{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Method+Comparison&page=3",
    "query": {
      "intervention": "Method Comparison",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1554,
    "total_pages": 156,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Method+Comparison&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Method+Comparison&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T07:16:51.882Z",
  "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": "NCT00466973",
      "title": "Atrial Fibrillation Ablation Device Comparison Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Dry bipolar radiofrequency (RF) clamp",
          "type": "DEVICE"
        },
        {
          "name": "Unipolar microwave antenna",
          "type": "DEVICE"
        },
        {
          "name": "Unipolar cryothermic probe",
          "type": "DEVICE"
        },
        {
          "name": "Irrigated unipolar RF antenna",
          "type": "DEVICE"
        },
        {
          "name": "Irrigated bipolar RF clamp",
          "type": "DEVICE"
        },
        {
          "name": "Hi-intensity focused ultrasound wand",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Maimonides Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-04",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2018-08-17",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00466973"
    },
    {
      "nct_id": "NCT04645641",
      "title": "Evaluation of the Safety and Effectiveness of the Dexcom Glucose Monitoring (CGM) System",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Continuous Glucose Monitoring System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DexCom, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2020-10-12",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2020-11-27",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 4,
      "location_summary": "Escondido, California • Aurora, Colorado • Idaho Falls, Idaho + 1 more",
      "locations": [
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645641"
    },
    {
      "nct_id": "NCT01427153",
      "title": "A Comparison of Manual Physical Therapy and Corticosteroid Injections for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Orthopaedic manual physical therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Corticosteroid Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Madigan Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "38 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "38 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2012-08",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2025-01-27",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas • Tacoma, Washington",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01427153"
    },
    {
      "nct_id": "NCT04323137",
      "title": "Encouraging Flu Vaccination Among High-Risk Patients Identified by ML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Vaccination",
        "Health Promotion",
        "Health Behavior",
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Risk reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical records-based recommendation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Algorithm-based recommendation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 117649,
      "start_date": "2020-09-21",
      "completion_date": "2021-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-12-30",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04323137"
    },
    {
      "nct_id": "NCT03566108",
      "title": "To Compare Two Commonly Used Soft Tissue Grafting Techniques to Achieve Coronal Flap Advancement and Root Coverage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingival Recession"
      ],
      "interventions": [
        {
          "name": "VISTA",
          "type": "PROCEDURE"
        },
        {
          "name": "STA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 9,
      "start_date": "2019-04-23",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2024-11-18",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03566108"
    },
    {
      "nct_id": "NCT00001889",
      "title": "Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Disease"
      ],
      "interventions": [
        {
          "name": "Myocardial contrast echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Stress echocardiography with dobutamine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "1999-03",
      "completion_date": "2001-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001889"
    },
    {
      "nct_id": "NCT03539796",
      "title": "Epidural Technique: Does it Really Matter to the Patient?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "Dural puncture epidurals (DPE)",
          "type": "PROCEDURE"
        },
        {
          "name": "Traditional epidurals (EPI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Combined-spinal epidural technique (CSE)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2018-05-26",
      "completion_date": "2022-07-17",
      "has_results": false,
      "last_update_posted_date": "2023-01-12",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03539796"
    },
    {
      "nct_id": "NCT01218854",
      "title": "A Comparison of Methods for Assisting Needle Angle Selection During Image-guided Tissue Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Neoplasms",
        "Liver Neoplasms",
        "Kidney Neoplasms",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Needle angle measurement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2012-03-20",
      "completion_date": "2016-11-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01218854"
    },
    {
      "nct_id": "NCT05352659",
      "title": "Increasing Effective Mental Health Care for LGBT Clients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexual Orientation",
        "Gender Identity"
      ],
      "interventions": [
        {
          "name": "Face-to-face and online LGBTQ+ training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "On-line training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2021-03-01",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05352659"
    },
    {
      "nct_id": "NCT01592968",
      "title": "Stereotactic Radiosurgery or Whole Brain Radiation Therapy in Treating Patients With Newly Diagnosed Non-melanoma Brain Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm",
        "Metastatic Malignant Neoplasm in the Brain"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Whole-Brain Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2012-08-02",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-20T07:16:51.882Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592968"
    }
  ]
}