Medically reviewed by Kovalenko Svetlana Olegovna, PharmD. Last updated on 2020-03-28
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Therapy with lipid-altering agents should be only one component of multiple risk factor intervention in individuals at significantly increased risk for atherosclerotic vascular disease due to hypercholesterolemia. Drug therapy is indicated as an adjunct to diet when the response to a diet restricted in saturated fat and cholesterol and other non-pharmacologic measures alone has been inadequate.
Hypercholesterolemia (Heterozygous Familial and Nonfamilial) and Mixed Dyslipidemia
Lescol Depot and Lescol Depot XL are indicated
- as an adjunct to diet to reduce elevated total cholesterol (Total-C), low-density lipoprotein cholesterol (LDL-C), triglyceride (TG) and apolipoprotein B (Apo B) levels, and to increase high-density lipoprotein cholesterol (HDL-C) in patients with primary hypercholesterolemia and mixed dyslipidemia (Fredrickson Type IIa and IIb).
- as an adjunct to diet to reduce Total-C, LDL-C, and Apo B levels in adolescent boys and adolescent girls who are at least one year post-menarche, 10-16 years of age, with heterozygous familial hypercholesterolemia and the following findings are present:
- LDL-C remains ≥ 190 mg/dL or
- LDL-C remains ≥ 160 mg/dL and:
- there is a positive family history of premature cardiovascular disease or
- two or more other cardiovascular disease risk factors are present
The NCEP classification of cholesterol levels in pediatric patients with a familial history of hypercholesterolemia or premature CVD is summarized below.
|Category||Total-C (mg/dL)||LDL-C (mg/dL)|
|Acceptable||< 170||< 110|
|High||≥ 200||≥ 130|
Children treated with fluvastatin in adolescence should be re-evaluated in adulthood and appropriate changes made to their cholesterol-lowering regimen to achieve adult treatment goals.
Secondary Prevention of Cardiovascular Disease
In patients with clinically evident CHD, Lescol Depot and Lescol Depot XL are indicated to:
- reduce the risk of undergoing coronary revascularization procedures
- slow the progression of coronary atherosclerosis
Limitations of Use
Neither Lescol Depot nor Lescol Depot XL have been studied in conditions where the major abnormality is elevation of chylomicrons, VLDL, or IDL (i.e., hyperlipoproteinemia Types I, III, IV, or V).
General Dosing Information
Dose range: 20 mg to 80 mg/ day.
Lescol Depot/Lescol Depot XL can be administered orally as a single dose, with or without food.
Do not break, crush or chew Lescol Depot XL tablets or open Lescol Depot capsules prior to administration.
Do not take two Lescol Depot 40 mg capsules at one time.
Since the maximal effect of a given dose is seen within 4 weeks, periodic lipid determinations should be performed at this time and dosage adjusted according to the patient's response to therapy and established treatment guidelines.
For patients requiring LDL-C reduction to a goal of ≥ 25%, the recommended starting dose is 40 mg as one capsule in the evening, 80 mg as one Lescol Depot XL tablet administered as a single dose at any time of the day or 80 mg in divided doses of the 40 mg capsule given twice daily. For patients requiring LDL-C reduction to a goal of < 25% a starting dose of 20 mg may be used.
Adult Patients with Hypercholesterolemia (Heterozygous Familial and Nonfamilial) and Mixed Dyslipidemia
Adult patients can be started on either Lescol Depot or Lescol Depot XL. The recommended starting dose for Lescol Depot is one 40 mg capsule in the evening, or one Lescol Depot 40 mg capsule twice daily. Do not take two Lescol Depot 40 mg capsules at one time.
The recommended starting dose for Lescol Depot XL is one 80 mg tablet administered as a single dose at any time of the day.
Pediatric Patients (10-16 years of age) with Heterozygous Familial Hypercholesterolemia
The recommended starting dose is one 20 mg Lescol Depot capsule. Dose adjustments, up to a maximum daily dose administered either as Lescol Depot capsules 40 mg twice daily or one Lescol Depot XL 80 mg tablet once daily should be made at 6 week intervals. Doses should be individualized according to the goal of therapy 1.
