{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Unfractionated+Heparin&page=10",
    "query": {
      "intervention": "Unfractionated Heparin",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 445,
    "total_pages": 45,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Unfractionated+Heparin&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Unfractionated+Heparin&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T10:34:15.451Z",
  "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": "NCT04285840",
      "title": "Arterial Versus Venous Activated Clotting Time (ACT) Measurements During Atrial Fibrillation Ablations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Venous ACT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2020-02-10",
      "completion_date": "2020-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-28",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "Raleigh, North Carolina",
      "locations": [
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04285840"
    },
    {
      "nct_id": "NCT01489917",
      "title": "A-priori Versus Provisional Heparin on Radial Artery Occlusion After Transradial Coronary Angiography and Patent Hemostasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Patent hemostasis and heparin",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Olivier F. Bertrand",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 428,
      "start_date": "2009-05",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-08",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "Scranton, Pennsylvania",
      "locations": [
        {
          "city": "Scranton",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01489917"
    },
    {
      "nct_id": "NCT03244020",
      "title": "LMWH vs Aspirin for VTE Prophylaxis in Orthopaedic Oncology",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sarcoma",
        "Soft Tissue Sarcoma",
        "Bone Sarcoma",
        "Bone Metastases",
        "Venous Thromboembolism",
        "Hematoma",
        "Anticoagulant-induced Bleeding"
      ],
      "interventions": [
        {
          "name": "Aspirin 325mg",
          "type": "DRUG"
        },
        {
          "name": "Enoxaparin 40Mg/0.4mL Prefilled Syringe",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2868,
      "start_date": "2018-02-16",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Tampa, Florida • New Orleans, Louisiana + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03244020"
    },
    {
      "nct_id": "NCT00237328",
      "title": "Risk of Developing Antibodies to Heparin-PF4 After Heart Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "Heparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1015,
      "start_date": "2006-06",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-02-25",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 4,
      "location_summary": "Rochester, Minnesota • Chapel Hill, North Carolina • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00237328"
    },
    {
      "nct_id": "NCT06957366",
      "title": "Perioperative Anticoagulant Use for Surgery Evaluation -2 (PAUSE-2) Study Patients Receiving a Direct Oral Anticoagulant (DOACs-Dabigatran, Rivaroxaban, Apixaban or Edoxaban) and Needing Elective High-Bleed-Risk Surgery or an Invasive Procedure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "VTE"
      ],
      "interventions": [
        {
          "name": "PAUSE Perioperative DOAC Management",
          "type": "OTHER"
        },
        {
          "name": "ASRA Perioperative DOAC Management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "McMaster University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 920,
      "start_date": "2025-04-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 6,
      "location_summary": "Hartford, Connecticut • Evanston, Illinois • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06957366"
    },
    {
      "nct_id": "NCT07713875",
      "title": "Extended Prophylactic Anticoagulation Following Spinal Surgery for Metastatic Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Venous Thromboembolism (VTE)",
        "Deep Vein Thrombosis (DVT)",
        "Pulmonary Embolism (PE)",
        "Spine Metastasis"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "James Bayley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 3,
      "location_summary": "Pittburgh, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07713875"
    },
    {
      "nct_id": "NCT01914211",
      "title": "The Role of Tranexamic Acid in Reducing Blood Transfusion Requirements After Cardiopulmonary Bypass in Neonates",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Tranexamic Acid",
          "type": "DRUG"
        },
        {
          "name": "Acute Normovolemic Hemodilution",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Aymen N Naguib",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "28 Days",
        "sex": "ALL",
        "summary": "Up to 28 Days"
      },
      "enrollment_count": 0,
      "start_date": "2013-07",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914211"
    },
    {
      "nct_id": "NCT04505592",
      "title": "Tenecteplase in Patients With COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19",
        "Respiratory Failure",
        "ARDS"
      ],
      "interventions": [
        {
          "name": "Tenecteplase",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hooman Poor",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 13,
      "start_date": "2020-09-25",
      "completion_date": "2022-03-10",
      "has_results": true,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505592"
    },
    {
      "nct_id": "NCT00329433",
      "title": "Study Comparing Desirudin With Heparin to Prevent Vein Clots After Heart and Lung Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Deep Venous Thrombosis"
      ],
      "interventions": [
        {
          "name": "Desirudin (Iprivask™)",
          "type": "DRUG"
        },
        {
          "name": "Heparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2006-05",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00329433"
    },
    {
      "nct_id": "NCT00170378",
      "title": "The Use of Low Molecular Weight Heparin in Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Brain Injury",
        "Venous Thrombosis"
      ],
      "interventions": [
        {
          "name": "Enoxaparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2002-12",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-10-17T10:34:15.451Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00170378"
    }
  ]
}