{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+App+Participants+%28APP%29",
    "query": {
      "intervention": "Smartphone App Participants (APP)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1915,
    "total_pages": 192,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone+App+Participants+%28APP%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T16:32:17.117Z",
  "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": "NCT04345952",
      "title": "Calm for Cancer Patients Receiving Chemotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Colorectal"
      ],
      "interventions": [
        {
          "name": "Calm Meditation Mobile App",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": "2022-02",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04345952"
    },
    {
      "nct_id": "NCT06970652",
      "title": "Virtual Reality (VR) for Stress Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress",
        "Resilience",
        "Quality of Life",
        "Depressive Symptoms",
        "Anxiety",
        "Sleep",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "virtual reality",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "City University of New York, School of Public Health",
      "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": 70,
      "start_date": "2023-10-12",
      "completion_date": "2024-05-21",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06970652"
    },
    {
      "nct_id": "NCT05486234",
      "title": "CARS: Cannabis and Alcohol Reduction Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis Use",
        "Alcohol Use, Unspecified",
        "Substance Use",
        "Substance Use Disorders"
      ],
      "interventions": [
        {
          "name": "modified Approach-Avoidance Task (mAAT), which aims to modify automatic approach bias",
          "type": "BEHAVIORAL"
        },
        {
          "name": "modified Approach-Avoidance Task (mAAT) that does not aim to modify automatic approach bias.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 52,
      "start_date": "2023-01-25",
      "completion_date": "2026-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05486234"
    },
    {
      "nct_id": "NCT05944549",
      "title": "Financial Coaching and Lifestyle Intervention for Diabetes Prevention in Low-income Families",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Financial coaching using TrustPlus",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brighter Bites",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Noom",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2023-05-12",
      "completion_date": "2025-02-15",
      "has_results": false,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05944549"
    },
    {
      "nct_id": "NCT06750978",
      "title": "Interventions for PSU Among College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Problematic Smartphone Use"
      ],
      "interventions": [
        {
          "name": "Self-reflection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-reflection + Contingency management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "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": "2024-12-18",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06750978"
    },
    {
      "nct_id": "NCT03517371",
      "title": "Walking and mHealth to Increase Participation in Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "mHealth delivered exercise program",
          "type": "OTHER"
        },
        {
          "name": "Exercise only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University Charles River Campus",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2019-02-04",
      "completion_date": "2024-03-06",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03517371"
    },
    {
      "nct_id": "NCT05325944",
      "title": "Digital Mental Health Intervention for Nonsuicidal Self-Injury in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nonsuicidal Self Injury",
        "Suicidal Ideation",
        "Depression",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Self-guided digital intervention for NSSI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital intervention for NSSI with coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 90,
      "start_date": "2024-08-02",
      "completion_date": "2025-08-18",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05325944"
    },
    {
      "nct_id": "NCT07682714",
      "title": "Capturing Food Intake in Patients Undergoing Radiation Therapy for Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Radiation Therapy",
        "Dietary Intake"
      ],
      "interventions": [
        {
          "name": "Mobile food record using myCircadian Clock app",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-07-10",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07682714"
    },
    {
      "nct_id": "NCT07719114",
      "title": "Benefit of a Clinically Streamlined and Structured Aural Rehabilitation (CSSAR) Program in Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Clinically Streamlined and Structured Aural Rehabilitation (CSSAR)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-09",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07719114"
    },
    {
      "nct_id": "NCT03765255",
      "title": "Personal Responsibility Education Program Innovative Strategies: Digital Initiative for Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reproductive Health",
        "Contraception",
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "In the Know: sexual health education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 1260,
      "start_date": "2017-10-17",
      "completion_date": "2021-03-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-03",
      "last_synced_at": "2026-09-25T16:32:17.117Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03765255"
    }
  ]
}