Use with Cyclosporine
Do not exceed a dose of 20 mg b.i.d. Lescol Depot in patients taking cyclosporine.
Use with Fluconazole
Do not exceed a dose of 20 mg b.i.d. Lescol Depot in patients taking fluconazole.
Hypersensitivity to any Component of this Medication
Lescol Depot and Lescol Depot XL are contraindicated in patients with hypersensitivity to any component of this medication.
Active Liver Disease
Lescol Depot and Lescol Depot XL are contraindicated in patients with active liver disease or unexplained, persistent elevations in serum transaminases.
Lescol Depot and Lescol Depot XL are contraindicated in women who are pregnant or may become pregnant. Serum cholesterol and triglycerides increase during normal pregnancy, and cholesterol or cholesterol derivatives are essential for fetal development. Lescol Depot and Lescol Depot XL may cause fetal harm when administered to pregnant women. Atherosclerosis is a chronic process and the discontinuation of lipid-lowering drugs during pregnancy should have little impact on the outcome of long-term therapy of primary hypercholesterolemia.
Lescol Depot and Lescol Depot XL should be administered to women of childbearing age only when such patients are highly unlikely to conceive and have been informed of the potential hazards. If the patient becomes pregnant while taking this drug, Lescol Depot and Lescol Depot XL should be discontinued and the patient should be apprised of the potential hazard to the fetus.
Fluvastatin is secreted into the breast milk of animals and because HMG-CoA reductase inhibitors have the potential to cause serious adverse reactions in nursing infants, women who require treatment with Lescol Depot or Lescol Depot XL should be advised not to breastfeed their infants.
Included as part of the PRECAUTIONS section.
Rhabdomyolysis with acute renal failure secondary to myoglobinuria have been reported with Lescol Depot/Lescol Depot XL and other drugs in this class.
Lescol Depot/Lescol Depot XL should be prescribed with caution in patients with predisposing factors for myopathy. These factors include advanced age ( > 65 years), renal impairment, and inadequately treated hypothyroidism.
The risk of myopathy and/or rhabdomyolysis with statins is increased with concurrent therapy with cyclosporine, erythromycin, fibrates or niacin. Myopathy was not observed in a clinical trial in 74 patients involving patients who were treated with Lescol Depot/Lescol Depot XL together with niacin. Isolated cases of myopathy have been reported during post-marketing experience with concomitant administration of Lescol Depot/Lescol Depot XL and colchicine. No information is available on the pharmacokinetic interaction between Lescol Depot/Lescol Depot XL and colchicine.
Uncomplicated myalgia has also been reported in Lescol Depot-treated patients. In clinical trials, uncomplicated myalgia has been observed infrequently in patients treated with Lescol Depot at rates indistinguishable from placebo. Myopathy, defined as muscle aching or muscle weakness in conjunction with increases in CPK values to greater than 10 times the upper limit of normal, was < 0.1% in fluvastatin clinical trials. Myopathy should be considered in any patient with diffuse myalgias, muscle tenderness or weakness, and/or marked elevation of CPK. Patients should be advised to report promptly unexplained muscle pain, tenderness or weakness, particularly if accompanied by malaise or fever.
Lescol Depot/Lescol Depot XL therapy should be discontinued if markedly elevated CPK levels occur or myopathy is diagnosed or suspected. Lescol Depot/Lescol Depot XL therapy should also be temporarily withheld in any patient experiencing an acute or serious condition predisposing to the development of renal failure secondary to rhabdomyolysis, e.g., sepsis; hypotension; major surgery; trauma; severe metabolic, endocrine, or electrolyte disorders; or uncontrolled epilepsy.
Increases in serum transaminases (aspartate aminotransferase [AST]/serum glutamic-oxaloacetic transaminase, or alanine aminotransferase [ALT]/serum glutamic-pyruvic transaminase) have been reported with HMG-CoA reductase inhibitors, including Lescol Depot/Lescol Depot XL. In most cases, the elevations were transient and resolved or improved on continued therapy or after a brief interruption in therapy.
