{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondhand+Smoke+Exposure",
    "query": {
      "condition": "Secondhand Smoke Exposure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Secondhand+Smoke+Exposure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T01:52:34.529Z",
  "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": "NCT01145729",
      "title": "Clinical Response to Biomarker Documentation of Child Secondhand Smoke Exposure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Biomarker Feedback",
        "Smoking Cessation",
        "Secondhand Smoke Exposure",
        "Provider Behavior"
      ],
      "interventions": [
        {
          "name": "Biomarker Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institutes of Health (NIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "12 Months to 36 Months"
      },
      "enrollment_count": 80,
      "start_date": "2010-06",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01145729"
    },
    {
      "nct_id": "NCT04715568",
      "title": "Secondhand Tobacco Smoke and Cardiovascular Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2021-03-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04715568"
    },
    {
      "nct_id": "NCT00499915",
      "title": "NICU Asthma Education and Secondhand Smoke Reduction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Illness"
      ],
      "interventions": [
        {
          "name": "Secondhand Smoke Reduction and Smoking Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Asthma Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 165,
      "start_date": "2007-02",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2015-11-23",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499915"
    },
    {
      "nct_id": "NCT00670280",
      "title": "Reducing Environmental Tobacco Smoke in Neonatal Intensive Care Unit (NICU) Infants' Homes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant Environmental Tobacco Smoke Exposure"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care - Reduced Measurement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 144,
      "start_date": "2008-05",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2016-01-06",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670280"
    },
    {
      "nct_id": "NCT02997735",
      "title": "Parent eReferral to Tobacco Quitline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondhand Smoke"
      ],
      "interventions": [
        {
          "name": "Quitline Delivered Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": "2017-01-11",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2019-10-28",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997735"
    },
    {
      "nct_id": "NCT02489708",
      "title": "Pediatric Emergency Department Decision Support System to Reduce Secondhand Smoke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Cessation Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Day and older"
      },
      "enrollment_count": 150,
      "start_date": "2014-11",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-09",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02489708"
    },
    {
      "nct_id": "NCT02117947",
      "title": "Counseling to Reduce Children's SHS Exposure: A Trial With Maternal Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Behavioral Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-help control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2004-07",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2017-02-15",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02117947"
    },
    {
      "nct_id": "NCT04013256",
      "title": "Controlled Exposure of Healthy Nonsmokers to Secondhand and Thirdhand Cigarette Smoke",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pollution; Exposure",
        "Smoke Inhalation",
        "Exposure to Pollution"
      ],
      "interventions": [
        {
          "name": "Cigarette Smoke",
          "type": "OTHER"
        },
        {
          "name": "Clean Air and Clean Clothing/Sham exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 66,
      "start_date": "2020-01-20",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-28",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04013256"
    },
    {
      "nct_id": "NCT04661683",
      "title": "Secondhand Effects of Hookah (i.e., Waterpipe) Smoke and Aerosol",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hookah Smoking",
        "Secondhand Aerosol",
        "Vascular Stiffness",
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Combustible Hookah Smoke",
          "type": "OTHER"
        },
        {
          "name": "Electronic Hookah Aerosol",
          "type": "OTHER"
        },
        {
          "name": "Clean Room Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "21 Years to 49 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-06-25",
      "completion_date": "2027-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04661683"
    },
    {
      "nct_id": "NCT01921439",
      "title": "OCAST Cessation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking Behavior",
        "Cigarette Smoking Behavior",
        "Second Hand Tobacco Smoke",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Personalized Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 152,
      "start_date": "2013-07",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-07-23T01:52:34.529Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01921439"
    }
  ]
}