{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=comparison",
    "query": {
      "intervention": "comparison"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13040,
    "total_pages": 1304,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=comparison&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T06:21:32.826Z",
  "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": "NCT01877473",
      "title": "Comparison of Reverse Remodeling and PVI Versus CFAE and/or Linear Lesions and PVI for Persistent AF",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Valley Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-05",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2014-06-17",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01877473"
    },
    {
      "nct_id": "NCT00110383",
      "title": "Comparison of School-Based Supervised Versus Parental Supervised Asthma Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "School-Based Supervised Asthma Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 295,
      "start_date": "2004-05",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2014-03-04",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00110383"
    },
    {
      "nct_id": "NCT02036983",
      "title": "Comparison of a Bilateral TAP Block and Preperitoneal Instillation of Local Anesthetic for a Total Extraperitoneal (TEP) Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bilateral Inguinal Hernia Repair"
      ],
      "interventions": [
        {
          "name": "Transversus abdominis plane block (TAP BLOCK)",
          "type": "PROCEDURE"
        },
        {
          "name": "Instillation of surgical site with local anesthetic.",
          "type": "PROCEDURE"
        },
        {
          "name": "Opioid IV medications (Control)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 75,
      "start_date": "2013-11",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02036983"
    },
    {
      "nct_id": "NCT01308541",
      "title": "A Study to Characterize Pharmacokinetics (PK) and Pharmacodynamics (PD) of LUSEDRA® Administered as Continuous Infusion or Bolus Compared With Continuous Infusion of Propofol Injectable Emulsion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Monitored Anesthesia Care"
      ],
      "interventions": [
        {
          "name": "arm 1",
          "type": "DRUG"
        },
        {
          "name": "LUSEDRA",
          "type": "DRUG"
        },
        {
          "name": "Propofol (arm 3)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2011-01",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-03",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Salt Lake City Utah, Utah",
      "locations": [
        {
          "city": "Salt Lake City Utah",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01308541"
    },
    {
      "nct_id": "NCT00397254",
      "title": "Two Rizatriptan Prescribing Portions for Treatment of Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "rizatriptan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clinvest",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 197,
      "start_date": "2006-12",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2010-06-08",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 10,
      "location_summary": "Diamond Bar, California • San Francisco, California • Oviedo, Florida + 7 more",
      "locations": [
        {
          "city": "Diamond Bar",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Oviedo",
          "state": "Florida"
        },
        {
          "city": "Snellville",
          "state": "Georgia"
        },
        {
          "city": "Prince Frederick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00397254"
    },
    {
      "nct_id": "NCT05099705",
      "title": "Testing a Family Service Navigator Program for Low-resourced Families of Young Children With Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Mental Health Services"
      ],
      "interventions": [
        {
          "name": "Access to a Family Service Navigator and Treatment Support System",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2022-07-01",
      "completion_date": "2026-04-16",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05099705"
    },
    {
      "nct_id": "NCT07151105",
      "title": "Anti-inflammatory Activities of Vitamin C Supplementation on the Gut Barrier Function in Adults With Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adequate Vitamin C Status",
        "Inadequate Vitamin C Status"
      ],
      "interventions": [
        {
          "name": "Vitamin C Supplement + Low Vitamin C Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo + Low Vitamin C Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 34,
      "start_date": "2025-10-01",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07151105"
    },
    {
      "nct_id": "NCT03391466",
      "title": "Study of Effectiveness of Axicabtagene Ciloleucel Compared to Standard of Care Therapy in Patients With Relapsed/Refractory Diffuse Large B Cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsed/Refractory Diffuse Large B-Cell Lymphoma (DLBCL)"
      ],
      "interventions": [
        {
          "name": "Axicabtagene Ciloleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Platinum-containing Salvage Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Kite, A Gilead Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 359,
      "start_date": "2018-01-25",
      "completion_date": "2024-11-25",
      "has_results": true,
      "last_update_posted_date": "2025-12-01",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 30,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • La Jolla, California + 24 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03391466"
    },
    {
      "nct_id": "NCT03146156",
      "title": "Lifestyle Intervention in Preparation for Pregnancy (LIPP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Lifestyle-related Condition",
        "Macrosomia, Fetal"
      ],
      "interventions": [
        {
          "name": "Lifestyle Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2017-03-21",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-28",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 4,
      "location_summary": "Baton Rouge, Louisiana • Boston, Massachusetts • Cleveland, Ohio",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03146156"
    },
    {
      "nct_id": "NCT03651531",
      "title": "Comparison of Insulin Alone to Insulin With Metformin to Treat Gestational Diabetes Mellitus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "Insulin",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2018-01-03",
      "completion_date": "2019-07-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-09-06T06:21:32.826Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03651531"
    }
  ]
}