Fenofibrate (fenofibrate 145 mg) Dailymed
Generic: fenofibrate is used for the treatment of Coronary Artery Disease Gallbladder Diseases Hypercholesterolemia Hyperlipoproteinemias Liver Cirrhosis, Biliary Liver Diseases Hypertriglyceridemia Liver Failure Renal Insufficiency
IMPRINT: J 136
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fenofibrate 48 mg oral tablet - j 137 oval yellow
fenofibrate 145 mg oral tablet - j 136 oval white
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1 Indications & Usage
Fenofibrate tablets are peroxisome proliferator receptor alpha (PPARα) activator indicated as an adjunct to diet: • To reduce elevated LDL-C, Total-C, TG and Apo B, and to increase HDL-C in adult patients with primary hypercholesterolemia or mixed dyslipidemia (1.1 ). • For treatment of adult patients with severe hypertriglyceridemia (1.2 ). Important Limitations of Use: Fenofibrate was not shown to reduce coronary heart disease morbidity and mortality in patients with type 2 diabetes mellitus (5.1 ).
1.1 Primary Hypercholesterolemia or Mixed Dyslipidemia
Fenofibrate tablets are indicated as adjunctive therapy to diet to reduce elevated low-density lipoprotein cholesterol (LDL-C), total cholesterol (Total-C), Triglycerides and apolipoprotein B (Apo B), and to increase high-density lipoprotein cholesterol (HDL-C) in adult patients with primary hypercholesterolemia or mixed dyslipidemia.
1.2 Severe Hypertriglyceridemia
Fenofibrate tablets are also indicated as adjunctive therapy to diet for treatment of adult patients with severe hypertriglyceridemia. Improving glycemic control in diabetic patients showing fasting chylomicronemia will usually obviate the need for pharmacologic intervention. Markedly elevated levels of serum triglycerides (e.g. > 2,000 mg/dL) may increase the risk of developing pancreatitis. The effect of fenofibrate therapy on reducing this risk has not been adequately studied.
1.3 Important Limitations of Use
Fenofibrate at a dose equivalent to 145 mg of fenofibrate tablets was not shown to reduce coronary heart disease morbidity and mortality in a large, randomized controlled trial of patients with type 2 diabetes mellitus [see Warnings and Precautions (5.1)].
2 Dosage & Administration
• Primary hypercholesterolemia or mixed dyslipidemia: Initial dose of 145 mg once daily (2.2 ). • Severe hypertriglyceridemia: Initial dose of 48 to 145 mg once daily. Maximum dose is 145 mg (2.3 ). • Renally impaired patients: Initial dose of 48 mg once daily (2.4 ). • Geriatric patients: Select the dose on the basis of renal function (2.5 ) • Maybe taken without regard to meals (2.1 ).
2.1 General Considerations
Patients should be placed on an appropriate lipid-lowering diet before receiving fenofibrate tablets, and should continue this diet during treatment with fenofibrate tablets. Fenofibrate tablets can be given without regard to meals. The initial treatment for dyslipidemia is dietary therapy specific for the type of lipoprotein abnormality. Excess body weight and excess alcoholic intake may be important factors in hypertriglyceridemia and should be addressed prior to any drug therapy. Physical exercise can be an important ancillary measure. Diseases contributory to hyperlipidemia, such as hypothyroidism or diabetes mellitus should be looked for and adequately treated. Estrogen therapy, thiazide diuretics and beta-blockers, are sometimes associated with massive rises in plasma triglycerides, especially in subjects with familial hypertriglyceridemia. In such cases, discontinuation of the specific etiologic agent may obviate the need for specific drug therapy of hypertriglyceridemia.Lipid levels should be monitored periodically and consideration should be given to reducing the dosage of fenofibrate tablets if lipid levels fall significantly below the targeted range.Therapy should be withdrawn in patients who do not have an adequate response after two months of treatment with the maximum recommended dose of 145 mg once daily.
2.2 Primary Hypercholesterolemia or Mixed Dyslipidemia
The initial dose of fenofibrate tablets is 145 mg once daily.
2.3 Severe Hypertriglyceridemia
The initial dose is 48 to 145 mg per day. Dosage should be individualized according to patient response, and should be adjusted if necessary following repeat lipid determinations at 4 to 8 week intervals. The maximum dose is 145 mg once daily.
2.4 Impaired Renal Function
Treatment with fenofibrate tablets should be initiated at a dose of 48 mg per day in patients having mild to moderately impaired renal function, and increased only after evaluation of the effects on renal function and lipid levels at this dose. The use of fenofibrate tablets should be avoided in patients with severe renal impairment [see Use in Specific Populations (8.6) and Clinical Pharmacology (12.3)]
2.5 Geriatric Patients
Dose selection for the elderly should be made on the basis of renal function [see Use in Specific Populations (8.5)].
3 Dosage Forms & Strengths
• 48 mg tablets are yellow, oval, biconvex film coated tablets, debossed with 'J' on one side and '137' on other side. • 145 mg tablets are white to off-white, oval, biconvex film coated tablets, debossed with 'J' on one side and '136' on other side.
Oral Tablets: 48 mg and 145 mg (3 ).
