{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse+to+Smoking",
    "query": {
      "condition": "Relapse to Smoking"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapse+to+Smoking&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T15:31:53.811Z",
  "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": "NCT00360581",
      "title": "Preventing Postpartum Relapse to Smoking Using Yoga and Cognitive Behavioral Therapy: A Randomized Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Yoga",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Yoga and Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2006-04",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2008-02-11",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00360581"
    },
    {
      "nct_id": "NCT00033592",
      "title": "Comparison of Nicotine Inhaler and/or Bupropion in Helping People to Stop Smoking and Prevent the Recurrence of Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "bupropion hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "nicotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1708,
      "start_date": "2002-02",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2016-07-13",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 24,
      "location_summary": "Scottsdale, Arizona • Washington D.C., District of Columbia • Peoria, Illinois + 20 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00033592"
    },
    {
      "nct_id": "NCT00888992",
      "title": "Technology-Enhanced Quitline Services to Prevent Smoking Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Quitline Service + 10 automated monitoring calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline service + 20 automated monitoring calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1785,
      "start_date": "2010-04",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-03",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00888992"
    },
    {
      "nct_id": "NCT01866722",
      "title": "Not Quite Ready to Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "5Rs",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 560,
      "start_date": "2013-09",
      "completion_date": "2015-07-14",
      "has_results": false,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01866722"
    },
    {
      "nct_id": "NCT01798394",
      "title": "Progesterone & Postpartum Relapse to Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 46,
      "start_date": "2014-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-09",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01798394"
    },
    {
      "nct_id": "NCT00621777",
      "title": "A Study of Varenicline for Prevention of Relapse to Smoking in Patients With Schizophrenia or Bipolar Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 247,
      "start_date": "2008-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-21",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Bloomington, Indiana • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00621777"
    },
    {
      "nct_id": "NCT04783857",
      "title": "Modifying Progesterone and Estradiol Levels to Prevent Postpartum Cigarette Smoking Relapse and Reduce Secondhand Smoke Exposure in Infants and Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Progesterone 200 MG Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 171,
      "start_date": "2022-04-14",
      "completion_date": "2027-06-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04783857"
    },
    {
      "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": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02538042"
    },
    {
      "nct_id": "NCT01990079",
      "title": "Use of Technological Advances to Prevent Smoking Relapse Among Smokers With PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PTSD",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "Smoking cessation counseling",
          "type": "OTHER"
        },
        {
          "name": "mobile contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stay Quit Coach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2013-12",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01990079"
    },
    {
      "nct_id": "NCT01352000",
      "title": "Relapse-Prevention Booklets as an Adjunct to a Tobacco Telephone Helpline(\"Quitline\")",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3830,
      "start_date": "2008-12",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-07-23T15:31:53.811Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01352000"
    }
  ]
}