{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=4",
    "query": {
      "intervention": "Smartphone Text Messaging",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 162,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+Text+Messaging&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T14:56:37.018Z",
  "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": "NCT07581158",
      "title": "Understanding and Targeting Self-Regulatory Control in Bulimia Nervosa",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bulimia Nervosa",
        "Feeding and Eating Disorders",
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "Real fNIRS Neurofeedback",
          "type": "OTHER"
        },
        {
          "name": "Sham-Control fNIRS Neurofeedback",
          "type": "OTHER"
        },
        {
          "name": "SmartPhone Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2026-04-25",
      "completion_date": "2028-12-14",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07581158"
    },
    {
      "nct_id": "NCT04858295",
      "title": "Supporting Self-Management of Healthy Behaviors in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Insufficiency, Chronic",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Texting",
          "type": "DEVICE"
        },
        {
          "name": "mHealth app",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2021-07-26",
      "completion_date": "2023-05-01",
      "has_results": true,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04858295"
    },
    {
      "nct_id": "NCT01917812",
      "title": "mActive: A Blinded, Randomized mHealth Activity Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Digital Activity Tracker",
          "type": "DEVICE"
        },
        {
          "name": "Smart Text Messaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 48,
      "start_date": "2014-01",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01917812"
    },
    {
      "nct_id": "NCT03301012",
      "title": "Smartphone Addiction Recovery Coach for Young Adults (SARC-YA) Experiment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "Recovery support as usual",
          "type": "OTHER"
        },
        {
          "name": "Smartphone assisted relapse prevention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Chestnut Health Systems",
      "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": 237,
      "start_date": "2020-10-30",
      "completion_date": "2024-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-30",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 2,
      "location_summary": "Bloomington, Illinois • Chicago, Illinois",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03301012"
    },
    {
      "nct_id": "NCT03193229",
      "title": "MapTrek to Increase Activity Among Patients at Risk for Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre Diabetes",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "MapTrek",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Philip Polgreen",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 430,
      "start_date": "2017-05-15",
      "completion_date": "2018-05-04",
      "has_results": false,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Coralville, Iowa",
      "locations": [
        {
          "city": "Coralville",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03193229"
    },
    {
      "nct_id": "NCT05464095",
      "title": "The MObile Health InterVEntion in Pulmonary Arterial Hypertension (MOVE PAH) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "mHealth Intervention",
          "type": "DEVICE"
        },
        {
          "name": "Usual Care",
          "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": 100,
      "start_date": "2023-01-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05464095"
    },
    {
      "nct_id": "NCT05598996",
      "title": "The YourMove Study: Optimizing Individualized and Adaptive mHealth Interventions Via Control Systems Engineering Methods",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inactivity, Physical",
        "Sedentary Behavior"
      ],
      "interventions": [
        {
          "name": "COT-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 386,
      "start_date": "2022-10-07",
      "completion_date": "2025-11-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05598996"
    },
    {
      "nct_id": "NCT06205225",
      "title": "iCardia4HF: Multi-component mHealth Intervention for Patients With Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Text4HF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MyApps",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MyApps & Text4HF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2024-10-04",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06205225"
    },
    {
      "nct_id": "NCT07227051",
      "title": "Optimizing Self-Monitoring Feedback Delivery for the Treatment of Overweight and Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity & Overweight",
        "Obesity (Disorder)"
      ],
      "interventions": [
        {
          "name": "Feedback on Calorie Goal Attainment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Feedback on Dietary Quality",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Feedback on Physical Activity Goal Attainment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Goal Setting Prompt",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 300,
      "start_date": "2026-01-26",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227051"
    },
    {
      "nct_id": "NCT07503093",
      "title": "Pilot Study of Sensor-Informed Smartphone-based Mental Health Interventions for Mood in Early Psychosis",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychosis",
        "Anxiety",
        "Depression",
        "Rumination"
      ],
      "interventions": [
        {
          "name": "Smartphone-based Mindfulness Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smartphone-based Psychoeducation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neutral Control Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2027-01-15",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-24T14:56:37.018Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07503093"
    }
  ]
}