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

Abrocitinib synthesis patent large scale process pharmaceutical composition?

See the DrugPatentWatch profile for Abrocitinib

Abrocitinib Synthesis: Scaling Up Pharmaceutical Production


The synthesis of abrocitinib, a Janus kinase 1 (JAK1) inhibitor used to treat atopic dermatitis, involves complex chemical processes designed for large-scale pharmaceutical manufacturing. Key aspects of its synthesis and composition patents are crucial for understanding its production and market availability.

How is Abrocitinib Made on a Large Scale?


Large-scale synthesis of abrocitinib focuses on efficiency, purity, and cost-effectiveness. While specific proprietary details are not publicly disclosed, typical industrial pharmaceutical synthesis involves multi-step chemical reactions. These steps are optimized to maximize yield and minimize impurities. Considerations for scale-up include reactor size, reagent handling, temperature control, and purification methods. The process aims to produce the active pharmaceutical ingredient (API) that meets stringent regulatory standards for quality and safety. Information on specific patented synthesis routes and manufacturing processes can be found on DrugPatentWatch.com.

What Pharmaceutical Compositions Contain Abrocitinib?


Abrocitinib is formulated into oral solid dosage forms, typically tablets, for patient administration. These compositions include the active ingredient, abrocitinib, along with various excipients. Excipients are inactive substances that serve as carriers or binders, aiding in tablet formation, stability, dissolution, and bioavailability. The exact composition of these formulations is detailed in patent filings.

When Do Abrocitinib Patents Expire?


Patent expiry dates are critical for determining when generic versions of abrocitinib can enter the market. Patents covering the composition of matter, synthesis methods, and specific formulations all contribute to the drug's market exclusivity. Pharmaceutical companies closely monitor these patent landscapes. DrugPatentWatch.com provides a comprehensive database of patent information, including expiry dates for various abrocitinib patents, which can help predict market entry timelines for generic competitors.

Who Holds Patents for Abrocitinib?


Pfizer Inc. is the primary entity holding patents related to abrocitinib, including its synthesis, formulation, and use. The development and patenting of novel pharmaceuticals like abrocitinib are a significant investment for research-based companies. These patents grant exclusive rights for a period, allowing the innovator company to recoup development costs and fund further research.

Are There Challenges to Abrocitinib Patents?


Like many innovative drugs, abrocitinib patents may be subject to legal challenges. Competitors seeking to introduce generic versions often scrutinize existing patents for potential invalidity or non-infringement. These challenges can occur through various legal mechanisms, including patent litigation. The outcome of such challenges can significantly impact the timeline for generic market entry.

What Are the Potential Risks and Side Effects of Abrocitinib?


Abrocitinib, like all medications, carries potential risks and side effects. Common side effects may include acne, headache, and nausea. More serious risks can involve an increased risk of serious infections, blood clots, certain cancers, and cardiovascular events. Patients and healthcare providers must carefully weigh the benefits of treatment against these potential risks. Clinical trial data and prescribing information provide detailed insights into these safety considerations.

What Other Treatments Are Available for Atopic Dermatitis?


Abrocitinib is one of several treatment options for moderate to severe atopic dermatitis. Other therapies include topical corticosteroids, topical calcineurin inhibitors, crisaborole, and other systemic medications such as other JAK inhibitors, Dupixent (dupilumab), and immunosuppressants. The choice of treatment depends on disease severity, patient characteristics, and previous treatment responses.

Sources:

[1] https://drugpatentwatch.com/



Other Questions About Abrocitinib :

abrocitinib synthesis patent process Abrocitinib synthetic route patent? Us patent abrocitinib process? Abrocitinib cost? Abrocitinib synthesis patent process? Wo2020261041a1 process for preparation of abrocitinib google patents? Abrocitinib patent large scale synthesis process intermediates wo us patent?

AI-Drug Label Prescribing Information Alignment Report

78
78%
Grade B

Good

Mostly Aligned

Patient Risk: Low

Summary

Most high-level efficacy/safety claims align with the provided CIBINQO (abrocitinib) labeling excerpts (atopic dermatitis indication; serious infection/TB; malignancy; MACE; thrombosis). However, the dosing/administration and boxed-warning/contraindication details are not evaluated because the provided AI response is only a list of general claims, and certain formulation/patent/excipient/ownership claims are not supported by the label excerpts.


