NCT01744288

Brief Summary

Study to see if platelet transfusion stop or lessen the effect of the drug on platelets

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
258

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Dec 2012

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2012

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

December 5, 2012

Completed
1 day until next milestone

First Posted

Study publicly available on registry

December 6, 2012

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2014

Completed
Last Updated

April 24, 2014

Status Verified

April 1, 2014

Enrollment Period

1.3 years

First QC Date

December 5, 2012

Last Update Submit

April 23, 2014

Conditions

Keywords

Phase 1 Safety ,pharmacodynamic,Ticagrelor,Clopidogrel,Platelets

Outcome Measures

Primary Outcomes (1)

  • Pharmacodynamics in terms of percent of inhibition of adenosine phosphatase (ADP)-induced platelet aggregation assessed by light transmission aggregometry (LTA) after loading dose of Ticagrelor

    Predose, 0h, 2h,6h,12h,24h,36h,48h,60h,72h,84h and 96h

Secondary Outcomes (4)

  • Pharmacodynamics in terms of platelet reactivity as measured by P2Y12 Reaction Units (PRU) using VerifyNow™ after loading dose of Ticagrelor

    Predose, 0h, 2h,6h,12h,24h,36h,48h,60h,72h,84h and 96h

  • Pharmacodynamics in terms of platelet reactivity as measured by P2Y12 Reaction Units (PRU) using VerifyNow™ after loading dose of Clopidogrel

    Predose, 0h, 2h,6h,12h,24h,36h,48h,60h,72h,84h and 96h

  • Pharmacodynamics in terms of percent of inhibition of adenosine phosphatase (ADP)-induced platelet aggregation assessed by light transmission aggregometry (LTA) after loading dose of Clopidogrel

    Predose, 0h, 2h,6h,12h,24h,36h,48h,60h,72h,84h and 96h

  • Safety profile in terms of adverse events, blood pressure, pulse, temperature, ECG (Electrocardiogram), physical examination, and safety laboratory variables

    up to 9 weeks

Study Arms (4)

1

EXPERIMENTAL

Ticagrelor with Platelet transfusion

Drug: TicagrelorDrug: ASA

2

EXPERIMENTAL

Ticagrelor without Platelet transfusion

Drug: TicagrelorDrug: ASA

3

ACTIVE COMPARATOR

Clopidogrel with Platelet transfusion

Drug: ClopidogrelDrug: ASA

4

ACTIVE COMPARATOR

Clopidogrel without Platelet transfusion

Drug: ClopidogrelDrug: ASA

Interventions

Oral single loading dose 180ng

12

Oral single loading dose 600mg

34
ASADRUG

81mg once daily from day -2 up to platelet transfusion

1234

Eligibility Criteria

Age18 Years - 50 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Provision of signed and dated, written informed consent prior to any study specific procedures
  • Healthy male and/or female volunteers aged 18 to 50 years, inclusive, with suitable veins for cannulation or repeated venipuncture. (Healthy as determined by medical history and physical examination, laboratory parameters, electrocardiogram (ECG) perform
  • Have a body mass index (BMI) between 18 and 35 kg/m2 (inclusive) and weigh at least 50 kg and no more than 120 kg

You may not qualify if:

  • ADP induced platelet aggregation \<60% prior to platelet apheresis
  • History of peptic ulcer disease Healthy volunteers with a propensity to bleed (eg, due to recent trauma, recent surgery, active or recent gastrointestinal bleeding or moderate hepatic impairment)
  • Any clinically significant illness, medical/surgical procedure or trauma within 4 weeks of the first administration of the investigational product
  • Current smokers, those who have smoked or used nicotine products within the previous 3 months and those who tested positive for cotinine at screening or at admission to the study center

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Research Site

Overland Park, Kansas, United States

Location

MeSH Terms

Interventions

TicagrelorClopidogrel

Intervention Hierarchy (Ancestors)

AdenosinePurine NucleosidesPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsNucleosidesNucleic Acids, Nucleotides, and NucleosidesRibonucleosidesTiclopidineThienopyridinesThiophenesSulfur CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-Ring

Study Officials

  • Glenn Carlson, MD

    AstraZeneca Wilmington US

    STUDY CHAIR
  • Phil Leese, MD

    Overland Park US, Quintiles, Inc

    PRINCIPAL INVESTIGATOR
  • Judi Hsia, MD

    Wilmington, US AstraZeneca

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 5, 2012

First Posted

December 6, 2012

Study Start

December 1, 2012

Primary Completion

April 1, 2014

Study Completion

April 1, 2014

Last Updated

April 24, 2014

Record last verified: 2014-04

Locations