{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhythm%3B+Sleep",
    "query": {
      "condition": "Rhythm; Sleep"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 179,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhythm%3B+Sleep&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T12:27:22.904Z",
  "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": "NCT00688142",
      "title": "Sleepiness and Brain Function: The Effect of Armodafinil in Shift Work Sleep Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shift Work Sleep Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2008-02",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2010-03-31",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688142"
    },
    {
      "nct_id": "NCT06192745",
      "title": "SCREENS: Sleep, Circadian Rhythms, and Electronics in the EveNing Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Circadian Rhythm",
        "Executive Function",
        "Emotion Regulation"
      ],
      "interventions": [
        {
          "name": "no screen control with dim light and calming activities",
          "type": "BEHAVIORAL"
        },
        {
          "name": "unfiltered Bright tablet screen",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Filtered dim tablet screen",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exciting content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Calming Content",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "8 Years to 11 Years"
      },
      "enrollment_count": 220,
      "start_date": "2025-01-10",
      "completion_date": "2028-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06192745"
    },
    {
      "nct_id": "NCT04652882",
      "title": "Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sleep Wake Disorders",
        "Sleep Disorders, Circadian Rhythm",
        "Chronobiology Disorders"
      ],
      "interventions": [
        {
          "name": "Tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 70,
      "start_date": "2020-12-09",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Redwood City, California • Aurora, Colorado + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04652882"
    },
    {
      "nct_id": "NCT05099952",
      "title": "Sleep and Circadian Rhythm Study in Head and Neck Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Counseling",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-12-15",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05099952"
    },
    {
      "nct_id": "NCT06464367",
      "title": "Mechanistic Studies of Psilocybin in Headache Disorders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-05-19",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06464367"
    },
    {
      "nct_id": "NCT03826563",
      "title": "Melatonin Effects on Sleep and Circadian Rhythm in Youth and Young Adults With At-risk Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychosis",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "oral melatonin tablets (NatureMade brand)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "11 Years to 30 Years"
      },
      "enrollment_count": 21,
      "start_date": "2019-01-18",
      "completion_date": "2023-04-07",
      "has_results": false,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03826563"
    },
    {
      "nct_id": "NCT00691574",
      "title": "Melatonin Levels in Smith Magenis Syndrome (SMS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chromosome Disorders"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Enviro-light artificial light box",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "3 Years to 85 Years"
      },
      "enrollment_count": 5,
      "start_date": "1998-09",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691574"
    },
    {
      "nct_id": "NCT02997319",
      "title": "Shift Work, Heredity, Insulin, and Food Timing Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shift Work Type Circadian Rhythm Sleep Disorder",
        "Diabetes Mellitus, Type 2",
        "Circadian Rhythm Sleep Disorder, Shift Work Type",
        "Insulin Resistance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 365,
      "start_date": "2017-02-24",
      "completion_date": "2021-05-08",
      "has_results": false,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997319"
    },
    {
      "nct_id": "NCT03568045",
      "title": "Feasibility Pilot of Bright Light in the Intensive Care Unit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Circadian Rhythm Sleep Disorder, Unspecified"
      ],
      "interventions": [
        {
          "name": "standard light",
          "type": "DEVICE"
        },
        {
          "name": "10,000 lux bright light, 4 hours",
          "type": "DEVICE"
        },
        {
          "name": "10,000 lux bright light, 8 hours",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2018-12-03",
      "completion_date": "2024-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-17",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568045"
    },
    {
      "nct_id": "NCT06858774",
      "title": "Use of Circadian Reset Technology to Alter REM Sleep and Appetitive Control in Patients With Binge Eating Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binge-Eating Disorder"
      ],
      "interventions": [
        {
          "name": "Circadian Reset Technology",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VR Headset",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-05-13",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-07-24T12:27:22.904Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06858774"
    }
  ]
}