{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carotenoids",
    "query": {
      "intervention": "carotenoids"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 372,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carotenoids&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T13:54:20.483Z",
  "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": "NCT01560585",
      "title": "Open Label Study of Isotretinoin in Mild to Moderate Alzheimer's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 3,
      "start_date": "2012-04",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2022-06-15",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Beachwood, Ohio",
      "locations": [
        {
          "city": "Beachwood",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01560585"
    },
    {
      "nct_id": "NCT00892190",
      "title": "Study of Dasatinib and All-Trans Retinoic Acid for Relapsed/Refractory and/or Elderly Patients With Acute Myelogenous Leukemia (AML) or Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "dasatinib (SPRYCEL)",
          "type": "DRUG"
        },
        {
          "name": "all trans retinoic acid (VESANOID)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2011-04",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-02-10",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892190"
    },
    {
      "nct_id": "NCT00102635",
      "title": "4-HPR and FTI in Head and Neck Squamous Cell Carcinoma (HNSCC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Fenretinide (4-HPR)",
          "type": "DRUG"
        },
        {
          "name": "SCH66336",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1,
      "start_date": "2005-01-20",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00102635"
    },
    {
      "nct_id": "NCT04594759",
      "title": "Weekly Isotretinoin Therapy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acne Vulgaris"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2020-11-11",
      "completion_date": "2021-12-21",
      "has_results": true,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04594759"
    },
    {
      "nct_id": "NCT00006471",
      "title": "Fenretinide in Treating Patients With Recurrent or Metastatic Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Fenretinide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2000-09",
      "completion_date": "2004-07",
      "has_results": false,
      "last_update_posted_date": "2018-11-01",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006471"
    },
    {
      "nct_id": "NCT00718653",
      "title": "Effects of Antioxidants on Human Macular Pigments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eye Health"
      ],
      "interventions": [
        {
          "name": "Lutein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Lutein plus green tea extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 40,
      "start_date": "2004-09",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2009-03-03",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00718653"
    },
    {
      "nct_id": "NCT01888328",
      "title": "Bioequivalence Study of Isotretinoin Capsules 40 mg Under Fed Condition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dr. Reddy's Laboratories Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 26,
      "start_date": "2001-05",
      "completion_date": "2001-06",
      "has_results": false,
      "last_update_posted_date": "2013-06-27",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "Quadrangle Drive, Chapel Hill,, North Carolina",
      "locations": [
        {
          "city": "Quadrangle Drive, Chapel Hill,",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01888328"
    },
    {
      "nct_id": "NCT04154293",
      "title": "A Vehicle Controlled Study to Evaluate Safety and Efficacy of Topical TMB-001 for Treatment of Congenital Ichthyosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congenital Ichthyosis"
      ],
      "interventions": [
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "LEO Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2019-12-03",
      "completion_date": "2021-08-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Palo Alto, California • New Haven, Connecticut + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Plainfield",
          "state": "Indiana"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04154293"
    },
    {
      "nct_id": "NCT00392327",
      "title": "Chemotherapy and Radiation Therapy in Treating Young Patients With Newly Diagnosed, Previously Untreated, High-Risk Medulloblastoma/PNET",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anaplastic Medulloblastoma",
        "Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Isotretinoin",
          "type": "DRUG"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "3 Years to 22 Years"
      },
      "enrollment_count": 379,
      "start_date": "2007-05-23",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 170,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 126 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00392327"
    },
    {
      "nct_id": "NCT05633251",
      "title": "Using Reinforcement Schedules to Increase Fruit&Vegetable Intake, Reduce Waste, and Increase School Lunch Participation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavioral Changes",
        "Psychology, Social",
        "Nutrition"
      ],
      "interventions": [
        {
          "name": "Variable (random) interval",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Variable (non-random) interval",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Variable (random) interval with table tents",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New Mexico State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "11 Years to 16 Years"
      },
      "enrollment_count": 1626,
      "start_date": "2015-09-14",
      "completion_date": "2016-05-06",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-09-04T13:54:20.483Z",
      "location_count": 1,
      "location_summary": "El Paso, Texas",
      "locations": [
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05633251"
    }
  ]
}