NCT00574925已完成4 期
Randomized, Double-Blind, Placebo-Controlled Multicenter Study to Assess Management Strategies for the Use of Esomeprazole (Nexium) in Helicobacter Pylori Infected Patients With Gastroesophageal Reflux Disease (GERD)
适应症
相关药物
试验速览
- 阶段
- 4 期
- 状态
- 已完成
- 试验地点
- 1
研究概览
简要总结
The primary objective of this study is to investigate whether eradication treatment of Helicobacter pylori followed by therapy with esomeprazole for a total of 8 weeks extends the time to relapse in patients with gastroesophageal reflux disease (GERD).
A relapse is defined by two consecutive symptom scores of the Eraflux questionnaire within 14 days that are equal or above the critical value of 25.
The secondary objectives are
- To compare the time to relapse in the two H. pylori positive study groups with the H. pylori negative control group
- To compare the pattern of inflammation and atrophy in the two H. pylori positive treatment groups with the naturally H. pylori negative control group at relapse.
- All the above objectives analyzed for the efficacy subset that is the per-protocol patients broken down by effective H. pylori-eradication.
Secondary endpoints will be analyzed by the following parameters and their interactions:
- Treatment : Eradicated, Non-eradicated, Hp-negative control
- Esophagitis at study start: grades 0, A/B and C/D
- Gender
- Alcohol intake
- NSAID/ASA intake (for histological results)
- Trial with medicinal product
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Double
入排标准
- 年龄范围
- 18 Years 至 70 Years(Adult, Older Adult)
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •For inclusion in the study the subject must fulfill all of the following criteria:
- •Patients aged between 18 and 70 years.
- •Chronic symptoms (>8 weeks) suggestive for GERD, as defined in Table 2 with or without reflux esophagitis grade A-D (Los Angeles classification)
- •Indication for endoscopy due to GERD symptoms is given
- •Written informed consent
- •Table 2: Lead GERD criteria
- •For inclusion in the study, all of the following lead GERD criteria should hold:
- •At least one of the symptoms heartburn or regurgitation.
- •At least 8 weeks ongoing symptoms.
- •At least 3 times a week.
- •At least moderate intensity, corresponding to light impairment in daily life and occasional need for drugs.
排除标准
- •Any of the following is regarded as a criterion for exclusion from the study:
- •Severe organic esophageal disease other than reflux esophagitis (e.g. carcinoma, esophageal stenosis).
- •Gastric or duodenal ulcers
- •Patients with visible Barrett's mucosa; no histological confirmation is required for exclusion
- •History of previous esophageal or gastric surgery
- •Alcohol or drug abuse
- •Severe organic or psychiatric disease
- •Pregnancy or lactation
- •Women with child-bearing potential if no medically accepted contraceptive measures are used
- •Contra-indication to amoxicillin, clarithromycin or esomeprazole (Nexium)
- •Need for concomitant medication which could interfere with the investigational products (substrates of CYP3A4)
- •Suspected or confirmed poor compliance
- •Participation in a clinical study within 8 weeks prior to enrollment.
研究者
研究点 (1)
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