{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contact+Control+Group",
    "query": {
      "intervention": "Contact Control Group"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1031,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contact+Control+Group&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T06:30:35.329Z",
  "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": "NCT03954210",
      "title": "SIESTA: Sleep Intervention to Enhance Cognitive Status and Reduce Beta Amyloid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep and Lifestyle Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 200,
      "start_date": "2019-08-27",
      "completion_date": "2025-04-18",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03954210"
    },
    {
      "nct_id": "NCT03360110",
      "title": "Comparison of New Contact Lens With Current Marketed Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Phoebe test lens",
          "type": "DEVICE"
        },
        {
          "name": "stenfilcon A lens (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 53,
      "start_date": "2017-11-06",
      "completion_date": "2017-12-15",
      "has_results": true,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03360110"
    },
    {
      "nct_id": "NCT02229708",
      "title": "Targeting Pregnancy-related Weight Gain to Reduce Disparities in Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Body Weight Changes",
        "Behavioral",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Healthy Lifestyle Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "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": 262,
      "start_date": "2014-09",
      "completion_date": "2019-07-17",
      "has_results": false,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02229708"
    },
    {
      "nct_id": "NCT06581250",
      "title": "Improving Show Rates in Dental Care Settings Serving Underserved Populations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Care"
      ],
      "interventions": [
        {
          "name": "Reminder Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Walk-in Visits",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivation-enhanced Communication",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2025-04-04",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06581250"
    },
    {
      "nct_id": "NCT02710474",
      "title": "Family Nurture Intervention in the NICU",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature Birth",
        "Obstetric Labor, Premature"
      ],
      "interventions": [
        {
          "name": "Family Nurture Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "26 Weeks",
        "maximum_age": "34 Weeks",
        "sex": "ALL",
        "summary": "26 Weeks to 34 Weeks"
      },
      "enrollment_count": 461,
      "start_date": "2017-01-24",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 2,
      "location_summary": "New York, New York • San Antonio, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02710474"
    },
    {
      "nct_id": "NCT06749496",
      "title": "Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Test Lens",
          "type": "DEVICE"
        },
        {
          "name": "Control Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 134,
      "start_date": "2025-01-07",
      "completion_date": "2025-03-20",
      "has_results": true,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 12,
      "location_summary": "Jacksonville, Florida • Longwood, Florida • Maitland, Florida + 9 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06749496"
    },
    {
      "nct_id": "NCT01829191",
      "title": "Controlling Myopia Progression With Soft Contact Lenses (Contact Lens Control)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Soft Contact Test Lens A",
          "type": "DEVICE"
        },
        {
          "name": "Soft Contact Test Lens C",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 174,
      "start_date": "2008-04-01",
      "completion_date": "2010-05-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01829191"
    },
    {
      "nct_id": "NCT05669976",
      "title": "Suicide Prevention for Sexual and Gender Minority Youth (Randomized Controlled Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide"
      ],
      "interventions": [
        {
          "name": "Safety Planning Intervention with Navigation Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Safety Planning Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "15 Years to 29 Years"
      },
      "enrollment_count": 170,
      "start_date": "2023-04-10",
      "completion_date": "2027-05-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669976"
    },
    {
      "nct_id": "NCT04668989",
      "title": "Evaluation of the Performance of Different Daily Disposable Lens Designs in Habitual Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "stenfilcon A - (Test lens)",
          "type": "DEVICE"
        },
        {
          "name": "kalifilcon A - (Control Lens)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2020-11-01",
      "completion_date": "2021-02-05",
      "has_results": true,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 4,
      "location_summary": "Medina, Minnesota • Vestal, New York • Athens, Ohio + 1 more",
      "locations": [
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04668989"
    },
    {
      "nct_id": "NCT05035017",
      "title": "Clinical Validation of the Apollo Daily Disposable Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test Lens",
          "type": "DEVICE"
        },
        {
          "name": "Control Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2021-06-17",
      "completion_date": "2021-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-08-12",
      "last_synced_at": "2026-09-03T06:30:35.329Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05035017"
    }
  ]
}