{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contact+Control+Group&page=25",
    "query": {
      "intervention": "Contact Control Group",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "page_size": 10,
    "total_count": 1047,
    "total_pages": 105,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contact+Control+Group&page=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contact+Control+Group&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T02:09:31.810Z",
  "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": "NCT03248661",
      "title": "Assessing Repeat Fit Testing for CRC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colo-rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Now I'm Telling You",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Richard Crosby",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 220,
      "start_date": "2015-08-01",
      "completion_date": "2018-09-25",
      "has_results": false,
      "last_update_posted_date": "2019-02-21",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248661"
    },
    {
      "nct_id": "NCT03557710",
      "title": "Devaluing Foods to Change Eating Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Devaluing energy-dense foods for cancer-control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 253,
      "start_date": "2018-05-01",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557710"
    },
    {
      "nct_id": "NCT03519490",
      "title": "Can Distance Center and Near Center Multifocal Contact Lenses Control Myopia Progression in Children?",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Myopia, Progressive"
      ],
      "interventions": [
        {
          "name": "Hybrid Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Thomas A. Aller, OD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "7 Years to 14 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-06-01",
      "completion_date": "2020-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "San Bruno, California",
      "locations": [
        {
          "city": "San Bruno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03519490"
    },
    {
      "nct_id": "NCT02719366",
      "title": "A Dispensing Clinical Trial of Comfilcon A Extended Range Multifocal Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A Extended Range test lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2016-03",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02719366"
    },
    {
      "nct_id": "NCT05888727",
      "title": "Examining a Wheelchair Exercise-training Intervention for Persons With Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Seated Physical activity INtervention for persons with MS, \"SPIN\" program- Intervention Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "WEllness for Longevity Living with MS (WELL)- Control Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2024-01-17",
      "completion_date": "2025-05-30",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05888727"
    },
    {
      "nct_id": "NCT01765751",
      "title": "Manual Cervical Distraction: Measuring Chiropractic Delivery for Neck Pain Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neck Pain",
        "Pain in Arm, Unspecified"
      ],
      "interventions": [
        {
          "name": "Manual Cervical Distraction",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Palmer College of Chiropractic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 48,
      "start_date": "2013-01",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2018-01-04",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Davenport, Iowa",
      "locations": [
        {
          "city": "Davenport",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01765751"
    },
    {
      "nct_id": "NCT03980223",
      "title": "Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gonorrhea",
        "Chlamydia",
        "Syphilis"
      ],
      "interventions": [
        {
          "name": "Doxycycline Hyclate Delayed-Release 200 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 641,
      "start_date": "2019-11-26",
      "completion_date": "2023-06-12",
      "has_results": true,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Seattle, Washington",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03980223"
    },
    {
      "nct_id": "NCT04016623",
      "title": "Clinical Evaluation of Invigor Toric 1-Day Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "1-day toric test contact lens",
          "type": "DEVICE"
        },
        {
          "name": "1-day toric control contact 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": 10,
      "start_date": "2019-05-06",
      "completion_date": "2019-06-04",
      "has_results": true,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04016623"
    },
    {
      "nct_id": "NCT02433496",
      "title": "Physician Coaching to Reduce Opioid-related Harms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Substance Abuse",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Physician coaching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 53132,
      "start_date": "2014-07",
      "completion_date": "2017-06-30",
      "has_results": true,
      "last_update_posted_date": "2018-07-06",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02433496"
    },
    {
      "nct_id": "NCT04789720",
      "title": "Using Information Technology to Improve Outcomes for Children Living With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Symptom Monitoring & Systematic Assessment and Reporting System in Young Survivors (SyMon-SAYS)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 216,
      "start_date": "2021-04-01",
      "completion_date": "2025-08-22",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-10-21T02:09:31.810Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04789720"
    }
  ]
}