{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message",
    "query": {
      "intervention": "Efficacy Message"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 450,
    "total_pages": 45,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T20:09:22.523Z",
  "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": "NCT04662593",
      "title": "Koa Family Study--A Community-Based Intervention to Improve Health and Well-Being",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Diet, Healthy",
        "Social Interaction",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Whole Health Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 70,
      "start_date": "2021-01-04",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2021-10-11",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04662593"
    },
    {
      "nct_id": "NCT01253733",
      "title": "MD2Me - Texting to Promote Chronic Disease Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Inflammatory Bowel Disease",
        "Type 1 Diabetes",
        "Chronic Disease Management"
      ],
      "interventions": [
        {
          "name": "MD2ME",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Huang, Jeannie, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "14 Years to 22 Years"
      },
      "enrollment_count": 81,
      "start_date": "2009-10",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2016-01-26",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01253733"
    },
    {
      "nct_id": "NCT04321135",
      "title": "Avanzando Juntas: Adapting an Evidence Based Weight Loss Program for Hispanic Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Gynecologic Cancer"
      ],
      "interventions": [
        {
          "name": "Guided Lifestyle Program Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Guided Lifestyle Program (Control Arm)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 40,
      "start_date": "2019-11-01",
      "completion_date": "2022-07-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-16",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04321135"
    },
    {
      "nct_id": "NCT04042493",
      "title": "Connect for Health Pediatric Weight Management Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Severe Obesity"
      ],
      "interventions": [
        {
          "name": "Connect for Health",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 19304,
      "start_date": "2019-11-19",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Boston, Massachusetts • Greenville, South Carolina",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04042493"
    },
    {
      "nct_id": "NCT05841810",
      "title": "Working Towards Empowered Community-driven Approaches to Increase Vaccination and Preventive Care Engagement",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "mHealth Outreach",
          "type": "OTHER"
        },
        {
          "name": "Care Coordination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 398,
      "start_date": "2024-08-20",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 4,
      "location_summary": "El Cajon, California • Escondido, California • La Jolla, California + 1 more",
      "locations": [
        {
          "city": "El Cajon",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05841810"
    },
    {
      "nct_id": "NCT03576274",
      "title": "Combined Technology Enhanced Home Exercise Program and Other Non-pharmacological Intervention for Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer-related Problem/Condition",
        "Exercise",
        "Acupressure"
      ],
      "interventions": [
        {
          "name": "Technology Enhanced Home Exercise (TEHE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auricular Point Acupressure (APA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness body scan (MBI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2019-10-10",
      "completion_date": "2024-09-15",
      "has_results": true,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576274"
    },
    {
      "nct_id": "NCT01453790",
      "title": "Parent Specific Depression Education and Motivation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms"
      ],
      "interventions": [
        {
          "name": "Parent-Specific Depression Education and Motivation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General Depression Education-Motivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 104,
      "start_date": "2011-04",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453790"
    },
    {
      "nct_id": "NCT02994108",
      "title": "txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "txt2protect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2018-01-03",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994108"
    },
    {
      "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": "2026-09-04T20:09:22.523Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06116435"
    },
    {
      "nct_id": "NCT03045276",
      "title": "Urological and Renal Disease Engaging Adolescents in Adherence Collaborative Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spina Bifida",
        "Kidney Transplant"
      ],
      "interventions": [
        {
          "name": "Behavioral Feedback and Economic Incentives: Arm 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Feedback and Economic Incentives: Arm 2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 465,
      "start_date": "2017-06-29",
      "completion_date": "2022-04-09",
      "has_results": true,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-09-04T20:09:22.523Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03045276"
    }
  ]
}