{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Modified+Sleep+and+Circadian+Intervention",
    "query": {
      "intervention": "Modified Sleep and Circadian Intervention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Modified+Sleep+and+Circadian+Intervention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T17:50:25.209Z",
  "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": "NCT03835572",
      "title": "CircaHealth Development and Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior",
        "Health Knowledge, Attitudes, Practice",
        "Circadian Rhythm"
      ],
      "interventions": [
        {
          "name": "CircaHealth: a course on circadian rhythms and health",
          "type": "OTHER"
        },
        {
          "name": "Sleep hygiene materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 54,
      "start_date": "2019-02-23",
      "completion_date": "2019-05-08",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03835572"
    },
    {
      "nct_id": "NCT07522866",
      "title": "Thrive With Type 1 Diabetes 2026",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type1diabetes"
      ],
      "interventions": [
        {
          "name": "TranS-C Intervention Arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control Enhanced Usual Care (EUC) Arm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "31 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "31 Years to 75 Years"
      },
      "enrollment_count": 48,
      "start_date": "2026-09",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07522866"
    },
    {
      "nct_id": "NCT07513246",
      "title": "Improving Sleep Health Outcomes for Family Caregivers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Family Caregivers",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Family Caregiver Transdiagnostic Intervention for Sleep and Circadian Dysfunction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2025-06-26",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07513246"
    },
    {
      "nct_id": "NCT07420205",
      "title": "Sleep Health in U.S. Marines",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depression",
        "Suicidality",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Sleep Leadership",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Circadian, Light, and Sleep Skills in Shipboard Military (CLASS-MC) Personnel Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Insomnia Coach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 860,
      "start_date": "2026-03-31",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07420205"
    },
    {
      "nct_id": "NCT04242524",
      "title": "The Impact of Bariatric Surgery on Adipocyte Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Circadian Clock Alignment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Circadian Clock Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 28,
      "start_date": "2015-03-26",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04242524"
    },
    {
      "nct_id": "NCT03682185",
      "title": "The Healthy Patterns Sleep Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dementia",
        "Alzheimer Disease",
        "Circadian Rhythm Disorders",
        "Circadian Rhythm Sleep Disorder",
        "Insomnia",
        "Hypersomnia",
        "Cognitive Impairment",
        "Cognitive Decline",
        "Mild Cognitive Impairment",
        "Frontotemporal Dementia",
        "Neurocognitive Disorders",
        "Vascular Dementia",
        "Sleep Disorder",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Attention-Control Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Timed Activity Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 421,
      "start_date": "2016-05-01",
      "completion_date": "2021-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03682185"
    },
    {
      "nct_id": "NCT02469233",
      "title": "A Transdiagnostic Sleep and Circadian Treatment to Improve Community SMI Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "Transdiagnostic Intervention for Sleep and Circadian Dysfunction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2015-05",
      "completion_date": "2019-04-17",
      "has_results": true,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02469233"
    },
    {
      "nct_id": "NCT06549049",
      "title": "A Transdiagnostic Sleep Health Intervention for Veterans With PTSD",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorders, Post-Traumatic",
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "TranS-C for PTSD",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Psychoeducation Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 182,
      "start_date": "2026-09-01",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06549049"
    },
    {
      "nct_id": "NCT04506112",
      "title": "Optimizing Cardiac Rehabilitation by Integrating Sleep Therapeutics",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Wake Disorders",
        "Sleep Disturbance",
        "Sleep-Related Impairment"
      ],
      "interventions": [
        {
          "name": "Transdiagnostic Sleep and Circadian Intervention (TranS-C), adapted for cardiac rehabilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-27",
      "completion_date": "2023-04-16",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04506112"
    },
    {
      "nct_id": "NCT01276652",
      "title": "Sleep and Circadian Rhythms in Mechanically Ventilated Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Failure",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "Environmental modification",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2001-11",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2017-09-26",
      "last_synced_at": "2026-09-25T17:50:25.209Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01276652"
    }
  ]
}