Crestor vs Rosuvastatin: are they the same?
Crestor is a commercial brand whose active ingredient is exactly Rosuvastatin. This page explains what that means in practice: where they differ (brand, manufacturer, price, available strengths), why they are clinically equivalent, and when the brand or an authorised generic is the better choice.
Are they the same?
Yes — Crestor contains Rosuvastatin as its active ingredient. Talking about "Crestor" in clinical terms is the same as talking about Rosuvastatin at the dose strengths 5mg, 10mg, 20mg, 40mg. The differences from the authorised generic are brand, manufacturer (AstraZeneca), excipients, tablet appearance and price — not the active molecule itself.
When Crestor is used
クレストールは成人の原発性高コレステロール血症および混合性脂質異常症の治療、リスクの高い患者における心血管イベントの予防、心血管イベントの二次予防に承認されています。一部の市場では専門医の監督下で6歳以上の家族性高コレステロール血症の小児にも承認されています。国際ガイドラインによれば、用量の選択はベースラインリスクと目標LDLによります。
Mechanisms compared
Because they share the same active ingredient, the mechanism is identical: ロスバスタチンは肝コレステロール合成の律速酵素であるHMG-CoA還元酵素を競合的に阻害します。細胞内コレステロールの減少はLDL受容体を上方調節し、循環するLDLのクリアランスを増加させます。内皮機能、炎症、プラーク安定性への多面的効果は心血管保護に寄与します。ロスバスタチンは他の多くのスタチンより親水性が高く、組織分布と副作用プロファイルに影響を与える可能性があります。
Brand or generic — which to choose?
For most patients, authorised generics of Rosuvastatin are clinically equivalent substitutes for Crestor and typically cost substantially less. The practical differences are manufacturer, excipients (rarely matters except in specific sensitivities), tablet appearance and price. The brand is preferred by some patients for personal reasons or insurance coverage; the generic is the default when cost matters.
よくある質問
Is Crestor the same as Rosuvastatin? ▾
Clinically yes — Crestor is the brand and Rosuvastatin is its active ingredient. At equivalent doses (5mg, 10mg, 20mg, 40mg) they produce the same effect. The difference is brand, manufacturer (AstraZeneca) and price.
Is generic Rosuvastatin as effective as Crestor? ▾
Yes. Authorised generics of Rosuvastatin must demonstrate bioequivalence to the brand. The active substance is the same; average effect is the same. Price is usually substantially lower.
Why does Crestor cost more than generic Rosuvastatin? ▾
The price difference reflects originator development costs, brand recognition and competition among generic manufacturers. The molecule is identical; the cost is not.
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