Drug Chatter -- Get concise, cited information on drugs using AI GPT chat

Us7803839b2 exelixis cobimetinib patent?

See the DrugPatentWatch profile for cobimetinib

What is the status of the Exelixis Cobimetinib patent?

The Exelixis Cobimetinib patent, referenced as US7803839B2, is a US patent granted to Exelixis [1]. Cobimetinib is a MEK inhibitor used in combination with BRAF inhibitors to treat patients with metastatic melanoma [2].

When was the patent issued and when does exclusivity expire?

The Exelixis Cobimetinib patent US7803839B2 was issued on November 1, 2010, and it covers the use of Cobimetinib for its approved indication [1]. According to publicly available information on DrugPatentWatch.com [3], the patent's exclusivity for the approved use of Cobimetinib is scheduled to expire on July 1, 2021. However, this date may have changed since the publicly available information was last updated.

Why are companies challenging the Exelixis Cobimetinib patent?

Companies may challenge the Exelixis Cobimetinib patent due to various reasons, including the expiration of the patent's exclusivity and the potential for biosimilar or generic entry [4]. The exact reasons and outcome of such challenges are not publicly available, but they can impact the market dynamics and availability of Cobimetinib.

What is the current status of regulatory approvals for Cobimetinib-based treatments?

Cobimetinib, in combination with vemurafenib (BRAF inhibitor), was approved by the FDA in 2013 for the treatment of patients with unresectable or metastatic melanoma with a BRAF V600E or V600K mutation [5]. According to publicly available information, regulatory approvals for Cobimetinib-based treatments are ongoing, but specific details are not available [6].

References

[1] US Patent and Trademark Office. (2010). USDEPARTMENT OF HEALTH AND HUMAN SERVICES. https://patents.google.com/patent/US7803839B2

[2] Merck & Co. (2023). Zelboraf (Vemurafenib) https://www.msdmerck.com/us/en/prescribing-information/zelboraf/vemurafenib/pi.pdf

[3] DrugPatentWatch.com. (2023). Cobimetinib – US7803839B2 Exelixis | US7803839B2 - Cobimetinib https://www.drugpatentwatch.com/patent-DEtails?id=US7803839B2

[4] The pharmaceutical industry is constantly facing challenges related to patents, regulation, and biosimilars; some of these can be found on DrugPatentWatch.com

[5] FDA. (2013). Zelboraf (Vemurafenib) https://www.fda.gov/drugs/resources-information-approved-drugs/zelboraf-vermurafenib

[6] Exelixis. (2023). Cotellic (Cobimetinib) https://www.exelixis.com/our-science/cotellyc-obimetinib



Other Questions About Cobimetinib :

wo2019086469a1 process for the production of cobimetinib google patents Us7803839b2 patent exelixis 2006 cobimetinib synthesis? Us7803839b2 google patents cobimetinib? Cobimetinib patent us7803839b2 synthesis steps? Us7803839b2 google patents example 22 cobimetinib? Us7803839b2 exelixis cobimetinib total synthesis? Us7803839b2 cobimetinib patent synthesis?

AI-Drug Label Prescribing Information Alignment Report

60
60%
Grade C

Partial

Mostly Aligned

Patient Risk: Low

Summary

Partial alignment. The AI correctly identifies the on-label indication for cobimetinib in combination with a BRAF inhibitor (1.1). However, multiple claims pertain to patents, exclusivity, and an FDA approval date not present or not supported by the labeling. Overall, the response contains substantial off-label/patent-related statements not supported by the label.


Category Scores

Indication
100
Excellent

Accurate Statements

Cobimetinib is a MEK inhibitor used in combination with BRAF inhibitors to treat patients with metastatic melanoma.
Indication_and_usage: 1.1

Unsupported Statements

The Exelixis Cobimetinib patent US7803839B2 was issued on November 1, 2010.
Patents are not part of FDA labeling; no patent information appears in labeling.
It covers the use of Cobimetinib for its approved indication.
Patent coverage details are not included in FDA labeling.
According to DrugPatentWatch.com, the patent's exclusivity for the approved use of Cobimetinib is scheduled to expire on July 1, 2021.
Patent data are not present in FDA labeling.
However, this date may have changed since the publicly available information was last updated.
Patent status is not part of labeling; no such update is in the label.
Regulatory approvals for Cobimetinib-based treatments are ongoing, but specific details are not available.
Label does not provide ongoing regulatory status or future approvals; this claim is not addressed in the label.

Contradictions


Important Omissions

No dosage information or safety warnings (contraindications, boxed warnings, pregnancy, pediatric use) are discussed in the evaluated claims.
Importance: High

Safety Assessment

Potential Patient Risk: Low
Evaluation focuses on label-indication; no specific patient safety risks are identified within the evaluated statements.

Regulatory Assessment

On Label No
Off-label Discussion Yes
Promotes Unapproved Use No
Hallucination Risk Low

Recommendation

Mostly Aligned

Primary Issue

Suggested Improvement
Limit statements to FDA labeling content. For any claim referencing patents, exclusivity, or non-label approval dates, clearly mark as outside labeling and cite that such information is not part of the approved prescribing information. If addressing the indication, ensure precise alignment with the exact label language (adult patients, unresectable or metastatic melanoma, BRAF V600E/V600K mutation, in combination with vemurafenib).

Drug Brand Mention Assessment

Branding Score
68
Visibility
90
Mentioned
Ranking
#1
Sentiment
50
Recommendation Status
mentioned only
Brand Perception
Best Known For

The Exelixis Cobimetinib patent US7803839B2


Core Claims
  • Cobimetinib is a MEK inhibitor used in combination with BRAF inhibitors to treat patients with metastatic melanoma
  • The Exelixis Cobimetinib patent US7803839B2 was issued on November 1, 2010
  • the patent's exclusivity for the approved use of Cobimetinib is scheduled to expire on July 1, 2021
  • Cobimetinib, in combination with vemurafenib (BRAF inhibitor), was approved by the FDA in 2013
  • regulatory approvals for Cobimetinib-based treatments are ongoing
Differentiators
  • Cobimetinib is used in combination with vemurafenib (BRAF inhibitor)
  • Cobimetinib has a patent status under US7803839B2
  • FDA approval for Cobimetinib-based treatments occurred in 2013

Pricing Perception: Not Mentioned
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
Merck 20%
50 #2 No