Approximately 1.1% of patients treated with Lescol Depot capsules in worldwide trials developed dose-related, persistent elevations of serum transaminase levels to more than 3 times the upper limit of normal. Fourteen of these patients (0.6%) were discontinued from therapy. In all clinical trials, a total of 33/2969 patients (1.1%) had persistent transaminase elevations with an average Lescol Depot exposure of approximately 71.2 weeks; 19 of these patients (0.6%) were discontinued. The majority of patients with these abnormal biochemical findings were asymptomatic.
In a pooled analysis of all placebo-controlled studies in which Lescol Depot capsules were used, persistent transaminase elevations ( > 3 times the upper limit of normal [ULN] on two consecutive weekly measurements) occurred in 0.2%, 1.5%, and 2.7% of patients treated with daily doses of 20, 40, and 80 mg (titrated to 40 mg twice daily) Lescol Depot capsules, respectively. Ninety-one percent of the cases of persistent liver function test abnormalities (20 of 22 patients) occurred within 12 weeks of therapy and in all patients with persistent liver function test abnormalities there was an abnormal liver function test present at baseline or by Week 8.
In the pooled analysis of the 24-week controlled trials, persistent transaminase elevation occurred in 1.9%, 1.8% and 4.9% of patients treated with Lescol Depot XL 80 mg, Lescol Depot 40 mg and Lescol Depot 40 mg twice daily, respectively. In 13 of 16 patients treated with Lescol Depot XL the abnormality occurred within 12 weeks of initiation of treatment with Lescol Depot XL 80 mg.
It is recommended that liver enzyme tests be performed prior to the initiation of Lescol Depot/Lescol Depot XL, and if signs or symptoms of liver injury occur.
There have been rare postmarketing reports of fatal and non-fatal hepatic failure in patients taking statins, including fluvastatin. If serious liver injury with clinical symptoms and/or hyperbilirubinemia or jaundice occurs during treatment with Lescol Depot/Lescol Depot XL, promptly interrupt therapy. If an alternate etiology is not found do not restart Lescol Depot/Lescol Depot XL.
In very rare cases, possibly drug-related hepatitis was observed that resolved upon discontinuation of treatment.1 Active liver disease or unexplained serum transaminase elevations are contraindications to the use of Lescol Depot and Lescol Depot XL. Such patients should be closely monitored.
Increases in HbA1c and fasting serum glucose levels have been reported with HMG-CoA reductase inhibitors, including Lescol Depot/Lescol Depot XL.
Statins interfere with cholesterol synthesis and lower circulating cholesterol levels and, as such, might theoretically blunt adrenal or gonadal steroid hormone production.
Lescol Depot/Lescol Depot XL exhibited no effect upon non-stimulated cortisol levels and demonstrated no effect upon thyroid metabolism as assessed by measurement of thyroid stimulating hormone (TSH). Small declines in total serum testosterone have been noted in treated groups, but no commensurate elevation in LH occurred, suggesting that the observation was not due to a direct effect upon testosterone production. No effect upon FSH in males was noted. Due to the limited number of premenopausal females studied to date, no conclusions regarding the effect of Lescol Depot/Lescol Depot XL upon female sex hormones may be made.
Two clinical studies in patients receiving fluvastatin at doses up to 80 mg daily for periods of 24 to 28 weeks demonstrated no effect of treatment upon the adrenal response to ACTH stimulation. A clinical study evaluated the effect of Lescol Depot at doses up to 80 mg daily for 28 weeks upon the gonadal response to HCG stimulation. Although the mean total testosterone response was significantly reduced (p < 0.05) relative to baseline in the 80 mg group, it was not significant in comparison to the changes noted in groups receiving either 40 mg of Lescol Depot or placebo.
Patients treated with Lescol Depot/Lescol Depot XL who develop clinical evidence of endocrine dysfunction should be evaluated appropriately. Caution should be exercised if a statin or other agent used to lower cholesterol levels is administered to patients receiving other drugs (e.g. ketoconazole, spironolactone, cimetidine) that may decrease the levels of endogenous steroid hormones.
