{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Change+in+school+start+times",
    "query": {
      "intervention": "Change in school start times"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T20:36:58.477Z",
  "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": "NCT04049682",
      "title": "Start Times and Restful Sleep",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Excessive Daytime Somnolence",
        "Sleep Deprivation"
      ],
      "interventions": [
        {
          "name": "Delayed School Start Time",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-09",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2020-07-15",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 2,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049682"
    },
    {
      "nct_id": "NCT03964181",
      "title": "Changing School Start Times: Impact on Student, Family, Teacher, and Community Health",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Change in school start times",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 118000,
      "start_date": "2017-04-11",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-29",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03964181"
    },
    {
      "nct_id": "NCT05345392",
      "title": "Brain, Emotions, and Mind-Wandering",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mood Disorders"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Based Intervention (MBI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health and Wellness Intervention (HWI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 224,
      "start_date": "2022-09-23",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05345392"
    },
    {
      "nct_id": "NCT02334202",
      "title": "Preventing Obesity in Military Communities, Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Weight Gain",
        "Disordered Eating",
        "Eating Disorder"
      ],
      "interventions": [
        {
          "name": "Interpersonal Psychotherapy-Weight Gain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 17 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2011-11",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-03",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Fort Belvoir, Virginia",
      "locations": [
        {
          "city": "Fort Belvoir",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02334202"
    },
    {
      "nct_id": "NCT06099288",
      "title": "Strong Families Start at Home/Familias Fuertes Comienzan en Casa",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome, Protection Against",
        "Diet, Healthy"
      ],
      "interventions": [
        {
          "name": "Home-Based Video and Motivational Interviewing Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Read Educate and Develop Youth (READY) Comparison",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 257,
      "start_date": "2024-01-01",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06099288"
    },
    {
      "nct_id": "NCT05336955",
      "title": "Evaluation of Telehealth Services on Mental Health Outcomes for People With Intellectual and Developmental Disabilities",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Health Conditions",
        "Developmental Disability"
      ],
      "interventions": [
        {
          "name": "Intake and quarterly assessment:",
          "type": "OTHER"
        },
        {
          "name": "Consultation & coping skills coaching:",
          "type": "OTHER"
        },
        {
          "name": "24-hour urgent crisis response and intervention:",
          "type": "OTHER"
        },
        {
          "name": "Service linkages, referrals, outreach, & training:",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of New Hampshire",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "12 Years to 45 Years"
      },
      "enrollment_count": 339,
      "start_date": "2023-05-01",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Concord, North Carolina",
      "locations": [
        {
          "city": "Concord",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05336955"
    },
    {
      "nct_id": "NCT04045288",
      "title": "SWITCH Implementation Effectiveness Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Behavior",
        "Health Promotion",
        "Overweight and Obesity",
        "Healthy Lifestyle",
        "Diet, Healthy"
      ],
      "interventions": [
        {
          "name": "Standard Implementation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Implementation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "9 Years to 11 Years"
      },
      "enrollment_count": 1984,
      "start_date": "2017-08-15",
      "completion_date": "2018-05-15",
      "has_results": false,
      "last_update_posted_date": "2019-08-05",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04045288"
    },
    {
      "nct_id": "NCT06161597",
      "title": "Family Check-Up Online",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Families of Middle School Students at Title 1 Schools"
      ],
      "interventions": [
        {
          "name": "Family Check-Up Online",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "10 Years to 16 Years"
      },
      "enrollment_count": 163,
      "start_date": "2023-10-25",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-27T20:36:58.477Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06161597"
    }
  ]
}