{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=22",
    "query": {
      "intervention": "Control Population",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 17731,
    "total_pages": 1774,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Population&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T21:02:59.030Z",
  "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": "NCT01635673",
      "title": "Effects of Whole Body Vibration Exercise on Metabolic Systems in Latino Boys",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Effects of Whole Body Vibration Exercise on Metabolic Systems"
      ],
      "interventions": [
        {
          "name": "Exercise intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "MALE",
        "summary": "8 Years to 10 Years · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2010-05",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2012-07-09",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01635673"
    },
    {
      "nct_id": "NCT01882283",
      "title": "Effects of Black Tea Intake on Serum Lipids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "Tea Treatment Group",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 57,
      "start_date": "2002-04",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2019-05-07",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01882283"
    },
    {
      "nct_id": "NCT04279483",
      "title": "GeoScan and Remote Geo Smoking Study: Neural and Behavioral Correlates of Smokers' Exposure to Retail Environments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco",
        "Smoking",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Tobacco retailer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-tobacco retailer",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 343,
      "start_date": "2019-12-17",
      "completion_date": "2024-06-10",
      "has_results": true,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04279483"
    },
    {
      "nct_id": "NCT00594854",
      "title": "Evaluating PN 400 (VIMOVO) in Reducing Gastric Ulcers in High Risk Subjects Compared to Arthrotec",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastric Ulcer"
      ],
      "interventions": [
        {
          "name": "PN400 (VIMOVO)",
          "type": "DRUG"
        },
        {
          "name": "Diclofenac/Misoprostol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "POZEN",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2007-09",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2010-09-22",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00594854"
    },
    {
      "nct_id": "NCT02055053",
      "title": "Effects of Local Anesthesia on Post-operative Pain During Laparoscopic Inguinal Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post Operative Pain (Post Laparoscopic Hernia Repair)"
      ],
      "interventions": [
        {
          "name": "0.5% Bupivicaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2013-08",
      "completion_date": "2019-10-16",
      "has_results": true,
      "last_update_posted_date": "2022-01-11",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Burlington, Massachusetts",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02055053"
    },
    {
      "nct_id": "NCT02694237",
      "title": "The Age of OrthoInfo: A Randomized Controlled Trial Evaluating Patient Comprehension of Informed Consent in a Private Practice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Model",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Knee Anatomy Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Verbal",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri, Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2016-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-05-02",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02694237"
    },
    {
      "nct_id": "NCT01596673",
      "title": "A Study to Assess the Abuse Potential of Hydrocodone Extended-Release Tablet in Recreational Opioid Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Abuse"
      ],
      "interventions": [
        {
          "name": "45-mg hydrocodone bitartrate extended-release tablet (crushed or intact)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cephalon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2012-03",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2012-11-21",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01596673"
    },
    {
      "nct_id": "NCT06810973",
      "title": "Substance Use and HIV Action for Reentry and Engagement.",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "SUCCESS-E",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Standard of Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Key Informant Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-06-09",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06810973"
    },
    {
      "nct_id": "NCT02943083",
      "title": "Promoting Mother-Baby Bonding Through a Relaxation Routine During Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychological Stress in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Relaxation Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 106,
      "start_date": "2016-10",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02943083"
    },
    {
      "nct_id": "NCT01370005",
      "title": "12 Week Efficacy and Safety Study of Empagliflozin (BI 10773) in Hypertensive Patients With Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "BI 10773",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 825,
      "start_date": "2011-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2016-02-22",
      "last_synced_at": "2026-10-24T21:02:59.030Z",
      "location_count": 35,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Lincoln, California + 29 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Lincoln",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01370005"
    }
  ]
}