{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=10",
    "query": {
      "intervention": "Retrospective study",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 1214,
    "total_pages": 122,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Retrospective+study&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T01:57:06.602Z",
  "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": "NCT06219278",
      "title": "A Retrospective Review Evaluating the Matrix Pro Applicator for Treatment of Wrinkles",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wrinkle"
      ],
      "interventions": [
        {
          "name": "Profound Matrix",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Candela Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 32,
      "start_date": "2023-10-29",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 1,
      "location_summary": "Marlborough, Massachusetts",
      "locations": [
        {
          "city": "Marlborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06219278"
    },
    {
      "nct_id": "NCT04096248",
      "title": "CT (Computerized Tomography) for Late EndovasculAr Reperfusion",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke, Cardiovascular"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2790,
      "start_date": "2020-02-15",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Boston, Massachusetts • Worcester, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04096248"
    },
    {
      "nct_id": "NCT02589847",
      "title": "Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clostridium Difficile Infection"
      ],
      "interventions": [
        {
          "name": "RBX2660",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of Care Antibiotics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Rebiotix Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 272,
      "start_date": "2015-10",
      "completion_date": "2019-03",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 28,
      "location_summary": "Phoenix, Arizona • North Little Rock, Arkansas • Sacramento, California + 25 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589847"
    },
    {
      "nct_id": "NCT00344578",
      "title": "Clinical Outcomes After AcrySof® ReStor IOL Surgery in Faculty Practice at UTSW Medical Center at Dallas: A Retrospective Review",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Outcomes Following Restor IOL Lens Implant"
      ],
      "interventions": [
        {
          "name": "Restor IOL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 120,
      "start_date": "2006-03",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2011-03-23",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344578"
    },
    {
      "nct_id": "NCT07362225",
      "title": "MPN PROGRESSion Registry: Observational Study Tracking Symptoms, Treatments, and Disease Progression in People With Myeloproliferative Neoplasms (MPNs)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycythemia Vera",
        "ET (Essential Thrombocythemia)",
        "Polycythemia Vera (PV)",
        "Essential Thrombocythemia (ET)",
        "Primary Myelofibrosis (MF)",
        "Primary Myelofibrosis (PMF)",
        "Myelofibrosis",
        "Myelofibrosis (MF)",
        "Myelofibrosis, Primary",
        "Myelofibrosis, Post ET",
        "Myelofibrosis, Post PV",
        "Myelofibrosis (PMF)",
        "Myelofibrosis，MF",
        "Myelofibrosis; Primary Myelofibrosis; Post-polycythemia Vera Myelofibrosis; Post-essential Thrombocythemia Myelofibrosis",
        "Myelofibrosis Due to and Following Polycythemia Vera",
        "Myelofibrosis Transformation in Essential Thrombocythemia",
        "Myelofibrosis With High Molecular Risk Mutations",
        "MF",
        "Secondary Myelofibrosis",
        "Secondary Myelofibrosis in Myeloproliferative Disease",
        "Secondary Myelofibrosis (Post-Polycythemia Vera Myelofibrosis, Post-Essential Thrombocythemia Myelofibrosis)",
        "Post-Polycythemia Vera Myelofibrosis",
        "Post-polycythemia Vera Myelofibrosis (PPV-MF)",
        "Post-polycythemia Vera Myelofibrosis (Post-PV MF)",
        "Post-polycythemia Vera Myelofibrosis(Post-PV MF)",
        "Post-PV MF",
        "Post-Essential Thrombocythemia Myelofibrosis",
        "Post-essential Thrombocythemia Myelofibrosis (PET-MF)",
        "Post-essential Thrombocythemia Myelofibrosis(Post-ET MF)",
        "Post-essential Thrombocythemia Myelofibrosis (Post-ET MF)",
        "Post-ET MF",
        "Pre-fibrotic Myelofibrosis",
        "Myeloproliferative Disorder",
        "Myeloproliferative Disorders",
        "Myeloproliferative Disorders (MPD)",
        "Myeloproliferative Neoplasms (MPNs)",
        "Myeloproliferative Neoplasm(MPN)-Associated Myelofibrosis",
        "Myeloproliferative Neoplasm With 10% Blasts or Higher",
