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NCT03449849 · ClinicalTrials.gov registry record · NA

Effect of Kale Consumption on Human Xenobiotic Metabolizing Enzymes

A NA study, sponsored by USDA Beltsville Human Nutrition Research Center.

Completed
Registry status
NA
Development phase
27
Enrollment target

NCT03449849: Completed NA study, sponsored by USDA Beltsville Human Nutrition Research Center.

NCT03449849 is a NA study that has completed, run by USDA Beltsville Human Nutrition Research Center. The registered enrollment target is 27 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03449849, a NA study, has completed, sponsored by USDA Beltsville Human Nutrition Research Center.

COMPLETED
Registry status
NA
Development phase
27 participants
Enrollment target

Study Summary

The primary objective of this study is to determine how daily consumption of kale changes the activity of human xenobiotic metabolizing enzymes. Secondary objectives are to measure absorption and metabolism of kale phytonutrients, and to determine how kale consumption affects gene expression related to metabolism and lipid measures associated with cardiovascular health.

Primary Outcome

Plasma will be analyzed for caffeine metabolite ratios

Interventions

  • OTHER Base Diet
  • OTHER Kale Treatment

Trial Details

FieldValue
Enrollment Target 27 participants
Start Date 2018-04-18
Est. Completion 2018-08-01
Phase NA

What the finished NCT03449849 record still lists

NCT03449849 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 27 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).

The record links to 0 conditions, and to 2 interventions - of which Base Diet is the first listed.

NCT03449849 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03449849 about?

NCT03449849 is a clinical study titled "Effect of Kale Consumption on Human Xenobiotic Metabolizing Enzymes". The primary objective of this study is to determine how daily consumption of kale changes the activity of human xenobiotic metabolizing enzymes. Secondary objectives are to measure absorption and metabolism of kale phytonutrients, and to determine how kale consumption affects gene expression related...

What is the current status of trial NCT03449849?

This trial is currently completed. It is a NA study. The enrollment target is 27 participants. The study started on 2018-04-18. Estimated completion is 2018-08-01.

What interventions are being tested in trial NCT03449849?

The interventions under investigation include: Base Diet (OTHER), Kale Treatment (OTHER).

Who is sponsoring clinical trial NCT03449849?

This trial is sponsored by USDA Beltsville Human Nutrition Research Center, which has 29 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03449849's enrollment target sits among peer trials

27 1708th of 2000 higher than 291 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03449849, the US trial registry maintained by the National Library of Medicine. NCT03449849 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.