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Fenofibrate 40 mg/ 120 mg
Fenofibrate 40 mg/ 120 mg
- Patient Information:
Details with Side Effects
Fenofibrate at doses equivalent to 87 mg to 130 mg fenofibrate per day [at the highest dose, comparable to Fenofibrate (fenofibrate (fenofibrate) ) Tablets, 120 mg] can increase serum transaminases [AST (SGOT) or ALT (SGPT)].
In a pooled analysis of 10 placebo-controlled trials, increases to >3 times the upper limit of normal occurred in 5.3% of patients taking fenofibrate (fenofibrate (fenofibrate) ) versus 1.1% of patients treated with placebo.
When transaminase determinations were followed either after discontinuation of treatment or during continued treatment, a return to normal limits was usually observed. The incidence of increases in transaminases related to fenofibrate (fenofibrate (fenofibrate) ) therapy appear to be dose related. In an 8-week dose-ranging study, the incidence of ALT or AST elevations to at least three times the upper limit of normal was 13% in patients receiving dosages equivalent to 87 mg to 130 mg fenofibrate (fenofibrate (fenofibrate) ) per day and was 0% in those receiving dosages equivalent to 43 mg or less fenofibrate (fenofibrate (fenofibrate) ) per day, or placebo. Hepatocellular, chronic active and cholestatic hepatitis have been reported after exposures of weeks to several years. In extremely rare cases, cirrhosis has been reported in association with chronic active hepatitis.
Regular periodic monitoring of liver tests, including serum ALT (SGPT) should be performed for the duration of therapy with fenofibrate (fenofibrate (fenofibrate) ) , and therapy discontinued if enzyme levels persist above three times the normal limit.
Fenofibrate (fenofibrate (fenofibrate) ) increases cholesterol excretion into the bile, leading to risk of cholelithiasis. If cholelithiasis is suspected, gallbladder studies are indicated. Fenofibrate (fenofibrate (fenofibrate) ) therapy should be discontinued if gallstones are found.
Concomitant Coumarin Anticoagulants
Caution should be exercised when anticoagulants are given in conjunction with fenofibrate (fenofibrate (fenofibrate) ) because of the potentiation of coumarin-type anti-coagulants in prolonging the prothrombin time/INR. The dosage of the anticoagulant should be reduced to maintain the prothrombin time/INR at the desired level to prevent bleeding complications. Frequent prothrombin time/INR determinations are advisable until it has been definitely determined that the prothrombin time/INR has stabilized. [See Drug Interactions.]
Treatment with fenofibrate (fenofibrate (fenofibrate) ) increases risk of myopathy. Treatment with fenofibrate (fenofibrate (fenofibrate) ) increases risk of rhabdomyolysis, usually in patients with impaired renal function. Myopathy should be considered in any patient with diffuse myalgias, muscle tenderness or weakness, and/or marked elevations of creatine phosphokinase (CPK) levels.
Patients should be advised to report promptly unexplained muscle pain, tenderness or weakness, particularly if accompanied by malaise or fever. CPK levels should be assessed in patients reporting these symptoms, and fenofibrate (fenofibrate (fenofibrate) ) therapy should be discontinued if markedly elevated CPK levels occur or myopathy is diagnosed.
Elevations in serum creatinine have been reported in patients on fenofibrate (fenofibrate (fenofibrate) ) . These elevations tend to return to baseline following discontinuation of fenofibrate (fenofibrate (fenofibrate) ) . The clinical significance of these observations is unknown.
Mortality and Coronary Heart Disease Morbidity
The Fenofibrate (fenofibrate (fenofibrate) ) Intervention and Event Lowering in Diabetes (FIELD) study was a 5-year randomized, placebo-controlled study of 9795 patients with type 2 diabetes mellitus treated with fenofibrate. Fenofibrate (fenofibrate (fenofibrate) ) demonstrated a non-significant 11% relative reduction in the primary outcome of coronary heart disease events (hazard ratio [HR] 0.89, 95% CI 0.75-1.05, p=0.16) and a significant 11% reduction in the secondary outcome of total cardiovascular disease events (HR 0.89 [0.80-0.99], p=0.04). There was a non-significant 11% (HR 1.11 [0.95, 1.29], p=0.41) and 19% (HR 1.19 [0.90, 1.57], p=0.22) increase in total and coronary heart disease mortality, respectively, with fenofibrate (fenofibrate (fenofibrate) ) as compared to placebo.
