{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+comparison&page=24",
    "query": {
      "intervention": "Control comparison",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 4175,
    "total_pages": 418,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+comparison&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+comparison&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T08:59:17.353Z",
  "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": "NCT02236858",
      "title": "Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "HEPA Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Sham HEPA Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 142,
      "start_date": "2014-03",
      "completion_date": "2021-09-10",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02236858"
    },
    {
      "nct_id": "NCT01548040",
      "title": "Controlled Study of Kneehab XP for Patients Undergoing Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Kneehab XP",
          "type": "DEVICE"
        },
        {
          "name": "Quadriceps TENS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Theragen Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2012-03",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2018-04-11",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01548040"
    },
    {
      "nct_id": "NCT00879190",
      "title": "Ampicillin / Sulbactam vs. Ampicillin / Gentamicin for Treatment of Chorioamnionitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Chorioamnionitis"
      ],
      "interventions": [
        {
          "name": "Unasyn",
          "type": "DRUG"
        },
        {
          "name": "Ampicillin/gentamicin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 92,
      "start_date": "2009-05",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2018-05-18",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00879190"
    },
    {
      "nct_id": "NCT00356018",
      "title": "Compliance With Once-Daily Divalproex Extended-Release Tablets (Depakote-ER) Versus Multiple-Daily Dose Valproic Acid Capsules (Depakene) in Epilepsy:",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Compliance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Orlando Health, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "16 Years to 99 Years"
      },
      "enrollment_count": 5,
      "start_date": "2006-07",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00356018"
    },
    {
      "nct_id": "NCT01248390",
      "title": "\"Interactive Metronome Technology for Blast-Related Traumatic Brain Injury\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "Post-Concussion Syndrome"
      ],
      "interventions": [
        {
          "name": "Interactive metronome",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Defense and Veterans Brain Injury Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 48,
      "start_date": "2010-08",
      "completion_date": "2016-10-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01248390"
    },
    {
      "nct_id": "NCT07820085",
      "title": "A Study to Investigate PORT-77 Oral Dosing Compared With Placebo in Participants With Erythropoietic Protoporphyria (EPP) or X-linked Protoporphyria (XLP)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Erythropoietic Protoporphyria (EPP)",
        "X-Linked Protoporphyria (XLP)",
        "EPP2"
      ],
      "interventions": [
        {
          "name": "PORT-77",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Portal Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2026-09",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 2,
      "location_summary": "Huntington Beach, California • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07820085"
    },
    {
      "nct_id": "NCT02838017",
      "title": "Tissue Adhesive vs. Sterile Strips After Cesarean Delivery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wound Complication",
        "Complications; Cesarean Section"
      ],
      "interventions": [
        {
          "name": "Tissue Adhesive",
          "type": "DEVICE"
        },
        {
          "name": "Sterile strips",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 504,
      "start_date": "2016-11",
      "completion_date": "2018-06",
      "has_results": true,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • Highland Park, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Highland Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02838017"
    },
    {
      "nct_id": "NCT02283528",
      "title": "A Comparison of Stryker Hybrid Arch Bars",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fracture Mandible"
      ],
      "interventions": [
        {
          "name": "Stryker Hybrid",
          "type": "DEVICE"
        },
        {
          "name": "Erich",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 50,
      "start_date": "2015-05",
      "completion_date": "2017-12-21",
      "has_results": true,
      "last_update_posted_date": "2019-01-14",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02283528"
    },
    {
      "nct_id": "NCT05580627",
      "title": "Evaluation Exploring How Course Modality Influences the Effectiveness of the R3 Academy for Couples",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Program Modality"
      ],
      "interventions": [
        {
          "name": "Livestream Modality (treatment)",
          "type": "OTHER"
        },
        {
          "name": "Live Modality (control)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Healthy Relationships California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 255,
      "start_date": "2022-09-01",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-10-14",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Leucadia, California",
      "locations": [
        {
          "city": "Leucadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05580627"
    },
    {
      "nct_id": "NCT04540523",
      "title": "Home-Based Exergaming Intervention",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Activity",
        "Health-related Fitness",
        "Cognition",
        "Screen Time"
      ],
      "interventions": [
        {
          "name": "Exergaming intervention group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traditional physical activity comparison",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "4 Years to 5 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-09-08",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-03-17",
      "last_synced_at": "2026-11-15T08:59:17.353Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04540523"
    }
  ]
}