{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=21",
    "query": {
      "intervention": "Control text messaging",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 842,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T13:52:38.403Z",
  "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": "NCT03049748",
      "title": "Self-Management App for Patients With Left-Ventricular Assist Devices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Mobile phone app (VAD Care App)",
          "type": "DEVICE"
        },
        {
          "name": "Usual LVAD Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2017-01-30",
      "completion_date": "2019-07-01",
      "has_results": true,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Lincoln, Nebraska • New York, New York",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03049748"
    },
    {
      "nct_id": "NCT05090514",
      "title": "Ready to Read: Ready to Read: A School-Based Intervention to Promote Growth Mindset and Reading",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reading"
      ],
      "interventions": [
        {
          "name": "Reading and Growth Mindset",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wait-list Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "5 Years to 9 Years"
      },
      "enrollment_count": 37,
      "start_date": "2021-11-02",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-09-10",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05090514"
    },
    {
      "nct_id": "NCT05616026",
      "title": "Texts for Diabetes Control Among Homeless Persons",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-02-07",
      "completion_date": "2026-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • New York, New York",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616026"
    },
    {
      "nct_id": "NCT07823478",
      "title": "HEALTH Home Urinalysis Testing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Home Urine Testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2026-09-08",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07823478"
    },
    {
      "nct_id": "NCT04978129",
      "title": "Enhancing Quality in Protective Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Risk Behaviors",
        "Risk Reduction Behavior"
      ],
      "interventions": [
        {
          "name": "Online and Text Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Texas Health Science Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 162,
      "start_date": "2023-08-15",
      "completion_date": "2025-04-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04978129"
    },
    {
      "nct_id": "NCT04013295",
      "title": "Prize-linked Savings Initiatives for Promoting Better Health and Economic Outcomes in Kenya",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "Prize-linked savings",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2018-09-03",
      "completion_date": "2018-12-18",
      "has_results": false,
      "last_update_posted_date": "2023-04-21",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04013295"
    },
    {
      "nct_id": "NCT07414732",
      "title": "Testing the Effectiveness of a Novel Intervention to Improve Medication Adherence in Stroke Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Intracerebral Haemorrhage",
        "Ischemic Stroke",
        "TIA (Transient Ischemic Attack)"
      ],
      "interventions": [
        {
          "name": "Savvy Medication Adherence Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 150,
      "start_date": "2026-03-31",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07414732"
    },
    {
      "nct_id": "NCT06181253",
      "title": "The Impact of Prehabilitation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Complications"
      ],
      "interventions": [
        {
          "name": "Preoperative education",
          "type": "OTHER"
        },
        {
          "name": "Moderate aerobic exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "OTHER"
        },
        {
          "name": "Pedometer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 3,
      "start_date": "2024-05-02",
      "completion_date": "2025-12-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06181253"
    },
    {
      "nct_id": "NCT01688245",
      "title": "A Text Message Behavioral Intervention to Reduce Alcohol Consumption in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Consumption",
        "Alcohol Intoxication"
      ],
      "interventions": [
        {
          "name": "SMS Assessments & Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS Assessments",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 765,
      "start_date": "2012-11",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01688245"
    },
    {
      "nct_id": "NCT02412865",
      "title": "Quit4Baby Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Quit4Baby",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text4Baby",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 44 Years · Female only"
      },
      "enrollment_count": 505,
      "start_date": "2015-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-02-26",
      "last_synced_at": "2026-10-27T13:52:38.403Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02412865"
    }
  ]
}