{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Aspirin+Resistance+testing",
    "query": {
      "intervention": "Aspirin Resistance testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T21:25:18.276Z",
  "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": "NCT07597239",
      "title": "Thromboelastography With Platelet Mapping to Guide Antiplatelet Therapy After Lower Extremity Revascularization",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thrombosis",
        "Arterial Occlusive Diseases",
        "Thromboelastography (TEG)",
        "Peripheral Arterial Disease(PAD)",
        "Stent Thrombosis",
        "Platelet Inhibition",
        "PRU(Platelet Reactivity Unit)"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "Ticagrelor",
          "type": "DRUG"
        },
        {
          "name": "Platelet Reactivity Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Thromboelastography with Platelet Mapping",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2020-11-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07597239"
    },
    {
      "nct_id": "NCT03174990",
      "title": "Aspirin and Thienopyridine Resistance in Peripheral Arterial Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease",
        "Clopidogrel, Poor Metabolism of"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 195,
      "start_date": "2010-08-31",
      "completion_date": "2013-12-20",
      "has_results": false,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03174990"
    },
    {
      "nct_id": "NCT01408927",
      "title": "Prevalence and Level of Thienopyridine Resistance Seen in a Contemporary Percutaneous Coronary Intervention or Coronary Artery Bypass Graft Population",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Increased Drug Resistance"
      ],
      "interventions": [
        {
          "name": "Thienopyridine resistance testing",
          "type": "OTHER"
        },
        {
          "name": "Aspirin resistance testing",
          "type": "OTHER"
        },
        {
          "name": "Genetic polymorphism assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medstar Health 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": 1000,
      "start_date": "2008-10",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2014-08-11",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01408927"
    },
    {
      "nct_id": "NCT01047722",
      "title": "In-Vivo Bleeding Volume Test for Platelet-Aspirin Interaction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Aspirin ingestion followed by doing a Bleeding Volume Test",
          "type": "DRUG"
        },
        {
          "name": "Gatorade Placebo followed by Bleeding Volume Test.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Klein, Jeffrey A., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 100,
      "start_date": "2010-01",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2015-07-21",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 2,
      "location_summary": "Newport Beach, California • San Juan Capistrano, California",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Juan Capistrano",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01047722"
    },
    {
      "nct_id": "NCT07613840",
      "title": "Personalizing Thromboprophylaxis for Patients With Peripheral Artery Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease (PAD)",
        "Amputation",
        "Thrombosis",
        "Thrombosis (Stent Thrombosis)",
        "Platelet Aggregation Inhibitors",
        "Thromboelastography (TEG)",
        "PRU(Platelet Reactivity Unit)"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel",
          "type": "DRUG"
        },
        {
          "name": "Ticagrelor",
          "type": "DRUG"
        },
        {
          "name": "Rivaroxaban",
          "type": "DRUG"
        },
        {
          "name": "Thromboelastography with Platelet Mapping",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "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": 484,
      "start_date": "2025-04-29",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Salem, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Salem",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07613840"
    },
    {
      "nct_id": "NCT03930875",
      "title": "Aspirin Resistance in OSA Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Aspirin Resistance testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Danbury Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 63,
      "start_date": "2017-12-12",
      "completion_date": "2018-09-07",
      "has_results": false,
      "last_update_posted_date": "2019-04-29",
      "last_synced_at": "2026-09-08T21:25:18.276Z",
      "location_count": 1,
      "location_summary": "Danbury, Connecticut",
      "locations": [
        {
          "city": "Danbury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930875"
    }
  ]
}