4 Contraindications
Fenofibrate tablets are contraindicated in: • patients with severe renal impairment, including those receiving dialysis [see Clinical Pharmacology (12.3)]. • patients with active liver disease, including those with primary biliary cirrhosis and unexplained persistent liver function abnormalities [see Warnings and Precautions (5.3)]. • patients with preexisting gallbladder disease [see Warnings and Precautions (5.5)]. • nursing mothers [see Use in Specific Populations (8.3)]. • patients with known hypersensitivity to fenofibrate or fenofibric acid [see Warnings and Precautions(5.9)].
• Severe renal dysfunction, including patients receiving dialysis (4 ,8.6 ,12.3 ). • Active liver disease (4 ,5.3 ) • Gallbladder disease (4 ,5.5 ). • Known hypersensitivity to fenofibrate (4 ). • Nursing mothers (4 ,8.3 ).
5 Warnings And Precautions
• Myopathy and rhabdomyolysis have been reported in patients taking fenofibrate. The risks for myopathy and rhahdomylosis are increased when fibrates are co-administered with a statin (with a significantly higher rate observed for gemfibrozil), particularly in elderly patients and patients with diabetes, renal failure, or hypothyroidism (5.2 ). • Fenofibrate tablets can increase serum transaminases. Monitor liver tests, including ALT, periodically during therapy (5.3 ). • Fenofibrate tablets can reversibly increase serum creatinine levels (5.4 ). Monitor renal function periodically in patients with renal impairment (8.6 ). • Fenofibrate tablets increases cholesterol excretion into the bile, leading to risk of cholelithiasis. If cholelithiasis is suspected, gallbladder studies are indicated (5.5 ). • Exercise caution in concomitant treatment with oral coumarin anticoagulants. Adjust the dosage of coumarin anticoagulant to maintain the prothrombin time/INR at the desired level to prevent bleeding complications (5.6 ).
5.1 Mortality and Coronary Heart Disease Morbidity
The effect of fenofibrate tablets on coronary heart disease morbidity and mortality and non-cardiovascular mortality has not been established. The Action to Control Cardiovascular Risk in Diabetes Lipid (ACCORD Lipid) trial was a randomized placebo-controlled study of 5518 patients with type 2 diabetes mellitus on background statin therapy treated with fenofibrate. The mean duration of follow-up was 4.7 years. Fenofibrate plus stain combination therapy showed a non-significant 8% relative risk reduction in the primary outcome of major adverse cardiovascular events (MACE), a composite of non-fatal myocardial infarction, non-fatal stroke, and cardiovascular disease death (hazard ratio [HR] 0.92, 95% CI 0.79 to1.08) (p=0.32) as compared to stain monotherapy. In a gender subgroup analysis, the hazard ratio for MACE in men receiving combination therapy versus stain monotherapy was 0.82 (95% CI 0.69 to 0.99), and the hazard ratio for MACE in women receiving combination therapy versus stain monotherapy was 1.38 (95% CI 0.98 to 1.94) (interaction p=0.001).The clinical significance of this subgroup finding is unclear. The 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 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 to 1.05, p=0.16) and a significant 11% reduction in the secondary outcome of total cardiovascular disease events (HR 0.89 [0.80 to 0.99], p=0.04). There was a non-significant 11% (HR 1.11 [0.95, 1.29], p=0.18) and 19% (HR 1.19 [0.90, 1.57], p=0.22) increase in total and coronary heart disease mortality, respectively, with fenofibrate as compared to placebo. Because of chemical, pharmacological, and clinical similarities between fenofibrate tablets, clofibrate, and gemfibrozil, the adverse findings in 4 large randomized, placebo-controlled clinical studies with these other fibrate drugs may also apply to fenofibrate tablets. 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. There was however, a difference in the rate of cholelithiasis and cholecystitis requiring surgery between the two groups (3% vs. 1.8%). 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 to 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 World Health Organization 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 to 5.05). The rate of gallbladder surgery was not statistically significant between study groups, but did trend higher in the gemfibrozil group, (1.9% vs. 0.3%, p = 0.07).
5.2 Skeletal Muscle
Fibrates increase the risk for myopathy and have been associated with rhabdomyolysis. The risk for serious muscle toxicity appears to be increased in elderly patients and in patients with diabetes, renal insufficiency, or hypothyroidism. 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 tablets therapy should be discontinued if markedly elevated CPK levels occur or myopathy/myositis is suspected or diagnosed. Data from observational studies indicate that the risk for rhabdomyolysis is increased when fibrates, in particular gemfibrozil, are co-administered with an HMG-CoA reductase inhibitor (statin). The combination should be avoided unless the benefit of further alterations in lipid levels is likely to outweigh the increased risk of this drug combination [see Clinical Pharmacology (12.3)]. Cases of myopathy, including rhabdomyolysis, have been reported with fenofibrates co-administered with colchicine, and caution should be exercised when prescribing fenofibrate with colchicine [see Drug Interactions (7.4)].
