{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=3",
    "query": {
      "intervention": "Targeted messaging",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 279,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T08:02:57.758Z",
  "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": "NCT06208839",
      "title": "Mobile Technologies Extending Reach of Primary Care for Substance Use Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "SBIRT/eIntervention for those with moderate risk drug or alcohol use",
          "type": "DEVICE"
        },
        {
          "name": "SBIRT/eIntervention those assessed with high risk.",
          "type": "DEVICE"
        },
        {
          "name": "SBIRT/TAU for those with moderate risk drug or alcohol use",
          "type": "OTHER"
        },
        {
          "name": "SBIRT/TAU for those assessed with high risk.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Chess Mobile Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 117,
      "start_date": "2024-03-25",
      "completion_date": "2026-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06208839"
    },
    {
      "nct_id": "NCT01317277",
      "title": "Personalized Text Messages to Improve Antiretroviral Treatment (ART) Adherence in HIV+ Methamphetamine Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "AIDS"
      ],
      "interventions": [
        {
          "name": "individualized Texting for Adherence Building (iTAB)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2011-04",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2021-08-27",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01317277"
    },
    {
      "nct_id": "NCT01748110",
      "title": "Health Interventions in Men Undergoing Radical Prostatectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer",
        "Erectile Dysfunction Following Radical Prostatectomy",
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Intensive Fitness Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TRIMM",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "40 Years to 65 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2012-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-01-26",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01748110"
    },
    {
      "nct_id": "NCT06205225",
      "title": "iCardia4HF: Multi-component mHealth Intervention for Patients With Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Text4HF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MyApps",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MyApps & Text4HF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "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": 360,
      "start_date": "2024-10-04",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06205225"
    },
    {
      "nct_id": "NCT03774368",
      "title": "Targeted Video Messaging About Emergency Contraception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Emergency contraception website",
          "type": "OTHER"
        },
        {
          "name": "Emergency contraception video",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Planned Parenthood League of Massachusetts",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 29 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2019-01-15",
      "completion_date": "2019-06-07",
      "has_results": false,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03774368"
    },
    {
      "nct_id": "NCT03842384",
      "title": "Digital Health Intervention to Support Opioid Use Disorder Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Treatment Adherence"
      ],
      "interventions": [
        {
          "name": "iENDURE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rhode Island Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2020-10-01",
      "completion_date": "2023-11-15",
      "has_results": false,
      "last_update_posted_date": "2024-04-10",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03842384"
    },
    {
      "nct_id": "NCT06934213",
      "title": "Experiment 3: Mixed vs Blocked; Dashboard Paradigm",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision",
        "Healthy",
        "Attention"
      ],
      "interventions": [
        {
          "name": "Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mixed trials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-06-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06934213"
    },
    {
      "nct_id": "NCT04867850",
      "title": "Effect of Behavioral Nudges on Serious Illness Conversation Documentation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "OTHER"
        },
        {
          "name": "Clinician Nudge",
          "type": "OTHER"
        },
        {
          "name": "Patient Nudge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4450,
      "start_date": "2021-09-09",
      "completion_date": "2022-09-09",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04867850"
    },
    {
      "nct_id": "NCT06085560",
      "title": "Choose It and Use It: Choice, Implementation Intentions and At-Home Colorectal Cancer Screening",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Usual Care Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Implementation Intention Intervention: Standard Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Implementation Intention Intervention: Culturally-Targeted Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "45 Years to 72 Years"
      },
      "enrollment_count": 600,
      "start_date": "2023-07-12",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06085560"
    },
    {
      "nct_id": "NCT02124460",
      "title": "Connect 4 Health: An Intervention to Improve Childhood Obesity Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Health Coaching",
          "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": 721,
      "start_date": "2014-06",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2017-04-10",
      "last_synced_at": "2026-10-21T08:02:57.758Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02124460"
    }
  ]
}