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临床试验/NCT01405794
NCT01405794已完成1 期

In-Vivo Assessment of Silver Biomaterial Nano-Toxicity 32 Ppm

University of Utah1 个研究点 分布在 1 个国家目标入组 12 人开始时间: 2011年7月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
1 期
状态
已完成
入组人数
12
试验地点
1
主要终点
Change Sodium Blood Levels

研究概览

简要总结

The investigators propose to study oral commercial silver nanoparticle products on human enzyme activity.

研究设计

研究类型
Interventional
分配方式
Non Randomized
干预模型
Crossover
盲法
Double (Participant, Investigator)

入排标准

年龄范围
18 Years 至 80 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • 18-80 years old without debilitating chronic disease or history of cardiovascular event.

排除标准

  • Women physically capable of becoming pregnant, who are not using 2 barrier methods of birth control;
  • Any female who is nursing;
  • History of heavy metal allergy;
  • History of asthma or Chronic Obstructive Pulmonary Disease;
  • History of renal impairment;
  • Symptoms of active upper respiratory disease at time of consent;
  • Smoking more than 5 cigarettes or equivalent and not able to stop for 48 hours;
  • Ability to discontinue chronic medications or nutraceuticals for 20 days or 5 half-lives of the agent, whichever is longer.

研究组 & 干预措施

32ppm Oral Silver

Experimental

14 Days Active Silver Solution

干预措施: 32ppm Silver Particle (Drug)

Sterile Water

Placebo Comparator

No Silver Nanoparticles

干预措施: Placebo (Drug)

结局指标

主要结局

Change Sodium Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change in Chloride Blood Levels

时间窗: 14 days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Creatinine Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Alanine Aminotransferase Blood Level

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change in Total Protein Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Total Bilirubin Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Albumin Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Calcium Blood Level

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In White Blood Count Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Red Blood Count Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Hemoglobin Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Hematocrit Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Mean Corpuscular Volume Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Mean Corpuscular Hemoglobin Concentration Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Platelet Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Granulocytes Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Lymphocytes Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Monocytes Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Basophils Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Eosinophils Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Cytochrome P450 Assay on Dextromethorphan in Participants

时间窗: 14 Days

Assessment Placebo (14 Days) and 32ppm Oral Silver (14 Days). Cytochrome P450 assay is used to determine the function of how Dextromethorphan metabolized. The value represents the peak absorption of the 450 enzyme when dextromethorphan is given during the Silver or Placebo Arm.

Cytochrome P450 Assay on Losartan in Participants

时间窗: 14 Days

Assessment Placebo (14 Days) and 32ppm Oral Silver (14 Days). Cytochrome P450 assay is used to determine the function of how Dextromethorphan metabolized. The value represents the peak absorption of the 450 enzyme when dextromethorphan is given during the Silver or Placebo Arm.

Cytochrome P450 Assay on Caffeine in Participants

时间窗: 14 Days

Assessment Placebo (14 Days) and 32ppm Oral Silver (14 Days). Cytochrome P450 assay is used to determine the function of how Dextromethorphan metabolized. The value represents the peak absorption of the 450 enzyme when dextromethorphan is given during the Silver or Placebo Arm.

Cytochrome P450 Assay on Omeprazole in Participants

时间窗: 14 Days

Assessment Placebo (14 Days) and 32ppm Oral Silver (14 Days). Cytochrome P450 assay is used to determine the function of how Dextromethorphan metabolized. The value represents the peak absorption of the 450 enzyme when dextromethorphan is given during the Silver or Placebo Arm.

Cytochrome P450 Assay on Midazolam in Participants

时间窗: 14 Days

Assessment Placebo (14 Days) and 32ppm Oral Silver (14 Days). Cytochrome P450 assay is used to determine the function of how Dextromethorphan metabolized. The value represents the peak absorption of the 450 enzyme when dextromethorphan is given during the Silver or Placebo Arm.

Change Potassium Blood Levels

时间窗: 14 days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change in Carbon Dioxide Blood Levels

时间窗: 14 days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Glucose Blood Levels

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Alkaline Phosphatase Blood Level

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Aspartate Aminotransferase Blood Level

时间窗: 14 Days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

Change In Urea Nitrogen Blood Levels

时间窗: 14 days

Evaluation of Placebo Group and Silver Particle Group (dose - 32ppm)

次要结局

  • Total Change in Diastolic Blood Pressure Silver Participants(Baseline and 14 Days)
  • Cytochrome P450 Assay on Chlorozoxazone in Participants Dosed With Silver(14 Days)
  • Total Change in Systolic Blood Pressure Silver Participants(Baseline and 14 Days)
  • Total Change in Heart Rate in Silver Participants(Baseline and 14 Days)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

mark munger

Professor

University of Utah

研究点 (1)

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