{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messaging",
    "query": {
      "condition": "Text Messaging"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 407,
    "total_pages": 41,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messaging&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:25:55.981Z",
  "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": "NCT01764269",
      "title": "Assessing Fever Rates in Children Ages 24 to 59 Months After Live Attenuated Influenza Vaccine (LAIV) or Inactivated Influenza Vaccines (IIV) Using Text Messaging for U.S. Influenza Vaccines in 2012-2013 & 2013-2014",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fever"
      ],
      "interventions": [
        {
          "name": "text message surveillance for fever",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "24 Months",
        "maximum_age": "59 Months",
        "sex": "ALL",
        "summary": "24 Months to 59 Months"
      },
      "enrollment_count": 656,
      "start_date": "2013-01",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-06-24",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • New York, New York",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01764269"
    },
    {
      "nct_id": "NCT07593677",
      "title": "Motivating Activity Through Text Communications - Helping Adults Increase Movement",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Aging",
        "Cognitive Ability",
        "Behavior Change"
      ],
      "interventions": [
        {
          "name": "Text Messaging Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2026-06-01",
      "completion_date": "2027-08-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07593677"
    },
    {
      "nct_id": "NCT06230367",
      "title": "Sexual Health Advocacy for Guys - a Text Messaging-based HIV Prevention Program for Guys Who Are Into Guys",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Sexual health advocacy for guys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy lifestyle control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Center for Innovative Public Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "22 Years",
        "sex": "MALE",
        "summary": "13 Years to 22 Years · Male only"
      },
      "enrollment_count": 5000,
      "start_date": "2024-01-15",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 2,
      "location_summary": "San Clemente, California",
      "locations": [
        {
          "city": "San Clemente",
          "state": "California"
        },
        {
          "city": "San Clemente",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06230367"
    },
    {
      "nct_id": "NCT02069483",
      "title": "Testing Methods of Self-persuasion Involving Cigarette Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2014-04",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069483"
    },
    {
      "nct_id": "NCT04021472",
      "title": "Evaluate Health Coaching Support in Technology-based Interventions for Meeting Health Goals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Disease Prevention"
      ],
      "interventions": [
        {
          "name": "Text message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2019-05-01",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-04-05",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 1,
      "location_summary": "Bedford, Massachusetts",
      "locations": [
        {
          "city": "Bedford",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04021472"
    },
    {
      "nct_id": "NCT06168253",
      "title": "Text Message Safety Behavior Fading for Social Anxiety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Anxiety"
      ],
      "interventions": [
        {
          "name": "Safety Behavior Fading for Social Anxiety",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Unhealthy Behavior Fading",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 201,
      "start_date": "2024-01-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06168253"
    },
    {
      "nct_id": "NCT04560075",
      "title": "Text 2 Connect- Texting Intervention for Mental Health Treatment Utilization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Text2Connect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducational Videos (PE) Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2020-10-01",
      "completion_date": "2021-01-31",
      "has_results": true,
      "last_update_posted_date": "2023-05-19",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 3,
      "location_summary": "McMurray, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "McMurray",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04560075"
    },
    {
      "nct_id": "NCT04055272",
      "title": "A Mobile Text Messaging Intervention for Indoor Tanning Addiction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Indoor Tanning"
      ],
      "interventions": [
        {
          "name": "Mobile text messaging intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 265,
      "start_date": "2020-01-07",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "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/NCT04055272"
    },
    {
      "nct_id": "NCT02724969",
      "title": "A Mobile, Semi-automated Text Message-based Intervention to Prevent Perceived Low or Insufficient Milk Supply",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Feeding"
      ],
      "interventions": [
        {
          "name": "MILK or Text4Baby text message intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 250,
      "start_date": "2017-02-10",
      "completion_date": "2019-05-13",
      "has_results": true,
      "last_update_posted_date": "2025-02-12",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02724969"
    },
    {
      "nct_id": "NCT01276184",
      "title": "Effectiveness of SMS (Short Message Service) Text Messaging in Increasing Adherence to Gardasil",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccines"
      ],
      "interventions": [
        {
          "name": "SMS Text Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "26 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 26 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2011-01",
      "completion_date": "2016-06-15",
      "has_results": true,
      "last_update_posted_date": "2021-07-14",
      "last_synced_at": "2026-05-22T05:25:55.981Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01276184"
    }
  ]
}