{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=4",
    "query": {
      "intervention": "Efficacy Message",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 458,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T15:51:35.249Z",
  "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": "NCT06161675",
      "title": "Feasibility of Delivering VergeRx at FQHCs",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "QuitAid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SmokefreeTXT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Therapy Patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2024-09-23",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06161675"
    },
    {
      "nct_id": "NCT06184594",
      "title": "Evaluating the Efficacy of the eNav Toolkit to Improve Colorectal Cancer Screening",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer Screening"
      ],
      "interventions": [
        {
          "name": "eNav",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 400,
      "start_date": "2024-01-24",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06184594"
    },
    {
      "nct_id": "NCT01885052",
      "title": "Evaluation of National Cancer Institute Young Adult Stop-Smoking Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Cigarette Smoking",
        "Tobacco, Smoking"
      ],
      "interventions": [
        {
          "name": "QuitTXT Study",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Contact",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 4432,
      "start_date": "2013-06-12",
      "completion_date": "2015-05-28",
      "has_results": false,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01885052"
    },
    {
      "nct_id": "NCT01120704",
      "title": "Evaluation of Treatments to Improve Smoking Cessation Medication Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Adherence",
        "Nicotine Dependence",
        "Motivation"
      ],
      "interventions": [
        {
          "name": "Short Term Combination Nicotine Replacement Therapy (patch + gum)",
          "type": "DRUG"
        },
        {
          "name": "Long Term Combination Nicotine Replacement Therapy (patch + gum)",
          "type": "DRUG"
        },
        {
          "name": "Intensive Maintenance Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Medication Adherence Counseling (CAM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic Medication Monitoring Device (the Helping Hand) + Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Adherence Prompting Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 544,
      "start_date": "2010-06",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-12-11",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01120704"
    },
    {
      "nct_id": "NCT04622150",
      "title": "Effectiveness RCT of Customized Adherence Enhancement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Customized Adherence Enhancement (CAE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Treatment as Usual (eTAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 190,
      "start_date": "2022-02-01",
      "completion_date": "2026-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio • Lorain, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Lorain",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04622150"
    },
    {
      "nct_id": "NCT06116435",
      "title": "A Pilot Factorial Trial of an Integrated Lifestyle Intervention",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Prevent T2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Move group-based classes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness Membership",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mental Imagery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Move 1:1 Support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 64,
      "start_date": "2023-12-04",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2024-05-14",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06116435"
    },
    {
      "nct_id": "NCT05015491",
      "title": "Effects of Online App Weight Loss Programs on Liver Health in Obese Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "NASH",
        "Fatty Liver",
        "NAFLD",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Noom Healthy Weight Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Noom Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2021-08-09",
      "completion_date": "2022-09-12",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Chandler, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05015491"
    },
    {
      "nct_id": "NCT06485479",
      "title": "Effective Ads for Quitting Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Intervention ads",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control ads",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1236,
      "start_date": "2024-09-05",
      "completion_date": "2024-10-21",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06485479"
    },
    {
      "nct_id": "NCT07862348",
      "title": "Sleep Better, Live Better Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Hygiene",
        "Sleep Duration",
        "Health Behavior",
        "Self Efficacy",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Sleep Better, Live Better",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 25,
      "start_date": "2026-10-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07862348"
    },
    {
      "nct_id": "NCT01611350",
      "title": "Testing New Marketing Models for Improved Cookstoves - Uganda",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Air Pollution, Indoor",
        "Behavior"
      ],
      "interventions": [
        {
          "name": "RCT 1- Testing the Effectiveness of Marketing Messages in Increasing Willingness to Pay",
          "type": "OTHER"
        },
        {
          "name": "RCT 3-Measure the Effects of Fuel Efficient Cookstoves on Health, Fuel Use and Time Spent Collecting Fuel",
          "type": "OTHER"
        },
        {
          "name": "RCT 2- Testing the Effectiveness of the Novel Sales Offer and its ability to Increase Uptake of Purchasing Energy Efficient Cookstoves",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3500,
      "start_date": "2012-02",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2020-02-28",
      "last_synced_at": "2026-10-23T15:51:35.249Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01611350"
    }
  ]
}