5.3 Liver Function
Fenofibrate at doses equivalent to 96 mg to 145 mg fenofibrate tablets per day has been associated with increases in 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 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 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 96 mg to 145 mg fenofibrate tablets per day and was 0% in those receiving dosages equivalent to 48 mg or less fenofibrate tablets per day, or placebo. Hepatocellular, chronic active and cholestatic hepatitis associated with fenofibrate therapy have been reported after exposures of weeks to several years. In extremely rare cases, cirrhosis has been reported in association with chronic active hepatitis. Baseline and regular periodic monitoring of liver function, including serum ALT (SGPT) should be performed for the duration of therapy with fenofibrate tablets, and therapy discontinued if enzyme levels persist above three times the normal limit.
5.4 Serum Creatinine
Elevations in serum creatinine have been reported in patients on fenofibrate. These elevations tend to return to baseline following discontinuation of fenofibrate. The clinical significance of these observations is unknown. Monitor renal function in patients with renal impairment taking fenofibrate tablets. Renal monitoring should also be considered for patients taking fenofibrate tablets at risk for renal insufficiency such as the elderly and patients with diabetes.
5.5 Cholelithiasis
Fenofibrate, like clofibrate and gemfibrozil, may increase cholesterol excretion into the bile, leading to cholelithiasis. If cholelithiasis is suspected, gallbladder studies are indicated. Fenofibrate therapy should be discontinued if gallstones are found.
5.6 Coumarin Anticoagulants
Caution should be exercised when coumarin anticoagulants are given in conjunction with fenofibrate tablets because of the potentiation of coumarin-type anticoagulant effects in prolonging the Prothrombin Time/ International Normalized Ratio (PT/INR). To prevent bleeding complications, frequent monitoring of PT/INR and dose adjustment of the anticoagulant are recommended until PT/INR has stabilized [see Drug Interactions (7.1)].
5.7 Pancreatitis
Pancreatitis has been reported in patients taking fenofibrate, gemfibrozil, and clofibrate. 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.
5.8 Hematologic Changes
Mild to moderate hemoglobin, hematocrit, and white blood cell decreases have been observed in patients following initiation of fenofibrate therapy. However, these levels stabilize during long-term administration. Thrombocytopenia and agranulocytosis have been reported in individuals treated with fenofibrate. Periodic monitoring of red and white blood cell counts are recommended during the first 12 months of fenofibrate tablets administration.
5.9 Hypersensitivity Reactions
Acute hypersensitivity reactions such as Stevens-Johnson syndrome and toxic epidermal necrolysis requiring patient hospitalization and treatment with steroids have been reported in individuals treated with fenofibrates. Urticaria was seen in 1.1 vs. 0%, and rash in 1.4 vs. 0.8% of fenofibrate and placebo patients respectively in controlled trials.
5.10 Venothromboembolic Disease
In the FIELD trial, pulmonary embolus (PE) and deep vein thrombosis (DVT) were observed at higher rates in the fenofibrate- than the placebo-treated group. Of 9,795 patients enrolled in FIELD, there were 4,900 in the placebo group and 4,895 in the fenofibrate group. For DVT, there were 48 events (1%) in the placebo group and 67 (1%) in the fenofibrate group (p = 0.074); and for PE, there were 32 (0.7%) events in the placebo group and 53 (1%) in the 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).
5.11 Paradoxical Decreases in HDL Cholesterol Levels
There have been postmarketing and clinical trial reports of severe decreases in HDL cholesterol levels (as low as 2 mg/dL) occurring in a diabetic and non-diabetic patients initiated on fibrate therapy. The decrease in HDL-C is mirrored by a decrease in apolipoprotein A1. This decrease has been reported to occur within 2 weeks to years after initiation of fibrate therapy. The HDL-C levels remain depressed until fibrate therapy has been withdrawn; the response to withdrawal of fibrate therapy is rapid and sustained. The clinical significance of this disease in HDL-C is unknown. It is recommended that HDL-C levels be checked within the first few months after initiation of fibrate therapy. If a severely depressed HDL-C level is detected, fibrate therapy should be withdrawn, and the HDL-C level monitored until it has returned to baseline, and fibrate therapy should not be re-initiated.
6 Adverse Reactions
The most common adverse reactions (> 2% and at least 1% greater than placebo) are abnormal liver tests, increased AST, increased ALT, increased CPK, and rhinitis (6). To report SUSPECTED ADVERSE REACTIONS, contact Hetero Labs Limited at 866-495-1995 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch
6.1 Clinical Trials Experience
Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice. Adverse events reported by 2% or more of patients treated with fenofibrate (and greater than placebo) during the double-blind, placebo-controlled trials, regardless of causality, are uled in Table 1 below. Adverse events led to discontinuation of treatment in 5% of patients treated with fenofibrate and in 3% treated with placebo. Increases in liver function tests were the most frequent events, causing discontinuation of fenofibrate treatment in 1.6% of patients in double-blind trials. Table 1 Adverse Reactions Reported by 2% or More of Patients Treated with Fenofibrate and Greater than Placebo During the Double-Blind, Placebo-Controlled Trials.
