{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=81mg+Aspirin&page=2",
    "query": {
      "intervention": "81mg Aspirin",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 83,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=81mg+Aspirin&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=81mg+Aspirin&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T05:58:30.947Z",
  "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": "NCT04498273",
      "title": "COVID-19 Positive Outpatient Thrombosis Prevention in Adults Aged 40-80",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Apixaban 2.5 MG",
          "type": "DRUG"
        },
        {
          "name": "Apixaban 5MG",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Frank C Sciurba",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 657,
      "start_date": "2020-09-07",
      "completion_date": "2021-08-05",
      "has_results": true,
      "last_update_posted_date": "2022-02-17",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 71,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 51 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04498273"
    },
    {
      "nct_id": "NCT03008915",
      "title": "Targeting Pulmonary Perfusion in Alpha-1 Antitrypsin Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alpha-1 Antitrypsin Deficiency",
        "Emphysema",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Withdrawal from alpha1 antitrypsin replacement therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-01",
      "completion_date": "2020-10",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03008915"
    },
    {
      "nct_id": "NCT06468202",
      "title": "Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertensive Disorders of Pregnancy",
        "Preeclampsia",
        "Gestational Hypertension"
      ],
      "interventions": [
        {
          "name": "Aspirin 81 mg",
          "type": "DRUG"
        },
        {
          "name": "Aspirin 162 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 35 Years · Female only"
      },
      "enrollment_count": 10742,
      "start_date": "2024-10-18",
      "completion_date": "2030-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06468202"
    },
    {
      "nct_id": "NCT04645004",
      "title": "Antenatal Platelet Response on Aspirin: a Pharmacokinetic Study Through Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Preeclampsia"
      ],
      "interventions": [
        {
          "name": "Aspirin 81Mg Non-enteric coated Tab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 55 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2020-12-29",
      "completion_date": "2024-03-15",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04645004"
    },
    {
      "nct_id": "NCT01201785",
      "title": "Aspirin Dosing in Diabetic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "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": 20,
      "start_date": "2009-01",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2012-03-06",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01201785"
    },
    {
      "nct_id": "NCT02836652",
      "title": "Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "HeartMate II (HMII)",
          "type": "DEVICE"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "acetylsalicylic acid (ASA) therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2016-11",
      "completion_date": "2019-07-18",
      "has_results": true,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02836652"
    },
    {
      "nct_id": "NCT02268565",
      "title": "Preventing the Inflammatory Response to Experimentally-induced Insomnia Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 8,
      "start_date": "2014-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-15",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02268565"
    },
    {
      "nct_id": "NCT01586975",
      "title": "Aspirin Resistance and Stroke Risk: Platelet Function Analysis in Patients With Ischemic Events",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Stroke",
        "Myocardial Infarctions"
      ],
      "interventions": [
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "Aspirin 81 mg",
          "type": "DRUG"
        },
        {
          "name": "Aspirin >300 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2007-07",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2015-12-31",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01586975"
    },
    {
      "nct_id": "NCT02285738",
      "title": "Anti-Platelet and Statin Therapy to Prevent Cancer-Associated Thrombosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Solid Tumor",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin",
          "type": "DRUG"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive 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": 17,
      "start_date": "2014-12-30",
      "completion_date": "2018-10-01",
      "has_results": false,
      "last_update_posted_date": "2019-05-08",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02285738"
    },
    {
      "nct_id": "NCT04295850",
      "title": "Antenatal Platelet Response On Aspirin and Correlation With HDP (Hypertensive Disorders of Pregnancy)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preeclampsia"
      ],
      "interventions": [
        {
          "name": "Aspirin 81 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 60 Years · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2020-08-21",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-09-30T05:58:30.947Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04295850"
    }
  ]
}