{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=voucher&page=2",
    "query": {
      "intervention": "voucher",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=voucher&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T04:02:38.599Z",
  "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": "NCT00607269",
      "title": "Voucher-Based Incentives in a Prevention Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Substance-related Disorders"
      ],
      "interventions": [
        {
          "name": "Voucher-Based Reinforcement Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 131,
      "start_date": "2005-04",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2013-08-01",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00607269"
    },
    {
      "nct_id": "NCT05889780",
      "title": "Screening for and Responding to Food Insecurity Among Infusion Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Diet, Healthy",
        "Nutrition, Healthy"
      ],
      "interventions": [
        {
          "name": "Food pantry referrals",
          "type": "OTHER"
        },
        {
          "name": "No-prep, ready-to-eat meals",
          "type": "OTHER"
        },
        {
          "name": "Vouchers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2024-01-08",
      "completion_date": "2024-09-06",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05889780"
    },
    {
      "nct_id": "NCT00508560",
      "title": "Contingency Management for Smoking Cessation Among Veterans With Psychotic Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reward",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2007-07",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2015-06-26",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508560"
    },
    {
      "nct_id": "NCT07706192",
      "title": "Impact of Food Assistance on Treatment Adherence and Clinical Outcomes in Food-Insecure Cancer Pts",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Adherence"
      ],
      "interventions": [
        {
          "name": "Food Assistance Program",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2026-07-06",
      "completion_date": "2035-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07706192"
    },
    {
      "nct_id": "NCT00167258",
      "title": "Effectiveness and Costs of Enhanced Cocaine Treatments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Voucher Reinforcement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extra Counseling Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Voucher Reinforcement + Extra Counseling Services",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2009-12-15",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00167258"
    },
    {
      "nct_id": "NCT00158197",
      "title": "Long-term Behavior Change - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amphetamine-related Disorders"
      ],
      "interventions": [
        {
          "name": "contingency management voucher",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "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": 119,
      "start_date": "2004-12",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2015-08-25",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Rancho Cucamonga, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rancho Cucamonga",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00158197"
    },
    {
      "nct_id": "NCT02202096",
      "title": "A Pilot Randomized Trial of a Comprehensive Transitional Care Program for Colorectal Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Comprehensive Transitional Care Program"
      ],
      "interventions": [
        {
          "name": "Patient education: One-on-one visit",
          "type": "OTHER"
        },
        {
          "name": "Discharge planning: Assessment of barriers to discharge",
          "type": "OTHER"
        },
        {
          "name": "Medication reconciliation: Patient medication review",
          "type": "OTHER"
        },
        {
          "name": "Appointment before discharge: Additional measure to ensure awareness of next clinic visit",
          "type": "OTHER"
        },
        {
          "name": "Transition coach",
          "type": "OTHER"
        },
        {
          "name": "Patient-centered discharge instructions: Enhanced",
          "type": "OTHER"
        },
        {
          "name": "Provider continuity: Specific surgeons responsible for coordinating care with medical/radiation oncology",
          "type": "OTHER"
        },
        {
          "name": "Timely follow-up: Barriers to clinic follow-up visits will be discussed",
          "type": "OTHER"
        },
        {
          "name": "Timely PCP communication",
          "type": "OTHER"
        },
        {
          "name": "Follow-up telephone call",
          "type": "OTHER"
        },
        {
          "name": "Patient hotline: 24 hour follow-up following call to Ask My Nurse number",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-06-14",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02202096"
    },
    {
      "nct_id": "NCT06214806",
      "title": "Food Is Medicine: Makin' Healthy Groceries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Grocery Vouchers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2024-03-12",
      "completion_date": "2024-10-23",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 2,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06214806"
    },
    {
      "nct_id": "NCT02177006",
      "title": "Helping Children be Safe Outdoors With Sun Protection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sun Sensitivity",
        "Sun Protection",
        "Skin Cancer"
      ],
      "interventions": [
        {
          "name": "Sun Protection Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 840,
      "start_date": "2014-06",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02177006"
    },
    {
      "nct_id": "NCT05556070",
      "title": "Brighter Bites & UT Physicians Produce Rx Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity, Childhood"
      ],
      "interventions": [
        {
          "name": "Arm 1",
          "type": "OTHER"
        },
        {
          "name": "Arm 2",
          "type": "OTHER"
        },
        {
          "name": "Arm 3",
          "type": "OTHER"
        },
        {
          "name": "Brighter Bites app",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 150,
      "start_date": "2022-10-17",
      "completion_date": "2024-11-15",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-21T04:02:38.599Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05556070"
    }
  ]
}