{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=8",
    "query": {
      "intervention": "Targeted messaging",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 279,
    "total_pages": 28,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Targeted+messaging&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T20:20:57.911Z",
  "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": "NCT05776966",
      "title": "Women's Opioid Treatment Follow-up Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Gender-specific digital intervention (GSDI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Mclean Hospital",
      "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": 39,
      "start_date": "2024-03-08",
      "completion_date": "2025-10-16",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05776966"
    },
    {
      "nct_id": "NCT03866811",
      "title": "Reducing Teen Pregnancy in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reproductive Behavior",
        "Sexual Behavior",
        "Adolescent Behavior",
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Dr. Erica",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 19 Years · Female only"
      },
      "enrollment_count": 146,
      "start_date": "2019-03-03",
      "completion_date": "2020-07-02",
      "has_results": true,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03866811"
    },
    {
      "nct_id": "NCT04261985",
      "title": "A Mobile Phone Based Pilot Intervention to Prevent Obesity in Latino Preschool Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity",
        "Parenting",
        "Mobile Phone Use"
      ],
      "interventions": [
        {
          "name": "healthy weight behaviors supported by web-based mobile phone application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2020-06-08",
      "completion_date": "2021-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-16",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04261985"
    },
    {
      "nct_id": "NCT05180448",
      "title": "Sharing Digital Self-Monitoring Data With Others to Enhance Long-Term Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Coach Share On",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group Share On",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Friend/Family Share On",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coach Share Off",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group Share Off",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Friend/Family Share Off",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral Weight Loss Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Drexel University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 321,
      "start_date": "2022-01-03",
      "completion_date": "2025-07-30",
      "has_results": true,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05180448"
    },
    {
      "nct_id": "NCT05713916",
      "title": "Effect of a Targeted Notification and Clinical Support Pathway on Individuals With Left Ventricular Hypertrophy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertrophy, Left Ventricular",
        "Hypertension",
        "Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "Intervention: Population Health Coordinator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 648,
      "start_date": "2023-03-20",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05713916"
    },
    {
      "nct_id": "NCT07228065",
      "title": "Fixed-Dose Combinations Pragmatic Randomized Implementation Trial for Blood Pressure Control",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Primary Care"
      ],
      "interventions": [
        {
          "name": "Provider nudge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient nudge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharmacist Virtual Visit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 720,
      "start_date": "2026-08-07",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07228065"
    },
    {
      "nct_id": "NCT04304001",
      "title": "Test Up Now Education Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Community Health Advisor",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "45 Years to 64 Years"
      },
      "enrollment_count": 115,
      "start_date": "2021-04-07",
      "completion_date": "2024-02-12",
      "has_results": true,
      "last_update_posted_date": "2024-10-29",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04304001"
    },
    {
      "nct_id": "NCT03987490",
      "title": "Usability of HPV Vaccine Reminders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus (HPV)"
      ],
      "interventions": [
        {
          "name": "Text Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PostCard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interview",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 325,
      "start_date": "2015-12-01",
      "completion_date": "2016-12-15",
      "has_results": false,
      "last_update_posted_date": "2020-05-19",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03987490"
    },
    {
      "nct_id": "NCT04396678",
      "title": "Developing a PrEP Adherence Intervention Targeting At-Risk and Substance Using Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "PrEP standard of care+behavioral intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2019-06-12",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-08-31",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04396678"
    },
    {
      "nct_id": "NCT02266277",
      "title": "System Alignment for VaccinE Delivery (SAVED): Improving Rates of Influenza and Pneumococcal Vaccination Through Patient Outreach, Improved Medical Record Accuracy and Targeted Physician Alerts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Infections, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "Arm 1: E-portal message with IVR call",
          "type": "OTHER"
        },
        {
          "name": "Arm 2: E-portal message with no IVR call",
          "type": "OTHER"
        },
        {
          "name": "Arm 3: No e-portal message with IVR call",
          "type": "OTHER"
        },
        {
          "name": "Arm 5: IVR call",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30000,
      "start_date": "2014-11",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-10-21T20:20:57.911Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02266277"
    }
  ]
}