Clinical trials: Aspirin Resistance
Systemic Lupus Erythematosus
Aspirin Resistance in Systemic Lupus Erythematosus (SLE)
This study examine whether patients with lupus respond to aspirin , and if not, if that is related to inflammation. We examine the ability of aspirin to inhibit the production of thromboxane in patients with lupus and controls…
- Trial name
- NCT00731302
- Testing
- aspirin and meloxicam
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Obstructive Sleep Apnea
Aspirin Resistance in OSA Patients
Obstructive Sleep Apnea (OSA) patients are at increased risk of major cardiovascular events, so many patients take aspirin for prevention.
- Trial name
- NCT03930875
- Testing
- Aspirin Resistance testing
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Danbury Hospital
Ulcers, Duodenal and Gastric
Comparative Bioavailability Study of Two Test Products of Fixed Dose Combination Capsule of Acetylsalicylic Acid (ASA) and Pantoprazole (Each Capsule Contains ASA 100 mg and Pantoprazole 20 mg) Under Fed Conditions
An open label, balanced, randomized, three-treatment, three-period, six-sequence, cross-over, single dose, comparative bioavailability pilot study under fed conditions.
- Trial name
- NCT01847417
- Testing
- Test 1= ASA 100 mg and pantoprazole 20 mg capsule formulation one, Test 2= ASA 100 mg and pantoprazole 20 mg capsule formulation two, ASA 100 mg tablet
- Where
- India
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Episodic Migraine, Chronic Migraine
Aspirin Resistance in Women With Migraine
The purpose of this study is to compare the rates of aspirin resistance (high residual platelet reactivity) between women with episodic and chronic migraine and women without migraine.
- Trial name
- ARWM (NCT01257893)
- Testing
- Aspirin (acetylsalicylic acid)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Swedish Medical Center
Healthy
Validation of an Assay to Measure Cyclooxygenase-1 Activity
The purpose of this study is to obtain a reference range for a newly developed assay of ex vivo platelet COX-1 activity in normal volunteers taking a routine clinical dose of aspirin.
- Trial name
- NCT00761891
- Testing
- Chewable aspirin
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Peripheral Arterial Disease, Clopidogrel, Poor Metabolism of
Aspirin and Thienopyridine Resistance in Peripheral Arterial Disease
This study evaluates the effects of Aspirin and thienopyridine resistance in relation to clinical cardiovascular outcomes as the genetic predictors of, and outcomes associated with aspirin and thienopyridine resistance in…
- Trial name
- NCT03174990
- Where
- United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Platelet Aggregation
Measurement of Platelet Dense Granule Release in Healthy Volunteers
Aspirin has been shown to reduce cardiovascular events in at risk individuals. Elucidation of mechanisms of aspirin resistance and a possible loss of effect of aspirin over time with chronic aspirin treatment necessitate a more…
- Trial name
- NCT00942617
- Testing
- Aspirin
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Vanderbilt University
Diabetes Type 2
Effects of Different Doses of Aspirin on Pathophysiological Markers in Type 2 Diabetes
This study was set up to assess the effects of different doses of aspirin when compared with placebo (dummy drug), used sequentially over a 2 week study period with a 2 week wash-out (rest period) in between, in people with…
- Trial name
- NCT00898950
- Testing
- Aspirin
- Where
- 2 sites in United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Portsmouth
Aspirin Resistance, Pharmacological Aspirin Non-responsiveness
Mechanism Based Resistance to Aspirin
The purpose of this research is to study why some people do not respond to the benefits of aspirin therapy. The benefit of aspirin is cardioprotection, or decreasing the risk of heart attack and/or stroke.
- Trial name
- NCT00948987
- Testing
- Aspirin
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
End Stage Renal Disease
Investigation of Platelet Function and Aspirin Resistance in Chronic Dialysis Patient
The purpose of this study is to determine whether aspirin resistance has impact on cardiovascular event in dialysis patient.
