{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Actiwatch",
    "query": {
      "intervention": "Actiwatch"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Actiwatch&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T17:10:31.327Z",
  "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": "NCT04953754",
      "title": "Melatonin and Vaccine Response, Immunity, and Chronobiology Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Response",
        "Sleep",
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Phillips Actiwatch Spectrum Plus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DEVICE"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 200,
      "start_date": "2022-10-25",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04953754"
    },
    {
      "nct_id": "NCT04364191",
      "title": "Multicomponent Behavioral Sleep Intervention for Insomnia in Older Adults With Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Multicomponent Behavioral Sleep Intervention for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2021-05-13",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04364191"
    },
    {
      "nct_id": "NCT05276362",
      "title": "Study Watch Sleep Metric Performance Characterization Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep",
        "Obstructive Sleep Apnea",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Study Watch",
          "type": "DEVICE"
        },
        {
          "name": "Actiwatch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Verily Life Sciences LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2022-03-04",
      "completion_date": "2023-09-20",
      "has_results": false,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Menlo Park, California",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05276362"
    },
    {
      "nct_id": "NCT03661437",
      "title": "Systemic Light Exposure in Preventing Frailty in Older Patients With Prostate Cancer on Hormonal Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Actigraph",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Systematic Light Exposure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "60 Years and older · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2018-09-24",
      "completion_date": "2025-03-24",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03661437"
    },
    {
      "nct_id": "NCT03822949",
      "title": "Bright Light Exposure in Surgical Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Ischemia",
        "Critical Illness",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Day Light",
          "type": "DEVICE"
        },
        {
          "name": "Placebo light",
          "type": "DEVICE"
        },
        {
          "name": "ICU Intense Light",
          "type": "DEVICE"
        },
        {
          "name": "ICU Placebo light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 70,
      "start_date": "2019-07-12",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03822949"
    },
    {
      "nct_id": "NCT03968900",
      "title": "Racial Differences in Circadian and Sleep Mechanisms for Nicotine Dependence, Craving, and Withdrawal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Sleep Disturbance",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Sleep restriction condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep extension condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2021-01-01",
      "completion_date": "2025-04-01",
      "has_results": true,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03968900"
    },
    {
      "nct_id": "NCT01988129",
      "title": "Fire Fighter Fatigue Management Program: Operation Healthy Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift-Work Sleep Disorder",
        "Insomnia",
        "Restless Leg Syndrome",
        "Obstructive Sleep Apnea",
        "Impaired Driving",
        "Injuries"
      ],
      "interventions": [
        {
          "name": "Sleep disorders education and screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1189,
      "start_date": "2009-03",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2017-03-16",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988129"
    },
    {
      "nct_id": "NCT03303404",
      "title": "24-hour Blood Pressure Measurements and Ischemic Conditioning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Ambulatory (24-hour) Blood Pressure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 22,
      "start_date": "2017-09-12",
      "completion_date": "2018-09-20",
      "has_results": true,
      "last_update_posted_date": "2020-12-22",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03303404"
    },
    {
      "nct_id": "NCT05908526",
      "title": "Insomnia Treatment and EMA (Ecological Momentary Assessment) Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Baseline surveys, Cognitive testing and EMAs",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Actiwatch",
          "type": "DEVICE"
        },
        {
          "name": "suvorexant (or placebo)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-10-09",
      "completion_date": "2024-08-08",
      "has_results": true,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05908526"
    },
    {
      "nct_id": "NCT02300272",
      "title": "Health Behaviors and Time-of-Day: Older Adult Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alteration of Cognitive Function",
        "Ageing"
      ],
      "interventions": [
        {
          "name": "Polysomnograph",
          "type": "DEVICE"
        },
        {
          "name": "Actiwatch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2015-03",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-09-02T17:10:31.327Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02300272"
    }
  ]
}