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Profile for Tradename: RELENZA

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Relenza is a drug marketed by Glaxosmithkline and is included in one NDA. It is available from three suppliers. There are two patents protecting this drug.

This drug has one hundred and sixteen patent family members in forty-six countries.

The generic ingredient in RELENZA is zanamivir. Three suppliers are listed for this compound. Additional details are available on the zanamivir profile page.

Summary for Tradename: RELENZA

Patents:2
Applicants:1
NDAs:1
Suppliers / Packagers: see list3

Pharmacology for Tradename: RELENZA

Clinical Trials for: RELENZA

A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza
Status: Recruiting Condition: Influenza, Human

Prophylactic Efficacy of Relenza Against Influenza A and B
Status: Completed Condition: Pulmonary Disease, Chronic Obstructive; Bronchospasm; Influenza, Human; Asthma; Respiratory Disease; Exacerbation of COPD; Bronchitis; Otitis Maedia; Pneumonia; Sinusitis

A Study to Evaluate Orally-Administered Oseltamivir and Intravenous Zanamivir in Healthy Subjects
Status: Withdrawn Condition: Healthy Subjects

Pharmacokinetics of Zanamivir After Single and Repeated Dose Infusion Administration in Healthy Chinese Adults
Status: Completed Condition: Influenza, Human

Relenza® Sentinel Site Monitoring Program in Japan
Status: Completed Condition: Influenza, Human

A Study of Intravenous Zanamivir in the Treatment of Hospitalized Patients With Influenza Infection
Status: Completed Condition: Influenza, Human

Safety Study to Assess IV Zanamivir for Treatment of Influenza Infection in Patients Who Are in Hospital
Status: Recruiting Condition: Influenza, Human

A Study to Evaluate the Effect of Intravenous Zanamivir on Cardiac Conduction in Healthy Volunteers
Status: Completed Condition: Influenza, Human

Special Drug Use Investigation for Relenza® (Zanamivir) (Prophylaxis)
Status: Completed Condition: Influenza, Human

Evaluation of Efficacity and Safety of Oseltamivir and Zanamivir
Status: Terminated Condition: Gastric Influenza

Courtesy of ClinicalTrials.org
See more clinical trials for this drug
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Glaxosmithkline
RELENZA
zanamivir
POWDER;INHALATION021036-001Jul 26, 1999RXYes5,648,379<disabled><disabled>
Glaxosmithkline
RELENZA
zanamivir
POWDER;INHALATION021036-001Jul 26, 1999RXYes6,294,572<disabled>YY<disabled>
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Non-Orange Book Patents for Tradename: RELENZA

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
5,360,817 Derivatives and analogues of 2-deoxy-2,3-didehydro-N-acetyl neuraminic acid and their use as antiviral agents<disabled in preview>
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International Patent Family for Tradename: RELENZA

Country Document Number Publication Date
JapanH05507068Oct 14, 1993
China1057260Dec 25, 1991
Slovakia282950Jan 09, 2003
Canada2291994Oct 14, 2003
Spain2113881May 16, 1998
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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