{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+messaging&page=4",
    "query": {
      "intervention": "Text messaging",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1878,
    "total_pages": 188,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+messaging&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+messaging&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T06:00:51.957Z",
  "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": "NCT03109431",
      "title": "Stepped Care for Youth Living With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Mental Health",
        "Illicit Substance Use",
        "Sexually Transmitted Infections (STI)"
      ],
      "interventions": [
        {
          "name": "Level 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Level 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Level 3",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 170,
      "start_date": "2017-05-06",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-06",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • New Orleans, Louisiana",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03109431"
    },
    {
      "nct_id": "NCT04052386",
      "title": "Brief Alcohol Screening for Community College Students (BASICCS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol; Use, Problem"
      ],
      "interventions": [
        {
          "name": "BASICCS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 142,
      "start_date": "2017-01-20",
      "completion_date": "2017-06-26",
      "has_results": false,
      "last_update_posted_date": "2019-08-09",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04052386"
    },
    {
      "nct_id": "NCT04594109",
      "title": "Development of a Tailored Smoking Cessation Program for Individuals With HIV Infection in Washington, D.C.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Tailored behavioral counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2017-06-30",
      "completion_date": "2018-01-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-19",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "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/NCT04594109"
    },
    {
      "nct_id": "NCT01171599",
      "title": "PACE-CALL: A Weight Control Intervention for Survivors of Childhood Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Weight Maintenance"
      ],
      "interventions": [
        {
          "name": "Fit4Life",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 12,
      "start_date": "2008-08",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-06-11",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01171599"
    },
    {
      "nct_id": "NCT04344587",
      "title": "Awake Prone Position for Early Hypoxemia in COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Self-prone position recommendation",
          "type": "OTHER"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 305,
      "start_date": "2020-04-23",
      "completion_date": "2021-05-07",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 12,
      "location_summary": "Long Beach, California • San Diego, California • Denver, Colorado + 9 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04344587"
    },
    {
      "nct_id": "NCT02437149",
      "title": "Effectiveness of Distracted Driving Campaign",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trauma Prevention"
      ],
      "interventions": [
        {
          "name": "Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Power Point",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brochure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nicklaus Children's Hospital f/k/a Miami Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "15 Years to 18 Years"
      },
      "enrollment_count": 273,
      "start_date": "2015-06",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-05-05",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437149"
    },
    {
      "nct_id": "NCT03203655",
      "title": "Text Based Mobile Technology and Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "CareMessage™",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 65 Years · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2017-11-27",
      "completion_date": "2019-01-31",
      "has_results": false,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03203655"
    },
    {
      "nct_id": "NCT06621992",
      "title": "Skills to Enhance Positivity in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Positive Affect",
        "Mindfulness",
        "Gratitude",
        "Savoring",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Skills to Enhance Positivity",
          "type": "OTHER"
        },
        {
          "name": "Treatment as Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rhode Island Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 53,
      "start_date": "2016-12",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06621992"
    },
    {
      "nct_id": "NCT04924803",
      "title": "Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Drugs",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "No video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NDRI-USA, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 545,
      "start_date": "2022-06-21",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04924803"
    },
    {
      "nct_id": "NCT05666323",
      "title": "Increasing Treatment for Obesity Among Underserved Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Single Text Messaging (TM1)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Navigation (PN)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiple Text Messaging (TM+)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "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": "2022-03-23",
      "completion_date": "2023-02-08",
      "has_results": false,
      "last_update_posted_date": "2024-05-31",
      "last_synced_at": "2026-10-18T06:00:51.957Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05666323"
    }
  ]
}