NCT05646368已完成不适用
A Randomized, Crossover Study to Assess Bioavailability of Select Nutrients From Two Formulations of a Multivitamin/Mineral Supplement in Healthy Adults
Midwest Center for Metabolic and Cardiovascular Research2 个研究点 分布在 1 个国家目标入组 24 人开始时间: 2022年12月23日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 24
- 试验地点
- 2
- 主要终点
- Baseline-adjusted geometric mean ratio (GMR) for area under the curve (AUC) from 0 to 2 h for plasma folate
研究概览
简要总结
The objective of this study is to assess the relative bioavailability of select nutrients from two formulations of a multivitamin/mineral supplement in healthy adults.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Other
- 盲法
- Triple (Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 45 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Subject is male or female, 18 to 45 years of age, inclusive.
- •Subject has a BMI of ≥18.50 and <30.00 kg/m
- •Subject is a non-smoker (at least 6 months) and has no plans to start smoking (or vaping) during the study period.
- •Subject is judged to be in good health based on medical history and routine laboratory tests.
- •Subject has a score of ≥7 on the Vein Access Scale.
- •Subject agrees to abstain from alcohol consumption and vigorous physical activity for at least 24 h prior to all test visits.
- •Subject understands the study procedures, and is willing to complete them, and signs forms documenting informed consent to participate in the study and authorization for release of relevant protected health information to the study Investigator.
排除标准
- •Individual has a history of difficulty swallowing capsules or large pills.
- •Individual has a serum folate concentration outside of the normal range (>3.0 ng/ml) at visit 1, day -
- •Individual has a serum zinc concentration outside of the normal range (44-115 μg/dL) on visit 1, day -
- •Individual has a serum magnesium concentration outside of the normal range (1.6 - 2.3 mg/dL) on visit 1, day -
- •Individual has a serum vitamin B12 concentration outside of the normal range (232-1245 pg/mL) on visit 1, day -
- •Individual has a hemoglobin outside of the normal range (13.0-17.7 g/dL).
- •Individual has had a blood transfusion during the 3 months prior to the screening visit (visit 1, day -7).
- •Individual has any gastrointestinal condition that would potentially interfere with absorption of the study product (e.g., inflammatory bowel disease, celiac disease, history of gastric bypass surgery, chronic gastritis).
- •Individual has a history or presence of clinically important medical diagnosis, in the opinion of the Principal Investigator.
- •Individual has an active infection or sign/symptoms of an infection. The test days (visits 2-5) will be rescheduled to allow the subject to be symptom-free of any type of systemic infection for at least five days.
- •Individual has recent use of antibiotics (within 7 days of visit 2, day 0) and throughout the study period. The test days will be rescheduled to allow the subject to wash out the antibiotic for at least 7 days.
- •Individual has unstable use (initiation or change in dose) within four weeks of visit 2 (day 0) of antihypertensive medications, thyroid hormone replacement, hormonal contraceptives, or hormone therapy.
- •Individual has consumed any dietary supplements (including all vitamin/mineral supplements) within one week of visit 2, day 0 and throughout the study period.
- •Individual has received an intramuscular injection of vitamin B12 within 6 months of visit 2, day
- •Subject is female who is pregnant, planning to be pregnant during the study period, lactating, or is of childbearing potential and is unwilling to commit to the use of a medically approved form of contraception throughout the study period.
- •Individual has consumed alcoholic beverages within 24 h of each test day visit (visits 2-5).
- •Individual has used medications known to interfere with vitamin and mineral absorption within one week of visit 2, day 0 and throughout the study period, including but not limited to, aspirin, anti-inflammatories, antacids, histamine 2 receptor antagonists, and proton-pump inhibitors.
- •Individual is taking an anticonvulsant medication.
- •Individual has extreme dietary habits, as judged by the Investigator (e.g., vegan, Atkins, very low carbohydrate/very high protein, etc.).
- •Individual has history of an eating disorder (e.g., anorexia nervosa, bulimia nervosa, binge eating) diagnosed by a health professional.
- •Individual has any major trauma or surgical event within 12 weeks of the screening visit (visit 1, day -7).
- •Individual has uncontrolled hypertension (systolic blood pressure ≥160 mm Hg and/or diastolic blood pressure ≥100 mm Hg) at screening (visit 1, day -7). One re-test will be allowed on a separate day prior to visit 2, day 0 for subjects whose blood pressure exceeds either of these cut points at visit
- •Individual has a recent history or strong potential for drug or alcohol abuse or has a positive urine drug screen.
- •Individual has a known allergy to any ingredients in the study products or provided meals/snacks.
- •Individual has a condition the Investigator believes would interfere with her ability to provide informed consent, comply with the study protocol, which might confound the interpretation of the study results or put the person at undue risk.
结局指标
主要结局
Baseline-adjusted geometric mean ratio (GMR) for area under the curve (AUC) from 0 to 2 h for plasma folate
时间窗: Baseline to 2 hours
Changes in GMR for baseline-adjusted AUC for plasma folate
次要结局
- Unadjusted and baseline-adjusted GMRs for AUC from 0 to 8 h for select nutrients in plasma(Baseline to 8 hours)
- Maximum concentrations of select nutrients in plasma(Baseline to 8 hours)
- Unadjusted and baseline-adjusted AUC from 0 to 8 h for select nutrients in plasma(Baseline to 8 hours)
- Unadjusted and baseline-adjusted AUC from 0 to 2 h for select nutrients in plasma(Baseline to 2 hours)
- Unadjusted and baseline-adjusted GMRs for AUC from 0 to 2 h for select nutrients in plasma(Baseline to 2 hours)
- Time (in hours) to reach the maximum concentration of select nutrients in plasma(Baseline to 8 hours)
- Concentration of a select nutrient in urine(Baseline to 24 hours)
研究者
研究点 (2)
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