{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdiagnostic+sleep+and+circadian+intervention+%28TranS-C%29",
    "query": {
      "intervention": "Transdiagnostic sleep and circadian intervention (TranS-C)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdiagnostic+sleep+and+circadian+intervention+%28TranS-C%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T03:24:21.824Z",
  "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": "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": "2026-10-15",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06549049"
    },
    {
      "nct_id": "NCT03556878",
      "title": "Implementing and Sustaining a Transdiagnostic Sleep and Circadian Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorders, Circadian Rhythm",
        "Sleep Disorder",
        "Acceptability",
        "Feasibility",
        "Adaptation",
        "Implementation Research"
      ],
      "interventions": [
        {
          "name": "Fitted Transdiagnostic Sleep and Circadian intervention",
          "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": 21,
      "start_date": "2018-07-20",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-04-22",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03556878"
    },
    {
      "nct_id": "NCT05986604",
      "title": "NIA_Improving Function and Well-being by Improving Patient Memory: Transdiagnostic Sleep and Circadian Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Circadian Dysregulation",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Memory Support Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transdiagnostic Intervention for Sleep and Circadian Dysfunction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2024-01-04",
      "completion_date": "2028-07-28",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05986604"
    },
    {
      "nct_id": "NCT05956678",
      "title": "Implementing and Sustaining a Sleep Treatment to Improve Community Mental Health Part 3: Sustainment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Wake Disorders",
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Standard Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Adapted Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2023-04-01",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 10,
      "location_summary": "Concord, California • Fairfield, California • Goleta, California + 7 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Goleta",
          "state": "California"
        },
        {
          "city": "Hanford",
          "state": "California"
        },
        {
          "city": "Lucerne",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05956678"
    },
    {
      "nct_id": "NCT05668481",
      "title": "Improving Patient Memory for Treatment for Mild Cognitive Impairment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Memory Impairment",
        "Sleep Disorder"
      ],
      "interventions": [
        {
          "name": "Transdiagnostic sleep and circadian intervention (TranS-C)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 119,
      "start_date": "2023-05-19",
      "completion_date": "2025-06-26",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05668481"
    },
    {
      "nct_id": "NCT06139861",
      "title": "Better Sleep Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression in Adolescence",
        "Delayed Sleep Phase"
      ],
      "interventions": [
        {
          "name": "TranS-C",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-03-15",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06139861"
    },
    {
      "nct_id": "NCT04154631",
      "title": "Implementing and Sustaining a Sleep Treatment to Improve Community Mental Part 1: Implementation Health Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Standard Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Adapted Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care Delayed Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "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": 489,
      "start_date": "2020-01-08",
      "completion_date": "2023-12-19",
      "has_results": true,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 10,
      "location_summary": "Concord, California • Fairfield, California • Goleta, California + 7 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Goleta",
          "state": "California"
        },
        {
          "city": "Hanford",
          "state": "California"
        },
        {
          "city": "Lucerne",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04154631"
    },
    {
      "nct_id": "NCT06963463",
      "title": "Transdiagnostic Sleep and Circadian Intervention + Bright Light in Adolescents With Elevated Depression (TranS-C+BL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Sleep",
        "Depression",
        "Suicide"
      ],
      "interventions": [
        {
          "name": "TranS-C",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2025-05-06",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06963463"
    },
    {
      "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": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04506112"
    },
    {
      "nct_id": "NCT02429674",
      "title": "The Efficacy of a Depression Intervention for Adolescents With Depression and Sleep Disturbances",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "TranS-C and IPT-A",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 14,
      "start_date": "2015-02",
      "completion_date": "2021-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-10-09T03:24:21.824Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02429674"
    }
  ]
}