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| __NOTOC__
| | #REDIRECT [[Atorvastatin#Adverse Reactions]] |
| {{Atorvastatin}}
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| {{CMG}}; {{AE}} {{PB}}
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| The following serious adverse reactions are discussed in greater detail in other sections of the label:
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| [[rhabdomyolysis]] and [[myopathy]] [see Warnings and Precautions]
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| Liver enzyme abnormalities [see Warnings and Precautions]
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| ==Clinical Trial Adverse Experiences==
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| Because clinical trials are conducted under widely varying conditions, the adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.
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| In the atorvastatin placebo-controlled clinical trial database of 16,066 patients (8755 atorvastatin vs. 7311 placebo; age range 10–93 years, 39% women, 91% Caucasians, 3% Blacks, 2% Asians, 4% other) with a median treatment duration of 53 weeks, 9.7% of patients on atorvastatin and 9.5% of the patients on placebo discontinued due to adverse reactions regardless of causality. The five most common adverse reactions in patients treated with atorvastatin that led to treatment discontinuation and occurred at a rate greater than placebo were: [[myalgia]] (0.7%), [[diarrhea]] (0.5%), nausea (0.4%), alanine aminotransferase increase (0.4%), and hepatic enzyme increase (0.4%).
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| The most commonly reported adverse reactions (incidence ≥ 2% and greater than placebo) regardless of causality, in patients treated with atorvastatin in placebo controlled trials (n=8755) were: [[nasopharyngitis]] (8.3%), [[arthralgia]] (6.9%), [[diarrhea]] (6.8%), pain in extremity (6.0%), and urinary tract infection (5.7%).
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| Table 2 summarizes the frequency of clinical adverse reactions, regardless of causality, reported in ≥ 2% and at a rate greater than placebo in patients treated with atorvastatin (n=8755), from seventeen placebo-controlled trials.
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| Other adverse reactions reported in placebo-controlled studies include:
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| Body as a whole: malaise, pyrexia; Digestive system: abdominal discomfort, eructation, flatulence, hepatitis, cholestasis; Musculoskeletal system: musculoskeletal pain, muscle fatigue, neck pain, joint swelling; Metabolic and nutritional system: [[transaminase]]s increase, liver function test abnormal, blood [[alkaline phosphatase]] increase, [[creatine phosphokinase]] increase, [[hyperglycemia]]; Nervous system: nightmare; Respiratory system: [[epistaxis]]; Skin and appendages: [[urticaria]]; Special senses: vision blurred, tinnitus;Urogenital system: white blood cells urine positive.
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| ===Anglo-Scandinavian Cardiac Outcomes Trial (ASCOT)===
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| In ASCOT [see Clinical Studies (14.1)] involving 10,305 participants (age range 40–80 years, 19% women; 94.6% Caucasians, 2.6% Africans, 1.5% South Asians, 1.3% mixed/other) treated with atorvastatin 10 mg daily (n=5,168) or placebo (n=5,137), the safety and tolerability profile of the group treated with atorvastatin was comparable to that of the group treated with placebo during a median of 3.3 years of follow-up.
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| ===Collaborative Atorvastatin Diabetes Study (CARDS)===
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| In CARDS [see Clinical Studies (14.1)] involving 2,838 subjects (age range 39–77 years, 32% women; 94.3% Caucasians, 2.4% South Asians, 2.3% Afro-Caribbean, 1.0% other) with type 2 diabetes treated with atorvastatin 10 mg daily (n=1,428) or placebo (n=1,410), there was no difference in the overall frequency of adverse reactions or serious adverse reactions between the treatment groups during a median follow-up of 3.9 years. No cases of [[rhabdomyolysis]] were reported.
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| ===Treating to New Targets Study (TNT)===
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| In TNT [see Clinical Studies (14.1)] involving 10,001 subjects (age range 29–78 years, 19% women; 94.1% Caucasians, 2.9% Blacks, 1.0% Asians, 2.0% other) with clinically evident CHD treated with atorvastatin 10 mg daily (n=5006) or atorvastatin 80 mg daily (n=4995), there were more serious adverse reactions and discontinuations due to adverse reactions in the high-dose atorvastatin group (92, 1.8%; 497, 9.9%, respectively) as compared to the low-dose group (69, 1.4%; 404, 8.1%, respectively) during a median follow-up of 4.9 years. Persistent [[transaminase]] elevations (≥3 × ULN twice within 4–10 days) occurred in 62 (1.3%) individuals with atorvastatin 80 mg and in nine (0.2%) individuals with atorvastatin 10 mg. Elevations of CK (≥ 10 × ULN) were low overall, but were higher in the high-dose atorvastatin treatment group (13, 0.3%) compared to the low-dose atorvastatin group (6, 0.1%).
