{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=18",
    "query": {
      "condition": "Text Messages",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 459,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T08:04:09.931Z",
  "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": "NCT05793788",
      "title": "UCLA Health Patient Health Maintenance Outreach Text Message",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Maintenance",
        "Diabetes",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Outreach Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Specific",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Elevating Intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prompting Action",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40912,
      "start_date": "2023-03-09",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05793788"
    },
    {
      "nct_id": "NCT05535777",
      "title": "Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Enhanced texts with Callback by a Person",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Bidirectional Texts",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 246295,
      "start_date": "2022-09-13",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05535777"
    },
    {
      "nct_id": "NCT03312270",
      "title": "Strategies to Accommodate Reading (STAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphasia"
      ],
      "interventions": [
        {
          "name": "Multimodality information comprehension",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Miami University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "19 Years to 90 Years"
      },
      "enrollment_count": 152,
      "start_date": "2018-05-01",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-10-06",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 2,
      "location_summary": "Oxford, Ohio • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Oxford",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03312270"
    },
    {
      "nct_id": "NCT02093884",
      "title": "A Pilot Study Using Text Messaging to Communicate With Adolescent Females in the Pediatric Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Text Messaging Intervention",
          "type": "OTHER"
        },
        {
          "name": "Standard Referral",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 19 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2014-01",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Manhattan, New York",
      "locations": [
        {
          "city": "Manhattan",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02093884"
    },
    {
      "nct_id": "NCT02568514",
      "title": "Study of the Effect on Clinical Outcomes Using Secure Text Messaging",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Diabetes",
        "Renal Failure",
        "Copd"
      ],
      "interventions": [
        {
          "name": "Secure text messaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-08",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-04-10",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02568514"
    },
    {
      "nct_id": "NCT05586165",
      "title": "Effects of Prompt to Bundle COVID-19 Booster and Flu Shot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Vaccines"
      ],
      "interventions": [
        {
          "name": "Reminder to boost protection against COVID-19",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Flu Tag Along",
          "type": "BEHAVIORAL"
        },
        {
          "name": "COVID-19 Booster & Flu Bundle",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 109493,
      "start_date": "2022-10-18",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05586165"
    },
    {
      "nct_id": "NCT04939519",
      "title": "SCALE-UP Utah: Community-Academic Partnership to Address COVID-19 Vaccination Rates Among Utah Community Health Centers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Text-Messaging (TM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Navigation (PN)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65300,
      "start_date": "2021-03-29",
      "completion_date": "2023-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04939519"
    },
    {
      "nct_id": "NCT07593677",
      "title": "Motivating Activity Through Text Communications - Helping Adults Increase Movement",
      "overall_status": "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": "2026-05-11",
      "completion_date": "2027-08-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07593677"
    },
    {
      "nct_id": "NCT02613689",
      "title": "Addressing Tobacco Use Disparities Through an Innovative Mobile Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Scheduled Gradual Reduction (SGR)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messages",
          "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": 100,
      "start_date": "2016-02",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-01-16",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02613689"
    },
    {
      "nct_id": "NCT02872454",
      "title": "Psychotherapeutic Text Messaging for Depression Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 190,
      "start_date": "2015-04",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-08-19",
      "last_synced_at": "2026-10-22T08:04:09.931Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872454"
    }
  ]
}