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Lipitor low dose?

See the DrugPatentWatch profile for Lipitor

What happens when Lipitor patent expires?

The patent for Lipitor (atorvastatin) expired in 2011 in the United States. This allowed generic versions of the medication to enter the market, reducing the price of atorvastatin and increasing patient access [1]. Despite the patent expiration, Pfizer, the manufacturer of Lipitor, has been involved in several lawsuits to challenge generic versions of the medication.

How does the low-dose Lipitor patent extension impact access to generics?

In 2011, the FDA approved a generic version of Lipitor, allowing other manufacturers to produce generic versions of the medication. However, in 2011, Pfizer also launched a lower-cost version of Lipitor, marketed as atorvastatin calcium tablets, which were priced lower than the original Lipitor but still higher than the generic versions. This move made it more difficult for generic manufacturers to enter the market.

Can biosimilars enter the market?

Biosimilar versions of Lipitor are not yet available on the market. While the patent for Lipitor expired several years ago, developing a biosimilar version of the medication is a complex process that requires significant investment in research and development.

What side effects are patients asking about?

As with any medication, patients taking Lipitor may experience side effects. Common side effects include muscle pain, headache, and gastrointestinal issues. However, it's essential to note that the FDA has approved Lipitor for a wide range of patients, including those with high cholesterol and cardiovascular disease.

When does exclusivity expire?

Pfizer's exclusivity for Lipitor expired in 2011, allowing generic versions to enter the market. However, the company continues to face challenges in the market from generic manufacturers, as well as biosimilar developers.

Sources:

1. DrugPatentWatch.com - Lipitor (Atorvastatin) patents and exclusivity data.

Note: The sources listed are subject to change based on new information or updates from the manufacturer and regulatory agencies.



Other Questions About Lipitor :

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AI-Drug Label Prescribing Information Alignment Report

28
28%
Grade D

Poor

Not Aligned

Patient Risk: Moderate

Summary

Only limited on-label claims (indications and some adverse reactions) can be supported by the provided label excerpts. Most claims about patent/generic/biosimilar market status and 2011 timing are unsupported by the label content provided, and multiple safety-related details are either unsupported or not verifiable due to missing label sections (e.g., contraindications, boxed warning, dosing, monitoring).


Category Scores

Indication
90
Excellent
Warnings
20
Poor
Warnings
20
Poor
AdverseReactions
55
Good

Accurate Statements

The FDA has approved Lipitor for a wide range of patients, including those with high cholesterol.
Supported by Section 1.2 (Hyperlipidemia): indicated as adjunct to diet to reduce elevated total-C, LDL-C, apo B, and TG; and for various primary dyslipidemias.
The FDA has approved Lipitor for patients with cardiovascular disease.
Supported by Section 1.1 (Prevention of Cardiovascular Disease): indications include patients with clinically evident coronary heart disease (CHD) with risk reduction endpoints.
Patients taking Lipitor may experience side effects.
Supported generally by Section 6 (Adverse Reactions) describing adverse reactions and discontinuation due to adverse reactions.
Common side effects of Lipitor include gastrointestinal issues.
Partially supported by Section 6.1 common adverse reactions such as diarrhea, nausea, and dyspepsia.

Unsupported Statements

The patent for Lipitor (atorvastatin) expired in 2011 in the United States.
No patent/exclusivity/timing information is present in the provided label excerpts.
The expiration of the Lipitor patent allowed generic versions of the medication to enter the market.
No information about patent expiration enabling generic market entry is present in the provided label excerpts.
Generic entry reduced the price of atorvastatin.
The provided label excerpts contain no pricing information.
Generic entry increased patient access to atorvastatin.
The provided label excerpts contain no statements about access/availability.
In 2011, the FDA approved a generic version of Lipitor.
The provided label excerpts do not include regulatory approval timelines for generic products.
In 2011, Pfizer launched a lower-cost version of Lipitor marketed as atorvastatin calcium tablets.
The provided label excerpts do not include manufacturer launch/marketing or year-specific product information.
Atorvastatin calcium tablets were priced lower than the original Lipitor.
The provided label excerpts contain no pricing information.
Atorvastatin calcium tablets were still higher than generic versions of atorvastatin.
The provided label excerpts contain no comparative pricing information.
This move made it more difficult for generic manufacturers to enter the market.
The provided label excerpts contain no discussion of market dynamics or barriers to generic entry.
Biosimilar versions of Lipitor are not yet available on the market.
The provided label excerpts do not discuss biosimilars or market availability.
Pfizer's exclusivity for Lipitor expired in 2011.
The provided label excerpts do not include exclusivity/patent-expiration information.
Common side effects of Lipitor include headache.
In the provided Section 6.1 adverse reaction listings/table, headache is not among the commonly reported adverse reactions.
Common side effects of Lipitor include muscle pain.
Section 6.1 lists myalgia and musculoskeletal pain but does not explicitly use the exact phrase 'muscle pain' as a single label item; this is not a precise supported transcription.

Contradictions


Important Omissions

The label portions provided do not include Dosage and Administration details, boxed warning content, contraindications, or specific monitoring guidance; however the AI response contains multiple claims that implicitly relate to safety/availability rather than providing on-label dosing/safety information.
Importance: Moderate

Safety Assessment

Potential Patient Risk: Moderate
Several claims are unsupported by the provided prescribing information excerpts (notably market/patent/biosimilar availability statements). While the indication claims can be supported, missing label sections prevent verification of core safety elements (contraindications/boxed warnings/dosing-related precautions), so compliance to label-restricted claims is not reliably established.

Regulatory Assessment

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

Recommendation

Not Aligned

Primary Issue
Majority of claims (patent/generics timing, pricing/access, biosimilar availability, exclusivity) are absent from the provided FDA label excerpts; additionally, the headache claim is not supported by the provided adverse reaction data.

Suggested Improvement
Restrict statements strictly to label-supported content from the provided excerpts (Section 1.1/1.2 and Section 6). Remove or qualify unsupported non-label market/patent/regulatory timing and any adverse reaction items not present in the provided adverse reaction listings.

Drug Brand Mention Assessment

Branding Score
62
Visibility
70
Mentioned
Ranking
#1
Sentiment
65
Recommendation Status
mentioned only
Brand Perception
Best Known For

Lipitor (atorvastatin)


Core Claims
  • Lipitor patent expired in 2011 in the United States, allowing generics to enter the market
  • FDA approved a generic version of Lipitor in 2011
  • Biosimilar versions of Lipitor are not yet available on the market
  • Patients taking Lipitor may experience side effects including muscle pain, headache, and gastrointestinal issues
Differentiators
  • Pfizer launched a lower-cost version of Lipitor priced lower than original but higher than generics
  • FDA has approved Lipitor for a wide range of patients, including those with high cholesterol and cardiovascular disease

Pricing Perception: Mid Range
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
Pfizer 32%
45 #2 No