{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Seikagaku+Corporation",
    "query": {
      "sponsor": "Seikagaku Corporation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Seikagaku+Corporation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T13:11:31.471Z",
  "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": "NCT02110238",
      "title": "Non-Inferiority Study Comparing 3 Weekly Injections of SUPARTZ® vs 3 Weekly Injections of Euflexxa® for Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Supartz",
          "type": "DEVICE"
        },
        {
          "name": "Euflexxa",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bioventus LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 421,
      "start_date": "2014-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2021-03-09",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02110238"
    },
    {
      "nct_id": "NCT01282606",
      "title": "Clinical Trial to Assess Safety of SI-6603 in Patients With Lumbar Disc Herniation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lumbar Vertebra Hernia"
      ],
      "interventions": [
        {
          "name": "SI-6603",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 18,
      "start_date": "2007-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 1,
      "location_summary": "Encinitas, California",
      "locations": [
        {
          "city": "Encinitas",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01282606"
    },
    {
      "nct_id": "NCT00450112",
      "title": "Gel-200 Extension and Open-Label Study in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Gel-200",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 202,
      "start_date": "2007-03",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2011-08-22",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 1,
      "location_summary": "Plantation, Florida",
      "locations": [
        {
          "city": "Plantation",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00450112"
    },
    {
      "nct_id": "NCT02421601",
      "title": "A Study of SI-6603 in Patients With Lumbar Disc Herniation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intervertebral Disc Disease",
        "Lumbar Disc Disease"
      ],
      "interventions": [
        {
          "name": "Condoliase",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 1011,
      "start_date": "2015-03",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 30,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Gold River, California + 27 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Gold River",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02421601"
    },
    {
      "nct_id": "NCT05411367",
      "title": "A Study for Evaluation of the Efficacy and Safety of SI-614 Ophthalmic Solution in Patient With Dry Eye",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dry Eye Disease"
      ],
      "interventions": [
        {
          "name": "SI-614",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2022-07-28",
      "completion_date": "2023-04-27",
      "has_results": true,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 6,
      "location_summary": "Newport Beach, California • Louisville, Kentucky • Andover, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Andover",
          "state": "Massachusetts"
        },
        {
          "city": "Henderson",
          "state": "Nevada"
        },
        {
          "city": "Shelby",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05411367"
    },
    {
      "nct_id": "NCT01558999",
      "title": "A Clinical Study Evaluating the Safety and Efficacy of SI-614 Ophthalmic Solution in Patients With Dry Eye",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dry Eye Syndromes"
      ],
      "interventions": [
        {
          "name": "High concentration SI-614",
          "type": "DRUG"
        },
        {
          "name": "Low concentration SI-614",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2012-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-05-11",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01558999"
    },
    {
      "nct_id": "NCT04208087",
      "title": "PK and Safety of SI-722 in IC/BPS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Interstitial Cystitis",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "SI-722",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 33,
      "start_date": "2020-03-30",
      "completion_date": "2021-01-12",
      "has_results": true,
      "last_update_posted_date": "2023-12-29",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Murrieta, California • The Villages, Florida + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Murrieta",
          "state": "California"
        },
        {
          "city": "The Villages",
          "state": "Florida"
        },
        {
          "city": "Garden City",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04208087"
    },
    {
      "nct_id": "NCT00449696",
      "title": "Gel-200 Versus Placebo in Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Gel-200",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 379,
      "start_date": "2006-09",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2011-10-07",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 1,
      "location_summary": "Plantation, Florida",
      "locations": [
        {
          "city": "Plantation",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00449696"
    },
    {
      "nct_id": "NCT01934218",
      "title": "Gel-One Treatment in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis Knee"
      ],
      "interventions": [
        {
          "name": "Gel-One",
          "type": "DEVICE"
        },
        {
          "name": "PBS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 814,
      "start_date": "2013-08",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Sheffield, Alabama • Phoenix, Arizona + 38 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01934218"
    },
    {
      "nct_id": "NCT03607838",
      "title": "SI-6603 (Condoliase) Study for Lumbar Disc Herniation (Discovery 6603 Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lumbar Disc Herniation"
      ],
      "interventions": [
        {
          "name": "SI-6603",
          "type": "DRUG"
        },
        {
          "name": "Sham injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seikagaku Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 352,
      "start_date": "2018-11-07",
      "completion_date": "2023-03-21",
      "has_results": true,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-10-10T13:11:31.471Z",
      "location_count": 67,
      "location_summary": "Mobile, Alabama • Fountain Valley, California • La Jolla, California + 60 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Laguna Woods",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03607838"
    }
  ]
}