{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DVS+supplementation",
    "query": {
      "intervention": "DVS supplementation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T12:49:56.320Z",
  "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": "NCT04120077",
      "title": "Combined Effects of Diabetes Self-Management Education and Nutritional Supplementation on Visual Function and Retinopathy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "EyePromise DVS, EyePromise DVS plus EyePromise EZTears",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ZeaVision, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 150,
      "start_date": "2020-01-01",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-03T12:49:56.320Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04120077"
    },
    {
      "nct_id": "NCT04117022",
      "title": "Diabetic Retinopathy Functional Evaluation Study: Monitoring Carotenoid Vitamins Treatment Using ERG",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "DVS supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ZeaVision, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-09-01",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-03T12:49:56.320Z",
      "location_count": 2,
      "location_summary": "Pomona, California • Tahlequah, Oklahoma",
      "locations": [
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "Tahlequah",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04117022"
    }
  ]
}