{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Kyowa+Hakko+Bio+Co.%2C+Ltd.",
    "query": {
      "sponsor": "Kyowa Hakko Bio Co., Ltd."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T19:07:36.790Z",
  "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": "NCT03444662",
      "title": "The Combination Effect of Citicoline and Omega-3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Citicoline and Omega-3 supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Omega-3 supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kyowa Hakko Bio Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2018-06-12",
      "completion_date": "2019-09-03",
      "has_results": false,
      "last_update_posted_date": "2019-09-10",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03444662"
    },
    {
      "nct_id": "NCT02438956",
      "title": "Oral Glutathione Supplementation in Older Healthy Adults and Its Effect on the Number of Healthy Days Experienced During Four Months of Supplementation Compared to Placebo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Improvement in Immune Cell Function in Elderly Humans"
      ],
      "interventions": [
        {
          "name": "Setria glutathione supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Crystalline Cellulose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 124,
      "start_date": "2015-10",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-10-24",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02438956"
    },
    {
      "nct_id": "NCT04672447",
      "title": "Effect of 4 Weeks of Citrulline and Glutathione Supplementation on Arterial Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "L-Citrulline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Glutathione",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Tech University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 79 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2020-07-01",
      "completion_date": "2022-04-27",
      "has_results": false,
      "last_update_posted_date": "2022-10-20",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04672447"
    },
    {
      "nct_id": "NCT02705066",
      "title": "Citicoline Effects on Cortical Membrane Structure and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Citicoline supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kyowa Hakko Bio Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "40 Years to 60 Years"
      },
      "enrollment_count": 61,
      "start_date": "2016-03",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2019-05-23",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02705066"
    },
    {
      "nct_id": "NCT03369925",
      "title": "Cognitive Effects of Citicoline in Men and Women With Age-Associated Memory Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Citicoline supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kyowa Hakko Bio Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-01-02",
      "completion_date": "2018-12-03",
      "has_results": false,
      "last_update_posted_date": "2019-02-27",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03369925"
    },
    {
      "nct_id": "NCT01623947",
      "title": "Effects of Sustamine(TM) on Cycling Time Trial Performance",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo Beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "2.8 g Sustamine Beverage",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "19.6 g Sustamine Beverage",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas at Austin",
      "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": 14,
      "start_date": "2012-06",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-04-19",
      "last_synced_at": "2026-10-07T19:07:36.790Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01623947"
    }
  ]
}