BODY SYSTEM Fenofibrate* Placebo Adverse Reaction (N=439) (N=365) BODY AS A WHOLE   Abdominal pain 4.6 % 4.4% Back pain 3.4 % 2.5% Headache 3.2 % 2.7% DIGESTIVE   NauseaConstipation 2.3 %                            2.1%                     1.9%                    1.4% METABOLIC AND NUTRITIONAL DISORDERS Abnormal Liver Function Tests                                  7.5%**                                              1.4% Increased ALT 3 % 1.6% Increased CPK 3 % 1.4% Increased AST 3.4%** 0.5% RESPIRATORY   Respiratory Disorder 6.2 % 5.5% Rhinitis 2.3 % 1.1%
*Dosage equivalent to 145 mg fenofibrate tablets.**Significantly different from placebo.
6.2 Postmarketing Experience
The following adverse reactions have been identified during postapproval use of fenofibrate: myalgia, rhabdomyolysis, pancreatitis, acute renal failure, muscle spasm, hepatitis, cirrhosis, anemia, arthralgia, decreases in hemoglobin, decreases in hematocrit, white blood cell decreases asthenia, and severely depressed HDL-cholesterol levels. 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.
7 Drug Interactions
• Coumarin anticoagulants: (7.1). • Immunosuppressants: (7.2). • Bile acid resins: (7.3).
7.1 Coumarin Anticoagulants
Potentiation of coumarin-type anticoagulant effects has been observed with prolongation of the PT/INR. Caution should be exercised when coumarin anticoagulants are given in conjunction with fenofibrate tablets. The dosage of the anticoagulants should be reduced to maintain the PT/INR at the desired level to prevent bleeding complications. Frequent PT/INR determinations are advisable until it has been definitely determined that the PT/INR has stabilized [see Warnings and Precautions (5.6)].
7.2 Immunosuppressants
Immunosuppessants such as cyclosporine and tacrolimus can produce nephrotoxicity with decreases in creatinine clearance and rises in serum creatinine, and because renal excretion is the primary elimination route of fibrate drugs including fenofibrate tablets, there is a risk that an interaction will lead to deterioration of renal function. The benefits and risks of using fenofibrate tablets with immunosuppressants and other potentially nephrotoxic agents should be carefully considered, and the lowest effective dose employed and renal function monitored.
7.3 Bile Acid Binding Resins
Since bile acid binding resins may bind other drugs given concurrently, patients should take fenofibrate tablets at least 1 hour before or 4 to 6 hours after a bile acid binding resin to avoid impeding its absorption.
7.4 Colchicine
Cases of myopathy, including rhabdomyolysis, have been reported with fenofibrate co-administered with colchicine, and caution should be exercised when prescribing fenofibrate with colchicine.
8 Use In Specific Populations
- Geriatric Use: Determine dose selection based on renal function (8.5).
- Renal Impairment: Avoid use in patients with severe renal impairment. Dose reduction is required in patients with mild to moderate renal impairment (8.6).
8.1 Pregnancy
Teratogenic Effects Pregnancy Category C Safety in pregnant women has not been established. There are no adequate and well controlled studies of fenofibrate in pregnant women. Fenofibrate should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. In female rats given oral dietary doses of 15, 75, and 300 mg/kg/day of fenofibrate from 15 days prior to mating through weaning, maternal toxicity was observed at 0.3 times the MRHD, based on body surface area comparisons; mg/m2. In pregnant rats given oral dietary doses of 14, 127, and 361 mg/kg/day from gestation day 6 to 15 during the period of organogenesis, adverse developmental findings were not observed at 14 mg/kg/day (less than 1 times the MRHD, based on body surface area comparisons; mg/m2). At higher multiples of human doses evidence of maternal toxicity was observed. In pregnant rabbits given oral gavage doses of 15, 150, and 300 mg/kg/day from gestation day 6 to 18 during the period of organogenesis and allowed to deliver, aborted litters were observed at 150 mg/kg/day (10 times the MRHD, based on body surface area comparisons: mg/m2). No developmental findings were observed at 15 mg/kg/day (at less than 1 times the MRHD, based on body surface area comparisons; mg/m2). In pregnant rats given oral dietary doses of 15, 75, and 300 mg/kg/day from gestation day 15 through lactation day 21 (weaning), maternal toxicity was observed at less than 1 times the maximum recommended human dose (MRHD), based on body surface area comparisons; mg/m2.
8.3 Nursing Mothers
Fenofibrate should not be used in nursing mothers. A decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
8.4 Pediatric Use
Safety and effectiveness have not been established in pediatric patients.
8.5 Geriatric Use
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. Fenofibric acid exposure is not influenced by age. Since elderly patients have a higher incidence of renal impairment, dose selection for the elderly should be made on the basis of renal function [see Dosage and Administration (2.5) and Clinical Pharmacology (12.3)]. Elderly patients with normal renal function should require no dose modifications. Consider monitoring renal function in elderly patients taking fenofibrate tablets.
8.6 Renal Impairment
The use of fenofibrate tablets should be avoided in patients who have severe renal impairment [see Contraindications (4)]. Dose reduction is required in patients with mild to moderate renal impairment [see Dosage and Administration (2.4) and Clinical Pharmacology (12.3)]. Monitoring renal function in patients with renal impairment is recommended.