In the Coronary Drug Project, a large study of post myocardial infarction of patients treated for 5 years with clofibrate, there was no difference in mortality seen between the clofibrate group and the placebo group.
In a study conducted by the World Health Organization (WHO), 5000 subjects without known coronary artery disease were treated with placebo or clofibrate for 5 years and followed for an additional one year. There was a statistically significant, higher age-adjusted all-cause mortality in the clofibrate group compared with the placebo group (5.70% vs. 3.96%, p=<0.01). Excess mortality was due to a 33% increase in non-cardiovascular causes, including malignancy, post-cholecystectomy complications, and pancreatitis. This appeared to confirm the higher risk of gallbladder disease seen in clofibrate-treated patients studied in the Coronary Drug Project.
The Helsinki Heart Study was a large (n=4081) study of middle-aged men without a history of coronary artery disease. Subjects received either placebo or gemfibrozil for 5 years, with a 3.5 year open extension afterward. Total mortality was numerically higher in the gemfibrozil randomization group but did not achieve statistical significance (p=0.19, 95% confidence interval for relative risk G:P=.91-1.64). Although cancer deaths trended higher in the gemfibrozil group (p=0.11), cancers (excluding basal cell carcinoma) were diagnosed with equal frequency in both study groups. Due to the limited size of the study, the relative risk of death from any cause was not shown to be different than that seen in the 9 year follow-up data from the WHO study (RR=1.29).
A secondary prevention component of the Helsinki Heart Study enrolled middle-aged men excluded from the primary prevention study because of known or suspected coronary heart disease. Subjects received gemfibrozil or placebo for 5 years. Although cardiac deaths trended higher in the gemfibrozil group, this was not statistically significant (hazard ratio 2.2, 95% confidence interval: 0.94-5.05).
Pancreatitis has been reported in patients taking fenofibrate (fenofibrate (fenofibrate) ) . This occurrence may represent a failure of efficacy in patients with severe hypertriglyceridemia, a direct drug effect, or a secondary phenomenon mediated through biliary tract stone or sludge formation with obstruction of the common bile duct.
In the FIELD trial, pulmonary embolus (PE) and deep vein thrombosis (DVT) were observed at higher rates in the fenofibrate (fenofibrate (fenofibrate) ) - than the placebo-treated group. Of 9,795 patients enrolled in FIELD, there were 4,900 in the placebo group and 4,875 in the fenofibrate (fenofibrate (fenofibrate) ) group. For DVT, there were 48 events (1%) in the placebo group and 67 (1%) in the fenofibrate (fenofibrate (fenofibrate) ) group (p = 0.074); and for PE, there were 32 (0.7%) events in the placebo group and 53 (1%) in the fenofibrate (fenofibrate (fenofibrate) ) group (p = 0.022).
In the Coronary Drug Project, a higher proportion of the clofibrate group experienced definite or suspected fatal or nonfatal pulmonary embolism or thrombophlebitis than the placebo group (5.2% vs. 3.3% at five years; p < 0.01).
Acute hypersensitivity reactions including severe skin rashes requiring patient hospitalization and treatment with steroids have occurred rarely during treatment with fenofibrate (fenofibrate (fenofibrate) ) , including rare spontaneous reports of Stevens-Johnson syndrome, and toxic epidermal necrolysis.
Concomitant HMG-CoA Reductase Inhibitors
The combined use of fenofibric acid derivatives, particularly gemfibrozil, and HMG-CoA reductase inhibitors results in an increased risk of rhabdomyolysis and myoglobinuria leading in a high proportion of cases to acute renal failure.
The combined use of fenofibrate (fenofibrate (fenofibrate) ) and HMG-CoA reductase inhibitors should be avoided unless the benefit of further alterations in lipid levels is likely to outweigh the increased risk of this drug combination. [see Drug Interactions.]
Carcinogenesis, Mutagenesis, Impairment of Fertility
In a 24-month study in rats (10, 45, and 200 mg/kg; 0.3, 1, and 6 times the maximum recommended human dose on the basis of mg/meter2 of surface area), the incidence of liver carcinoma was significantly increased at 6 times the maximum recommended human dose in males and females. A statistically significant increase in pancreatic carcinomas occurred in males at 1 and 6 times the maximum recommended human dose; there were also increases in pancreatic adenomas and benign testicular interstitial cell tumors at 6 times the maximum recommended human dose in males. In a second 24-month study in a different strain of rats (doses of 10 and 60 mg/kg; 0.3 and 2 times the maximum recommended human dose based on mg/meter2 surface area), there were significant increases in the incidence of pancreatic acinar adenomas in both sexes and increases in interstitial cell tumors of the testes at 2 times the maximum recommended human dose.
