{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out+%2B+Incentive",
    "query": {
      "intervention": "Opt-out + Incentive"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T03:51:46.086Z",
  "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": "NCT01377857",
      "title": "HIV Screening Take-up: Evaluating Incentives and Opt-out Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Monetary Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Timing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIV Test Offering",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "13 Years to 64 Years"
      },
      "enrollment_count": 8572,
      "start_date": "2011-05",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-14",
      "last_synced_at": "2026-09-04T03:51:46.086Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01377857"
    },
    {
      "nct_id": "NCT05990296",
      "title": "Evaluating Strategies to Improve Guideline Directed Medical Therapy: The GDMT Research, Education & Assist Trial for Heart Failure Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Multiprong CDS with referral to pharmacist co-management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiprong CDS with GDMT order set",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Focused education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4306,
      "start_date": "2023-08-01",
      "completion_date": "2025-05-17",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-04T03:51:46.086Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05990296"
    },
    {
      "nct_id": "NCT01852877",
      "title": "Seek, Test, Treat, Retain: An Integrated Jail-Prison-Community Model for Illinois",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Corrections case management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 784,
      "start_date": "2013-07",
      "completion_date": "2016-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-09-04T03:51:46.086Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852877"
    },
    {
      "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": "2026-09-04T03:51:46.086Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977495"
    },
    {
      "nct_id": "NCT07123480",
      "title": "The Role of 4 Different Consent Approaches on a Pilot Study to Increase Cardiac Rehabilitation Attendance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ethics",
        "Cardiac Rehabilitation",
        "Coronary Heart Disease (CHD)",
        "Heart Failure",
        "Percutaneous Coronary Intervention (PCI)",
        "Aortic Valve Replacement",
        "Myocardial Infarction (MI)"
      ],
      "interventions": [
        {
          "name": "Usual Care Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "More Support and Tools",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baystate 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": 160,
      "start_date": "2025-07-16",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-04T03:51:46.086Z",
      "location_count": 1,
      "location_summary": "Springfield, Massachusetts",
      "locations": [
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07123480"
    },
    {
      "nct_id": "NCT04248816",
      "title": "Hepatocellular Carcinoma Surveillance in Cirrhotics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Cirrhosis"
      ],
      "interventions": [
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opt-out",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opt-out + Incentive",
          "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": 615,
      "start_date": "2020-11-19",
      "completion_date": "2022-02-14",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-09-04T03:51:46.086Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04248816"
    }
  ]
}