{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=A+%2420+Survey+Incentive",
    "query": {
      "intervention": "A $20 Survey Incentive"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=A+%2420+Survey+Incentive&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T04:56:08.298Z",
  "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": "NCT07218978",
      "title": "Ripe for Revival: Outcomes Evaluation of a Mobile Produce Market With Vouchers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet Interventions",
        "Food Security",
        "Nutrition Security",
        "Fruit and Vegetable Intake"
      ],
      "interventions": [
        {
          "name": "Mobile Market Voucher Outcomes Study",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "North Carolina State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2026-05-01",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Raleigh, North Carolina",
      "locations": [
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07218978"
    },
    {
      "nct_id": "NCT05217602",
      "title": "Incentivizing Meditation App Habit Formation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress",
        "Adherence, Treatment"
      ],
      "interventions": [
        {
          "name": "AC+ARwdC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AC+RwdC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Calm Control (UC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 597,
      "start_date": "2022-02-22",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-22",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05217602"
    },
    {
      "nct_id": "NCT02957539",
      "title": "Financial vs. Non-Financial Rewards for Weight Loss and Weight Maintenance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Financial rewards",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Financial rewards",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 274,
      "start_date": "2018-03-21",
      "completion_date": "2021-07-30",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02957539"
    },
    {
      "nct_id": "NCT02021383",
      "title": "Lose 2 Win A Novel Method to Motivate Weight Loss Maintenance Among College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obese"
      ],
      "interventions": [
        {
          "name": "Bi-weekly in person meetings with a Registered Dietician",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial incentives for weight loss maintenance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 144,
      "start_date": "2012-03-01",
      "completion_date": "2014-02-28",
      "has_results": false,
      "last_update_posted_date": "2019-05-13",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02021383"
    },
    {
      "nct_id": "NCT02424643",
      "title": "Improving Survey Procedures for Young Men Who Have Sex With Men in Web-based HIV Prevention: Retention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Monetary Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Altruistic Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dashboard Incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "MALE",
        "summary": "18 Years to 34 Years · Male only"
      },
      "enrollment_count": 1131,
      "start_date": "2015-04",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02424643"
    },
    {
      "nct_id": "NCT06432985",
      "title": "Smoking Cessation CM for Veterans With or at Risk for Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "Focus Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Counseling (Cognitive Behavioral Therapy, CBT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TUD Treatment as Usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2025-01-29",
      "completion_date": "2031-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06432985"
    },
    {
      "nct_id": "NCT04935606",
      "title": "mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Drug Use"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 457,
      "start_date": "2021-06-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 5,
      "location_summary": "Long Beach, California • Los Angeles, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04935606"
    },
    {
      "nct_id": "NCT01436097",
      "title": "Randomized Trial of Healthy Eating Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition Therapy"
      ],
      "interventions": [
        {
          "name": "Information provision intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "information provision + flat incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information provision + tiered incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "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": 42,
      "start_date": "2011-10",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-01-15",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01436097"
    },
    {
      "nct_id": "NCT01849393",
      "title": "Evaluating Rewards-Based Adherence and Electronic Medication Monitoring in HIV-Positive Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Immunodeficiency Virus (HIV)",
        "Acquired Immunodeficiency Syndrome (AIDS)"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 100,
      "start_date": "2013-06",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2013-12-16",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01849393"
    },
    {
      "nct_id": "NCT02346799",
      "title": "Creating Exercise Habits Through Incentives for Routines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Weight"
      ],
      "interventions": [
        {
          "name": "Workout Window Reminders",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Individual Workout Incentive Payment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lump Incentive Payments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Partner Assignment",
          "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": 2702,
      "start_date": "2015-01",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-08-22",
      "last_synced_at": "2026-09-22T04:56:08.298Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02346799"
    }
  ]
}