{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Historical+data",
    "query": {
      "intervention": "Historical data"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 557,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Historical+data&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:25:01.197Z",
  "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": "NCT07129980",
      "title": "Refractive and Visual Outcomes With the ARGOS Biometer In Eyes With a History of Refractive Surgery: ARGOS Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "ARGOS Biometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vance Thompson Vision",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-07-11",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07129980"
    },
    {
      "nct_id": "NCT06300697",
      "title": "Michigan Food and Atopic Dermatitis (M-FAD) Program - Molecular Analytics Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atopic Dermatitis",
        "Food Allergy",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Data and biospecimen collection",
          "type": "OTHER"
        },
        {
          "name": "Skin biopsies",
          "type": "OTHER"
        },
        {
          "name": "Oral Food Challenge (OFC) procedures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "10 Years to 55 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-02-15",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06300697"
    },
    {
      "nct_id": "NCT05071859",
      "title": "Genetic Overlap Between Anomalies and Cancer in Kids in the Children's Oncology Group: The COG GOBACK Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Anomaly",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Whole Genome Sequencing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen collection",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2021-09-10",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05071859"
    },
    {
      "nct_id": "NCT06129994",
      "title": "Ecological Momentary Assessment Study of Adolescents and Young Adults With Type 1 Diabetes (EMA-T1D)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "13 Years to 26 Years"
      },
      "enrollment_count": 47,
      "start_date": "2023-11-07",
      "completion_date": "2025-08-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129994"
    },
    {
      "nct_id": "NCT01649661",
      "title": "MRI Parenchymal Enhancement: A New Marker of Breast Cancer Risk",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer Free Women"
      ],
      "interventions": [
        {
          "name": "questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 437,
      "start_date": "2012-07",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01649661"
    },
    {
      "nct_id": "NCT04672161",
      "title": "Education Intervention on Vaccination Adherence Among Inflammatory Bowel Disease (IBD) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crohn Disease (CD)",
        "Ulcerative Colitis (UC)",
        "Indeterminate Colitis"
      ],
      "interventions": [
        {
          "name": "Vaccine Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2021-02-04",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04672161"
    },
    {
      "nct_id": "NCT04811365",
      "title": "(PROSPECTOR) Screening Study Evaluating the Prevalence of the KIT D816V Mutation in Patients With Systemic Mast Cell Activation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Systemic Mast Cell Activation",
        "KIT D816V Mutation"
      ],
      "interventions": [
        {
          "name": "Screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Blueprint Medicines Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 379,
      "start_date": "2021-06-29",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • San Diego, California • Boston, Massachusetts + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04811365"
    },
    {
      "nct_id": "NCT01108237",
      "title": "Alignment Comparison Between TruMatch™ Personalized Solutions and Conventional Total Knee Replacement Instrumentation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "TruMatch™ Personalized Solutions",
          "type": "OTHER"
        },
        {
          "name": "Total Knee Arthroplasty with Conventional Instrumentation.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 78,
      "start_date": "2009-10-01",
      "completion_date": "2011-03-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-24",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Saint Paul, Minnesota • Charlotte, North Carolina + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Renton",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01108237"
    },
    {
      "nct_id": "NCT04807595",
      "title": "Estimation of the Prevalence of HER2 Low and Describe the SoC, Treatment Patterns, and Outcome in Real-world Practice Among Unresectable and/or Metastatic Breast Cancer Patients With HER2 Low Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 798,
      "start_date": "2021-05-28",
      "completion_date": "2022-04-26",
      "has_results": false,
      "last_update_posted_date": "2023-03-06",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807595"
    },
    {
      "nct_id": "NCT05754944",
      "title": "Study of Peripheral Arterial Disease (PAD) in People With Cancer Who Will Be Having Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease (PAD) in Cancer Patients"
      ],
      "interventions": [
        {
          "name": "ABI/TBI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2023-02-22",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-04T00:25:01.197Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05754944"
    }
  ]
}