8.7 Hepatic Impairment
The use of fenofibrate tablets has not been evaluated in subjects with hepatic impairment [see Contraindications (4) and Clinical Pharmacology (12.3)].
10 Overdosage
There is no specific treatment for overdose with fenofibrate tablets. General supportive care of the patient is indicated, including monitoring of vital signs and observation of clinical status, should an overdose occur. If indicated, elimination of unabsorbed drug should be achieved by emesis or gastric lavage; usual precautions should be observed to maintain the airway. Because fenofibric acid is highly bound to plasma proteins, hemodialysis should not be considered.
11 Description
Fenofibrate tablets, USP are lipid regulating agent available as tablets for oral administration. Each tablet contains 48 mg or 145 mg of fenofibrate USP. The chemical name for fenofibrate USP is Isopropyl-2-[p-(p-chlorobenzoyl) phenoxy]-2-methylpropanoate with the following structural formula:
The empirical formula is C20H21ClO4 and the molecular weight is 360.83; fenofibrate USP is very soluble in methylene chloride, slightly soluble in alcohol and practically insoluble in water. The melting point is 79 to 82°C. Fenofibrate USP is a white or almost white crystalline powder which is stable under ordinary conditions. Inactive Ingredients Each tablet contains croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulphate and sucrose. The 48 mg tablets are coated with Opadry Yellow, which contains D&C Yellow # 10 aluminum lake, FD&C Blue # 2 / indigo caramine aluminum lake, FD&C Yellow # 6 / sunset yellow FCF aluminum lake, lecithin, polyvinyl alcohol, talc, titanium dioxide and xanthum gum. The 145 mg tablets are coated with Opadry White which contains lecithin, polyvinyl alcohol, talc, titanium dioxide and xanthum gum.
12 Clinical Pharmacology
12.1 Mechanism of Action
The active moiety of fenofibrate tablets is fenofibric acid. The pharmacological effects of fenofibric acid in both animals and humans have been extensively studied through oral administration of fenofibrate. The lipid-modifying effects of fenofibric acid seen in clinical practice have been explained in vivo in transgenic mice and in vitro in human hepatocyte cultures by the activation of peroxisome proliferator activated receptor α (PPARα). Through this mechanism, fenofibrate increases lipolysis and elimination of triglyceride-rich particles from plasma by activating lipoprotein lipase and reducing production of apoprotein C-III (an inhibitor of lipoprotein lipase activity). The resulting decrease in TG produces an alteration in the size and composition of LDL from small, dense particles (which are thought to be atherogenic due to their susceptibility to oxidation), to large buoyant particles. These larger particles have a greater affinity for cholesterol receptors and are catabolized rapidly. Activation of PPARα also induces an increase in the synthesis of apolipoproteins A-I, A-II and HDL-cholesterol. Fenofibrate also reduces serum uric acid levels in hyperuricemic and normal individuals by increasing the urinary excretion of uric acid.
12.2 Pharmacodynamics
A variety of clinical studies have demonstrated that elevated levels of total-C, LDL-C, and apo B, an LDL membrane complex, are associated with human atherosclerosis. Similarly, decreased levels of HDL-C and its transport complex, apolipoprotein A (apo AI and apo AII) are associated with the development of atherosclerosis. Epidemiologic investigations have established that cardiovascular morbidity and mortality vary directly with the level of total-C, LDL-C, and TG, and inversely with the level of HDL-C. The independent effect of raising HDL-C or lowering triglycerides (TG) on the risk of cardiovascular morbidity and mortality has not been determined. Fenofibric acid, the active metabolite of fenofibrate, produces reductions in total cholesterol, LDL cholesterol, apolipoprotein B, total triglycerides and triglyceride rich lipoprotein (VLDL) in treated patients. In addition, treatment with fenofibrate results in increases in high density lipoprotein (HDL) and apolipoproteins apoAI and apoAII.
