Large-scale testing (Phase 3)UnknownNCT01628081What this trial is testingThe Effect of Alga Dunaliella Bardawil on PsoriasisWho this might be right forPsoriasis Sheba Medical Center 46
Testing effectiveness (Phase 2)WithdrawnNCT00003094What this trial is testingCarotenoid Rich Diet in Treating Cervical DysplasiaWho this might be right forCervical Cancer University of California, San Diego
Testing effectiveness (Phase 2)Study completedNCT00680277What this trial is testingVitamin A Value of Spirulina Carotenoids in HumansWho this might be right forIntrinsically Labeled Spirulina Tufts University 20
Not applicableEnded earlyNCT03113864What this trial is testingEffects of Lutein on Visual FunctionWho this might be right forHealthyNutrition Poor Kemin Foods LC 14
Not applicableStudy completedNCT00680355What this trial is testingBioavailability of Golden Rice Carotenoids in HumansWho this might be right forHealthy Tufts University 14
Not applicableStudy completedNCT05802134What this trial is testingIncreased Access to Fruits and Vegetables for Hypertension in Immigrant Hispanic/Latinx IndividualsWho this might be right forCardiovascular Diseases St. Catherine University 21
Not applicableUnknownNCT05064865What this trial is testingImpact of Regular Consumption of Grapes on Eye Health in Singapore Older AdultsWho this might be right forEye HealthAge-related Macular Degeneration National University of Singapore 34
Not applicableUnknownNCT05314647What this trial is testingLutein Supplementation in Healthy ChildrenWho this might be right forEye FatigueDiet, HealthyCognitive Change Northcentral University 59
Post-approval studies (Phase 4)Study completedNCT00712647What this trial is testingCarotene and Retinol Efficacy TrialWho this might be right forLung Cancer Fred Hutchinson Cancer Center 18,314
Post-approval studies (Phase 4)UnknownNCT03366584What this trial is testingThe Effect of β-Carotene, Vitamin D3 and Zinc on Hyaline Membrane Disease and Feeding Intolerance in Premature NeonatesWho this might be right forHyaline Membrane DiseaseNecrotizing Enterocolitis of Newborn Indonesia University 120
Not applicableStudy completedNCT00698256What this trial is testingEffect of High Stanol Ester Dose on Serum Lipids, Carotenoids and Fat-soluble VitaminsWho this might be right forHypercholesterolemia Marjukka Kolehmainen 50
Not applicableStudy completedNCT00342992What this trial is testingAlpha-Tocopherol, Beta-Carotene Cancer Prevention (ATBC) StudyWho this might be right forStrokeDiabetes MellitusHeart Disease+1 more National Cancer Institute (NCI) 29,133
Not applicableStudy completedNCT03433092What this trial is testingSerum Carotenoids and Risk of Gastrointestinal Tract Cancer: Meta-analysis of Ten StudiesWho this might be right forGastrointestinal Tract Cancer Yong Zhou 40,641
Not applicableStudy completedNCT01432210What this trial is testingProvitamin A Absorption and Conversion With AvocadosWho this might be right forHealthy Ohio State University 24
Testing effectiveness (Phase 2)Study completedNCT01381276What this trial is testingVitamin A Absorption From Cassava in WomenWho this might be right forVitamin A Deficiency USDA, Western Human Nutrition Research Center 10
Not applicableStudy completedNCT02867488What this trial is testingDose-response Effects of Soybean Oil in Salad Dressing on Carotenoid/Fat-soluble Vitamin Bioavailability in Salad VegetablesWho this might be right forBiological Availability Iowa State University
Not applicableStudy completedNCT05208879What this trial is testingCArotenoid in hypoChOlesterolemiaWho this might be right forPrimary Intestinal HypocholesterolemiaAbetalipoproteinemiaChylomicron Retention Disease Hospices Civils de Lyon 10
Not applicableLooking for participantsNCT07198503What this trial is testingStudy on Carotenoid-Based Instrumental IndexWho this might be right forSkin Carotenoid Status ChinaNorm 600
Not applicableActive Not RecruitingNCT06892444What this trial is testingSweet Corn and CarotenoidsWho this might be right forCarotenoids University of Florida 40
Not applicableStudy completedNCT00082420What this trial is testingRetinol Equivalence of Plant Carotenoids in ChildrenWho this might be right forVitamin A Deficiency National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) 32