{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Incentives+for+Participation",
    "query": {
      "intervention": "Incentives for Participation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Incentives+for+Participation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T23:05:30.774Z",
  "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": "NCT01977495",
      "title": "Take Charge of Your Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Financial Incentive: Fixed Lottery",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 136,
      "start_date": "2013-12",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-09",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977495"
    },
    {
      "nct_id": "NCT04809636",
      "title": "Evaluating the Impact of Incentives on Clinical Trial Participation",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hiv",
        "Aging",
        "Incentives"
      ],
      "interventions": [
        {
          "name": "This is not an interventional study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Riverside",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2021-01-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-03-22",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04809636"
    },
    {
      "nct_id": "NCT03862443",
      "title": "BEhavioral EConomics for Oral Health iNnovation Pilot Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Toothbrushing",
        "Dental Plaque",
        "Parent-Child Relations",
        "Oral Hygiene",
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "Fixed Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Drawing Incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "42 Months",
        "sex": "ALL",
        "summary": "6 Months to 42 Months"
      },
      "enrollment_count": 36,
      "start_date": "2017-05-10",
      "completion_date": "2018-03-19",
      "has_results": false,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03862443"
    },
    {
      "nct_id": "NCT05176626",
      "title": "Long-term Effectiveness of the Antiobesity Medication Phentermine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Obesity; Drug",
        "Lifestyle, Healthy"
      ],
      "interventions": [
        {
          "name": "Online Lifestyle Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phentermine Hydrochloride 8 MG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 870,
      "start_date": "2022-06-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Saint Louis Park, Minnesota • Winston-Salem, North Carolina + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Saint Louis Park",
          "state": "Minnesota"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05176626"
    },
    {
      "nct_id": "NCT02152033",
      "title": "Home-based Continuing Care for Young Adults Leaving Residential Substance Abuse Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Home-based Continuing Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Services as Usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Treatment Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2014-07",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2023-03-28",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02152033"
    },
    {
      "nct_id": "NCT03093441",
      "title": "A Comparison of High-intensity Interval Training Protocols on Health and Fitness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Multimodal High-Intensity Interval Training Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oakland University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2017-07-17",
      "completion_date": "2018-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-03-13",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Rochester, Michigan",
      "locations": [
        {
          "city": "Rochester",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03093441"
    },
    {
      "nct_id": "NCT07755748",
      "title": "Glaucoma Screening to Enhance At-Risk Californians' Health - Survey Response Incentives",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Screening"
      ],
      "interventions": [
        {
          "name": "$5 gift card",
          "type": "OTHER"
        },
        {
          "name": "$100 monthly drawing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2026-02-01",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 2,
      "location_summary": "Oakland, California • San Francisco, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07755748"
    },
    {
      "nct_id": "NCT01277367",
      "title": "Vitality Health Incentives for Physical Activity",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Discovery Vitality base program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Communication",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Charitable Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prize Draw Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Payment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Free Choice",
          "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": 0,
      "start_date": "2010-05",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2016-08-19",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01277367"
    },
    {
      "nct_id": "NCT06689774",
      "title": "Salvation Army Tobacco Quit Line Referral Implementation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Cognitive-Motivational Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Staff Tobacco Quit Line Referral Implementation Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Consumer Incentives for Immediate Referral to a Tobacco Quit Line",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 96,
      "start_date": "2024-11-01",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06689774"
    },
    {
      "nct_id": "NCT04289623",
      "title": "Assessing the Impact of myHealth Rewards Program-related Communications on Enrollment: Replication",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Health Promotion",
        "Wellness Program"
      ],
      "interventions": [
        {
          "name": "Email",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss frame",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Testimonial (medical expert)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Testimonial (rank-and-file)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social norms (percentage)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social norms (number)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13546,
      "start_date": "2020-02-25",
      "completion_date": "2020-03-10",
      "has_results": true,
      "last_update_posted_date": "2021-07-09",
      "last_synced_at": "2026-09-09T23:05:30.774Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04289623"
    }
  ]
}