{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Astaxanthin",
    "query": {
      "intervention": "Astaxanthin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Astaxanthin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T08:41:41.886Z",
  "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": "NCT03209895",
      "title": "Study to Evaluate the Safety and Efficacy of a Proprietary \"Joint Health\" Dietary Supplement in Subjects With Joint and Connective Tissue Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Joint Pain"
      ],
      "interventions": [
        {
          "name": "Joint Health Product",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Glucosamine / Chondroitin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "U.S. Nutraceuticals, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 135,
      "start_date": "2010-10-08",
      "completion_date": "2011-06-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Sausalito, California",
      "locations": [
        {
          "city": "Sausalito",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03209895"
    },
    {
      "nct_id": "NCT06460181",
      "title": "Impact of Astaxanthin on Cognition in Recreationally Active Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mental Fatigue"
      ],
      "interventions": [
        {
          "name": "Astaxanthin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of North Alabama",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2024-08-01",
      "completion_date": "2024-12-14",
      "has_results": true,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Florence, Alabama",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06460181"
    },
    {
      "nct_id": "NCT05882084",
      "title": "Oral Supplementation of Astaxanthin on Skin Photoaging, Hydration and Elasticity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photoaging"
      ],
      "interventions": [
        {
          "name": "Astaxanthin 6 mg daily",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Integrative Skin Science and Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 55 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2023-07-24",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05882084"
    },
    {
      "nct_id": "NCT04784234",
      "title": "Vision Preservation and Restoration Following a 6 Month Trial of GlaucoCetin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Open Angle Glaucoma"
      ],
      "interventions": [
        {
          "name": "GlaucoCetin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-02-01",
      "completion_date": "2022-10-27",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04784234"
    },
    {
      "nct_id": "NCT04249128",
      "title": "Nourishing Hair, Skin & Nails Supplement Study (Derm Aid)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hair Loss",
        "Skin Laxity",
        "Cosmetic Acne",
        "Nails; Soft",
        "Skin Aging"
      ],
      "interventions": [
        {
          "name": "Vegetarian Collagen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Keratin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ceramides",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Astaxanthin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ProofPilot",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "26 Years to 100 Years"
      },
      "enrollment_count": 75,
      "start_date": "2020-01-15",
      "completion_date": "2021-02-09",
      "has_results": false,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04249128"
    },
    {
      "nct_id": "NCT03310359",
      "title": "Clinical Trial of Anti-oxidant Astaxanthin in Insulin-resistant Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome X"
      ],
      "interventions": [
        {
          "name": "Astaxanthin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 34,
      "start_date": "2016-07",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-23",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03310359"
    },
    {
      "nct_id": "NCT03906825",
      "title": "Effect of CEAG on Inflammation and Endothelial Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammation",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "CEAG",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-05-17",
      "completion_date": "2018-08-13",
      "has_results": false,
      "last_update_posted_date": "2020-04-09",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03906825"
    },
    {
      "nct_id": "NCT06429059",
      "title": "ROAR-DIGAP: A Widely Inclusive, Largely Virtual Pilot Trial Utilizing DIGAP (Deep Integrated Genomics Analysis Platform) To Personalize Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis ALS"
      ],
      "interventions": [
        {
          "name": "Astaxanthin",
          "type": "DRUG"
        },
        {
          "name": "Protandim",
          "type": "DRUG"
        },
        {
          "name": "Melatonin",
          "type": "DRUG"
        },
        {
          "name": "MitoQ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-06-12",
      "completion_date": "2025-06-24",
      "has_results": false,
      "last_update_posted_date": "2025-09-26",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06429059"
    },
    {
      "nct_id": "NCT06848101",
      "title": "Eye and Carotenoid Augmentation Research and Evaluation (EyeCARE)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision",
        "Eye Health"
      ],
      "interventions": [
        {
          "name": "Carotenoid Group",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control (placebo) group",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "20 Years to 45 Years"
      },
      "enrollment_count": 40,
      "start_date": "2024-03-15",
      "completion_date": "2025-03-14",
      "has_results": false,
      "last_update_posted_date": "2025-02-26",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06848101"
    },
    {
      "nct_id": "NCT02397811",
      "title": "Astaxanthin Formulation Bioavailability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bioavailability of Astaxanthin Formulations"
      ],
      "interventions": [
        {
          "name": "Enteric Coated Softgels",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liposomal astaxanthin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard Softgel",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Astaxanthin Water Soluble Emulsion",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Astaxanthin Water Dispersible Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard Softgel with Astaxanthin Gel",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Cyanotech Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2015-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-08-09",
      "last_synced_at": "2026-09-04T08:41:41.886Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02397811"
    }
  ]
}