        "Myeloproliferative Neoplasms",
        "MPN",
        "MPN (Myeloproliferative Neoplasms)",
        "MPN-associated Myelofibrosis",
        "Myeloproliferative Neoplasm, Unclassifiable",
        "Myeloproliferative Neoplasm, Not Otherwise Specified",
        "Accelerated Phase MPN",
        "Accelerated Phase Myeloproliferative Neoplasm",
        "Blast Phase MPN",
        "Blast Phase Myeloproliferative Neoplasm",
        "Thrombocythemia Myelofibrosis (PET-MF)",
        "Thrombocythemia, Essential",
        "Thrombocythemia, Hemorrhagic",
        "Agnogenic Myeloid Metaplasia",
        "Chronic Idiopathic Myelofibrosis",
        "Idiopathic Myelofibrosis",
        "MDS/MPN Crossover Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MPN Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2025-09-26",
      "completion_date": "2035-09-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • New York, New York",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07362225"
    },
    {
      "nct_id": "NCT01785459",
      "title": "Bupivacaine for Benign Headache in the ED",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Benign Headache"
      ],
      "interventions": [
        {
          "name": "0.5% bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Standard Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 23,
      "start_date": "2013-10",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2022-07-14",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01785459"
    },
    {
      "nct_id": "NCT05317390",
      "title": "Clinical Validation of DystoniaNet Deep Learning Platform for Diagnosis of Isolated Dystonia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dystonia",
        "Drug Induced Dystonia",
        "Parkinson Disease",
        "Essential Tremor",
        "Dyskinesias",
        "Myoclonus",
        "Tic Disorders",
        "Torticollis",
        "Ulnar Nerve Entrapment",
        "Temporomandibular Joint Disorders",
        "Dysphonia"
      ],
      "interventions": [
        {
          "name": "DystoniaNet-based diagnosis of isolated dystonia",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2022-06-01",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05317390"
    },
    {
      "nct_id": "NCT02532361",
      "title": "Proportion of Hysterectomy After Female Sterilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hysterectomy"
      ],
      "interventions": [
        {
          "name": "Hysteroscopic device placement including Essure (ESS305, BAY1454032)",
          "type": "DEVICE"
        },
        {
          "name": "Tubal ligation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 10578,
      "start_date": "2015-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 1,
      "location_summary": "New Jersey, New Jersey",
      "locations": [
        {
          "city": "New Jersey",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02532361"
    },
    {
      "nct_id": "NCT02231697",
      "title": "A Medical Chart Review of Patients With X-Linked Myotubular Myopathy (XLMTM)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Males With X-linked Myotubular Myopathy (XLMTM)"
      ],
      "interventions": [
        {
          "name": "Non-interventional, retrospective medical chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Astellas Gene Therapies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 161,
      "start_date": "2014-09",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 6,
      "location_summary": "San Pedro, California • Aurora, Colorado • Gainesville, Florida + 3 more",
      "locations": [
        {
          "city": "San Pedro",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02231697"
    },
    {
      "nct_id": "NCT02444169",
      "title": "Retrospective Evaluation of Combination Treatment With the Ulthera System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Laxity"
      ],
      "interventions": [
        {
          "name": "Ultherapy",
          "type": "DEVICE"
        },
        {
          "name": "Incobotulinumtoxin A",
          "type": "DRUG"
        },
        {
          "name": "Radiesse",
          "type": "DEVICE"
        },
        {
          "name": "Belotero Balance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Ulthera, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 101,
      "start_date": "2015-04",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2017-11-24",
      "last_synced_at": "2026-10-30T01:57:06.602Z",
      "location_count": 5,
      "location_summary": "Laguna Beach, California • San Diego, California • Coral Gables, Florida + 2 more",
      "locations": [
        {
          "city": "Laguna Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Hunt Valley",
          "state": "Maryland"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444169"
    }
  ]
}