- Trial name
- NCT01045785
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Drug Resistance
Danish Aspirin Resistance Trial - Pilot Study
Despite treatment with aspirin a large number of patients suffer a myocardial infarction. It has been speculated that these patients might be "resistant" to aspirin, and studies have indicated that this phenomenon is related to a…
- Trial name
- NCT00389129
- Testing
- acetylsalicylic acid
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Platelet Dysfunction Due to Drugs
Aspirin Resistance in Trinidad.
Aspirin's beneficial effect is mediated via the inhibition of arachidonic acid (AA) activation of platelets. It is detected by demonstrating a decrease in platelet function and/or a decrease in prostaglandin metabolites.
- Trial name
- ART (NCT06228820)
- Testing
- Aspirin 81Mg Ec Tab
- Where
- Trinidad and Tobago
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Increased Drug Resistance
The Effects of Omega-3 Fatty Acids on Aspirin Resistance
The purpose of this study is to determine if omega-3 fatty acids enhance the antiplatelet effects of aspirin.
- Trial name
- NCT00771914
- Testing
- Aspirin, Lovaza, Both Aspirin and Lovaza
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Aspirin Resistance, Hypercholesterolemia
The Effect of Serum LDL Lowering on Aspirin Resistance
Aspirin resistance is the persistent platelet activation, demonstrated by platelet function tests (1). The hypothesis is that:LDL lowering by statin in patients with aspirin resistance can improve the effect of aspirin due to the…
- Trial name
- NCT00466154
- Testing
- Aspirin
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ziv Hospital
Healthy
In-Vivo Bleeding Volume Test for Platelet-Aspirin Interaction
Purpose of the present research project is to study a new in-vivo test for abnormal platelet function and to study the effect of certain drugs on clinical bleeding.
- Trial name
- Aspirin-BVT (NCT01047722)
- Testing
- Aspirin ingestion followed by doing a Bleeding Volume Test
- Where
- 2 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Klein, Jeffrey A., M.D.
Platelet Dysfunction Due to Aspirin
Genotypic and Phenotypic Correlates of Resistance to Aspirin
The study seeks to identify genomic markers associated with aspirin resistance.
- Trial name
- ARSENAL (NCT01361620)
- Testing
- aspirin
- Where
- United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- George Washington University
Drug Resistance
Laboratory Aspirin Resistance in Diabetics and Non-Diabetics
Despite treatment with aspirin a large number of patients suffer a myocardial infarction. It has been speculated that these patients might be "resistant" to aspirin, and studies have indicated that this phenomenon is related to a…
- Trial name
- NCT00563875
- Testing
- acetylsalicylic acid
- Where
- Denmark
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Ulcers, Duodenal and Gastric
Comparative Bioavailability Study of Two Test Products of Fixed Dose Combination Capsule of ASA (Acetylsalicylic Acid) and Pantoprazole (Each Capsule Contains ASA 100 mg and Pantoprazole 20 mg) Under Fasting Conditions
An open label, balanced, randomized, three-treatment, three-period, six-sequence, cross-over, single dose, comparative bioavailability pilot study under fasting conditions.
- Trial name
- NCT01847404
- Testing
- Test 1= ASA 100 mg and pantoprazole 20 mg capsule formulation one, Test 2= ASA 100 mg and pantoprazole 20 mg capsule formulation two, ASA 100 mg tablet
- Where
- India
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Cardiovascular Diseases, Metabolic Syndrome X
Aspirin Dose and Atherosclerosis in Patients With Metabolic Syndrome
The purpose of the study is to test higher versus lower doses of aspirin on markers of atherosclerosis in patients at risk of a first heart attack.
- Conditions
- Cardiovascular Diseases, Metabolic Syndrome X, Atherosclerosis
- Trial name
- PAD (NCT00272311)
- Testing
- Aspirin
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Florida Atlantic University