{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Voucher+CM",
    "query": {
      "intervention": "Voucher CM"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Voucher+CM&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T15:10:40.190Z",
  "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": "NCT00218023",
      "title": "Medications for Stopping Cocaine Dependence and Preventing Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Abuse",
        "Cocaine-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Modafinil",
          "type": "DRUG"
        },
        {
          "name": "Levodopa/Carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Motivational Interviewing (MI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-Behavioral Therapy (CBT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 101,
      "start_date": "2006-03",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-09",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218023"
    },
    {
      "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": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02896712"
    },
    {
      "nct_id": "NCT01161485",
      "title": "Reduction of Drug Use and HIV Risk Among Out-of-Treatment Methamphetamine Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HIV Testing and Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Strengths-based case management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 502,
      "start_date": "2010-08",
      "completion_date": "2016-05-25",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161485"
    },
    {
      "nct_id": "NCT01693978",
      "title": "Contingency Outcomes in Prolonged Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "Prolonged Exposure Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Voucher-Based Reinforcement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 126,
      "start_date": "2012-09",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-08-31",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01693978"
    },
    {
      "nct_id": "NCT00856323",
      "title": "Contingency Management for Methamphetamine Abstinence and HIV Post-Exposure Prophylaxis in Men Who Have Sex With Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amphetamine-Related Disorders",
        "HIV",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Truvada",
          "type": "DRUG"
        },
        {
          "name": "CM",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 53,
      "start_date": "2009-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2016-09-20",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00856323"
    },
    {
      "nct_id": "NCT01028131",
      "title": "Computer-Assisted Intervention for Smoking During Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Computer-delivered brief intervention (5As)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wayne State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 110,
      "start_date": "2007-06",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2013-06-10",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01028131"
    },
    {
      "nct_id": "NCT00249535",
      "title": "Vouchers vs. Prizes for Cocaine-Dependent Methadone Patients - 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Contingency management",
          "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": 240,
      "start_date": "2005-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-03-30",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00249535"
    },
    {
      "nct_id": "NCT00118391",
      "title": "Cognitive-Behavioral Treatment of Gambling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gambling",
        "Mental Health"
      ],
      "interventions": [
        {
          "name": "Cognitive behavior therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency management",
          "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": 120,
      "start_date": "2002-11",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2013-07-01",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118391"
    },
    {
      "nct_id": "NCT07539142",
      "title": "The HVIP+ Community Model",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hospital-based Violence Intervention",
        "Community Firearm Violence",
        "Firearm Behaviors"
      ],
      "interventions": [
        {
          "name": "Brief Bedside",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Case Management + Voucher",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SELF Group Therapy Sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 208,
      "start_date": "2026-04-20",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07539142"
    },
    {
      "nct_id": "NCT00838981",
      "title": "Pharmacotherapy & CM for Opioid and Cocaine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Modafinil",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "cognitive behavioral treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Voucher Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Yale 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": 91,
      "start_date": "2008-05",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-09-08T15:10:40.190Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00838981"
    }
  ]
}