{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Carotenoid",
    "query": {
      "condition": "Carotenoid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Carotenoid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T21:39:14.179Z",
  "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": "NCT00636350",
      "title": "Bioavailability of Pepper Carotenoids in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Pepper",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 5,
      "start_date": "2007-09",
      "completion_date": "2010-06-30",
      "has_results": false,
      "last_update_posted_date": "2017-10-12",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00636350"
    },
    {
      "nct_id": "NCT00356252",
      "title": "Biological Functions of Carotenoids in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative DNA Damage"
      ],
      "interventions": [
        {
          "name": "mixed carotenoids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2002-04",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2008-07-24",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00356252"
    },
    {
      "nct_id": "NCT00198822",
      "title": "Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vitamin A Deficiency",
        "Maternal Mortality",
        "Infant Mortality"
      ],
      "interventions": [
        {
          "name": "Vitamin A or Beta-Carotene Supplements",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 49 Years · Female only"
      },
      "enrollment_count": 59666,
      "start_date": "2001-08",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00198822"
    },
    {
      "nct_id": "NCT07660315",
      "title": "Goji Berry and Vasomotor Symptoms Pilot Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vasomotor Symptoms"
      ],
      "interventions": [
        {
          "name": "Goji Berry Juice Powder",
          "type": "OTHER"
        },
        {
          "name": "Goji Berry Powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 6,
      "start_date": "2026-10-25",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07660315"
    },
    {
      "nct_id": "NCT02069522",
      "title": "Healthy Term Infants Fed Milk-Based Formulas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infants"
      ],
      "interventions": [
        {
          "name": "Standard Milk-based Formula Containing Carotenoid",
          "type": "OTHER"
        },
        {
          "name": "Investigational Milk-based Formula Containing Carotenoid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abbott Nutrition",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Days",
        "maximum_age": "28 Days",
        "sex": "ALL",
        "summary": "14 Days to 28 Days"
      },
      "enrollment_count": 91,
      "start_date": "2014-02",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 6,
      "location_summary": "Tuscon, Arizona • Indianapolis, Indiana • Lincoln, Nebraska + 3 more",
      "locations": [
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069522"
    },
    {
      "nct_id": "NCT01692340",
      "title": "Novel 13C Carotenoids for Absorption and Metabolism Studies in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Isotopically labeled lycopene, phytoene or phytofluene",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2012-02",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2019-03-26",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01692340"
    },
    {
      "nct_id": "NCT01403844",
      "title": "Carotenoid Response to the Intake of Vegetables and Fruits",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Resonance Raman Spectroscopy for Dietary Carotenoid Intake"
      ],
      "interventions": [
        {
          "name": "Carotenoid Depletion",
          "type": "OTHER"
        },
        {
          "name": "Carotenoid Repletion",
          "type": "OTHER"
        },
        {
          "name": "Natural Repletion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 29,
      "start_date": "2011-06",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2020-05-20",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01403844"
    },
    {
      "nct_id": "NCT07221643",
      "title": "Carotenoids in the Skin and Immune Aging",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "No Condition",
        "Skin Carotenoids and Immune-aging"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-10-09",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07221643"
    },
    {
      "nct_id": "NCT05319548",
      "title": "Plant Pigments for Human Health: Impact of Lycopene and Anthocyanins on Bioefficacy of Provitamin A Carotenoids From Carrots",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Purple-Red Carrot Juice",
          "type": "OTHER"
        },
        {
          "name": "Red Carrot Juice",
          "type": "OTHER"
        },
        {
          "name": "Purple Carrot Juice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2022-10-31",
      "completion_date": "2023-05-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05319548"
    },
    {
      "nct_id": "NCT03866005",
      "title": "Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Center-involved Diabetic Macular Edema (CI-DME)"
      ],
      "interventions": [
        {
          "name": "Diabetes Visual Function Study (DiVFuSS) softgels",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "canola oil placebo softgels, 2 per day",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "ZeaVision, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-11-01",
      "completion_date": "2021-11-01",
      "has_results": false,
      "last_update_posted_date": "2020-07-02",
      "last_synced_at": "2026-09-02T21:39:14.179Z",
      "location_count": 2,
      "location_summary": "Olympia, Washington • Tacoma, Washington",
      "locations": [
        {
          "city": "Olympia",
          "state": "Washington"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03866005"
    }
  ]
}