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Explorative Study of AZD1305 in Atrial Fibrillation Patients

Phase 2
Completed
Conditions
Atrial Fibrillation
Interventions
Drug: AZD1305
Drug: Placebo
Registration Number
NCT00643448
Lead Sponsor
AstraZeneca
Brief Summary

Explorative study in Atrial Fibrillation patients to assess Safety and Pharmacokinetics at initiation of treatment and at steady state

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
65
Inclusion Criteria
  • Documented Atrial Fibrillation but in stable SR for at least 2 h and a maximum of 28 days.
  • Sinus rhythm at randomisation
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Exclusion Criteria
  • Haemodynamically unstable condition as judged by the Investigator, systolic BP <100 mmHg or >180 mmHg, or diastolic BP >105 mmHg at randomisation
  • Personal or family history of Torsades de Pointes (TdP), any other polymorphic ventricular tachycardia (PVT), sustained ventricular tachycardia, long QT syndrome and/or Brugada syndrome
  • Sinus bradycardia (<50 beats per minute (bpm)) at randomisation
  • QTc (Fridericia, QTcF ) >450 ms measured in sinus rhythm at randomisation,
  • Serum potassium below 3.8 or above 5.0 mmol/L or plasma potassium below 3.6 or above 5.0 mmol/L
  • QRS duration >120 ms at randomisation
  • Use of any antiarrhythmic drug class I and/or III, digitalis glycoside, QT prolonging drug and/or drug that inhibits CYP3A4, as well as St John's Worth
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AZD1305 loading dose 250 mg + 125 mgAZD1305Tablets
AZD1305 loading dose 500 mg + placeboAZD1305Tablets
Placebo corresponding to AZD1305 loading dosePlaceboTablets
Primary Outcome Measures
NameTimeMethod
Maximum QTcFDuring treatment days 2-10

Maximum of all QTcF values obtained for any given patient from randomisation until the intended end of the study drug period, day 10.

Secondary Outcome Measures
NameTimeMethod
Estimated Cmax (Maximum Plasma Concentration) (PK Modeling) at Steady-stateDuring treatment days 1-10

Population PK model parameter estimates derived from plasma concentrations of AZD1305

Adverse Events (AE)During treatment days 2-10

Number of patients who had at least one AE according to the definition in the study protocol

Compliance With Trans Telephonic Monitoring (TTM)During treatment days 1-10

Percentage of twice daily TTM recordings (individual compliance) transmitted and available for analysis

Trial Locations

Locations (1)

Research Site

🇸🇪

Goteborg, Sweden

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