12.3 Pharmacokinetics
Plasma concentrations of fenofibric acid after administration of three 48 mg or one145 mg tablets are equivalent under fed conditions to one 200 mg micronized fenofibrate capsule. Fenofibrate is a pro-drug of the active chemical moiety fenofibric acid. Fenofibrate is converted by ester hydrolysis in the body to fenofibric acid which is the active constituent measurable in the circulation. Absorption The absolute bioavailability of fenofibrate cannot be determined as the compound is virtually insoluble in aqueous media suitable for injection. However, fenofibrate is well absorbed from the gastrointestinal tract. Following oral administration in healthy volunteers, approximately 60% of a single dose of radiolabelled fenofibrate appeared in urine, primarily as fenofibric acid and its glucuronate conjugate, and 25% was excreted in the feces. Peak plasma levels of fenofibric acid occur within 6 to 8 hours after administration. Exposure to fenofibric acid in plasma, as measured by Cmax and AUC, is not significantly different when a single 145 mg dose of fenofibrate is administered under fasting or nonfasting conditions. Distribution Upon multiple dosing of fenofibrate, fenofibric acid steady state is achieved within 9 days. Plasma concentrations of fenofibric acid at steady state are approximately double of those following a single dose. Serum protein binding was approximately 99% in normal and hyperlipidemic subjects. Metabolism Following oral administration, fenofibrate is rapidly hydrolyzed by esterases to the active metabolite, fenofibric acid; no unchanged fenofibrate is detected in plasma. Fenofibric acid is primarily conjugated with glucuronic acid and then excreted in urine. A small amount of fenofibric acid is reduced at the carbonyl moiety to a benzhydrol metabolite which is, in turn, conjugated with glucuronic acid and excreted in urine. In vivo metabolism data indicate that neither fenofibrate nor fenofibric acid undergo oxidative metabolism (e.g., cytochrome P450) to a significant extent. Elimination After absorption, fenofibrate is mainly excreted in the urine in the form of metabolites, primarily fenofibric acid and fenofibric acid glucuronide. After administration of radiolabelled fenofibrate, approximately 60% of the dose appeared in the urine and 25% was excreted in the feces. Fenofibric acid is eliminated with a half-life of 20 hours, allowing once daily dosing. Special Populations Geriatrics In elderly volunteers 77 to 87 years of age, the oral clearance of fenofibric acid following a single oral dose of fenofibrate was 1.2 L/h, which compares to 1.1 L/h in young adults. This indicates that a similar dosage regimen can be used in elderly with normal renal function, without increasing accumulation of the drug or metabolites. [see Dosage and Administration (2.5) and Use in Specific Populations (8.5)]. Pediatrics The pharmacokinetics of fenofibrate tablets has not been studied in pediatric populations. Gender No pharmacokinetic difference between males and females has been observed for fenofibrate. Race The influence of race on the pharmacokinetics of fenofibrate has not been studied, however fenofibrate is not metabolized by enzymes known for exhibiting inter-ethnic variability. Renal Impairment The pharmacokinetics of fenofibric acid was examined in patients with mild, moderate, and severe renal impairment. Patients with severe renal impairment (estimated glomerular filtration rate [eGFR] < 30 mL/min/1.73 m2) showed 2.7-fold increase in exposure for fenofibric acid and increased accumulation of fenofibric acid during chronic dosing compared to that of healthy subjects. Patients with mild to moderate renal impairment (eGFR 30 to 59 mL/min/1.73m2) had similar exposure but an increase in the half-life for fenofibric acid compared to that of healthy subjects. Based on these findings, the use of fenofibrate tablets should be avoided in patients who have severe renal impairment and dose reduction is required in patients having mild to moderate renal impairment [see Dosage and Administration (2.4)]. Hepatic Impairment No pharmacokinetic studies have been conducted in patients with hepatic impairment. Drug-drug Interactions In vitro studies using human liver microsomes indicate that fenofibrate and fenofibric acid are not inhibitors of cytochrome (CYP) P450 isoforms CYP3A4, CYP2D6, CYP2E1, or CYP1A2. They are weak inhibitors of CYP2C8, CYP2C19 and CYP2A6, and mild-to-moderate inhibitors of CYP2C9 at therapeutic concentrations. Table 2 describes the effects of co-administered drugs on fenofibric acid systemic exposure. Table 3 describes the effects of co-administered fenofibrate or fenofibric acid on other drugs. Table 2. Effects of Co-Administered Drugs on Fenofibric Acid Systemic Exposure from Fenofibrate Administration
Co - Administered Drug Dosage Regimen of Co-Administered Drug Dosage Regimen of Fenofibrate Change in Fenofibric Acid Exposure AUC Cmax Lipid-lowering agents Atorvastatin 20 mg once daily for 10 days Fenofibrate 160 mg1 once daily for 10 days ↓2% ↓4% Pravastatin 40 mg as a single dose Fenofibrate 3× 67 mg2 as asingle dose ↓1% ↓2% Fluvastatin 40 mg as a single dose Fenofibrate 160 mg1 as asingle dose ↓2% ↓10% Anti-diabetic agents Glimepiride 1 mg as a single dose Fenofibrate 145 mg1 oncedaily for 10 days ↑1% ↓1% Metformin 850 mg three times daily for 10 days Fenofibrate 54 mg1 three times daily for10 days ↓9% ↓6% Rosiglitazone 8 mg once daily for 5 days Fenofibrate 145 mg1  once daily for 14days ↑10% ↑3% 1 Fenofibrate oral tablet 2 Fenofibrate oral micronized capsule
