{
  "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": "2026-10-04T06:14:47.565Z",
  "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": "NCT01547390",
      "title": "Early Prevention of Preeclampsia Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preeclampsia"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 104,
      "start_date": "2012-03",
      "completion_date": "2015-07-20",
      "has_results": true,
      "last_update_posted_date": "2018-06-29",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547390"
    },
    {
      "nct_id": "NCT02084615",
      "title": "Prospective Study Investigating Aspirin and Intraoperative Blood Loss and Complications Following Inguinal Hernia Repair",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hernia, Inguinal",
        "Postoperative Complications",
        "Postoperative Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jesse Brown VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2014-08",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-18",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02084615"
    },
    {
      "nct_id": "NCT02545933",
      "title": "Vorapaxar in Patients With Prior Myocardial Infarction Treated With Prasugrel and Ticagrelor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "Prasugrel",
          "type": "DRUG"
        },
        {
          "name": "Vorapaxar",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Ticagrelor",
          "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": 130,
      "start_date": "2016-02",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02545933"
    },
    {
      "nct_id": "NCT00467363",
      "title": "The Effects of Aspirin in Gestation and Reproduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Birth",
        "Spontaneous Abortion"
      ],
      "interventions": [
        {
          "name": "acetylsalicylic-acid (aspirin)",
          "type": "DRUG"
        },
        {
          "name": "Folic acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 1228,
      "start_date": "2007-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2017-02-03",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Buffalo, New York • Scranton, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Scranton",
          "state": "Pennsylvania"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00467363"
    },
    {
      "nct_id": "NCT01199328",
      "title": "Study to Evaluate the Interaction Between Aspirin and Nexium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Esomeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 34,
      "start_date": "2010-09",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2010-11-19",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199328"
    },
    {
      "nct_id": "NCT03150667",
      "title": "Study Comparing Treatment Effectiveness of Guideline Indicated APT for ACS in Patients With CKD",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Kidney Diseases",
        "Acute Coronary Syndrome"
      ],
      "interventions": [
        {
          "name": "Ticagrelor",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "North Texas Veterans Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2017-04-10",
      "completion_date": "2020-04-30",
      "has_results": false,
      "last_update_posted_date": "2018-05-25",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Dallas, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03150667"
    },
    {
      "nct_id": "NCT01049633",
      "title": "B-Lymphocyte Immunotherapy in Islet Transplantation for Initial Islet Graft Failure",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Type 1 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Allogeneic Pancreatic Islet Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Basiliximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Antibacterial, Antifungal, and Antiviral Prophylaxis",
          "type": "DRUG"
        },
        {
          "name": "Trimethoprim/sulfamethoxazole",
          "type": "DRUG"
        },
        {
          "name": "Clotrimazole",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Heparin",
          "type": "DRUG"
        },
        {
          "name": "Enoxaparin",
          "type": "DRUG"
        },
        {
          "name": "Pentoxifylline",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-06-11",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049633"
    },
    {
      "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": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04295850"
    },
    {
      "nct_id": "NCT00753935",
      "title": "Aspirin Resistance in Coronary Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "enteric-coated aspirin",
          "type": "DRUG"
        },
        {
          "name": "Chewable aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2006-06",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2018-04-19",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00753935"
    },
    {
      "nct_id": "NCT05567562",
      "title": "Anti-Platelets in Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COPD",
        "Emphysema",
        "Emphysema or COPD"
      ],
      "interventions": [
        {
          "name": "dual anti-platelet therapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2024-03-27",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-04T06:14:47.565Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05567562"
    }
  ]
}