{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Acetylsalicylic+Acid+%28Aspirin+BAY1019036%29",
    "query": {
      "intervention": "Acetylsalicylic Acid (Aspirin BAY1019036)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T19:38:25.940Z",
  "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": "NCT03056703",
      "title": "Bioequivalence of Single Dose Fast Release Aspirin (1000 mg) Tablet Versus Single Dose of Two 500 mg Fast Release Aspirin Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic acid (Aspirin, BAY1019036)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2014-02",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2017-02-17",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03056703"
    },
    {
      "nct_id": "NCT02313909",
      "title": "Rivaroxaban Versus Aspirin in Secondary Prevention of Stroke and Prevention of Systemic Embolism in Patients With Recent Embolic Stroke of Undetermined Source (ESUS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Rivaroxaban (Xarelto, BAY59-7939)",
          "type": "DRUG"
        },
        {
          "name": "Acetylsalicylic acid (Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Rivaroxaban-Placebo",
          "type": "OTHER"
        },
        {
          "name": "Aspirin-Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 7213,
      "start_date": "2014-12-23",
      "completion_date": "2018-02-15",
      "has_results": true,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 38,
      "location_summary": "Tucson, Arizona • Long Beach, California • Stanford, California + 32 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02313909"
    },
    {
      "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": "2026-10-07T19:38:25.940Z",
      "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": "NCT01420094",
      "title": "Evaluate Onset of Action of a Fast Release Aspirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Acetylsalicyclic acid (Fast release Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen (Tylenol extra strength)",
          "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": 510,
      "start_date": "2011-06-16",
      "completion_date": "2011-09-08",
      "has_results": false,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01420094"
    },
    {
      "nct_id": "NCT01117636",
      "title": "Evaluate Analgesic Efficacy of Fast Release Aspirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Drugs, Investigational"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic acid (Fast release Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Acetylsalicylic Acid (Aspirin, BAYE4465)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "16 Years to 45 Years"
      },
      "enrollment_count": 514,
      "start_date": "2010-04-28",
      "completion_date": "2010-07-07",
      "has_results": false,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "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/NCT01117636"
    },
    {
      "nct_id": "NCT01552798",
      "title": "Efficacy of a Single Dose of Aspirin vs. Acetaminophen in Tension Type Headache",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Headache"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic acid (Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 9,
      "start_date": "2012-03-12",
      "completion_date": "2012-06-04",
      "has_results": false,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01552798"
    },
    {
      "nct_id": "NCT01081353",
      "title": "Pharmacokinetic Study Comparing Aspirin and Effervescent Aspirin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic Acid (Aspirin BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Alka Seltzer Extra Strength",
          "type": "DRUG"
        },
        {
          "name": "Aspirin Migraine",
          "type": "DRUG"
        },
        {
          "name": "Aspirin Aspro",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2010-02",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2014-06-26",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01081353"
    },
    {
      "nct_id": "NCT01453400",
      "title": "Evaluate the Time of Pain Relief of Fast Acting Aspirin Versus Acetaminophen in Subjects Diagnosed With Sore Throat Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pharyngitis"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic Acid (Aspirin, BAY1019036) + placebo",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen + placebo",
          "type": "DRUG"
        },
        {
          "name": "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": 177,
      "start_date": "2011-09-27",
      "completion_date": "2012-04-06",
      "has_results": false,
      "last_update_posted_date": "2018-12-07",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453400"
    },
    {
      "nct_id": "NCT01072604",
      "title": "Pharmacokinetic Study Comparing Aspirin and Aspirin Granules",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic acid (Aspirin, BAY1019036)",
          "type": "DRUG"
        },
        {
          "name": "Acetylsalicylic acid (Aspirin, BAYE4465)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-07",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-10-07T19:38:25.940Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01072604"
    }
  ]
}