{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Happify",
    "query": {
      "intervention": "Happify"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T06:06:08.174Z",
  "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": "NCT04068805",
      "title": "Developing Affective HeaLth to Improve Adherence to Health Behaviors in Diabetes (DAHLIA II)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Happify",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Happify Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2020-08-31",
      "completion_date": "2022-07-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-19",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04068805"
    },
    {
      "nct_id": "NCT03233022",
      "title": "An Online Trial of Five Well-being Programs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Well-being"
      ],
      "interventions": [
        {
          "name": "Happify",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Happify Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14000,
      "start_date": "2016-02",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03233022"
    },
    {
      "nct_id": "NCT04094792",
      "title": "Depression, Trauma, and Health: Efficacy of an mHealth App for Symptom Self-Management in College Students",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Happify Breather App",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Donna Schuman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-11-05",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-01-04",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04094792"
    },
    {
      "nct_id": "NCT03306654",
      "title": "Efficacy of Three Online Well-Being Programs to Improve Work-Related Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Well-being"
      ],
      "interventions": [
        {
          "name": "Happify",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Happify Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6000,
      "start_date": "2017-10-24",
      "completion_date": "2018-03-14",
      "has_results": false,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03306654"
    },
    {
      "nct_id": "NCT04112225",
      "title": "Testing the Effectiveness of an Online Behavioral Intervention in Reducing Loneliness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychological Distress",
        "Loneliness"
      ],
      "interventions": [
        {
          "name": "Happify",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Happify Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 890,
      "start_date": "2019-08-01",
      "completion_date": "2020-03-25",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112225"
    },
    {
      "nct_id": "NCT04567888",
      "title": "Testing a Digital Intervention for Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rumination",
        "Stress, Psychological"
      ],
      "interventions": [
        {
          "name": "Happify Teens",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Happify Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 353,
      "start_date": "2021-06-03",
      "completion_date": "2022-04-11",
      "has_results": true,
      "last_update_posted_date": "2024-08-15",
      "last_synced_at": "2026-09-10T06:06:08.174Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04567888"
    }
  ]
}