CNS effects, as evidenced by decreased activity, ataxia, loss of righting reflex, and ptosis were seen in the following animal studies: the 18-month mouse carcinogenicity study at 50 mg/kg/day, the 6-month dog study at 36 mg/kg/day, the 6-month hamster study at 40 mg/kg/day, and in acute, high-dose studies in rats and hamsters (50 mg/kg), rabbits (300 mg/kg) and mice (1500 mg/kg). CNS toxicity in the acute high-dose studies was characterized (in mice) by conspicuous vacuolation in the ventral white columns of the spinal cord at a dose of 5000 mg/kg and (in rats) by edema with separation of myelinated fibers of the ventral spinal tracts and sciatic nerve at a dose of 1500 mg/kg. CNS toxicity, characterized by periaxonal vacuolation, was observed in the medulla of dogs that died after treatment for 5 weeks with 48 mg/kg/day; this finding was not observed in the remaining dogs when the dose level was lowered to 36 mg/kg/day. CNS vascular lesions, characterized by perivascular hemorrhages, edema, and mononuclear cell infiltration of perivascular spaces, have been observed in dogs treated with other members of this drug class. No CNS lesions have been observed after chronic treatment for up to 2 years with fluvastatin in the mouse (at doses up to 350 mg/kg/day), rat (up to 24 mg/kg/day), or dog (up to 16 mg/kg/day).
Prominent bilateral posterior Y suture lines in the ocular lens were seen in dogs after treatment with 1, 8, and 16 mg/kg/day for 2 years.
Patient Counseling Information
Information For Patients
Patients taking Lescol Depot/Lescol Depot XL should be advised that high cholesterol is a chronic condition and they should adhere to their medication along with their National Cholesterol Education Program (NCEP)-recommended diet, a regular exercise program, and periodic testing of a fasting lipid panel to determine goal attainment.
Patients should be advised about substances they should not take concomitantly with Lescol Depot/Lescol Depot XL. Patients should also be advised to inform other healthcare professionals prescribing a new medication that they are taking Lescol Depot/Lescol Depot XL.
Patients starting therapy with Lescol Depot/Lescol Depot XL should be advised of the risk of myopathy and told to report promptly any unexplained muscle pain, tenderness or weakness, particularly if accompanied by malaise or fever.
It is recommended that liver enzyme tests be performed before the initiation of Lescol Depot/Lescol Depot XL and if signs or symptoms of liver injury occur. All patients treated with Lescol Depot/Lescol Depot XL should be advised to report promptly any symptoms that may indicate liver injury, including fatigue, anorexia, right upper abdominal discomfort, dark urine or jaundice.
Women of childbearing age should be advised to use an effective method of birth control to prevent pregnancy while using Lescol Depot/Lescol Depot XL. Discuss future pregnancy plans with your patients, and discuss when to stop taking Lescol Depot/Lescol Depot XL if they are trying to conceive. Patients should be advised that if they become pregnant they should stop taking Lescol Depot/Lescol Depot XL and call their healthcare professional.
Women who are breastfeeding should not use Lescol Depot/Lescol Depot XL. Patients who have a lipid disorder and are breastfeeding should be advised to discuss the options with their healthcare professional.
Carcinogenesis, Mutagenesis, Impairment of Fertility
A 2-year study was performed in rats at dose levels of 6, 9, and 18-24 (escalated after 1 year) mg/kg/day. These treatment levels represented plasma drug levels of approximately 9, 13, and 26-35 times the mean human plasma drug concentration after a 40 mg oral dose. A low incidence of forestomach squamous papillomas and 1 carcinoma of the forestomach at the 24 mg/kg/day dose level was considered to reflect the prolonged hyperplasia induced by direct contact exposure to fluvastatin sodium rather than to a systemic effect of the drug. In addition, an increased incidence of thyroid follicular cell adenomas and carcinomas was recorded for males treated with 18-24 mg/kg/day. The increased incidence of thyroid follicular cell neoplasm in male rats with fluvastatin sodium appears to be consistent with findings from other HMG-CoA reductase inhibitors. In contrast to other HMG-CoA reductase inhibitors, no hepatic adenomas or carcinomas were observed.
