{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Belun+Ring",
    "query": {
      "intervention": "Belun Ring"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T16:14:55.476Z",
  "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": "NCT06900530",
      "title": "Evaluating Sleep Quality With Emerging Technologies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Snoring",
        "Sleep Disturbances",
        "Hypoxia",
        "Obstructive Sleep Apnea (OSA)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "20 Years to 75 Years"
      },
      "enrollment_count": 52,
      "start_date": "2024-02-10",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06900530"
    },
    {
      "nct_id": "NCT06221124",
      "title": "Ring-type Pulse Oximeter for Evaluation for Sleep Assessment Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep-Disordered Breathing",
        "Sleep Architecture"
      ],
      "interventions": [
        {
          "name": "Belun Ring Pulse Oximeter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Belun Technology Company Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-15",
      "completion_date": "2023-06-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06221124"
    },
    {
      "nct_id": "NCT04885062",
      "title": "Belun Ring Platform With an Improved Algorithm for OSA Assessment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep-Disordered Breathing",
        "Sleep Architecture"
      ],
      "interventions": [
        {
          "name": "Belun Ring",
          "type": "DEVICE"
        },
        {
          "name": "PSG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Belun Technology Company Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 136,
      "start_date": "2021-02-01",
      "completion_date": "2022-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04885062"
    },
    {
      "nct_id": "NCT03997916",
      "title": "Belun Ring Validation Study for Assessment of Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Belun Ring",
          "type": "DEVICE"
        },
        {
          "name": "PSG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 113,
      "start_date": "2019-05-06",
      "completion_date": "2019-07-30",
      "has_results": true,
      "last_update_posted_date": "2023-01-19",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 2,
      "location_summary": "Beachwood, Ohio • Cleveland, Ohio",
      "locations": [
        {
          "city": "Beachwood",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03997916"
    },
    {
      "nct_id": "NCT04612114",
      "title": "Pulse Oximeter for Sleep Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Belun Ring",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-21",
      "completion_date": "2022-04-30",
      "has_results": false,
      "last_update_posted_date": "2022-06-22",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04612114"
    },
    {
      "nct_id": "NCT06255613",
      "title": "Validation of Belun Ring Gen3 Deep Learning Algorithms With Subxiphoid Body Sensor",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep-Disordered Breathing",
        "Sleep Architecture",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Belun Ring",
          "type": "DEVICE"
        },
        {
          "name": "Belun Cor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Belun Technology Company Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 79,
      "start_date": "2024-07-19",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 2,
      "location_summary": "Chardon, Ohio • Cleveland, Ohio",
      "locations": [
        {
          "city": "Chardon",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06255613"
    },
    {
      "nct_id": "NCT04121923",
      "title": "Validation of a Novel Device for Screening Patients With Symptoms of Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Apnea, Obstructive"
      ],
      "interventions": [
        {
          "name": "Belun Ring Pulse Oximeter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Belun Technology Company Limited",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 70,
      "start_date": "2018-03-01",
      "completion_date": "2019-05-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-03T16:14:55.476Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04121923"
    }
  ]
}