{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Attendance+incentive",
    "query": {
      "intervention": "Attendance incentive"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Attendance+incentive&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T08:55:45.225Z",
  "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": "NCT02422420",
      "title": "Minnesota Medicaid Incentives to Prevent Chronic Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetic State"
      ],
      "interventions": [
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Minnesota Department of Human Services",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 1500,
      "start_date": "2013-03",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-10-18",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02422420"
    },
    {
      "nct_id": "NCT03134040",
      "title": "Small Monetary Incentives to Promote Exercise (Exercise4Good; EX4G)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Incentives (Rebate)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentives (Donation)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 82,
      "start_date": "2016-05",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134040"
    },
    {
      "nct_id": "NCT06134882",
      "title": "OUD Smartphone Services",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-Related Disorders",
        "Drug Abuse"
      ],
      "interventions": [
        {
          "name": "Contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-Behavior Therapy Modules",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Contingency Management (CM) Guide",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Drug testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness modules",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer technical support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Western Michigan University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2024-04-23",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06134882"
    },
    {
      "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": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01693978"
    },
    {
      "nct_id": "NCT05934591",
      "title": "Improving Attendance in Community Wise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intervention Engagement and Retention"
      ],
      "interventions": [
        {
          "name": "Community Wise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 166,
      "start_date": "2023-07-06",
      "completion_date": "2024-05-24",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "East Saint Louis, Illinois",
      "locations": [
        {
          "city": "East Saint Louis",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05934591"
    },
    {
      "nct_id": "NCT05967195",
      "title": "Trial to Increase FEP Attendance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "First-Episode Psychosis"
      ],
      "interventions": [
        {
          "name": "Financial Incentive and Text-Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2025-02-01",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 3,
      "location_summary": "Raleigh, North Carolina • Philadelphia, Pennsylvania • Philadephia, Pennsylvania",
      "locations": [
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadephia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05967195"
    },
    {
      "nct_id": "NCT01790360",
      "title": "Seek, Test, and Retain. Linkages for Black HIV+, Substance-Using MSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Abuse",
        "Sexual Behavior"
      ],
      "interventions": [
        {
          "name": "Patient Navigation (PN) Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives (FI) Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 1930,
      "start_date": "2011-07",
      "completion_date": "2021-11-17",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01790360"
    },
    {
      "nct_id": "NCT01229163",
      "title": "Automated Prize-based Contingency Management to Increase Counseling Attendance in Opiate-Replacement-Therapy Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Opiate-Replacement Therapy"
      ],
      "interventions": [
        {
          "name": "Automated Contingency Management (ACM) software",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2010-10-03",
      "completion_date": "2012-04-19",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01229163"
    },
    {
      "nct_id": "NCT02206906",
      "title": "Incentives to Promote Medication Adherence Among HIV-Infected Youth",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Incentive intervention model",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "16 Years to 24 Years"
      },
      "enrollment_count": 25,
      "start_date": "2014-07",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-21",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02206906"
    },
    {
      "nct_id": "NCT04304872",
      "title": "Improving Physical Activity and Cardiac Rehabilitation Attendance Using Technology and Behavioral Economics",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Gamification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss-Framed Financial Incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-10-31",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-09-25T08:55:45.225Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04304872"
    }
  ]
}