Table 3. Effects of Fenofibrate Co-Administration on Systemic Exposure of Other Drugs
Dosage Regimen ofFenofibrate Dosage Regimen of Co-Administered Drug Change in Co-Administered Drug Exposure Analyte AUC Cmax Lipid-lowering agents Fenofibrate 160 mg1 oncedaily for 10 days Atorvastatin, 20 mg once daily for 10 days Atorvastatin ↓17% 0% Fenofibrate 3 × 67 mg2 as a single dose Pravastatin, 40 mg as a single dose Pravastatin ↑13% ↑13%   3α-Hydroxyl-iso-pravastatin ↑26% ↑29% Fenofibrate 160 mg1 as a single dose Fluvastatin, 40 mg as a single dose (+)-3R, 5SFluvastatin ↑15% ↑16% Anti-diabetic agents Fenofibrate 145 mg1 once daily for 10 days Glimepiride, 1 mg as a single dose Glimepiride ↑35% ↑18% Fenofibrate 54 mg1 three times daily for 10 days Metformin, 850 mg three times daily for 10 days Metformin ↑3% ↑6% Fenofibrate 145 mg1 once daily for 14 days Rosiglitazone, 8 mg, oncedaily for 5 days Rosiglitazone ↑6% ↓1% 1 Fenofibrate oral tablet      2fenofibrateoral micronized capsule
13 Nonclinical Toxicology
13.1 Carcinogenesis & Mutagenesis & Impairment Of Fertility
Two dietary carcinogenicity studies have been conducted in rats with fenofibrate. In the first 24-month study, Wistar rats were dosed with fenofibrate at 10, 45, and 200 mg/kg/day, approximately 0.3, 1, and 6 times the maximum recommended human dose (MRHD), based on body surface area comparisons (mg/m2). At a dose of 200 mg/kg/day (at 6 times the MRHD), the incidence of liver carcinomas was significantly increased in both sexes. A statistically significant increase in pancreatic carcinomas was observed in males at 1 and 6 times the MRHD; an increase in pancreatic adenomas and benign testicular interstitial cell tumors was observed at 6 times the MRHD in males. In a second 24-month rat carcinogenicity study in a different strain of rats (Sprague-Dawley), doses of 10 and 60 mg/kg/day (0.3 and 2 times the MRHD) produced significant increases in the incidence of pancreatic acinar adenomas in both sexes and increases in testicular interstitial cell tumors in males at 2 times the MRHD.Â
A 117-week carcinogenicity study was conducted in rats comparing three drugs: fenofibrate 10 and 60 mg/kg/day (0.3 and 2 times the MRHD), clofibrate (400 mg/kg/day; 2 times the human dose), and gemfibrozil (250 mg/kg/day; 2 times the human dose, based on mg/m2 surface area). Fenofibrate increased pancreatic acinar adenomas in both sexes. Clofibrate increased hepatocellular carcinoma and pancreatic acinar adenomas in males and hepatic neoplastic nodules in females. Gemfibrozil increased hepatic neoplastic nodules in males and females, while all three drugs increased testicular interstitial cell tumors in males.Â
In a 21-month study in CF-1 mice, fenofibrate 10, 45, and 200 mg/kg/day (approximately 0.2, 1, and 3 times the MRHD on the basis of mg/m2 surface area) significantly increased the liver carcinomas in both sexes at 3 times the MRHD. In a second 18-month study at 10, 60, and 200 mg/kg/day, fenofibrate significantly increased the liver carcinomas in male mice and liver adenomas in female mice at 3 times the MRHD.Â
Electron microscopy studies have demonstrated peroxisomal proliferation following 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.Â
Mutagenesis: Fenofibrate has been demonstrated to be devoid of mutagenic potential in the following tests: Ames, mouse lymphoma, chromosomal aberration and unscheduled DNA synthesis in primary rat hepatocytes.
Impairment of Fertility: In fertility studies rats were given oral dietary doses of fenofibrate, males received 61 days prior to mating and females 15 days prior to mating through weaning which resulted in no adverse effect on fertility at doses up to 300 mg/kg/day (~10 times the MRHD, based on mg/m2 surface area comparisons).Â
14 Clinical Studies
14.1 Primary Hypercholesterolemia (Heterozygous Familial and Nonfamilial) and Mixed Dyslipidemia
The effects of fenofibrate at a dose equivalent to 145 mg fenofibrate tablets per day were assessed from four randomized, placebo-controlled, double-blind, parallel-group studies including patients with the following mean baseline lipid values: total-C 306.9 mg/dL; LDL-C 213.8 mg/dL; HDL-C 52.3 mg/dL; and triglycerides 191 mg/dL. Fenofibrate therapy lowered LDL-C, Total-C, and the LDL-C/HDL-C ratio. Fenofibrate therapy also lowered triglycerides and raised HDL-C (see Table 4). Table 4. Mean Percent Change in Lipid Parameters at End of Treatmentâ€
Treatment Group Total-C LDL-C HDL-C TG Pooled Cohort Mean baseline lipid values (n=646) 306.9 mg/dL 213.8 mg/dL 52.3 mg/dL 191 mg/dL All FEN (n=361) -18.7%* -20.6%* +11%* -28.9%* Placebo (n=285) -0.4% -2.2% +0.7% +7.7% Baseline LDL-C > 160 mg/dL and TG < 150 mg/dL Mean baseline lipid values (n=334) 307.7 mg/dL 227.7 mg/dL 58.1 mg/dL 101.7 mg/dL All FEN (n=193) -22.4%* -31.4%* +9.8%* -23.5%* Placebo (n=141) +0.2% -2.2% +2.6% +11.7% Baseline LDL-C >160 mg/dL and TG  ≥ 150 mg/dL Mean baseline lipid values (n=242) 312.8 mg/dL 219.8 mg/dL 46.7 mg/dL 231.9 mg/dL All FEN (n=126) -16.8%* -20.1%* +14.6%* -35.9%* Placebo (n=116) -3 % -6.6% +2.3% +0.9%
†Duration of study treatment was 3 to 6 months.*  p=<0.05 vs. PlaceboIn a subset of the subjects, measurements of apo B were conducted. Fenofibrate treatment significantly reduced apo B from baseline to end point as compared with placebo (-25.1% vs. 2.4%, p < 0.0001, n=213 and 143 respectively).
