# Carotenoid Response to the Intake of Vegetables and Fruits

> **NCT01403844** · NA · COMPLETED · sponsor: **USDA Grand Forks Human Nutrition Research Center** · enrollment: 29 (actual)

## Conditions studied

- Resonance Raman Spectroscopy for Dietary Carotenoid Intake

## Interventions

- **OTHER:** Carotenoid Depletion
- **OTHER:** Carotenoid Repletion
- **OTHER:** Carotenoid Depletion
- **OTHER:** Natural Repletion

## Key facts

- **NCT ID:** NCT01403844
- **Lead sponsor:** USDA Grand Forks Human Nutrition Research Center
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-06
- **Primary completion:** 2012-09
- **Final completion:** 2012-09
- **Target enrollment:** 29 (ACTUAL)
- **Last updated:** 2020-05-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01403844

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01403844, "Carotenoid Response to the Intake of Vegetables and Fruits". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01403844. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*