We updated the design of this site on September 25th. Learn more.
Show more
ClinicalTrials.gov
ClinicalTrials.gov Menu

Study Evaluating Effect of Esomeprazole, Omeprazole or Lansoprazole on the Pharmacodynamics (PD) and Pharmacokinetics (PK) of Clopidogrel

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01147588
First Posted: June 22, 2010
Last Update Posted: June 28, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
AstraZeneca
  Purpose
The aim of this study is to determine if there is a pharmacological interaction between clopidogrel and different types of proton pump inhibitors (PPIs), and if the extent of this possible interaction would change over time.

Condition Intervention Phase
Healthy Drug: lansoprazole Drug: omeprazole Drug: esomeprazole Drug: clopidogrel Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Primary Purpose: Basic Science
Official Title: An Open-label, Randomized, 4-treatment, 3-period, Crossover Interaction Study, Evaluating the Effect of Esomeprazole 40 mg, Omeprazole 80 mg or Lansoprazole 60 mg on the Pharmacodynamics and the Pharmacokinetics of Clopidogrel in Healthy Volunteers

Resource links provided by NLM:


Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the inhibition of platelet aggregation (mIPA). [ Time Frame: Baseline ]
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the inhibition of platelet aggregation (mIPA). [ Time Frame: Day 2 ]
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the inhibition of platelet aggregation (mIPA). [ Time Frame: Day 6 ]
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the inhibition of platelet aggregation (mIPA). [ Time Frame: Day 15 ]
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the inhibition of platelet aggregation (mIPA). [ Time Frame: Day 30 ]

Secondary Outcome Measures:
  • Assess the effect of esomeprazole 40 mg, omeprazole 80 mg or lansoprazole 60 mg on the PK profile of clopidogrel active metabolite by assessing the AUC, AUC 0-t and Cmax after the loading dose of clopidogrel (Day 1) and AUC 0-t, ss and Css, max. [ Time Frame: Days 5,14, 29 ]
  • Evaluate the safety and tolerability of clopidogrel given concomittantly with esomeprazole, omeprazole or lansoprazole by assessment of adverse events and calculation of change from baseline for clinical laboratory tests, vital signs and pECG. [ Time Frame: Every in-house day ]

Enrollment: 149
Study Start Date: May 2010
Study Completion Date: May 2011
Primary Completion Date: May 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
lansoprazole 60 mg + clopidogrel 300 mg/ 75 mg
Drug: lansoprazole
60 mg (2x30-mg capsule), once daily
Drug: clopidogrel
300 mg loading dose on Day 1 then 75 mg daily for 28 days
Experimental: 2
omeprazole 80 mg + clopidogrel 300/75 mg
Drug: omeprazole
80 mg (2x40-mg capsule), once daily
Drug: clopidogrel
300 mg loading dose on Day 1 then 75 mg daily for 28 days
Experimental: 3
esomeprazole 40 mg + clopidogrel 300/75 mg
Drug: esomeprazole
40 mg (1x40-mg capsule), once daily
Drug: clopidogrel
300 mg loading dose on Day 1 then 75 mg daily for 28 days
Experimental: 4
clopidogrel 300/75 mg alone
Drug: clopidogrel
300 mg loading dose on Day 1 then 75 mg daily for 28 days

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy males within the age of 18-45 years and females within the age of 18-55 years with suitable veins for cannulation or repeated vein puncture. Females must be of non-childbearing potential.
  • Weight of 50-95kg, inclusive, and a BMI between 19-30 kg/m2, inclusive.
  • No clinically significant abnormal findings as judged by the Investigator on enrollment physical exam.

Exclusion Criteria:

  • History of any clinically significant disease or disorder which, in the opinion of the investigator, may either put the volunteer at risk because of participation in the study, or influence the results or the volunteer's ability to participate in study.
  • History or presence of gastrointestinal e.g. GI ulcer, hepatic or renal disease or any other condition known to interfere with absorption, distribution, metabolism or excretion of drugs.
  • Any clinically significant illness within 4 weeks of the first administration of investigational product. Any medical/surgical procedure or trauma within 3 months of the treatment period; scheduled surgery, including dental surgery within 2 weeks.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01147588


Locations
United States, Kansas
Research Site
Overland Park, Kansas, United States
Sponsors and Collaborators
AstraZeneca
Investigators
Principal Investigator: Kelli Craven, MD Quintiles, Inc.
Study Director: Ken Price AstraZeneca
Study Chair: Mirjana Kujacic AstraZeneca
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: MSD, AstraZeneca
ClinicalTrials.gov Identifier: NCT01147588     History of Changes
Other Study ID Numbers: D9612C00034
First Submitted: June 4, 2010
First Posted: June 22, 2010
Last Update Posted: June 28, 2011
Last Verified: June 2011

Keywords provided by AstraZeneca:
open label
randomized
4-treatment
3-period
crossover
interaction study
Safety
tolerability
pharmacokinetics
pharmacodynamics

Additional relevant MeSH terms:
Clopidogrel
Ticlopidine
Omeprazole
Esomeprazole
Lansoprazole
Dexlansoprazole
Platelet Aggregation Inhibitors
Purinergic P2Y Receptor Antagonists
Purinergic P2 Receptor Antagonists
Purinergic Antagonists
Purinergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs
Fibrinolytic Agents
Fibrin Modulating Agents
Cytochrome P-450 CYP2C19 Inhibitors
Cytochrome P-450 Enzyme Inhibitors
Enzyme Inhibitors
Anti-Ulcer Agents
Gastrointestinal Agents
Proton Pump Inhibitors