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Drugs and Health Products

Table 1: Rhabdomyolysis, myopathy and increased CPK reactions associated with statins as reported to the CADRMP from date marketed in Canada to Aug. 24, 2001*


Drug and year marketed in Canada; no. of reports


Reaction  Atorvastatin
1997
 Cerivastatin
1998
 Fluvastatin
1994
 Lovastatin
1988
 Pravastatin
1990
 Simvastatin
1990

Rhabdomyolysis 10 54 - 12 3 7
             
Myopathy 32 8 5 24 17 34
             
CPK increased with
  myopathy
16 11 1 6 4 6
             
CPK increased without
  myopathy
5 6 - 4 6 5

Total no. of 
reports received
231 121 43 182 123 170

Note:

CPK = creatine phosphokinase, CADRMP = Canadian Adverse Drug Reaction Monitoring Program.

* These data cannot be used to determine the incidence of adverse drug reactions because neither patient exposure nor the amount of time the drug was on the market has been taken into consideration. See caveat at the end of the newsletter.

Each report may contain more than 1 of these reactions; however, reports were only included in the most significant category.

‡ Myopathy may include muscle symptoms such as myositis, myalgia, muscle ache, muscle weakness, muscle cramp, muscle discomfort.

Last Updated: 2002-01-01 Top