{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sleep+Phase+Rhythm+Disturbance",
    "query": {
      "condition": "Sleep Phase Rhythm Disturbance"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T19:29:27.363Z",
  "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": "NCT03010488",
      "title": "Are Bright Lights and Regulated Sleep Effective Treatment for Depression?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Phase Rhythm Disturbance",
        "Sleep Deprivation"
      ],
      "interventions": [
        {
          "name": "Morning Light Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assigned Sleep Times",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Goggles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 44,
      "start_date": "2016-11",
      "completion_date": "2019-08",
      "has_results": true,
      "last_update_posted_date": "2021-03-23",
      "last_synced_at": "2026-07-21T19:29:27.363Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03010488"
    },
    {
      "nct_id": "NCT00506259",
      "title": "Treatment Strategies for Children With Smith-Magenis Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Developmental Delay Disorders",
        "Chromosome Deletion",
        "Mental Retardation",
        "Sleep Disorders, Circadian Rhythm",
        "Self Injurious Behavior"
      ],
      "interventions": [
        {
          "name": "dTR Melatonin (NIH CC PDS)",
          "type": "DRUG"
        },
        {
          "name": "Phototherapy (Bright Light)",
          "type": "DEVICE"
        },
        {
          "name": "Melatonin CR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "3 Years to 45 Years"
      },
      "enrollment_count": 23,
      "start_date": "2007-07-17",
      "completion_date": "2018-05-22",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-07-21T19:29:27.363Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00506259"
    },
    {
      "nct_id": "NCT06505447",
      "title": "PICU-related Sleep and Circadian Dysregulation Pilot Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Circadian Dysrhythmia",
        "Sleep Disturbance",
        "Critical Illness",
        "Children, Only"
      ],
      "interventions": [
        {
          "name": "Daytime light exposure",
          "type": "OTHER"
        },
        {
          "name": "Daytime restricted feeding",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "3 Years to 6 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-12-06",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-07-21T19:29:27.363Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06505447"
    }
  ]
}