{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=method+comparison&page=27",
    "query": {
      "intervention": "method comparison",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 1562,
    "total_pages": 157,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=method+comparison&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=method+comparison&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T23:26:15.733Z",
  "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": "NCT01025960",
      "title": "A Comparison of Methods to Detect Polyps During Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Standard Inspection Colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual Inspection Colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "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": 768,
      "start_date": "2009-11",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-03-27",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01025960"
    },
    {
      "nct_id": "NCT04372004",
      "title": "Comparison of the Efficacy of Rapid Tests to Identify COVID-19 Infection (CATCh COVID-19)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "diagnostic tests for COVID-19 infection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Texas Cardiac Arrhythmia Research Foundation",
      "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": 100,
      "start_date": "2020-05-08",
      "completion_date": "2021-06",
      "has_results": false,
      "last_update_posted_date": "2020-08-11",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04372004"
    },
    {
      "nct_id": "NCT00001976",
      "title": "Comparison of Two Test Methods-NASBA and Antigenemia-for Detecting Cytomegalovirus Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cytomegalovirus Infection",
        "Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 180,
      "start_date": "2000-01",
      "completion_date": "2003-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001976"
    },
    {
      "nct_id": "NCT00053235",
      "title": "Research Study in Patients With Advanced Ovarian Epithelial Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ovarian Serous Cystadenocarcinoma",
        "Ovarian Serous Surface Papillary Adenocarcinoma",
        "Stage IIIA Ovarian Cancer",
        "Stage IIIB Ovarian Cancer",
        "Stage IIIC Ovarian Cancer",
        "Stage IV Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Comparative Genomic Hybridization",
          "type": "GENETIC"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Polymerase Chain Reaction",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 0,
      "start_date": "2002-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-06-01",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00053235"
    },
    {
      "nct_id": "NCT02910726",
      "title": "A Study Comparing Green Fluorescent Dye and Radioactive Dye for Sentinel Lymph Node Biopsy in Pediatric Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Pediatric Patients With Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Sentinel Lymph Node Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "indocyanine green (ICG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 6,
      "start_date": "2016-09-13",
      "completion_date": "2022-09-02",
      "has_results": true,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 3,
      "location_summary": "New York, New York • Memphis, Tennessee • Houston, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02910726"
    },
    {
      "nct_id": "NCT02000349",
      "title": "Comparison of Frozen-thawed Embryo Transfers and Fresh Embryo Transfers With Whole Chromosome Analysis Using Next Generation Sequencing",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "PGD",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Reprogenetics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 186,
      "start_date": "2013-09",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2015-11-17",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02000349"
    },
    {
      "nct_id": "NCT02572648",
      "title": "A Comparison of Magnetic Resonance Imaging in Persons With Heart Failure to Health, Aged Matched Controls",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Brain Imaging (Neuroimaging)",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Function Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2015-10",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2017-09-21",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02572648"
    },
    {
      "nct_id": "NCT07893015",
      "title": "SHLH for Urban Adolescents (Efficacy Trial)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Poor Quality Sleep"
      ],
      "interventions": [
        {
          "name": "Sleeping Healthy, Living Healthy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep for Teens",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 294,
      "start_date": "2026-11",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-23",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07893015"
    },
    {
      "nct_id": "NCT00852306",
      "title": "A Comparison of Two Freezing Techniques",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "oocyte freezing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 50 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2009-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2012-10-10",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852306"
    },
    {
      "nct_id": "NCT01676909",
      "title": "Wellness Self-Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Illness",
        "Chronic Medical Illness"
      ],
      "interventions": [
        {
          "name": "Living Well",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Medical Illness Education & Support Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 262,
      "start_date": "2013-10-01",
      "completion_date": "2016-12-31",
      "has_results": true,
      "last_update_posted_date": "2019-06-06",
      "last_synced_at": "2026-11-02T23:26:15.733Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01676909"
    }
  ]
}