{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Active+RAVANS",
    "query": {
      "intervention": "Active RAVANS"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T10:41:47.189Z",
  "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": "NCT04908358",
      "title": "The Wandering Nerve: Gateway to Boost Alzheimer's Disease Related Cognitive Performance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Active transcutaneous vagus nerve stimulation respiratory-gated non-painful electrical stimulation of the auricle for 10 minute sessions",
          "type": "OTHER"
        },
        {
          "name": "Sham transcutaneous vagus nerve stimulation respiratory-gated non-painful electrical stimulation of the auricle for 10 minute sessions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 126,
      "start_date": "2021-11-24",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-03T10:41:47.189Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04908358"
    },
    {
      "nct_id": "NCT05662059",
      "title": "Respiratory-gated Auricular Vagal Afferent Nerve Stimulation (RAVANS) Study in Ulcerative Colitis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "RAVANS",
          "type": "DEVICE"
        },
        {
          "name": "RAVANS-sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cala Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "10 Years to 39 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-01-12",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2023-03-17",
      "last_synced_at": "2026-09-03T10:41:47.189Z",
      "location_count": 1,
      "location_summary": "Lake Success, New York",
      "locations": [
        {
          "city": "Lake Success",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05662059"
    },
    {
      "nct_id": "NCT03292159",
      "title": "Transcutaneous Vagus Nerve Stimulation for Motor Recovery After Stroke",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Stroke",
        "Upper Extremity Paresis"
      ],
      "interventions": [
        {
          "name": "Active RAVANS concurrent with arm motor training",
          "type": "DEVICE"
        },
        {
          "name": "Inactive RAVANS concurrent with arm motor training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2018-05-17",
      "completion_date": "2018-11-20",
      "has_results": false,
      "last_update_posted_date": "2021-09-21",
      "last_synced_at": "2026-09-03T10:41:47.189Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03292159"
    },
    {
      "nct_id": "NCT07516873",
      "title": "Exploring the Effects of Brief Mindfulness Training With Vagal Nerve Stimulation on Alcohol Cue Reactivity Among Young Adult Heavy Drinkers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heavy Drinking"
      ],
      "interventions": [
        {
          "name": "Active RAVANS",
          "type": "DEVICE"
        },
        {
          "name": "Brief Mindfulness-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Cambridge Health Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "21 Years to 29 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-03-06",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-03T10:41:47.189Z",
      "location_count": 1,
      "location_summary": "Malden, Massachusetts",
      "locations": [
        {
          "city": "Malden",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07516873"
    },
    {
      "nct_id": "NCT04607226",
      "title": "Effects of Respiratory-Gated Transcutaneous Vagal Nerve Stimulation in Major Depression (Phase 1)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Active transcutaneous vagus nerve stimulation",
          "type": "OTHER"
        },
        {
          "name": "Sham transcutaneous vagus nerve stimulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "24 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "24 Years to 45 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2020-11-02",
      "completion_date": "2022-10-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-09-03T10:41:47.189Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04607226"
    }
  ]
}