{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=3",
    "query": {
      "intervention": "Smartphone Text Messaging",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 162,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T07:20:53.335Z",
  "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": "NCT07114900",
      "title": "Randomized Controlled Physical Activity App Intervention for Black Women",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "PA4Health app physical activity intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness Text Messaging Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2025-03-09",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-03",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07114900"
    },
    {
      "nct_id": "NCT07170202",
      "title": "The Increasing Mindfulness Engagement Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Participants",
        "Feasibility Studies",
        "Acceptability"
      ],
      "interventions": [
        {
          "name": "Mindfulness Smartphone Application",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Florida State University",
      "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": 40,
      "start_date": "2025-09-30",
      "completion_date": "2027-08-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07170202"
    },
    {
      "nct_id": "NCT03069716",
      "title": "A Mobile Health Intervention in Pulmonary Arterial Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension",
        "Idiopathic Pulmonary Arterial Hypertension",
        "Heritable Pulmonary Arterial Hypertension",
        "Associated Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Smartphone Text Messaging",
          "type": "DEVICE"
        },
        {
          "name": "Fitbit Charge HR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2017-08-02",
      "completion_date": "2020-04-24",
      "has_results": true,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03069716"
    },
    {
      "nct_id": "NCT02504658",
      "title": "Mobile Motivation for Health Promotion Among Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Lifestyle text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "BodiMojo, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "16 Years to 22 Years"
      },
      "enrollment_count": 90,
      "start_date": "2011-12",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2015-07-22",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02504658"
    },
    {
      "nct_id": "NCT07153029",
      "title": "Older Adults, Methadone, and Cognitive Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use Disorder",
        "Cognitive Ability General"
      ],
      "interventions": [
        {
          "name": "Smartphone based cognitive tasks",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2025-12-03",
      "completion_date": "2026-07-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07153029"
    },
    {
      "nct_id": "NCT05188287",
      "title": "A Culturally Tailored Smartphone Application for African American Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "HealthyCells",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-02-03",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05188287"
    },
    {
      "nct_id": "NCT07493252",
      "title": "A Behavioral Application for Improving Smoking Cessation Among Smokers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Smartphone app-based Intervention (Actify! A app)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smartphone app-based Intervention (Actify! B app)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1812,
      "start_date": "2026-11-01",
      "completion_date": "2029-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07493252"
    },
    {
      "nct_id": "NCT05127850",
      "title": "MENCORE-2: Audio Recordings to Improve Decision-making in Advanced Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer",
        "Metastatic Prostate Cancer",
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Consultation audio recording app",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 51,
      "start_date": "2022-03-22",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05127850"
    },
    {
      "nct_id": "NCT02731326",
      "title": "iPhone Helping Evaluate Atrial Fibrillation Rhythm Through Technology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "AliveCor",
          "type": "DEVICE"
        },
        {
          "name": "Behavioral Altering Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 264,
      "start_date": "2015-03",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02731326"
    },
    {
      "nct_id": "NCT03642275",
      "title": "Patient-centered Mobile Health Intervention to Improve Self-care in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "iCardia4HF",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2019-01-21",
      "completion_date": "2021-02-15",
      "has_results": true,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-24T07:20:53.335Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03642275"
    }
  ]
}