| Beta carotene absorption and vitamin A status in humans | Measuring beta-carotene bioavailability, bioconversion and vitamin A status in humans. | CTRI/2020/11/029135 |
| Does a vegetable-enriched Nothing Else (AUT trademark) bread have benefits to health? | Vegetable-enriched Nothing Else (AUT trademark) bread: Effects of consumption for two weeks on plasma beta carotene and lipids | ACTRN12618002040246 |
| Antenatal beta carotene supplementation | Antenatal beta carotene supplementation and its effect on placental development and newborn kidney size and function. | CTRI/2017/09/009888 |
| The Effect of Zinc, ß-carotene, and Vitamin D3 in Preterm Delivery Through Placental MyD88, TRIF, NFkB, and IL-1ß | The Effect of Zinc, Beta-carotene, and Vitamin D3 Supplementation as Pro-inflammation Mediated Regulator in Preterm Delivery Through Placental Protein Adaptor MyD88 and TRIF, Transcription Factor NFkB, and Pro-inflammatory Cytokine IL-1ß | NCT03005496 |
| Novel Metabolites of Beta-Carotene and Lycopene | | NCT02550483 |
| Effect of 9-cis beta-carotene on retinal function of fundus albipunctatus | Effect of 9-cis beta-carotene on retinal function of fundus albipunctatus - Effect of 9-cis beta-carotene on fundus albipunctatus | JPRN-UMIN000017676 |
| Taking beta carotene orally damage to oral squamous moss speckle eliminating effect observation-a randomized controlled multicenter clinical trial | Taking beta carotene orally damage to oral squamous moss speckle eliminating effect observation-a randomized controlled multicenter clinical trial | ChiCTR-IPR-14005589 |
| Carrot juice fortified with beta carotene and diabetes | Effects of carrot juice fortified with beta carotene on inflammatory factors, lipid profile and glycemic control in type 2 diabetes patient. | IRCT138812113465N1 |
| Lycopene and Beta-carotene Metabolism in the Digestive Tract of Healthy Men | Métabolismes Des caroténoïdes Dans la lumière du Tube Digestif de l'Homme Sain | NCT03492593 |
| Beta Carotene From Natural Source for Patients With Non-Active Crohn's Disease | Double-Blind Randomized Prospective Trial of Treatment With Natural Beta Carotene Vs. Placebo for Patients With Crohn's Disease in Remission | NCT00275418 |
| Nambour Community-based Skin Cancer Prevention Trial | Community-based trial of daily versus usual sunscreen use and beta-carotene versus placebo supplements to prevent skin cancer | ACTRN12610000086066 |
| Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh | Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh | NCT00198822 |
| The CARO Study - Bioefficacy of Beta-Carotene in Oil and in a Mixed Diet in Healthy Subjects | Bioefficacy and Bioavailability of Beta-Carotene in Oil and in a Mixed Diet in Healthy Subjects Measured Using Specifically 13C-Labelled Beta-Carotene and Retinol | NCT00128752 |
| The STOVITA Study - Bioefficacy of Beta-Carotene in Oil and in a Mixed Diet in Ileostomy Patients | Bioefficacy and Bioavailability of Beta-Carotene in Oil and in a Mixed Diet in Ileostomy Patients Measuring Using Specifically 13C-Labelled Beta-Carotene and Retinol | NCT00128804 |
| Randomized Trial of Beta-Carotene and Macular Degeneration | | NCT00000152 |
| The effects of plant sterol esters on plasma bata-carotene concentration in normochesterolemic humans | The effects of plant sterol esters on plasma beta-carotene concentration in normochesterolemic humans | ChiCTR-TRC-08000254 |
| Vitamin A Equivalence of the Provitamin A in Biofortified Bananas | | NCT02702622 |
| Vitamin A Requirement Assessed by Isotope Dilution Technique and Beta-carotene Intervention Trial | Vitamin A Requirement Assessed by Isotope Dilution Technique and Beta-carotene Intervention Trial | ChiCTR-IOD-16009436 |
| Beta-carotene and Alpha-tocopherol Chemoprevention of Second Primary Malignancies in Head and Neck Cancer Patients | Beta-carotene and Alpha-tocopherol Chemoprevention of Second Primary Malignancies in Head and Neck Cancer Patients | NCT00169845 |
| Genetic polymorphisms in a beta-carotene metabolising enzyme | Do genetic polymorphisms in a beta-carotene metabolising key enzyme influence dietary vitamin A requirements? | ISRCTN45245618 |
| Effect of Naringenin and Beta Carotene on Energy Expenditure | Case Study to Evaluate the Safety and Effect on Energy Expenditure of Naringenin and Beta Carotene | NCT04697355 |
| Effect of SNPs in the BCMO1 Enzyme | Effect of SNPs in the Beta-carotene 15, 15'-Monooxygenase (BCMO1) Enzyme on Retinol Formation and Beta-carotene Plasma Responses | NCT02276014 |
| The effects of a synbiotic food of fortified with beta-carotene in the treatment of diabetes | The effects of a synbiotic food of fortified with beta-carotene on metabolic profiles, inflammatory factor and biomarkers of oxidative stress in patients with type 2 diabetes mellitus | IRCT201301195623N5 |
| The Role of Vitamin D, A, and Beta Carotene in Tuberculosis Patients With Vitamin D Receptor Gene Polymorphism | The Role of Vitamin D, A, and Beta Carotene in Tuberculosis Patients With Vitamin D Receptor Gene Polymorphism | NCT04593524 |
| Vitamin A Bioavailability in Lactating Women With Marginal Vitamin A Status | Impact of Daily Feeding of Food Sources of Cryptoxanthin (CX) and Beta-carotene (BC) on Plasma and Breast Milk Concentrations of CX, BC, and Retinol (VA) in Lactating Women With Marginal Vitamin A Status | NCT01420406 |
| The Efficacy of Pro-vitamin A Biofortified Cassava on Vitamin A Status in Nigerian Preschool Children | The Efficacy of Pro-vitamin A Biofortified Cassava on Vitamin A Status in Nigerian Preschool Children | NCT02627222 |
| Verification of changes in urinary vitamin D metabolites and beta-carotene due to vitamin D and beta-carotene supplementation in healthy subjects - Open-label study- | Verification of changes in urinary vitamin D metabolites and beta-carotene due to vitamin D and beta-carotene supplementation in healthy subjects - Open-label study- - Verification of changes in urinary vitamin D metabolites and beta-carotene due to vitamin D and beta-carotene supplementation in healthy subjects - Open-label study- | JPRN-UMIN000045653 |
| Method development to study the bioequivalence of provitamin A: a pilot study in Dutch adults aged 18-35 years. | Method development to study the bioequivalence of provitamin A: a pilot study in Dutch adults aged 18-35 years. - The CARRET pilot study | NL-OMON49957 |
| Bioavailability and Vitamin A equivalence of carotenoids from biofortified maize. Here in we will assess the relative absorption of carotenoids from biofortified maize lines compared to beta-carotene standard in adult human subjects. | Bioavailability and Vitamin A equivalence of carotenoids from biofortified maize in humans | CTRI/2022/09/045367 |
| Bio-efficacy of Pro-Vitamin A-rich banana to improve vitamin A status among children in Uganda living in an area with a high burden of inflammation. | Bio-efficacy of provitamin A-rich banana to improve vitamin A status among children in Uganda living in an area with a high burden of inflammation. | PACTR202312570462474 |