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Serving leading biopharmaceutical companies globally:

US Army
Healthtrust
Novartis
UBS
Express Scripts
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Daiichi Sankyo
Mallinckrodt
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Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 7,776,838

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Which drugs does patent 7,776,838 protect, and when does it expire?


Patent 7,776,838 protects VISTOGARD and is included in one NDA.

This patent has one hundred and seventy-two patent family members in twenty-one countries.

Summary for Patent: 7,776,838

Title:Treatment of chemotherapeutic agent and antiviral agent toxicity with acylated pyrimidine nucleosides
Abstract: The subject invention discloses compounds, compositions and methods for treatment and prevention of toxicity due to chemotherapeutic agents and antiviral agents. Disclosed are acylated derivatives of non-methylated pyrimidine nucleosides. These compounds are capable of attenuating damage to the hematopoietic system in animals receiving antiviral or antineoplastic chemotherapy.
Inventor(s): von Borstel; Reid W. (Potomac, MD), Bamat; Michael K. (Potomac, MD)
Assignee: Wellstat Therapeutics Corporation (Gaithersburg, MD)
Application Number:08/460,186
Patent Claim Types:
see list of patent claims
Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Patent Submitted Product Substance Delist Req. Patented / Exclusive Use
Wellstat TherapVISTOGARDuridine triacetateGRANULE;ORAL208159-001Dec 11, 2015RXYesYes► Subscribe► Subscribe► SubscribeEMERGENCY TREATMENT OF ADULT & PEDIATRIC PATIENTS FOLLOWING FLUOROURACIL OR CAPECITABINE OVERDOSE,OR WHO EXHIBIT EARLY-ONSET,SEVERE OR LIFE-THREATENING CARDIAC OR CNS TOXICITY OR UNUSUALLY SEVERE ADVERSE REACTIONS WITHIN 96 HOURS
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Non-Orange Book Patents for Patent: 7,776,838

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
6,329,350 Pyrimidine nucleotide precursors for treatment of systemic inflammation and inflammatory hepatitis► Subscribe
6,306,834 Acyl deoxyribonucleoside derivatives and uses thereof► Subscribe
5,968,914 Treatment of chemotherapeutic agent and antiviral agent toxicity with acylated pyrimidine nucleosides► Subscribe
6,348,451 Acyl deoxyribonucleoside derivatives and uses thereof► Subscribe
6,274,563 Acylated uridine and cytidine and uses thereof► Subscribe
6,103,701 Method for enhancing hematopoiesis with acyl deoxyribonucleosides► Subscribe
5,246,708 Methods for promoting wound healing with deoxyribonucleosides► Subscribe
6,919,320 Pharmaceutical compositions containing deoxyribonucleosides for wound healing► Subscribe
7,166,581Treatment of chemotherapeutic agent and antiviral agent toxicity with acylated pyrimidine nucleosides► Subscribe
6,020,320 Acyl deoxyribonucleoside derivatives and uses thereof► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 7,776,838

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Russian Federation2158269► Subscribe
Russian Federation2115410► Subscribe
Portugal1491201► Subscribe
Portugal679160► Subscribe
Norway970631► Subscribe
Norway20041007► Subscribe
Norway904611► Subscribe
Norway20016068► Subscribe
Norway317199► Subscribe
Russian Federation2203669► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Queensland Health
Baxter
UBS
AstraZeneca
US Department of Justice
Cerilliant
Daiichi Sankyo
Julphar
Fish and Richardson
Johnson and Johnson

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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