{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Reinforcement+for+Abstinence",
    "query": {
      "intervention": "Reinforcement for Abstinence"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 56,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Reinforcement+for+Abstinence&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T17:22:17.885Z",
  "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": "NCT00107588",
      "title": "Marijuana Treatment Project - 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Marijuana Dependence"
      ],
      "interventions": [
        {
          "name": "Reinforcement for homework completion",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reinforcement for Abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Case Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 215,
      "start_date": "2007-02",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2017-07-28",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00107588"
    },
    {
      "nct_id": "NCT00497302",
      "title": "Recovery Housing For Drug Dependent Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Drug Addiction"
      ],
      "interventions": [
        {
          "name": "RBT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins 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": 128,
      "start_date": "2004-11",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2013-03-05",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00497302"
    },
    {
      "nct_id": "NCT04567238",
      "title": "Impact of Reduced Cannabis Use on Functional Outcomes (R33 Phase)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "Mobile contingency management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-03-19",
      "completion_date": "2023-11-22",
      "has_results": true,
      "last_update_posted_date": "2024-12-24",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04567238"
    },
    {
      "nct_id": "NCT02774525",
      "title": "Concurrent Treatment of Substance Abuse and Child Maltreatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use",
        "Child Maltreatment"
      ],
      "interventions": [
        {
          "name": "Reinforcement for drug & alcohol abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parenting intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2013-04",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Columbia, South Carolina",
      "locations": [
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02774525"
    },
    {
      "nct_id": "NCT01416584",
      "title": "A Bridge to Treatment: The Therapeutic Workplace and Methadone Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opiate Dependence"
      ],
      "interventions": [
        {
          "name": "methadone contingency",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Methadone & Abstinence Contingency",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 98,
      "start_date": "2008-10",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01416584"
    },
    {
      "nct_id": "NCT00948649",
      "title": "Effects of Chantix on Relapse Prevention for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 62,
      "start_date": "2006-09",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2010-08-17",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00948649"
    },
    {
      "nct_id": "NCT00807742",
      "title": "Contingency Management for Smoking in Substance Abusers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Abuse"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Treatment (NRT)",
          "type": "DRUG"
        },
        {
          "name": "Brief Advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Contingent Reinforcement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 340,
      "start_date": "2008-10",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00807742"
    },
    {
      "nct_id": "NCT01556425",
      "title": "The Separate and Combined Effects of Vivitrol and Opiate Abstinence Reinforcement in the Treatment of Opioid Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Vivitrol",
          "type": "DRUG"
        },
        {
          "name": "Employment-based opiate abstinence reinforcement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 84,
      "start_date": "2012-05",
      "completion_date": "2017-08-06",
      "has_results": true,
      "last_update_posted_date": "2018-03-12",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01556425"
    },
    {
      "nct_id": "NCT03353701",
      "title": "30-to-90 Day Challenge: Effects of Alcohol Cessation on Health Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Drinking",
        "Chronic Inflammation",
        "Neurocognitive Dysfunction",
        "Liver Diseases",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Contingency Management (CM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 57,
      "start_date": "2017-12-11",
      "completion_date": "2024-01-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03353701"
    },
    {
      "nct_id": "NCT02848586",
      "title": "Effects of E-cigarettes (ECIGs) on Pulmonary Inflammation and Behavior in HIV Infected Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Inflammation",
        "HIV Seropositivity"
      ],
      "interventions": [
        {
          "name": "ECIGS",
          "type": "OTHER"
        },
        {
          "name": "mobile contingency management (mCM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual brand",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-08",
      "completion_date": "2018-05-08",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-09-11T17:22:17.885Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02848586"
    }
  ]
}