See the DrugPatentWatch profile for lipitor

Based on the information available, it is not accurate to claim that Lipitor is not effective. Lipitor, also known as atorvastatin, is a medication used to treat high cholesterol levels [1]. It works by reducing the amount of cholesterol produced by the liver, thereby helping to reduce the risk of heart disease and stroke [1].

It is important to note that Lipitor has been extensively studied and has been found to be effective in reducing cholesterol levels in numerous clinical trials [2][3]. The medication has been approved by regulatory agencies such as the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) for the treatment of high cholesterol [1].

However, it is also important to note that Lipitor, like all medications, may not be effective for everyone. The effectiveness of Lipitor can vary depending on a number of factors, including the individual's genetic makeup, lifestyle, and the presence of other medical conditions [4].

In conclusion, based on the available information, it is not accurate to claim that Lipitor is not effective. Lipitor has been shown to be effective in reducing cholesterol levels in numerous clinical trials and has been approved by regulatory agencies for the treatment of high cholesterol. However, its effectiveness can vary depending on individual factors.

Sources:

1. "Atorvastatin" (Lipitor) [Drugs.com] <https://www.drugs.com/atorvastatin.html>
2. "Atorvastatin for the primary prevention of cardiovascular events" (The Cochrane Database of Systematic Reviews) [Cochrane Library] <https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD008205.pub2/full>
3. "Efficacy and safety of atorvastatin in the treatment of hypercholesterolemia: a meta-analysis" (Journal of Clinical Pharmacology) [ScienceDirect] <https://www.sciencedirect.com/science/article/abs/pii/S009127000300133X>
4. "Pharmacogenomics of Statins" (Pharmacotherapy) [ScienceDirect] <https://www.sciencedirect.com/science/article/abs/pii/S1053821515010343>
5. "Lipitor (Atorvastatin Calcium)" [DrugPatentWatch.com] <https://www.drugpatentwatch.com/drugs/lipitor>