{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Email+message",
    "query": {
      "intervention": "Email message"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 338,
    "total_pages": 34,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Email+message&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T19:42:13.884Z",
  "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": "NCT04194918",
      "title": "Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Handout",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-05-18",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04194918"
    },
    {
      "nct_id": "NCT01282957",
      "title": "Way to Health, Healthy Measures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Financial Incentive Group I",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentive Group II",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 75,
      "start_date": "2011-02",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2016-08-25",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01282957"
    },
    {
      "nct_id": "NCT04247620",
      "title": "DiaBetter Together for Young Adults With Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "DiaBetter Together",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Mentor Delivery",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "17 Years to 35 Years"
      },
      "enrollment_count": 144,
      "start_date": "2020-12-15",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247620"
    },
    {
      "nct_id": "NCT07485491",
      "title": "Enhancing Cardiac Rehabilitation Attendance After Secondary Myocardial Infarction Through Clinician Messaging and Motivational Calls",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "Clinician-level intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient-level intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-06",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07485491"
    },
    {
      "nct_id": "NCT03990389",
      "title": "Tracking Depression Symptoms With a Health Chatbot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression, Postpartum",
        "Depression, Unipolar"
      ],
      "interventions": [
        {
          "name": "Chatbot Intervention",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2019-02-20",
      "completion_date": "2020-02-29",
      "has_results": true,
      "last_update_posted_date": "2022-05-12",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Skokie, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990389"
    },
    {
      "nct_id": "NCT06300242",
      "title": "Incentives for Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza Vaccination"
      ],
      "interventions": [
        {
          "name": "Reminders",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69972,
      "start_date": "2024-01-17",
      "completion_date": "2024-02-29",
      "has_results": false,
      "last_update_posted_date": "2024-05-13",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Martinez, California",
      "locations": [
        {
          "city": "Martinez",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06300242"
    },
    {
      "nct_id": "NCT05400161",
      "title": "Social Media-Based Parenting Program for Women With Postpartum Depressive Symptoms: Impact on Child Development",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postpartum Depression",
        "Parenting",
        "Parent-Child Relations",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "MoodGym",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Media-Based Parenting Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 95,
      "start_date": "2022-11-18",
      "completion_date": "2025-04-14",
      "has_results": false,
      "last_update_posted_date": "2025-07-22",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05400161"
    },
    {
      "nct_id": "NCT06184737",
      "title": "iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet Habit",
        "Sugar-Sweetened Beverages"
      ],
      "interventions": [
        {
          "name": "iSIPsmarter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Education (PE)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 24,
      "start_date": "2024-01-12",
      "completion_date": "2026-03-17",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06184737"
    },
    {
      "nct_id": "NCT05444881",
      "title": "Boricua Youth Study COVID-19 Coping Intervention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychological Stress",
        "Depression",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Mindfulness-based Intervention (Headspace TM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 48,
      "start_date": "2022-03-28",
      "completion_date": "2026-01-28",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05444881"
    },
    {
      "nct_id": "NCT03700281",
      "title": "Investigating the Effectiveness of a Seasonal Influenza Vaccination Promotion Campaign for Members of a Non-Profit, Community-Based Health Insurance Plan: 2018-2019",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Vaccination"
      ],
      "interventions": [
        {
          "name": "Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at Tyler",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22584,
      "start_date": "2018-10-06",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-09-07T19:42:13.884Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03700281"
    }
  ]
}