14.2 Severe Hypertriglyceridemia
The effects of fenofibrate on serum triglycerides were studied in two randomized, double-blind, placebo-controlled clinical trials of 147 hypertriglyceridemic patients. Patients were treated for eight weeks under protocols that differed only in that one entered patients with baseline TG levels of 500 to 1500 mg/dL, and the other TG levels of 350 to 500 mg/dL. In patients with hypertriglyceridemia and normal cholesterolemia with or without hyperchylomicronemia, treatment with fenofibrate at dosages equivalent to fenofibrate tablets 145 mg per day decreased primarily very low density lipoprotein (VLDL) triglycerides and VLDL cholesterol. Treatment of patients with elevated triglycerides often results in an increase of LDL-C (see Table 5). Table 5. Effects of Fenofibrate Tablets in Patients With Severe Hypertriglyceridemia
Study 1 Placebo Fenofibrate Tablets Baseline TG levels 350 to 499 mg/dL N Base Line (Mean) End point (Mean) % Change (Mean) N Base line (Mean) End point (Mean) % Change (Mean) Triglycerides 28 449 450 -0.5 27 432 223 -46.2* VLDL Triglycerides 19 367 350 2.7 19 350 178 -44.1* Total Cholesterol 28 255 261 2.8 27 252 227 -9.1* HDL Cholesterol 28 35 36 4 27 34 40 19.6* LDL Cholesterol 28 120 129 12 27 128 137 14.5 VLDL Cholesterol 27 99 99 5.8 27 92 46 -44.7* Study 2 Placebo Fenofibrate Tablets Baseline TG levels 500 to 1500 mg/dL N Baseline (Mean) End point (Mean) % Change (Mean) N Base line (Mean) End point (Mean) % Change (Mean) Triglycerides 44 710 750 7.2 48 726 308 -54.5* VLDL Triglycerides 29 537 571 18.7 33 543 205 -50.6* Total Cholesterol 44 272 271 0.4 48 261 223 -13.8* HDL Cholesterol 44 27 28 5 48 30 36 22.9* LDL Cholesterol 42 100 90 -4.2 45 103 131 45* VLDL Cholesterol 42 137 142 11 45 126 54 -49.4*
 *=p<0.05 vs Placebo The effect of fenofibrate tablets on cardiovascular morbidity and mortality has not been determined.
16 How Supplied/storage And Handling
Fenofibrate tablets, USP are available in two strengths:48 mg tablets are yellow, oval, biconvex film coated tablets, debossed with 'J' on one side and '137' on other side, available in:Bottles of 30 Tablets                                                                     NDC 31722-595-30 Bottles of 90 Tablets                                                                     NDC 31722-595-90Carton of 100 (10×10) Unit dose tablets (PVC-PE-PVdC)            NDC 31722-595-31 Carton of 100 (10×10) Unit dose tablets (Alu-Alu)                      NDC 31722-595-32 145 mg tablets are white to off-white, oval, biconvex film coated tablets, debossed with 'J' on one side and '136' on other side, available in:Bottles of 30 Tablets                                                                    NDC 31722-596-30Bottles of 90 Tablets                                                                    NDC 31722-596-90Carton of 70 (7×10) Unit dose tablets (PVC-PE-PVdC)               NDC 31722-596-31Carton of 100 (10×10) Unit dose tablets (Alu-Alu)                      NDC 31722-596-32Storage Store at 20o to 25oC (68o to 77o F) [See USP Controlled Room Temperature]. Keep out of reach of children. Protect from moisture.
17 Patient Counseling Information
Patients should be advised:
• of the potential benefits and risks of fenofibrate tablets.
• not to use fenofibrate tablets if there is a known hypersensitivity to fenofibrate or fenofibric acid.
• of medications that should not be taken in combination with fenofibrate tablets.
• that if they are taking coumarin anticoagulants, fenofibrate tablets may increase their anti-coagulant effect, and increased monitoring may be necessary.
• to continue to follow an appropriate lipid-modifying diet while taking fenofibrate tablets.
• to take fenofibrate tablets once daily, without regard to food, at the prescribed dose, swallowing each tablet whole.
• to return for routine monitoring.
• to inform their physician of all medications, supplements, and herbal preparations they are taking and any change to their medical condition. Patients should also be advised to inform their physicians prescribing a new medication that they are taking fenofibrate tablets.
• to inform their physician of any muscle pain, tenderness, or weakness; onset of abdominal pain; or any other new symptoms. Manufactured for:
Camber Pharmaceuticals, Inc.Piscataway, NJ-08845Manufactured by: Hetero Labs Limited                Â
Revised: 08/2016
Package Label.principal Display Panel
Fenofibrate 48 mg 30s count
Fenofibrate 48 mg carton
Fenofibrate 48 mg foil
Fenofibrate 145 mg 30s count
Fenofibrate 145 mg carton
Fenofibrate 145 mg foil
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