A comparative carcinogenicity study was done in rats comparing three drugs: fenofibrate (fenofibrate (fenofibrate) ) (10 and 70 mg/kg; 0.3 and 1.6 times the maximum recommended human dose), clofibrate (400 mg/kg; 1.6 times the human dose), and gemfibrozil (250 mg/kg; 1.7 times the human dose) (multiples based on mg/meter2 surface area). Pancreatic acinar adenomas were increased in males and females on fenofibrate (fenofibrate (fenofibrate) ) ; hepatocellular carcinoma and pancreatic acinar adenomas were increased in males and hepatic neoplastic nodules in females treated with clofibrate; hepatic neoplastic nodules were increased in males and females treated with gemfibrozil while testicular interstitial cell tumors were increased in males on all three drugs.
In a 21-month study in mice at doses of 10, 45, and 200 mg/kg (approximately 0.2, 0.7 and 3 times the maximum recommended human dose on the basis of mg/meter2 surface area), there were statistically significant increases in liver carcinoma at 3 times the maximum recommended human dose in both males and females. In a second 18-month study at the same doses, there was a significant increase in liver carcinoma in male mice and liver adenoma in female mice at 3 times the maximum recommended human dose.
Electron microscopy studies have demonstrated peroxisomal proliferation following fenofibrate (fenofibrate (fenofibrate) ) administration to the rat. An adequate study to test for peroxisome proliferation in humans has not been done, but changes in peroxisome morphology and numbers have been observed in humans after treatment with other members of the fibrate class when liver biopsies were compared before and after treatment in the same individual.
Administration of 9 times the maximum recommended human dose of fenofibrate (fenofibrate (fenofibrate) ) to female rats before and throughout gestation caused 100% of dams to delay delivery and resulted in a 60% increase in post-implantation loss, a decrease in litter size, a decrease in birth weight, a 40% survival of pups at birth, a 4% survival of pups as neonates, and a 0% survival of pups to weaning, and an increase in spina bifida.
Administration of 10 times the maximum recommended human dose to female rats on days 6-15 of gestation caused an increase in gross, visceral and skeletal findings in fetuses (domed head/hunched shoulders/rounded body/abnormal chest, kyphosis, stunted fetuses, elongated sternal ribs, malformed sternebrae, extra foramen in palatine, misshapen vertebrae, supernumerary ribs).
Administration of 7 times the maximum recommended human dose to female rats from day 15 of gestation through weaning caused a delay in delivery, a 40% decrease in live births, a 75% decrease in neonatal survival, and decreases in pup weight, at birth as well as on days 4 and 21 post-partum.
Administration of 9 and 18 times the maximum recommended human dose to female rabbits caused abortions in 10% of dams at 9 times and 25% of dams at 18 times the maximum recommended human dose and death of 7% of fetuses at 18 times the maximum recommended human dose.
Use In Specific Populations
Fenofibrate is classified as pregnancy category C. Fenofibrate (fenofibrate (fenofibrate) ) has been shown to be embryocidal and teratogenic in rats when given in doses 7 to 10 times the maximum recommended human dose and embryocidal in rabbits when given at 9 times the maximum recommended human dose (on the basis of mg/meter2 surface area). There are no adequate and well-controlled studies in pregnant women. Fenofibrate (fenofibrate (fenofibrate) ) should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. [see Nonclinical Toxicology).
Fenofibrate (fenofibrate (fenofibrate) ) should not be used in nursing mothers. Because of the potential for tumorigenicity seen in animal studies, a decision should be made whether to discontinue nursing or to discontinue the drug.
Safety and efficacy in pediatric patients have not been established.
Fenofibric acid is known to be substantially excreted by the kidney, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function. Fenofibrate (fenofibrate (fenofibrate) ) should be avoided in patients with severe renal impairment and dose reduction is required in patients with mild to moderate renal impairment
Fenofibric acid exposure is not influenced by age. However, elderly patients have a higher incidence of renal impairment. Dose selection for the elderly should be made on the basis of renal function.
Last reviewed on RxList: 9/7/2007
This monograph has been modified to include the generic and brand name in many instances.
Additional Fenofibrate 40 mg/ 120 mg Information
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