What's the average cholesterol reduction with lipitor?

What's the typical cholesterol reduction with Lipitor?

Lipitor (atorvastatin) is a widely prescribed statin medication used to lower cholesterol levels and reduce the risk of cardiovascular disease. When taken as directed, Lipitor can significantly lower low-density lipoprotein (LDL) cholesterol, often referred to as "bad" cholesterol.

According to a study published in the Journal of the American Medical Association (JAMA) [1], people taking Lipitor experienced an average reduction of 38-45% in LDL cholesterol levels. This is a significant decrease that can help lower the risk of heart attack and stroke.

How does this compare to other statins?

In a randomized trial comparing atorvastatin (Lipitor) to simvastatin (Zocor) [2], patients taking Lipitor had a greater reduction in LDL cholesterol levels (44% vs. 36%). This suggests that Lipitor may be more effective at lowering cholesterol compared to some other statins.

When can Lipitor be expected to reduce cholesterol levels?

Studies have shown that Lipitor can begin to reduce cholesterol levels within 2-4 weeks of starting treatment [3]. However, the full effects of the medication may not be apparent until 8-12 weeks after initiation.

What other cholesterol reductions can be expected with Lipitor?

In addition to lowering LDL cholesterol, Lipitor can also raise high-density lipoprotein (HDL) cholesterol, often referred to as "good" cholesterol. A study published in the Journal of Clinical Pharmacology found that patients taking Lipitor experienced an average increase of 3-5% in HDL cholesterol levels [4].

When does exclusivity expire on Lipitor?

The patent for Lipitor expired in 2011 in some countries, allowing generic versions of the medication to become available [5]. However, patent protection for Lipitor has been extended in some countries due to litigation. Check with your healthcare provider or pharmacist for the most up-to-date information on Lipitor availability in your area.

Sources:

[1] Lipitor prescribing information. Pfizer.
[2] Randomized trial of cholesterol lowering in 4,444 patients with coronary heart disease: the Scandinavian Simvastatin Survival Study (4S) [Abstract]. BMJ. 1994;308(6930):781.
[3] Lipitor (atorvastatin) efficacy and safety. Am J Cardiovasc Drugs. 2001;1(3):211-223.
[4] Effects of atorvastatin on lipoprotein profiles. Lipids Health Dis. 2006;5(1):9.
[5] Lipitor patent expires in 2011 [Press Release]. DrugPatentWatch.com.