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| ===Incremental Decrease in Endpoints through Aggressive Lipid Lowering Study (IDEAL)===
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| In IDEAL [see Clinical Studies (14.1)] involving 8,888 subjects (age range 26–80 years, 19% women; 99.3% Caucasians, 0.4% Asians, 0.3% Blacks, 0.04% other) treated with atorvastatin 80 mg/day (n=4439) or [[simvastatin]]20–40 mg daily (n=4449), there was no difference in the overall frequency of adverse reactions or serious adverse reactions between the treatment groups during a median follow-up of 4.8 years.
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| ===[[stroke]] Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL)===
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| In SPARCL involving 4731 subjects (age range 21–92 years, 40% women; 93.3% Caucasians, 3.0% Blacks, 0.6% Asians, 3.1% other) without clinically evident CHD but with a [[stroke]] or transient ischemic attack (TIA) within the previous 6 months treated with atorvastatin 80 mg (n=2365) or placebo (n=2366) for a median follow-up of 4.9 years, there was a higher incidence of persistent hepatic [[transaminase]] elevations (≥ 3 × ULN twice within 4–10 days) in the atorvastatin group (0.9%) compared to placebo (0.1%). Elevations of CK (>10 × ULN) were rare, but were higher in the atorvastatin group (0.1%) compared to placebo (0.0%). Diabetes was reported as an adverse reaction in 144 subjects (6.1%) in the atorvastatin group and 89 subjects (3.8%) in the placebo group [see Warnings and Precautions (5.5)].
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| In a post-hoc analysis, atorvastatin 80 mg reduced the incidence of ischemic [[stroke]] (218/2365, 9.2% vs. 274/2366, 11.6%) and increased the incidence of hemorrhagic [[stroke]] (55/2365, 2.3% vs. 33/2366, 1.4%) compared to placebo. The incidence of fatal hemorrhagic [[stroke]] was similar between groups (17 atorvastatin vs. 18 placebo). The incidence of non-fatal hemorrhagic [[stroke]]s was significantly greater in the atorvastatin group (38 non-fatal hemorrhagic [[stroke]]s) as compared to the placebo group (16 non-fatal hemorrhagic [[stroke]]s). Subjects who entered the study with a hemorrhagic [[stroke]] appeared to be at increased risk for hemorrhagic [[stroke]] [7 (16%) atorvastatin vs. 2 (4%) placebo].
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| There were no significant differences between the treatment groups for all-cause mortality: 216 (9.1%) in the atorvastatin 80 mg/day group vs. 211 (8.9%) in the placebo group. The proportions of subjects who experienced cardiovascular death were numerically smaller in the atorvastatin 80 mg group (3.3%) than in the placebo group (4.1%). The proportions of subjects who experienced non-cardiovascular death were numerically larger in the atorvastatin 80 mg group (5.0%) than in the placebo group (4.0%).
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| ===Postmarketing Experience===
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| The following adverse reactions have been identified during postapproval use of atorvastatin. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
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| Adverse reactions associated with atorvastatin therapy reported since market introduction, that are not listed above, regardless of causality assessment, include the following: [[anaphylaxis]], [[angioneurotic edema]], bullous rashes (including [[erythema multiforme]], [[Stevens-Johnson syndrome]], and [[toxic epidermal necrolysis]]), [[rhabdomyolysis]], fatigue, tendon rupture, fatal and non-fatal [[hepatic failure]], dizziness, [[depression]], [[peripheral neuropathy]], and [[pancreatitis]]. | |
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| There have been rare reports of immune-mediated necrotizing [[myopathy]] associated with statin use [see Warnings and Precautions].
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| There have been rare postmarketing reports of cognitive impairment (e.g., memory loss, forgetfulness, amnesia, memory impairment, confusion) associated with statin use. These cognitive issues have been reported for all statins. The reports are generally nonserious, and reversible upon statin discontinuation, with variable times to symptom onset (1 day to years) and symptom resolution (median of 3 weeks).
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| ===Pediatric Patients (ages 10–17 years)===
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| In a 26-week controlled study in boys and postmenarchal girls (n=140, 31% female; 92% Caucasians, 1.6% Blacks, 1.6% Asians, 4.8% other), the safety and tolerability profile of atorvastatin 10 to 20 mg daily was generally similar to that of placebo [see Clinical Studies (14.6) and Use in Special Populations, Pediatric Use (8.4)].<ref name="dailymed.nlm.nih.gov">{{Cite web | last = | first = | title = atorvastatin (ATORVASTATIN CALCIUM) TABLET, FILM COATED [PARKE-DAVIS DIV OF PFIZER INC] | url = http://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=c6e131fe-e7df-4876-83f7-9156fc4e8228#nlm34089-3 | publisher = | date = | accessdate = }}</ref>
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| ==References==
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| {{Reflist}}
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| {{FDA}}
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| [[Category:Cardiovascular Drugs]]
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| [[Category:Drugs]]
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