CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 16 enrolled
Drug / intervention
Papaya +2 moreother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT01748916
NCT01748916N/ACompleted

Evaluation of the Effect of the Consumption of Papaya, Tomato, and Carrot on the Bioavailability of Carotenoids

Ohio State University·interventional·Posted Dec 13, 2012·Updated Oct 20, 2025

In Brief

A clinical study evaluating Papaya, Carrot, and 1 other intervention for Focus of Study: Carotenoid Absorption. Completed, enrolled 16 participants across 2 sites in 2 countries.

Detailed Summary

The goal of this study is to determine if papaya fruits are an exceptionally good food source for carotenoids in humans, particularly when compared more common carotenoid sources like carrots and tomatoes. This objective will be accomplished by quantitation of the immediate post-prandial plasma concentrations of parent carotenoids and vitamin A metabolites from subjects who consumed a meal containing fresh papaya, tomato, and carrot.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCosta Rica, United States

Timeline

N/ACompletedFinished
2011201220132014201520162017201820192020202120222023202420252026
First PostedDec 13, 2012
Enrollment StartJun 1, 2011
Primary CompletionNov 1, 2011
TodayJul 2, 2026
Enrollment to primary: 5 monthsPosted 13.6 years ago

Interventions

Papayaother

Post-prandial study feeding 400-506 g papaya (1.6 mg beta-carotene, 2.1 mg beta-cryptoxanthin, 13 mg lycopene), 150 g yogurt (10% fat), and 45 g of fat free bread.

Carrotother

Post-prandial study feeding 25-35 g carrot (= 1.6 mg beta-carotene), 150 g yogurt (10% fat), and 45 g of fat free bread.

Tomatoother

Post-prandial study feeding 256-396 g tomato (= 13 mg lycopene), 150 g yogurt (10% fat), and 45 g of fat free bread.