{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=3",
    "query": {
      "intervention": "Control text messaging",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 841,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+text+messaging&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T18:36:59.994Z",
  "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": "NCT03294551",
      "title": "HPV Centralized R/R RCT #2 - New York State",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccines"
      ],
      "interventions": [
        {
          "name": "HPV Vaccine Reminder Recall - Autodialer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV Vaccine Reminder Recall - Texting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 37003,
      "start_date": "2017-10-27",
      "completion_date": "2019-11-05",
      "has_results": false,
      "last_update_posted_date": "2021-05-27",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294551"
    },
    {
      "nct_id": "NCT04948268",
      "title": "Digital Mental Health Service for Non-Treatment Seeking Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Anxiety",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Adaptive messaging intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-personalized messaging intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychoeducational links",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-10-27",
      "completion_date": "2024-10-25",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04948268"
    },
    {
      "nct_id": "NCT01870323",
      "title": "The Social Media and Activity Research in Teens Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "SMART Behavioral Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMART Informational Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "13 Years to 15 Years"
      },
      "enrollment_count": 21,
      "start_date": "2012-11",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01870323"
    },
    {
      "nct_id": "NCT05176756",
      "title": "RCT of Strategies to Augment Physical Activity in Black and Hispanic Breast and Prostate Cancer Survivors (ALLSTAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Breast Cancer",
        "Prostate Cancer",
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Gamification and Social Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "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": "2022-04-14",
      "completion_date": "2025-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05176756"
    },
    {
      "nct_id": "NCT06017050",
      "title": "BullyDown, a Text Messaging-based Bullying Prevention Program for Middle School-aged Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bullying"
      ],
      "interventions": [
        {
          "name": "BullyDown",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention-matched control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Center for Innovative Public Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "12 Years to 14 Years"
      },
      "enrollment_count": 138,
      "start_date": "2023-08-15",
      "completion_date": "2024-06-03",
      "has_results": true,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 2,
      "location_summary": "San Clemente, California • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "San Clemente",
          "state": "California"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06017050"
    },
    {
      "nct_id": "NCT03370978",
      "title": "Text Messaging Follow-up From ED",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Text Messaging"
      ],
      "interventions": [
        {
          "name": "Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-05-01",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-30",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03370978"
    },
    {
      "nct_id": "NCT06821009",
      "title": "Effectiveness of a Cloud-based Digital Health Navigation Program for Colorectal Cancer Screening",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer Screening"
      ],
      "interventions": [
        {
          "name": "mPATH-CRC",
          "type": "OTHER"
        },
        {
          "name": "Usual Care (Control)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Digital Health Navigation Solutions, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "45 Years to 74 Years"
      },
      "enrollment_count": 6500,
      "start_date": "2025-06-09",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 2,
      "location_summary": "Rome, Georgia • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Rome",
          "state": "Georgia"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06821009"
    },
    {
      "nct_id": "NCT05163119",
      "title": "Randomized Trial on Mobile Technology and Young Drivers' Cellphone Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cell Phone Use",
        "Automobile Driving"
      ],
      "interventions": [
        {
          "name": "Commercial Cellphone-Blocking App (Active)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Driving Mode",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Motao Zhu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2022-11-09",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05163119"
    },
    {
      "nct_id": "NCT06181253",
      "title": "The Impact of Prehabilitation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Complications"
      ],
      "interventions": [
        {
          "name": "Preoperative education",
          "type": "OTHER"
        },
        {
          "name": "Moderate aerobic exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "OTHER"
        },
        {
          "name": "Pedometer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 3,
      "start_date": "2024-05-02",
      "completion_date": "2025-12-23",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06181253"
    },
    {
      "nct_id": "NCT04067401",
      "title": "Career Enhancement Training Study (USAF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Wingman Connect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stress Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1485,
      "start_date": "2017-10-03",
      "completion_date": "2019-09-02",
      "has_results": true,
      "last_update_posted_date": "2020-07-08",
      "last_synced_at": "2026-10-23T18:36:59.994Z",
      "location_count": 1,
      "location_summary": "Wichita Falls, Texas",
      "locations": [
        {
          "city": "Wichita Falls",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04067401"
    }
  ]
}