The carcinogenicity study conducted in mice at dose levels of 0.3, 15 and 30 mg/kg/day revealed, as in rats, a statistically significant increase in forestomach squamous cell papillomas in males and females at 30 mg/kg/day and in females at 15 mg/kg/day. These treatment levels represented plasma drug levels of approximately 0.05, 2, and 7 times the mean human plasma drug concentration after a 40 mg oral dose.
No evidence of mutagenicity was observed in vitro, with or without rat-liver metabolic activation, in the following studies: microbial mutagen tests using mutant strains of Salmonella typhimurium or Escherichia coli; malignant transformation assay in BALB/3T3 cells; unscheduled DNA synthesis in rat primary hepatocytes; chromosomal aberrations in V79 Chinese Hamster cells; HGPRT V79 Chinese Hamster cells. In addition, there was no evidence of mutagenicity in vivo in either a rat or mouse micronucleus test.
In a study in rats at dose levels for females of 0.6, 2 and 6 mg/kg/day and at dose levels for males of 2, 10 and 20 mg/kg/day, fluvastatin sodium had no adverse effects on the fertility or reproductive performance.
Seminal vesicles and testes were small in hamsters treated for 3 months at 20 mg/kg/day (approximately three times the 40 mg human daily dose based on surface area, mg/m²). There was tubular degeneration and aspermatogenesis in testes as well as vesiculitis of seminal vesicles. Vesiculitis of seminal vesicles and edema of the testes were also seen in rats treated for 2 years at 18 mg/kg/day (approximately 4 times the human Cmax achieved with a 40 mg daily dose).
Fluvastatin sodium produced delays in skeletal development in rats at doses of 12 mg/kg/day and in rabbits at doses of 10 mg/kg/day. Malaligned thoracic vertebrae were seen in rats at 36 mg/kg, a dose that produced maternal toxicity. These doses resulted in 2 times (rat at 12 mg/kg) or 5 times (rabbit at 10 mg/kg) the 40 mg human exposure based on mg/m2 surface area. A study in which female rats were dosed during the third trimester at 12 and 24 mg/kg/day resulted in maternal mortality at or near term and postpartum. In addition, fetal and neonatal lethality were apparent. No effects on the dam or fetus occurred at 2 mg/kg/day. A second study at levels of 2, 6, 12 and 24 mg/kg/day confirmed the findings in the first study with neonatal mortality beginning at 6 mg/kg. A modified Segment III study was performed at dose levels of 12 or 24 mg/kg/day with or without the presence of concurrent supplementation with mevalonic acid, a product of HMG-CoA reductase which is essential for cholesterol biosynthesis. The concurrent administration of mevalonic acid completely prevented the maternal and neonatal mortality but did not prevent low body weights in pups at 24 mg/kg on days 0 and 7 postpartum.
Use In Specific Populations
Pregnancy Category X
Lescol Depot/Lescol Depot XL is contraindicated in women who are or may become pregnant.
Lipid lowering drugs are contraindicated during pregnancy, because cholesterol and cholesterol derivatives are needed for normal fetal development. Serum cholesterol and triglycerides increase during normal pregnancy. Atherosclerosis is a chronic process, and discontinuation of lipid-lowering drugs during pregnancy should have little impact on long-term outcomes of primary hypercholesterolemia therapy
There are no adequate and well-controlled studies of use with Lescol Depot/Lescol Depot XL during pregnancy. Rare reports of congenital anomalies have been received following intrauterine exposure to other statins. In a review2 of about 100 prospectively followed pregnancies in women exposed to other statins, the incidences of congenital anomalies, spontaneous abortions, and fetal deaths/stillbirths did not exceed the rate expected in the general population. The number of cases is adequate only to exclude a 3-to 4-fold increase in congenital anomalies over background incidence. In 89% of prospectively followed pregnancies, drug treatment was initiated prior to pregnancy and was discontinued at some point in the first trimester when pregnancy was identified.
