{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carotenoids&page=2",
    "query": {
      "intervention": "carotenoids",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carotenoids&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=carotenoids&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T06:15:17.233Z",
  "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": "NCT00104923",
      "title": "Fenretinide in Treating Patients With Refractory or Relapsed Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "fenretinide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "California Cancer Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 29,
      "start_date": "2005-02",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Bethesda, Maryland • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104923"
    },
    {
      "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": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696773"
    },
    {
      "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": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01381276"
    },
    {
      "nct_id": "NCT00324740",
      "title": "Vorinostat and Isotretinoin in Treating Patients With Advanced Kidney Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Renal Cell Cancer",
        "Stage III Renal Cell Cancer",
        "Stage IV Renal Cell Cancer"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        },
        {
          "name": "isotretinoin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2006-03",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-23",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 2,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00324740"
    },
    {
      "nct_id": "NCT05177679",
      "title": "Enhancing Children's Cognitive Function and Achievement Through Carotenoid Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Change",
        "Achievement",
        "Macular Pigmentation"
      ],
      "interventions": [
        {
          "name": "Active supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "8 Years to 10 Years"
      },
      "enrollment_count": 113,
      "start_date": "2022-06-23",
      "completion_date": "2026-07-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05177679"
    },
    {
      "nct_id": "NCT01161550",
      "title": "Cladribine Based Induction Therapy With All-Trans Retinoic Acid and Midostaurin in Relapsed/Refractory AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia, Myeloid, Acute"
      ],
      "interventions": [
        {
          "name": "Granulocyte colony-stimulating factor (G-CSF)",
          "type": "DRUG"
        },
        {
          "name": "Cladribine",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "All-Trans Retinoic Acid (ATRA)",
          "type": "DRUG"
        },
        {
          "name": "Midostaurin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2010-11",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2013-07-23",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161550"
    },
    {
      "nct_id": "NCT04587791",
      "title": "Cannabidiol in Opioid Use Disorder and Chronic Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "400 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "800 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "1200 mg Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "Beta carotene oral solution without CBD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 34,
      "start_date": "2021-12-08",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04587791"
    },
    {
      "nct_id": "NCT01820624",
      "title": "Lithium Carbonate and Tretinoin in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Monoblastic Leukemia (M5a)",
        "Adult Acute Monocytic Leukemia (M5b)",
        "Adult Acute Myeloblastic Leukemia With Maturation (M2)",
        "Adult Acute Myeloblastic Leukemia Without Maturation (M1)",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Adult Acute Myelomonocytic Leukemia (M4)",
        "Adult Erythroleukemia (M6a)",
        "Adult Pure Erythroid Leukemia (M6b)",
        "Recurrent Adult Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "tretinoin",
          "type": "DRUG"
        },
        {
          "name": "lithium carbonate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Paolo Caimi, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2013-04-30",
      "completion_date": "2015-11-13",
      "has_results": false,
      "last_update_posted_date": "2017-04-27",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01820624"
    },
    {
      "nct_id": "NCT01335581",
      "title": "Study of Laser Treatment of Melasma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractory Mixed Type Melasma"
      ],
      "interventions": [
        {
          "name": "Q-Switched Nd:YAG Laser (RevLite)",
          "type": "DEVICE"
        },
        {
          "name": "Retin-A and microdermabrasion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "ConBio, a Cynosure Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2011-04",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01335581"
    },
    {
      "nct_id": "NCT00003094",
      "title": "Carotenoid Rich Diet in Treating Cervical Dysplasia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "preventative dietary intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "1997-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-09-30T06:15:17.233Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003094"
    }
  ]
}