{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=20",
    "query": {
      "condition": "Text Messages",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 459,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Text+Messages&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T11:21:20.809Z",
  "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": "NCT02454660",
      "title": "Improving Adherence and Outcomes by Artificial Intelligence-Adapted Text Messages",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Medication Non-adherence"
      ],
      "interventions": [
        {
          "name": "SMS (Text messages)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2015-05",
      "completion_date": "2016-11-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Grand Rapids, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454660"
    },
    {
      "nct_id": "NCT01577797",
      "title": "A Cognitive Behavioral Therapy-Based Text Messaging Intervention for Methamphetamine Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Methamphetamine Dependence"
      ],
      "interventions": [
        {
          "name": "Text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New Leaf Treatment Center",
      "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": "2012-04",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-07-10",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Lafayette, California",
      "locations": [
        {
          "city": "Lafayette",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01577797"
    },
    {
      "nct_id": "NCT04919590",
      "title": "Text Message Quit Vaping Intervention for Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Cessation, Tobacco"
      ],
      "interventions": [
        {
          "name": "This is Quitting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessment only control",
          "type": "OTHER"
        },
        {
          "name": "Waitlist control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Truth Initiative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 1681,
      "start_date": "2021-10-01",
      "completion_date": "2023-10-18",
      "has_results": true,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "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/NCT04919590"
    },
    {
      "nct_id": "NCT01995097",
      "title": "BABY STEPS II: SMS Scheduled Gradual Reduction Text Messages to Help Pregnant Smokers Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Scheduled Gradual Reduction Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support 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": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 331,
      "start_date": "2014-03",
      "completion_date": "2018-02-20",
      "has_results": false,
      "last_update_posted_date": "2019-02-08",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01995097"
    },
    {
      "nct_id": "NCT05925816",
      "title": "Guided Feedback in an Online Game Impacts Decision Making",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms"
      ],
      "interventions": [
        {
          "name": "Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neutral game",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Bard College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2022-02-02",
      "completion_date": "2022-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Annandale-on-Hudson, New York",
      "locations": [
        {
          "city": "Annandale-on-Hudson",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05925816"
    },
    {
      "nct_id": "NCT05503186",
      "title": "Text Intervention to Facilitate Secure Storage and Disposal of Prescription Opioids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Misuse"
      ],
      "interventions": [
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 479,
      "start_date": "2024-06-14",
      "completion_date": "2024-12-09",
      "has_results": true,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05503186"
    },
    {
      "nct_id": "NCT03294590",
      "title": "Interactive Parent-Targeted Text Messaging in Pediatric Clinics to Reduce Caries Among Urban Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caries, Dental",
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "OHT Parent targeted text messages",
          "type": "OTHER"
        },
        {
          "name": "CWT Parent targeted text messages",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "0 Months to 7 Years"
      },
      "enrollment_count": 754,
      "start_date": "2018-03-09",
      "completion_date": "2022-02-28",
      "has_results": true,
      "last_update_posted_date": "2023-10-24",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294590"
    },
    {
      "nct_id": "NCT03930849",
      "title": "Pilot Study of Annie Text Messaging for Depression Treatment Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "AIMS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AIMS plus",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 53,
      "start_date": "2019-06-21",
      "completion_date": "2020-06-30",
      "has_results": true,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930849"
    },
    {
      "nct_id": "NCT02191033",
      "title": "Text Messaging for Smoking Cessation in College Health Clinics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Smoking counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Yale University",
      "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": 40,
      "start_date": "2015-01",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-04-01",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02191033"
    },
    {
      "nct_id": "NCT05791955",
      "title": "UCLA Health Patient Health Maintenance With Interactive Text Reminder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Maintenance",
        "Diabetes",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Reminder of preventive care measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Acknowledgement of personal responsibility",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Planning prompt",
          "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": 10751,
      "start_date": "2023-05-23",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-10-22T11:21:20.809Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05791955"
    }
  ]
}