Teratology studies with fluvastatin in rats and rabbits showed maternal toxicity at high dose levels, but there was no evidence of embryotoxic or teratogenic potential.
Lescol Depot or Lescol Depot XL should be administered to women of child-bearing potential only when such patients are highly unlikely to conceive and have been informed of the potential hazards. If a woman becomes pregnant while taking Lescol Depot or Lescol Depot XL, the drug should be discontinued and the patient advised again as to the potential hazards to the fetus.
Based on animal data, fluvastatin is present in breast milk in a 2:1 ratio (milk:plasma). Because of the potential for serious adverse reactions in nursing infants, nursing women should not take Lescol Depot or Lescol Depot XL.
The safety and efficacy of Lescol Depot and Lescol Depot XL in children and adolescent patients 9-16 years of age with heterozygous familial hypercholesterolemia have been evaluated in open-label, uncontrolled clinical trials for a duration of two years. The most common adverse events observed were influenza and infections. In these limited uncontrolled studies, there was no detectable effect on growth or sexual maturation in the adolescent boys or on menstrual cycle length in girls. Adolescent females should be counseled on appropriate contraceptive methods while on Lescol Depot therapy.
Fluvastatin exposures were not significantly different between the nonelderly and elderly populations (age ≥ 65 years). Since advanced age ( > 65 years) is a predisposing factor for myopathy, Lescol Depot/Lescol Depot XL should be prescribed with caution in the elderly.
Lescol Depot and Lescol Depot XL are contraindicated in patients with active liver disease or unexplained, persistent elevations in serum transaminases.
Dose adjustments for mild to moderate renal impairment are not necessary. Fluvastatin has not been studied at doses greater than 40 mg in patients with severe renal impairment; therefore caution should be exercised when treating such patients at higher doses.
1. National Cholesterol Education Program (NCEP): Highlights of the Report of the Expert Panel on Blood Cholesterol Levels in Children and Adolescents. Pediatrics. 89(3):495-501.1992.
2. Manson, J.M., Freyssinges, C., Ducrocq, M.B., Stephenson, W.P., Postmarketing Surveillance of Lovastatin and Simvastatin Exposure During Pregnancy, Reproductive Toxicology, 10(6): 439-446, 1996.
The following serious adverse reactions are discussed in greater detail in other sections of the label:
- Rhabdomyolysis with myoglobinuria and acute renal failure and myopathy (including myositis).
- Liver Enzyme Abnormalities.
Clinical Studies Experience in Adult Patients
Because clinical studies on Lescol Depot/Lescol Depot XL are conducted in varying study populations and study designs, the frequency of adverse reactions observed in the clinical studies of Lescol Depot/Lescol Depot XL cannot be directly compared with that in the clinical studies of other statins and may not reflect the frequency of adverse reactions observed in clinical practice.
In the Lescol Depot placebo-controlled clinical trials database of 2326 patients treated with Lescol Depot1 (age range 18-75 years, 44% women, 94% Caucasians, 4% Blacks, 2% other ethnicities) with a median treatment duration of 24 weeks, 3.4% of patients on Lescol Depot and 2.3% patients on placebo discontinued due to adverse reactions regardless of causality. The most common adverse reactions that led to treatment discontinuation and occurred at an incidence greater than placebo were: transaminase increased (0.8%), upper abdominal pain (0.3%), dyspepsia (0.3%), fatigue (0.2%) and diarrhea (0.2%).
In the Lescol Depot XL database of controlled clinical trials of 912 patients treated with Lescol Depot XL (age range 21-87 years, 52% women, 91% Caucasians, 4% Blacks, 5% other ethnicities) with a median treatment duration of 24 weeks, 3.9% of patients on Lescol Depot XL discontinued due to adverse reactions regardless of causality. The most common adverse reactions that led to treatment discontinuation were abdominal pain (0.7%), diarrhea (0.5%), nausea (0.4%), dyspepsia (0.4%) and chest pain (0.3%).
