{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Deposit+Contract",
    "query": {
      "intervention": "Deposit Contract"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:35:48.747Z",
  "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": "NCT05075213",
      "title": "QuitBet Phase II: A Digital Social Game That Pays You to Stop Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "contingency management (deposit contract)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "leaderboard and social feed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "smoking cessation resource list",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "WayBetter, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 245,
      "start_date": "2021-11-01",
      "completion_date": "2024-07-27",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-03T09:35:48.747Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05075213"
    },
    {
      "nct_id": "NCT02709642",
      "title": "Brigham and Women's Healthy Weight Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Deposit Contract",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard Pilgrim Health Care",
      "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": "2016-06",
      "completion_date": "2020-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-03T09:35:48.747Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02709642"
    },
    {
      "nct_id": "NCT01167634",
      "title": "University Of Pennsylvania Weight Loss Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Deposit contract with a 1:1 match",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Deposit contract with a 2:1 match",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Deposit Contract with no match",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 132,
      "start_date": "2011-05-24",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-08-23",
      "last_synced_at": "2026-09-03T09:35:48.747Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01167634"
    },
    {
      "nct_id": "NCT02596061",
      "title": "In It To Quit: Commitment Contracts for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Deposit Contract",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentives",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Community Health Center, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 311,
      "start_date": "2015-11",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-01-26",
      "last_synced_at": "2026-09-03T09:35:48.747Z",
      "location_count": 1,
      "location_summary": "Middletown, Connecticut",
      "locations": [
        {
          "city": "Middletown",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02596061"
    },
    {
      "nct_id": "NCT05837611",
      "title": "Contingency Management Using Deposit Contract to Reduce Drinking",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Abuse",
        "Alcohol Intervention",
        "Transdermal Alcohol Monitoring",
        "Contingency Management",
        "Deposit Contract"
      ],
      "interventions": [
        {
          "name": "Deposit Contract",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transdermal Alcohol Monitoring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-06-10",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-03T09:35:48.747Z",
      "location_count": 2,
      "location_summary": "Denton, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Denton",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05837611"
    }
  ]
}