{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone-based+intervention+messages",
    "query": {
      "intervention": "Smartphone-based intervention messages"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 132,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smartphone-based+intervention+messages&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T11:31:56.892Z",
  "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": "NCT07556380",
      "title": "Sun Exposure and Activities After Skin Cancer: Optimization of mHealth Interventions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melanoma (Skin Cancer)"
      ],
      "interventions": [
        {
          "name": "UV Real-Time Alerts",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Track Your Sun Protection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current Conditions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Action Planning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Core Components",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2025-04-01",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07556380"
    },
    {
      "nct_id": "NCT05305235",
      "title": "RCT for Innovating Stress-related eHealth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Sexual Assault",
        "Pain"
      ],
      "interventions": [
        {
          "name": "RISE Guide",
          "type": "DEVICE"
        },
        {
          "name": "Relaxation Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2021-12-01",
      "completion_date": "2024-02-24",
      "has_results": true,
      "last_update_posted_date": "2025-03-05",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Austin, Texas",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05305235"
    },
    {
      "nct_id": "NCT07804914",
      "title": "Integrated Digital Health Approach to Reduce Hazardous Alcohol Use and Chronic Pain Among Rural Populations",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Unhealthy Alcohol Use"
      ],
      "interventions": [
        {
          "name": "Mobile Intervention for Alcohol and Pain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 260,
      "start_date": "2027-02-01",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07804914"
    },
    {
      "nct_id": "NCT06965296",
      "title": "AI-Enhanced App-based Intervention for Adolescent E-cigarette Cessation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence, Cigarettes"
      ],
      "interventions": [
        {
          "name": "AI-enhanced smartphone app",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AI-enhanced smartphone app, but with delayed access",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "14 Years to 20 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-08-24",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06965296"
    },
    {
      "nct_id": "NCT06994962",
      "title": "Multi-Component Breath Alcohol Intervention Phase 3",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use",
        "Alcohol Drinking",
        "Drinking Behavior"
      ],
      "interventions": [
        {
          "name": "Alcohol-related mobile health technologies",
          "type": "DEVICE"
        },
        {
          "name": "Motivational interview and psychoeducation on blood/breath alcohol concentration",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lower tech facilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Higher tech facilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Alcohol Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Alcohol Education Technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Northeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 90,
      "start_date": "2025-05-01",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06994962"
    },
    {
      "nct_id": "NCT05052281",
      "title": "Promoting Healthy Brain Development: Wellness for 2 Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prenatal Stress"
      ],
      "interventions": [
        {
          "name": "Mothers and Babies (MB) Course",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Just in Time Intervention (JITI) Content",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Biostamp nPoint Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2019-07-15",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05052281"
    },
    {
      "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": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07493252"
    },
    {
      "nct_id": "NCT04043650",
      "title": "Developing Dynamic Theories for Behavior Change",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "HeartSteps",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 97,
      "start_date": "2020-06-10",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-24",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04043650"
    },
    {
      "nct_id": "NCT03740490",
      "title": "Smartphone Based Smoking Cessation Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smart-T + NRT",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "QuitGuide + NRT",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "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": 454,
      "start_date": "2019-08-26",
      "completion_date": "2023-11-17",
      "has_results": true,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03740490"
    },
    {
      "nct_id": "NCT05109325",
      "title": "Project IntERact V2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Firearm Violence",
        "Firearm Carriage",
        "Injury Prevention"
      ],
      "interventions": [
        {
          "name": "IntERact",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "16 Years to 30 Years"
      },
      "enrollment_count": 373,
      "start_date": "2022-01-24",
      "completion_date": "2025-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-06T11:31:56.892Z",
      "location_count": 3,
      "location_summary": "Ann Arbor, Michigan • Flint, Michigan • Saginaw, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Flint",
          "state": "Michigan"
        },
        {
          "city": "Saginaw",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05109325"
    }
  ]
}