{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=dietary+carotenoids&page=2",
    "query": {
      "intervention": "dietary carotenoids",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=dietary+carotenoids&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=dietary+carotenoids&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T18:44:29.122Z",
  "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": "NCT06004479",
      "title": "Maternal Carotenoids Across Pregnancy Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Nutrition",
        "Pregnancy Related"
      ],
      "interventions": [
        {
          "name": "Carotenoid Intake",
          "type": "OTHER"
        },
        {
          "name": "Serum carotenoid concentration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2022-09-14",
      "completion_date": "2024-12-12",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06004479"
    },
    {
      "nct_id": "NCT03521349",
      "title": "Correlational and Intervention Effects of Egg Consumption on Macular Carotenoids, Cognition, and Achievement During Childhood",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet Habit",
        "Cognitive Control"
      ],
      "interventions": [
        {
          "name": "Whole Egg Intervention",
          "type": "OTHER"
        },
        {
          "name": "Egg White Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "7 Years to 12 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-03-21",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-04-15",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03521349"
    },
    {
      "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": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Beltsville, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02550483"
    },
    {
      "nct_id": "NCT00719303",
      "title": "Diet and Physical Activity Change or Usual Care in Improving Progression-Free Survival in Patients With Previously Treated Stage II, III, or IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Fallopian Tube Clear Cell Adenocarcinoma",
        "Fallopian Tube Endometrioid Adenocarcinoma",
        "Fallopian Tube Mucinous Adenocarcinoma",
        "Fallopian Tube Serous Adenocarcinoma",
        "Fallopian Tube Transitional Cell Carcinoma",
        "Malignant Ovarian Brenner Tumor",
        "Ovarian Clear Cell Adenocarcinoma",
        "Ovarian Endometrioid Adenocarcinoma",
        "Ovarian Mucinous Adenocarcinoma",
        "Ovarian Seromucinous Carcinoma",
        "Ovarian Serous Adenocarcinoma",
        "Ovarian Transitional Cell Carcinoma",
        "Primary Peritoneal Serous Adenocarcinoma",
        "Stage IIA Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIA Ovarian Cancer AJCC V6 and v7",
        "Stage IIB Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIB Ovarian Cancer AJCC v6 and v7",
        "Stage IIC Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IIC Ovarian Cancer AJCC v6 and v7",
        "Stage IIIA Fallopian Tube Cancer AJCC v7",
        "Stage IIIA Ovarian Cancer AJCC v6 and v7",
        "Stage IIIA Primary Peritoneal Cancer AJCC v7",
        "Stage IIIB Fallopian Tube Cancer AJCC v7",
        "Stage IIIB Ovarian Cancer AJCC v6 and v7",
        "Stage IIIB Primary Peritoneal Cancer AJCC v7",
        "Stage IIIC Fallopian Tube Cancer AJCC v7",
        "Stage IIIC Ovarian Cancer AJCC v6 and v7",
        "Stage IIIC Primary Peritoneal Cancer AJCC v7",
        "Stage IV Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IV Ovarian Cancer AJCC v6 and v7",
        "Stage IV Primary Peritoneal Cancer AJCC v7",
        "Undifferentiated Fallopian Tube Carcinoma",
        "Undifferentiated Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Behavioral Dietary Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Compliance Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1070,
      "start_date": "2012-06-18",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-02-19",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 687,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 452 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719303"
    },
    {
      "nct_id": "NCT03202043",
      "title": "The Juice Study: Sensitivity of Skin Carotenoid Status to Detect Change in Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight"
      ],
      "interventions": [
        {
          "name": "High dose vegetable juice",
          "type": "OTHER"
        },
        {
          "name": "Medium dose vegetable juice",
          "type": "OTHER"
        },
        {
          "name": "Low dose vegetable juice",
          "type": "OTHER"
        },
        {
          "name": "Control bottled water",
          "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": 80,
      "start_date": "2018-04-06",
      "completion_date": "2019-05-21",
      "has_results": false,
      "last_update_posted_date": "2022-05-16",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03202043"
    },
    {
      "nct_id": "NCT00042731",
      "title": "Isoflavones & Lycopene in Localized Prostate Ca:Prior to Radical Prostatectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Lycopene",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soy isoflavones",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "45 Years to 80 Years · Male only"
      },
      "enrollment_count": 79,
      "start_date": "2002-07",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2012-09-24",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Tampa, Florida • Savannah, Georgia + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042731"
    },
    {
      "nct_id": "NCT05802134",
      "title": "Increased Access to Fruits and Vegetables for Hypertension in Immigrant Hispanic/Latinx Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Fruit and vegetable supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary and chronic disease management education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "St. Catherine University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2023-03-28",
      "completion_date": "2023-09-07",
      "has_results": false,
      "last_update_posted_date": "2024-03-28",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 5,
      "location_summary": "Apple Valley, Minnesota • Fridley, Minnesota • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Apple Valley",
          "state": "Minnesota"
        },
        {
          "city": "Fridley",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05802134"
    },
    {
      "nct_id": "NCT02800408",
      "title": "Comparison of Beta-cryptoxanthin Bioavailability From Biofortified Maize in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "β-cryptoxanthin Bioavailability From Biofortified Maize in Humans"
      ],
      "interventions": [
        {
          "name": "Whole grain high-BCX maize",
          "type": "OTHER"
        },
        {
          "name": "Refined grain high-BCX maize",
          "type": "OTHER"
        },
        {
          "name": "Whole grain white maize",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "28 Years",
        "sex": "ALL",
        "summary": "20 Years to 28 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-07-21",
      "completion_date": "2017-10-23",
      "has_results": false,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02800408"
    },
    {
      "nct_id": "NCT02163928",
      "title": "Evaluation of Changes in Skin Carotenoid Scores in Medical Students Following Dietary Interventions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Food-based intervention; increased fruits and vegetables",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas Tech University Health Sciences Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 40,
      "start_date": "2014-06",
      "completion_date": "2016-12-14",
      "has_results": false,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02163928"
    },
    {
      "nct_id": "NCT00093561",
      "title": "Lycopene in Preventing Prostate Cancer in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "lycopene",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": null,
      "start_date": "2004-08",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-10-07T18:44:29.122Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00093561"
    }
  ]
}