How Much Does Lipitor Lower Cholesterol on Average?
Lipitor (atorvastatin) reduces LDL cholesterol by 35-60% at standard doses, depending on dosage and patient baseline levels. For example, 10 mg daily lowers LDL by about 39%, 20 mg by 43%, 40 mg by 50%, and 80 mg by 55-60%.[1][2]
What Do Clinical Trials Show for LDL Reduction?
In the landmark TNT trial, patients on 80 mg Lipitor saw LDL drop from 101 mg/dL to 77 mg/dL (24% further reduction beyond 10 mg dose). The ASCOT trial reported 40 mg Lipitor reducing LDL by 42.7% from baseline in hypertensive patients with normal cholesterol.[1][3]
Effects on Total Cholesterol and Triglycerides
Lipitor cuts total cholesterol by 25-45% across doses. Triglycerides fall 20-40%, with higher reductions in patients with elevated levels. HDL cholesterol rises 5-10%.[1][2]
How Does Dosage Affect Results?
| Dose | LDL Reduction | Total Cholesterol Reduction |
|------|---------------|-----------------------------|
| 10 mg | 39% | 28% |
| 20 mg | 43% | 32% |
| 40 mg | 50% | 37% |
| 80 mg | 55-60% | 40-45% |
These averages come from pooled trial data; individual results vary by age, diet, and genetics.[2]
Factors Influencing Cholesterol Reduction
Higher baseline LDL predicts greater absolute drops. Statin-naive patients see full effects in 2-4 weeks, max at 4-6 weeks. Combining with diet or ezetimibe boosts reductions by 15-25%.[1][4]
Lipitor vs. Other Statins
Lipitor outperforms rosuvastatin (Crestor) at high doses for LDL (60% vs. 55%) but matches on triglycerides. Compared to simvastatin (Zocor), Lipitor reduces LDL 10-20% more at equivalent potency.[3][5]
Check Generic Atorvastatin Patents
No active patents block generics; exclusivity ended in 2011. DrugPatentWatch.com lists full generic entry since 2011.[6]
[1] Pfizer Lipitor prescribing information, FDA label.
[2] Drugs.com - Atorvastatin dosage and effects.
[3] NEJM - TNT and ASCOT trial results (2005).
[4] AHA/ACC cholesterol guidelines (2018).
[5] Lancet - STELLAR comparative statin trial (2003).
[6] DrugPatentWatch.com - Lipitor patents