Influenza - Natural History

22/05/00

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Table of Contents

Influenza - Natural History

Influenza Virus Transmission

Respiratory Tract Epithelial Cells Before And After Infection With Influenza A Virus

Symptoms Of Influenza

Complications Of Influenza

Estimated Excess Deaths Attributable To Influenza Among Adults, 1968-1978

Anti-Viral Therapy Why Neuraminidase Inhibitors?

Targeting The Influenza Neuraminidase

Structure-Based Drug Design

Inhibition Of Neuraminidase Enzymes

Zanamivir Is A Potent Inhibitor Of Influenza Virus Replication In Vitro

Influenza Virus: No Evidence Of Resistance To Zanamivir In Clinical Programme

Representative Distribution Of Zanamivir After Inhalation From DiskhalerTM

Very High Local Concentrations Of Zanamivir In Lung After Inhalation

Clinical Programme

European (Phase III) Treatment Study

Patient Assessments

Primary Endpoint

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Demography

Median Time To Alleviation Of Symptoms Influenza-Positive

Median Symptom Severity Scores (Days 1?14). Influenza-Positive

Influenza-Positive: Symptom Severity Percent Change From Baseline (Approx. 24 hours)

Median Time To Return To Normal Activities Influenza-Positive

Median Days To Alleviation Of Symptoms (Phase III Studies) Influenza-Positive 

Purpose Of Pooled Analysis

Phase II And III Zanamivir Treatment Studies

Median Time To Alleviation Of Symptoms 

Median Time To Alleviation Of Symptoms High-Risk Influenza-Positive

Return To Normal Activities Pooled Analysis 

Antibiotic Use For Complications Pooled Analysis

Australian Patient Survey

Influenza Symptoms In Patients Consulting Because Of Influenza (n=1408)

Speed Of Onset Of Symptom Relief (% Patients) : Australian Patient Survey

Time Taken To Resume Normal Activities (% Patients) : Australian Patient Survey

Zanamivir Has A Similar Adverse Event Profile to Placebo in Clinical Trials

Reported Respiratory Adverse Events

Safety

Conclusions

Inhaled Zanamivir For Preventing Transmission Of Influenza In Families

Zanamivir Prophylaxis Study Primary Endpoint

Zanamivir Prophylaxis Study - Conclusions

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Author: A.P. Fiddian 

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