{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contingency+Reinforcement&page=6",
    "query": {
      "intervention": "Contingency Reinforcement",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 126,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contingency+Reinforcement&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contingency+Reinforcement&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T05:10:35.640Z",
  "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": "NCT01736982",
      "title": "Contingency Management for Smoking Cessation in the Homeless",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2012-10",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2018-01-16",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "New Britain, Connecticut",
      "locations": [
        {
          "city": "New Britain",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01736982"
    },
    {
      "nct_id": "NCT01723527",
      "title": "Diversion to Treatment for Injection Drug Users Arrested for Possession of Heroin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine-Related Disorders",
        "HIV",
        "Heroin Dependence"
      ],
      "interventions": [
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Employment-based drug abstinence reinforcement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 1,
      "start_date": "2012-12",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-12-11",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01723527"
    },
    {
      "nct_id": "NCT01184040",
      "title": "Extending Contingency Management's Benefits With Progressively Increasing Variable Interval Prize Reinforcement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Addictive Behaviors"
      ],
      "interventions": [
        {
          "name": "VIP CM",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2010-05",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01184040"
    },
    {
      "nct_id": "NCT01567943",
      "title": "Contingency Management of Alcohol Abuse in the Severely Mentally ILL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Abuse",
        "Schizophrenia",
        "Bipolar Disorder",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "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": 123,
      "start_date": "2012-03",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01567943"
    },
    {
      "nct_id": "NCT05160688",
      "title": "Changes in Cognition and Psychiatric Disorder Symptoms During Cannabis Abstinence Using a Novel Discordant Twin Design",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis"
      ],
      "interventions": [
        {
          "name": "Contingency management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "31 Years",
        "maximum_age": "47 Years",
        "sex": "ALL",
        "summary": "31 Years to 47 Years"
      },
      "enrollment_count": 146,
      "start_date": "2023-05-05",
      "completion_date": "2026-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05160688"
    },
    {
      "nct_id": "NCT06576076",
      "title": "Cannabis, Linked Emotions, and Adolescent Risk Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis Use",
        "Depression",
        "Suicidal Ideation",
        "Adolescent Behavior"
      ],
      "interventions": [
        {
          "name": "Contingency management for cannabis abstinence",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-02-18",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06576076"
    },
    {
      "nct_id": "NCT05134857",
      "title": "The Zonisamide and Reinforcement for Reducing Alcohol Use (ZARRA) Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder (AUD)"
      ],
      "interventions": [
        {
          "name": "Zonisamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington State University",
      "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": 205,
      "start_date": "2022-01-07",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05134857"
    },
    {
      "nct_id": "NCT01612169",
      "title": "Hospital Visit as Opportunity for Prevention and Engagement for HIV-Infected Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "AIDS",
        "Substance Abuse",
        "Inpatient"
      ],
      "interventions": [
        {
          "name": "Patient Navigation (PN) Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Navigator Plus Contingency Management (PN+CM) Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 801,
      "start_date": "2012-07",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2016-03-14",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Torrance, California • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01612169"
    },
    {
      "nct_id": "NCT02896712",
      "title": "Developing Adaptive Interventions for Cocaine Cessation and Relapse Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Acceptance and Commitment Therapy (ACT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Drug Counseling (DC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Modafinil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 118,
      "start_date": "2016-11-18",
      "completion_date": "2021-09-13",
      "has_results": true,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02896712"
    },
    {
      "nct_id": "NCT07557732",
      "title": "Engaging Mental Effort: Process- and Person-Based Reward Experiences, Effort Reinforcement Intervention, and Cascading Effects on Challenging Tasks",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Performance vs. Effort Rewards"
      ],
      "interventions": [
        {
          "name": "Performance Rewards",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Effort Rewards",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "9 Years to 13 Years"
      },
      "enrollment_count": 180,
      "start_date": "2026-04-08",
      "completion_date": "2028-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-18T05:10:35.640Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07557732"
    }
  ]
}