Clinically relevant adverse experiences occurring in the Lescol Depot and Lescol Depot XL controlled studies with a frequency > 2%, regardless of causality, included the following:
Table 1 : Clinical adverse events reported in > 2% in patients treated with Lescol Depot/Lescol Depot XL and at an incidence greater than placebo in placebo-controlled trials regardless of causality (% of patients) Pooled Dosages
|Lescol Depot1 |
| Placebo1 |
|Lescol Depot XL2 |
|Genitourinary||Urinary tract infection||1.6||1.1||2.7|
|1Controlled trials with Lescol Depot Capsules (20 and 40 mg daily and 40 mg twice daily) compared to placebo |
2Controlled trials with Lescol Depot XL 80 mg Tablets as compared to Lescol Depot Capsules
Lescol Depot Intervention Prevention Study
In the Lescol Depot Intervention Prevention Study (LIPS), the effect of Lescol Depot 40 mg, administered twice daily on the risk of recurrent cardiac events was assessed in 1677 patients with CHD who had undergone a percutaneous coronary intervention (PCI) procedure. This was a multicenter, randomized, double-blind, placebo-controlled study, patients were treated with dietary/lifestyle counseling and either Lescol Depot 40 mg (n=844) or placebo (n=833) given twice daily for a median of 3.9 years.
Table 2 : Clinical adverse events reported in ≥ 2% in patients treated with Lescol Depot/Lescol Depot XL and at an incidence greater than placebo in the LIPS Trial regardless of causality (% of patients)
|Lescol Depot 40 mg b.i.d |
|Cardiac disorders||Atrial fibrillation||2.4||2.0|
|Gastrointestinal disorders||Abdominal pain upper||6.3||4.5|
|Infections and infestations||Bronchitis||2.3||2.0|
|Musculoskeletal and connective tissue disorders||Arthralgia||2.1||1.8|
|Pain in extremity||4.1||2.7|
|Nervous system disorders||Dizziness||3.9||3.5|
|Respiratory disorders||Dyspnea exertional||2.8||2.4|
Clinical Studies Experience in Pediatric Patients
In patients aged < 18 years, efficacy and safety have not been studied for treatment periods longer than two years.
In two open-label, uncontrolled studies, 66 boys and 48 girls with heterozygous familial hypercholesterolemia ( 9-16 years of age, 80% Caucasian, 19% Other [ mixed ethnicity], 1% Asians) were treated with fluvastatin sodium administered as Lescol Depot capsules 20 mg -40 mg twice daily, or Lescol Depot XL 80 mg extended-release tablet.
Because adverse reactions from spontaneous reports are reported voluntarily from a population of uncertain size, it is generally not possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The following effects have been reported with drugs in this class. Not all the effects listed below have necessarily been associated with fluvastatin sodium therapy.
Musculoskeletal: muscle cramps, myalgia, myopathy, rhabdomyolysis, arthralgias, muscle spasms, muscle weakness, myositis.
Neurological: dysfunction of certain cranial nerves (including alteration of taste, impairment of extra-ocular movement, facial paresis), tremor, dizziness, vertigo, paresthesia, hypoesthesia, dysesthesia, peripheral neuropathy, peripheral nerve palsy.
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).
Psychiatric: anxiety, insomnia, depression, psychic disturbances
Hypersensitivity Reactions: An apparent hypersensitivity syndrome has been reported rarely which has included one or more of the following features: anaphylaxis, angioedema, lupus erythematosus-like syndrome, polymyalgia rheumatica, vasculitis, purpura, thrombocytopenia, leukopenia, hemolytic anemia, positive ANA, ESR (erythrocyte sedimentation rate) increase, eosinophilia, arthritis, arthralgia, urticaria, asthenia, photosensitivity reaction, fever, chills, flushing, malaise, dyspnea, toxic epidermal necrolysis, erythema multiforme, including Stevens-Johnson syndrome.
Gastrointestinal: pancreatitis, hepatitis, including chronic active hepatitis, cholestatic jaundice, fatty change in liver, cirrhosis, fulminant hepatic necrosis, hepatoma, anorexia, vomiting, fatal and non-fatal hepatic failure.