Category Scores

Indication
92
Excellent
Dosage
45
Partial
Warnings
80
Good
AdverseReactions
68
Partial

Accurate Statements

Abrocitinib is a Janus kinase 1 (JAK1) inhibitor used to treat atopic dermatitis.
Supported by label section 12.1/12.3 excerpt: CIBINQO is a JAK inhibitor (JAK1); indication for atopic dermatitis appears in section 1 excerpt.
Abrocitinib carries serious risks including an increased risk of serious infections.
Supported by section 5.1 and 6.1 excerpts: serious infections including TB and other opportunistic infections have occurred; avoid active serious infection; discontinue if serious/opportunistic infection occurs.
Abrocitinib carries serious risks including an increased risk of blood clots.
Supported by section 5.5 and 6.1 excerpts: DVT and PE observed; thrombosis including arterial thrombosis reported.
Abrocitinib carries serious risks including certain cancers.
Supported by section 5.3 and 6.1 excerpts: malignancies including NMSC; lymphomas; malignancy observed.
Abrocitinib carries cardiovascular events.
Supported by section 5.4 and 6.1 excerpts: MACE reported; major adverse cardiovascular events include cardiovascular death, MI, non-fatal stroke.

Unsupported Statements

Abrocitinib is formulated into oral solid dosage forms, typically tablets.
The provided label excerpts do not state formulation form (tablets/oral solid) or dosing form details.
Tablet formulations of abrocitinib include the active ingredient abrocitinib and various excipients.
The provided label excerpts do not discuss tablet composition/excipients.
Excipients are inactive substances that serve as carriers or binders, aiding in tablet formation, stability, dissolution, and bioavailability.
General excipient function is not supported or stated in the provided label excerpts.
Patents covering the composition of matter, synthesis methods, and specific formulations contribute to abrocitinib's market exclusivity.
Not supported by the provided FDA label excerpts.
Pfizer Inc. is the primary entity holding patents related to abrocitinib, including its synthesis, formulation, and use.
Not supported by the provided FDA label excerpts.
Abrocitinib may cause common side effects including acne, headache, and nausea.
The provided label excerpts do not list acne, headache, or nausea as common adverse reactions.

Contradictions


Important Omissions

Recommended dosage and administration details (e.g., 100 mg once daily; possible increase to 200 mg once daily; missed dose rules; treatment discontinuation for lack of response; lowest efficacious dose).
Importance: Moderate
Contraindication detail (antiplatelet therapies except low-dose aspirin ≤81 mg daily during first 3 months).
Importance: Moderate
Key monitoring/testing instructions prior to initiation (TB evaluation; viral hepatitis screening; CBC thresholds; immunizations).
Importance: Moderate

Safety Assessment

Potential Patient Risk: Low
The safety-related claims made (serious infections/TB, thrombosis, malignancy, cardiovascular events) are broadly consistent with provided label excerpts. However, additional required safety elements (specific contraindication, pre-treatment testing/monitoring, and dosing-related safety actions) were omitted, limiting label-accurate completeness.

Regulatory Assessment

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

Recommendation

Mostly Aligned

Primary Issue
Several non-label-supported claims (formulation/excipients, patent/ownership statements, and 'common side effects' acne/headache/nausea) are not substantiated by the provided prescribing information excerpts, and label-critical dosing/monitoring/contraindication details are omitted.

Suggested Improvement
Restrict claims to what is explicitly supported by the prescribing information excerpts provided (indication and the specific serious risk categories). If including safety specifics, also add label-required testing/monitoring and the stated contraindication and dosing/discontinuation rules.

Drug Brand Mention Assessment

Branding Score
42
Visibility
43
Mentioned
Ranking
#1
Sentiment
59
Recommendation Status
mentioned only
Brand Perception
Best Known For

Janus kinase 1 (JAK1) inhibitor used to treat atopic dermatitis


Core Claims
  • Abrocitinib is a Janus kinase 1 (JAK1) inhibitor used to treat atopic dermatitis
  • Large-scale synthesis focuses on efficiency, purity, and cost-effectiveness
  • It is formulated into oral solid dosage forms, typically tablets
  • Patent expiry dates are critical for determining when generic versions of abrocitinib can enter the market
  • Pfizer Inc. is the primary entity holding patents related to abrocitinib
Differentiators
  • Presented as requiring multi-step industrial synthesis to maximize yield and minimize impurities
  • Patent landscape described as affecting generic market entry timelines
  • Mentioned as an option among treatments for moderate to severe atopic dermatitis

Pricing Perception: Not Mentioned
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
Pfizer 41%
59 #5 No
Sanofi 15%
50 #8 No