Minnesota、美国
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Missouri
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St. Louis、Missouri、美国
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North Carolina
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Chapel Hill、North Carolina、美国
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Ohio
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Cincinnati、Ohio、美国
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Cleveland、Ohio、美国
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Columbus、Ohio、美国
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Pennsylvania
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Philadelphia、Pennsylvania、美国
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Pittsburgh、Pennsylvania、美国
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Washington
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Seattle、Washington、美国
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Rotterdam、荷兰
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Utrecht、荷兰
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参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 及以上 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- Confirmed diagnosis of CF with ∆F508-CFTR mutation in both alleles
- Forced expiratory volume in 1 second (FEV1) greater than or equal to (>=) 40 percent (%) of predicted normal for age, gender, and height
- Weight >=40 kilograms (kg) and body mass index greater than or equal to 18.5 kilogram per square meter (kg/m^2)
- Screening laboratory values, tests, and physical examination within acceptable ranges
- Negative pregnancy test (for women of child-bearing potential)
- Able and willing to follow contraceptive requirements
- Willing to remain on a stable medication regimen for the duration of study participation
Exclusion Criteria:
- History of any illness, or any ongoing acute illness, that could impact the safety of the study participant or may confound results of study
- Pulmonary exacerbation or changes in therapy for pulmonary disease within 14 days before receiving the first dose of study drug
- Impaired hepatic or renal function
- History of organ or hematological transplant
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：三倍
武器和干预
参与者组/臂 |
干预/治疗 |
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安慰剂比较：Placebo
Placebo matched to VX-809 capsule orally once daily for 28 days.
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Placebo matched to VX-809 capsules.
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实验性的：VX-809, 25 mg
VX-809, 25 milligram (mg) capsule orally once daily for 28 days.
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Capsules
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实验性的：VX-809, 50 mg
VX-809, 50 mg capsule orally once daily for 28 days.
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Capsules
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实验性的：VX-809, 100 mg
VX-809, 100 mg capsule orally once daily for 28 days.
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Capsules
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实验性的：VX-809, 200 mg
VX-809, 200 mg capsule orally once daily for 28 days.
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Capsules
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研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
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Safety and Tolerability Based on Adverse Events (AEs)
大体时间：Up to 14 days after last dose (last dose = Day 28)
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AE: any untoward medical occurrence in a participant during the study; the event does not necessarily have a causal relationship with the treatment.
This includes any newly occurring event or previous condition that has increased in severity or frequency after the informed consent form is signed.
AE includes serious as well as Non-serious AEs.
Serious adverse event (SAE) (subset of AE): medical event or condition, which falls into any of the following categories, regardless of its relationship to the study drug: death, life threatening adverse experience, in-patient hospitalization/prolongation of hospitalization, persistent/significant disability or incapacity, congenital anomaly/birth defect, important medical event.
Number of participants with AEs and SAEs are reported.
An AE that started at or after initial dosing of study drug, or increased in severity after initial dosing of study drug visit is considered treatment-emergent.
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Up to 14 days after last dose (last dose = Day 28)
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Day 28
大体时间：Baseline, Day 28
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FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.
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Baseline, Day 28
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Change From Baseline in Percent Predicted FEV1 at Day 28
大体时间：Baseline, Day 28
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FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.
Predicted FEV1 (for age, gender, and height) was calculated using the Knudson method.
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Baseline, Day 28
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Change From Baseline in Forced Vital Capacity (FVC) at Day 28
大体时间：Baseline, Day 28
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FVC is the volume of air that can be forcibly exhaled from the lungs after taking the deepest breath possible.
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Baseline, Day 28
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Change From Baseline in Forced Expiratory Flow Over the Middle Half of the FVC (FEF25-75) at Day 28
大体时间：Baseline, Day 28
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FEF25-75 is total volume of air exhaled from the lungs over the middle half of the FVC test, expressed as liters per second (L/sec).
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Baseline, Day 28
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Change From Baseline in Sweat Chloride at Day 28
大体时间：Baseline, Day 28
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Sweat samples were collected using an approved Macroduct (Wescor) collection device.
A volume of greater than or equal to (>=) 15 microliter was required for determination of sweat chloride.
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Baseline, Day 28
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Change From Baseline in Nasal Potential Difference (NPD) of Zero Chloride Plus Isoproterenol Response at Day 28
大体时间：Baseline, Day 28
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Nasal potential difference (NPD) provides a direct and sensitive evaluation of sodium and chloride transport in secretory epithelial cells via assessment of transepithelial bioelectric properties. NPD under conditions of zero chloride concentration perfusion solution in the presence of isoproterenol is reported. NPDs were performed according to Cystic Fibrosis Foundation Therapeutics Development Network (CFFT TDN) Standard Operating Procedure (SOP) 528.00 "Standardization of Measurement of Nasal Membrane Transepithelial Potential Difference (NPD) - electronic data capture (EDC) and Perfusion or Perfusion-Free Probe". |
Baseline, Day 28
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Change From Baseline in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Domain Scores at Day 28
大体时间：Baseline, Day 28
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The CFQ-R is a validated participant-reported outcome measuring health-related quality of life for participants with cystic fibrosis.
CFQ-R domains include: Body, Digestion, Eat, Emotion, Health Perceptions, Physical, Respiratory, Role, Social, Treatment Burden, Vitality, and Weight.
Individual domain score range: 0-100; higher scores indicating fewer symptoms and better health-related quality of life.
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Baseline, Day 28
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Maximum Plasma Concentration (Cmax) of VX-809
大体时间：Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, 24, and 30-60 hours post dose)
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Only participants who received VX-809 were analyzed for this outcome measure.
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Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, 24, and 30-60 hours post dose)
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Area Under the Concentration Versus Time Curve From Time 0 to 24 Hours (AUC0-24) of VX-809
大体时间：Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post dose)
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Only participants who received VX-809 were analyzed for this outcome measure.
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Day 1 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post-dose), Day 28 (pre dose, 0.75, 1.5, 3, 4, 6, 9, 12, and 24 hours post dose)
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合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
一般刊物
- Southern KW, Murphy J, Sinha IP, Nevitt SJ. Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene variants (most commonly F508del). Cochrane Database Syst Rev. 2020 Dec 17;12:CD010966. doi: 10.1002/14651858.CD010966.pub3.
- Clancy JP, Rowe SM, Accurso FJ, Aitken ML, Amin RS, Ashlock MA, Ballmann M, Boyle MP, Bronsveld I, Campbell PW, De Boeck K, Donaldson SH, Dorkin HL, Dunitz JM, Durie PR, Jain M, Leonard A, McCoy KS, Moss RB, Pilewski JM, Rosenbluth DB, Rubenstein RC, Schechter MS, Botfield M, Ordonez CL, Spencer-Green GT, Vernillet L, Wisseh S, Yen K, Konstan MW. Results of a phase IIa study of VX-809, an investigational CFTR corrector compound, in subjects with cystic fibrosis homozygous for the F508del-CFTR mutation. Thorax. 2012 Jan;67(1):12-8. doi: 10.1136/thoraxjnl-2011-200393. Epub 2011 Aug 8.
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始
2009年3月1日
初级完成 (实际的)
2009年12月1日
研究完成 (实际的)
2009年12月1日
研究注册日期
首次提交
2009年3月18日
首先提交符合 QC 标准的
2009年3月18日
首次发布 (估计)
2009年3月19日
研究记录更新
最后更新发布 (估计)
2015年8月28日
上次提交的符合 QC 标准的更新
2015年8月1日
最后验证
2015年6月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.