{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=usual+brand+smoking&page=3",
    "query": {
      "intervention": "usual brand smoking",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=usual+brand+smoking&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=usual+brand+smoking&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T16:15:11.262Z",
  "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": "NCT02538042",
      "title": "Strengthening Instrumental Extinction to Prevent Smoking Relapse (VLNCCue)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "SPECTRUM Nicotine Research Cigarettes (0.07 mg)",
          "type": "DRUG"
        },
        {
          "name": "MCE-",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Francis McClernon, Ph.D.",
      "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": 87,
      "start_date": "2015-10-08",
      "completion_date": "2017-09-08",
      "has_results": true,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02538042"
    },
    {
      "nct_id": "NCT06249984",
      "title": "Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Smokeless Tobacco Use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-20",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06249984"
    },
    {
      "nct_id": "NCT01213524",
      "title": "Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "sensorimotor replacement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "42 mg transdermal nicotine replacement",
          "type": "DRUG"
        },
        {
          "name": "Placebo transdermal nicotine",
          "type": "DRUG"
        },
        {
          "name": "usual brand smoking",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 75,
      "start_date": "2005-09",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01213524"
    },
    {
      "nct_id": "NCT04019626",
      "title": "A Study to Assess Tobacco-related Biomarkers of Exposure in Smokers Using myBlu E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Continue-smoking",
          "type": "OTHER"
        },
        {
          "name": "myblu Tobacco 2.5%",
          "type": "OTHER"
        },
        {
          "name": "myblu Tobacco 4.0%",
          "type": "OTHER"
        },
        {
          "name": "myblu Honeymoon 2.5%",
          "type": "OTHER"
        },
        {
          "name": "myblu Honeymoon 4.0%",
          "type": "OTHER"
        },
        {
          "name": "JUUL 5%",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fontem Ventures BV",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 240,
      "start_date": "2019-03-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019626"
    },
    {
      "nct_id": "NCT05994703",
      "title": "Assisting Smokers to Switch to an e-Cigarette by Accelerating Learning of Adaptive Habits Using D-cycloserine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation",
        "Harm Reduction"
      ],
      "interventions": [
        {
          "name": "d-cycloserine",
          "type": "DRUG"
        },
        {
          "name": "Juul e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-10-20",
      "completion_date": "2026-01-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05994703"
    },
    {
      "nct_id": "NCT05644002",
      "title": "Puff Biofeedback to Reduce Smoking Reinforcement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Puff Topography Biofeedback Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 154,
      "start_date": "2022-03-21",
      "completion_date": "2023-09-13",
      "has_results": true,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05644002"
    },
    {
      "nct_id": "NCT03856515",
      "title": "Gender Differences in Switching From Smoking Regular Cigarettes to E-Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 169,
      "start_date": "2022-06-02",
      "completion_date": "2026-01-07",
      "has_results": true,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03856515"
    },
    {
      "nct_id": "NCT05610514",
      "title": "Pulmonary and Cardiac Effects of E-Cigarette Use in Pulmonary Patients Who Smoke Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Chronic Bronchitis",
        "Emphysema",
        "Asthma-COPD Overlap Syndrome"
      ],
      "interventions": [
        {
          "name": "E-Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2022-04-28",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-02-08",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05610514"
    },
    {
      "nct_id": "NCT05142436",
      "title": "BAT3221032: A Study to Evaluate the Effects of Switching From Cigarette Smoking to Using One of Five Variants of a Heated Tobacco Product on Biomarkers of Exposure and Biomarkers of Potential Harm in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A: Non-Combusted Cigarette Variant 42001402 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product B: Non-Combusted Cigarette Variant 42001399 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product C: Non-Combusted Cigarette Variant 42001401 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product D: Non-Combusted Cigarette Variant 40007386 and product use Mode B",
          "type": "OTHER"
        },
        {
          "name": "Product E: Non-Combusted Cigarette Variant 42001402 and product use Mode A",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "British American Tobacco (Investments) Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "26 Years to 55 Years"
      },
      "enrollment_count": 806,
      "start_date": "2022-01-13",
      "completion_date": "2022-12-13",
      "has_results": false,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 18,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Rogers, Arkansas + 14 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Morrow",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05142436"
    },
    {
      "nct_id": "NCT01692353",
      "title": "Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Subject's usual brand (UB) tobacco product",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "R.J. Reynolds Tobacco Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "26 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "26 Years to 49 Years · Male only"
      },
      "enrollment_count": 168,
      "start_date": "2008-09",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2016-02-17",
      "last_synced_at": "2026-10-08T16:15:11.262Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01692353"
    }
  ]
}