{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=19",
    "query": {
      "intervention": "Efficacy Message",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 458,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Efficacy+Message&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T20:03:50.634Z",
  "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": "NCT04484272",
      "title": "A Stress and Pain Self-management m-Health App for Adult Outpatients With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Self-monitoring of pain, stress, and opioid use + alerts/reminders + use of YCWS. [three video banks of RDE + Support]).",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-monitoring of pain, stress, and opioid use + alerts/reminders.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "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": 239,
      "start_date": "2021-04-29",
      "completion_date": "2026-03-13",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04484272"
    },
    {
      "nct_id": "NCT04533594",
      "title": "Improving Self-Efficacy Through a Telenovela: Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "NOVELA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2020-10-23",
      "completion_date": "2023-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04533594"
    },
    {
      "nct_id": "NCT01673100",
      "title": "Physical Activity Telehealth Intervention After Percutaneous Coronary Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Physical Activity Promotion Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2011-03-01",
      "completion_date": "2014-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 2,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01673100"
    },
    {
      "nct_id": "NCT05238519",
      "title": "Improved Diagnosis of Familial Hypercholesterolemia Across the Northland (ID-FH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Familial Hypercholesterolemia",
        "Cholesterol, Elevated",
        "Genetic Disease"
      ],
      "interventions": [
        {
          "name": "Motivational interview (MI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Essentia Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "2 Years to 75 Years"
      },
      "enrollment_count": 257,
      "start_date": "2022-02-15",
      "completion_date": "2025-08-21",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 2,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        },
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05238519"
    },
    {
      "nct_id": "NCT06264700",
      "title": "Applying Directly Observed Therapy to Hydroxyurea to Realize Effectiveness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Video Directly Observed Therapy (VDOT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Reminder Tip Alerts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2024-07-11",
      "completion_date": "2026-07-23",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Columbus, Ohio • Providence, Rhode Island",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264700"
    },
    {
      "nct_id": "NCT04629755",
      "title": "A Smartphone Intervention for Relational and Mental Well Being",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Loneliness",
        "Relation, Interpersonal",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1765,
      "start_date": "2020-04-04",
      "completion_date": "2020-08-03",
      "has_results": false,
      "last_update_posted_date": "2020-11-19",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04629755"
    },
    {
      "nct_id": "NCT06408350",
      "title": "Optimal Intervention to Full Viral Suppression: Text Me, Alexis!",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Text Me, Alexis!",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 71,
      "start_date": "2024-04-11",
      "completion_date": "2025-03-19",
      "has_results": true,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06408350"
    },
    {
      "nct_id": "NCT03317379",
      "title": "Evaluation of the Communities of Healing Mentorship/Support Group Program: Assessment of Preliminary Efficacy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eating Disorder",
        "Anorexia Nervosa",
        "Bulimia Nervosa",
        "Binge-Eating Disorder"
      ],
      "interventions": [
        {
          "name": "Peer mentorship",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social support mentorship",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Recovery Record use with mentor",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "14 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-10-01",
      "completion_date": "2021-06-30",
      "has_results": true,
      "last_update_posted_date": "2021-08-19",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03317379"
    },
    {
      "nct_id": "NCT06456762",
      "title": "Text-messaging Intervention to Support Parents After Their Child's Psychiatric Emergency",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parents",
        "Self Efficacy",
        "Mental Health Literacy",
        "Psychiatric Emergency"
      ],
      "interventions": [
        {
          "name": "iPEACE: Intervention for Parent Education about Care after the ED",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messaging Reminders Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University 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": 90,
      "start_date": "2024-08-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06456762"
    },
    {
      "nct_id": "NCT03730259",
      "title": "An Innovative Tailored Intervention for Improving Children's Postoperative Recovery (WebTIPS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Pain",
        "Postoperative Behavior"
      ],
      "interventions": [
        {
          "name": "Web-based Tailored Intervention Preparation for Surgery",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "1 Year to 12 Years"
      },
      "enrollment_count": 1274,
      "start_date": "2019-04-12",
      "completion_date": "2023-11-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-24T20:03:50.634Z",
      "location_count": 2,
      "location_summary": "Orange, California • Seattle, Washington",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03730259"
    }
  ]
}