{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=20",
    "query": {
      "intervention": "Messaging",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 3121,
    "total_pages": 313,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T09:52:10.248Z",
  "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": "NCT02342912",
      "title": "Social Media Obesity Treatment for College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Social Media Treatments",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 450,
      "start_date": "2015-02",
      "completion_date": "2019-08",
      "has_results": false,
      "last_update_posted_date": "2020-02-10",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Boston, Massachusetts",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02342912"
    },
    {
      "nct_id": "NCT03221465",
      "title": "Project LIFT - Promoting Healthy Behavior Through a Wearable Fitness Device and Financial Incentives",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Transplant; Complications",
        "Liver Transplant; Complications",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Self-monitoring of physical activity with incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care and self-monitoring of physical activity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2017-03-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-02-28",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03221465"
    },
    {
      "nct_id": "NCT07185828",
      "title": "Informing Low-acuity Emergency Department Patients of Non-emergent Resources (2)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emergency Service, Hospital",
        "Behavior Change Interventions"
      ],
      "interventions": [
        {
          "name": "Contact your PCP",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Use Intelligent Triage",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8286,
      "start_date": "2025-04-15",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07185828"
    },
    {
      "nct_id": "NCT05172219",
      "title": "Evaluation of Electronic Portal Messaging and Embedded Asynchronous Care on Physician-Assisted Smoking Quit Attempts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Physician Sent Outreach with Embedded Asynchronous Care in Portal Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician Sent Outreach without Embedded Asynchronous Care in Portal Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "System Sent Outreach with Embedded Asynchronous Care in Portal Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "System Sent Outreach without Embedded Asynchronous Care in Portal Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oklahoma State University Center for Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2020-01-13",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-29",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05172219"
    },
    {
      "nct_id": "NCT02330419",
      "title": "Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Binge Drinking",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Medical Management (MM) counseling for alcohol use:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Urinalysis for novel alcohol biochemical markers:",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral survey measurements:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dried Blood Spot (DSB) Testing for Phosphatidylethanol",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ecological Momentary Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2015-04",
      "completion_date": "2021-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330419"
    },
    {
      "nct_id": "NCT03834428",
      "title": "IText For ICOUGH: Improving Ambulation of Surgical Patients Through Text Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ambulation Difficulty"
      ],
      "interventions": [
        {
          "name": "Text Message Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ICOUGH protocol",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2019-03-21",
      "completion_date": "2019-07-13",
      "has_results": false,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834428"
    },
    {
      "nct_id": "NCT03558828",
      "title": "Testing Adaptive Interventions to Improve Physical Activity for Sedentary Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Step 1: PA Monitor",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 1: PA Monitor + Text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2: PA Monitor with Calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2: PA Monitor with Meetings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2: PA Monitor + Texts with Calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 2: PA Monitor + Texts with Meetings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Step 3: PA Monitor",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 301,
      "start_date": "2018-08-24",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03558828"
    },
    {
      "nct_id": "NCT03470753",
      "title": "Impact of Home Exercise Delivery on Compliance & Outcomes for Musculoskeletal Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Compliance, Patient",
        "Chronic Low Back Pain",
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "Number of Exercises",
          "type": "OTHER"
        },
        {
          "name": "Type of Instruction",
          "type": "OTHER"
        },
        {
          "name": "Delivery Type",
          "type": "OTHER"
        },
        {
          "name": "Mobile Reminder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dan Rhon",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 116,
      "start_date": "2018-01-12",
      "completion_date": "2019-11-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03470753"
    },
    {
      "nct_id": "NCT04332172",
      "title": "Scaling Up: A Multi-Site Trial of e-SBI for Alcohol Use in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fetal Alcohol Spectrum Disorders",
        "Fetal Alcohol Syndrome",
        "Fetal Alcohol Effect"
      ],
      "interventions": [
        {
          "name": "General information",
          "type": "OTHER"
        },
        {
          "name": "Baseline brief intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remote online booster sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2023-05-19",
      "completion_date": "2025-08-31",
      "has_results": true,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04332172"
    },
    {
      "nct_id": "NCT02958475",
      "title": "Mother's Milk Messaging: Evaluation of a Bilingual Application (APP) to Support Initiation and Exclusive Breastfeeding in New Mothers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breastfeeding"
      ],
      "interventions": [
        {
          "name": "Social Support Group (Facebook)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breastfeeding messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Injury Prevention Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 346,
      "start_date": "2017-09-25",
      "completion_date": "2020-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-26",
      "last_synced_at": "2026-10-23T09:52:10.248Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02958475"
    }
  ]
}