{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetylsalicylic+acid+%28Aspirin%29&page=20",
    "query": {
      "intervention": "Acetylsalicylic acid (Aspirin)",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 588,
    "total_pages": 59,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetylsalicylic+acid+%28Aspirin%29&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetylsalicylic+acid+%28Aspirin%29&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T14:14:31.330Z",
  "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": "NCT02422810",
      "title": "High-Shear Microfluidic Thrombosis Assay",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coagulation Defects, Other and Unspecified"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2015-05",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2018-06-07",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02422810"
    },
    {
      "nct_id": "NCT03907046",
      "title": "Anticoagulation in ICH Survivors for Stroke Prevention and Recovery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Intracerebral Hemorrhage",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2020-01-28",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 186,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 141 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03907046"
    },
    {
      "nct_id": "NCT00474903",
      "title": "Esomeprazole Magnesium With or Without Aspirin in Preventing Esophageal Cancer in Patients With Barrett Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "acetylsalicylic acid",
          "type": "DRUG"
        },
        {
          "name": "esomeprazole magnesium",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2007-04",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2014-07-02",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474903"
    },
    {
      "nct_id": "NCT03207451",
      "title": "Vorapaxar on Thrombin Generation and Coagulability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Peripheral Vascular Disease",
        "Myocardial Infarction"
      ],
      "interventions": [
        {
          "name": "Vorapaxar",
          "type": "DRUG"
        },
        {
          "name": "Vorapaxar and Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Vorapaxar and Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "Vorapaxar, Aspirin, and Clopidogrel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Inova Health Care Services",
      "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": 81,
      "start_date": "2016-01-01",
      "completion_date": "2018-08-01",
      "has_results": true,
      "last_update_posted_date": "2022-08-18",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 1,
      "location_summary": "Falls Church, Virginia",
      "locations": [
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03207451"
    },
    {
      "nct_id": "NCT01776424",
      "title": "Rivaroxaban for the Prevention of Major Cardiovascular Events in Coronary or Peripheral Artery Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prevention & Control"
      ],
      "interventions": [
        {
          "name": "Rivaroxaban (Xarelto, BAY59-7939)",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Aspirin placebo",
          "type": "DRUG"
        },
        {
          "name": "Rivaroxaban placebo",
          "type": "DRUG"
        },
        {
          "name": "Pantoprazole",
          "type": "DRUG"
        },
        {
          "name": "Pantoprazole placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27395,
      "start_date": "2013-02-28",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2022-11-28",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 53,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anaheim, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01776424"
    },
    {
      "nct_id": "NCT01122602",
      "title": "Evaluate Analgesic Efficacy of Fast Release Aspirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Drugs, Investigational"
      ],
      "interventions": [
        {
          "name": "Acetylsalicyclic acid (Fast acting Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Acetylsalicyclic acid (Aspirin, BAYE4465)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "16 Years to 45 Years"
      },
      "enrollment_count": 500,
      "start_date": "2010-04-29",
      "completion_date": "2010-08-06",
      "has_results": false,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 2,
      "location_summary": "Austin, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01122602"
    },
    {
      "nct_id": "NCT06906939",
      "title": "A Randomized Pilot rTMS Trial for Knee Arthritis Pain and Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Depression"
      ],
      "interventions": [
        {
          "name": "repetetive transcranial magnetic stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-06-04",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06906939"
    },
    {
      "nct_id": "NCT00630877",
      "title": "Evaluation of a Flushing ASsessment Tool (FAST) in Subjects Receiving Niacin Extended-release Plus Aspirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dyslipidemia"
      ],
      "interventions": [
        {
          "name": "Niacin extended-release (NER)",
          "type": "DRUG"
        },
        {
          "name": "Niacin extended-release (NER) placebo",
          "type": "DRUG"
        },
        {
          "name": "Aspirin (ASA)",
          "type": "DRUG"
        },
        {
          "name": "Aspirin (ASA) placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 276,
      "start_date": "2008-02",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2009-10-09",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Anaheim, California • Walnut Creek, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Brooksville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00630877"
    },
    {
      "nct_id": "NCT00619073",
      "title": "PACT (Platelet Activity After Clopidogrel Termination)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Platelets",
        "Clopidogrel"
      ],
      "interventions": [
        {
          "name": "clopidogrel + aspirin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2008-04",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2018-05-31",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619073"
    },
    {
      "nct_id": "NCT01239004",
      "title": "Colesevelam Treatment for Impaired Fasting Glucose During Niacin Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dyslipidemia",
        "Hyperlipidemia",
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Colesevelam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Radiant Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2010-11",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-01-06",
      "last_synced_at": "2026-10-14T14:14:31.330Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Kansas City, Kansas • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01239004"
    }
  ]
}