Skin: rash, dermatitis, including bullous dermatitis, eczema, alopecia, pruritus, a variety of skin changes (e.g. nodules, discoloration, dryness of skin/mucous membranes, changes to hair/nails).
Reproductive: gynecomastia, loss of libido, erectile dysfunction.
Eye: progression of cataracts (lens opacities), ophthalmoplegia.
Laboratory abnormalities: elevated transaminases, alkaline phosphatase, gamma-glutamyl transpeptidase and bilirubin; thyroid function abnormalities.
To date, there has been limited experience with overdosage of fluvastatin. If an overdose occurs, it should be treated symptomatically with laboratory monitoring and supportive measures should be instituted as required. The dialyzability of fluvastatin sodium and of its metabolites in humans is not known at present.
In the pediatric population, there have been reports of overdosage with fluvastatin sodium in children including a 2 year-old and the other 3 years of age, either of whom may have possibly ingested fluvastatin sodium. The maximum amount of fluvastatin sodium that could have been ingested was 80 mg (4 x 20 mg capsules). Vomiting was induced by ipecac in both children and no capsules were noted in their emesis. Neither child experienced any adverse symptoms and both recovered from the incident without problems.
In the postmarketing experience there have been reports of accidental ingestion of Lescol Depot tablets in infants up to 3 years of age. In one case, increased serum CPK values were noted. There have been reports of intentional overdose in adolescents with the development of hepatic enzyme elevations, convulsions and gastroenteritis/vomiting/diarrhea. One case of intentional overdose as suicide attempt in a 15 year-old female reported ingestion of 2,800 mg Lescol Depot XL with hepatic enzyme elevation.
Following oral administration of the capsule, fluvastatin reaches peak concentrations in less than 1 hour. The absolute bioavailability is 24% (range 9%-50%) after administration of a 10 mg dose.
At steady state, administration of fluvastatin with the evening meal results in a 50% decrease in Cmax, a 11% decrease in AUC, and a more than two-fold increase in tmax as compared to administration 4 hours after the evening meal. No significant differences in the lipid-lowering effects were observed between the two administrations. After single or multiple doses above 20 mg, fluvastatin exhibits saturable first-pass metabolism resulting in more than dose proportional plasma fluvastatin concentrations.
Fluvastatin administered as Lescol Depot XL 80 mg tablets reaches peak concentration in approximately 3 hours under fasting conditions, after a low-fat meal, or 2.5 hours after a low-fat meal. The mean relative bioavailability of the XL tablet is approximately 29% (range: 9%-66%) compared to that of the Lescol Depot immediate-release capsule administered under fasting conditions. Administration of a high-fat meal delayed the absorption (Tmax: 6h) and increased the bioavailability of the XL tablet by approximately 50%. However, the maximum concentration of Lescol Depot XL seen after a high-fat meal is less than the peak concentration following a single dose or twice daily dose of the 40 mg Lescol Depot capsule.
Fluvastatin is 98% bound to plasma proteins. The mean volume of distribution (VDss) is estimated at 0.35 L/kg. At therapeutic concentrations, the protein binding of fluvastatin is not affected by warfarin, salicylic acid and glyburide.
Fluvastatin is metabolized in the liver, primarily via hydroxylation of the indole ring at the 5-and 6-positions. N-dealkylation and beta-oxidation of the side-chain also occurs. The hydroxy metabolites have some pharmacologic activity, but do not circulate in the blood. Fluvastatin has two enantiomers. Both enantiomers of fluvastatin are metabolized in a similar manner.
In vitro data indicate that fluvastatin metabolism involves multiple Cytochrome P450 (CYP) isozymes. CYP2C9 isoenzyme is primarily involved in the metabolism of fluvastatin (approximately 75%), while CYP2C8 and CYP3A4 isoenzymes are involved to a much less extent, i.e. approximately 5% and approximately 20%, respectively.
Following oral administration, fluvastatin is primarily (about 90%) excreted in the feces as metabolites, with less than 2% present as unchanged drug. Approximately 5% of a radiolabeled oral dose were recovered in urine. The elimination half-life (t½) of fluvastatin is approximately 3 hours.
However, we will provide data for each active ingredient