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Last Updated: September 28, 2020

DrugPatentWatch Database Preview

Details for Patent: 9,549,926

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Which drugs does patent 9,549,926 protect, and when does it expire?

Patent 9,549,926 protects LETAIRIS and is included in one NDA.

This patent has thirty-four patent family members in twenty-four countries.

Summary for Patent: 9,549,926
Title:Compositions and methods of treating pulmonary hypertension
Abstract: Provided are formulations comprising therapeutically effective amounts of ambrisentan or a pharmaceutically acceptable salt thereof and tadalafil or a pharmaceutically acceptable salt thereof and methods of treating and/or preventing pulmonary hypertension by administration of the formulations.
Inventor(s): Belardinelli; Luiz (Palo Alto, CA), Gillies; Hunter Campbell (El Granada, CA), Liang; Faquan (San Francisco, CA), Shryock; John (East Palo Alto, CA), Yang; Suya (Palo Alto, CA)
Assignee: Gilead Sciences, Inc. (Foster City, CA)
Application Number:14/079,548
Patent Claim Types:
see list of patent claims
Use; Delivery;

Drugs Protected by US Patent 9,549,926

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Gilead LETAIRIS ambrisentan TABLET;ORAL 022081-001 Jun 15, 2007 AB RX Yes No   Start Trial   Start Trial FOR THE TREATMENT OF PULMONARY ARTERIAL HYPERTENSION (PAH) IN COMBINATION WITH TADALAFIL, WHEREIN THE WEIGHT RATIO OF AMBRISENTAN TO TADALAFIL IS ABOUT 1:2 TO ABOUT 1:3   Start Trial
Gilead LETAIRIS ambrisentan TABLET;ORAL 022081-002 Jun 15, 2007 AB RX Yes Yes   Start Trial   Start Trial FOR THE TREATMENT OF PULMONARY ARTERIAL HYPERTENSION (PAH) IN COMBINATION WITH TADALAFIL, WHEREIN THE WEIGHT RATIO OF AMBRISENTAN TO TADALAFIL IS ABOUT 1:2 TO ABOUT 1:3   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
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Merck
AstraZeneca
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Boehringer Ingelheim

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