{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Carotenoids",
    "query": {
      "condition": "Carotenoids"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 73,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Carotenoids&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T06:24:07.934Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02550483",
      "title": "Novel Metabolites of Beta-Carotene and Lycopene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Base diet + high beta-carotene tomato juice",
          "type": "OTHER"
        },
        {
          "name": "Base diet + high lycopene tomato juice",
          "type": "OTHER"
        },
        {
          "name": "Base diet + placebo beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Beltsville Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2015-09",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Beltsville, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02550483"
    },
    {
      "nct_id": "NCT03146715",
      "title": "The Effect of a Nutrient Dense Food on the Skin CarotenoidLevels of School Age Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Raman Spectroscopy",
        "Children, Only"
      ],
      "interventions": [
        {
          "name": "Feeding trial",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Utah State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "5 Years to 18 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-04-01",
      "completion_date": "2015-06-30",
      "has_results": false,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Logan, Utah",
      "locations": [
        {
          "city": "Logan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146715"
    },
    {
      "nct_id": "NCT01381276",
      "title": "Vitamin A Absorption From Cassava in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vitamin A Deficiency"
      ],
      "interventions": [
        {
          "name": "Beta-Carotene bio-fortified cassava porridge without oil",
          "type": "OTHER"
        },
        {
          "name": "Beta-Carotene bio-fortified cassava porridge with oil",
          "type": "OTHER"
        },
        {
          "name": "White cassava porridge with retinyl palmitate reference dose",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2011-06",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2011-12-12",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01381276"
    },
    {
      "nct_id": "NCT01803659",
      "title": "Effect of Small Daily Doses of B-carotene on Breast Milk Retinol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin A Status"
      ],
      "interventions": [
        {
          "name": "b-carotene",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "retinyl palmitate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 85,
      "start_date": "2013-01",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-11",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01803659"
    },
    {
      "nct_id": "NCT04841694",
      "title": "Oral Probiotics on the Shift in Gut Microbiome and Skin Carotenoid Levels",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Microbiome"
      ],
      "interventions": [
        {
          "name": "Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Integrative Skin Science and Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2021-06-01",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04841694"
    },
    {
      "nct_id": "NCT01696773",
      "title": "Carotenoid and Flavonoid Absorption From Red and Tangerine-Type Tomatoes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carotenoid and Flavonoid Absorption"
      ],
      "interventions": [
        {
          "name": "Tangerine tomato juice",
          "type": "OTHER"
        },
        {
          "name": "Red tomato juice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2012-10",
      "completion_date": "2027-12",
      "has_results": true,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696773"
    },
    {
      "nct_id": "NCT04741763",
      "title": "\"Night Vision and Carotenoids\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "EyePromise Visual Edge",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Robert Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2018-02-13",
      "completion_date": "2020-08-20",
      "has_results": false,
      "last_update_posted_date": "2021-02-05",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 2,
      "location_summary": "North Chicago, Illinois • Oak Lawn, Illinois",
      "locations": [
        {
          "city": "North Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04741763"
    },
    {
      "nct_id": "NCT07160530",
      "title": "Healthy Children, Healthy Communities: Effectiveness of a Multilevel Rural Community Engagement Model for Improving Children's Dietary Intake in Family Child Care Homes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity Pevention",
        "Diet Quality",
        "Feeding Behaviors",
        "Health Behavior Change",
        "Rural Health"
      ],
      "interventions": [
        {
          "name": "EAT Family Style",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Better Kid Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Nebraska Lincoln",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2025-09-25",
      "completion_date": "2029-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07160530"
    },
    {
      "nct_id": "NCT02023645",
      "title": "The Effects of a Carotenoid Intervention on Cognitive Function",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "active supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 120,
      "start_date": "2012-01",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02023645"
    },
    {
      "nct_id": "NCT07511699",
      "title": "Produce Prescriptions and Veggie Meter Scores for College Food Security",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Insecurity",
        "Carotenoid Status",
        "Produce Prescription"
      ],
      "interventions": [
        {
          "name": "Produce boxes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-27T06:24:07.934Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07511699"
    }
  ]
}