Actos
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Questions & Answers
Side Effects & Adverse Reactions
ACTOS, like other thiazolidinediones, can cause fluid retention when used alone or in combination with other antidiabetic agents, including insulin. Fluid retention may lead to or exacerbate heart failure. Patients should be observed for signs and symptoms of heart failure. If these signs and symptoms develop, the heart failure should be managed according to current standards of care. Furthermore, discontinuation or dose reduction of ACTOS must be considered (see BOXED WARNING). Patients with NYHA Class III and IV cardiac status were not studied during pre-approval clinical trials and ACTOS is not recommended in these patients (see BOXED WARNING and CONTRAINDICATIONS).
In one 16-week, U.S. double-blind, placebo-controlled clinical trial involving 566 patients with type 2 diabetes, ACTOS at doses of 15 mg and 30 mg in combination with insulin was compared to insulin therapy alone. This trial included patients with long-standing diabetes and a high prevalence of pre-existing medical conditions as follows: arterial hypertension (57.2%), peripheral neuropathy (22.6%), coronary heart disease (19.6%), retinopathy (13.1%), myocardial infarction (8.8%), vascular disease (6.4%), angina pectoris (4.4%), stroke and/or transient ischemic attack (4.1%), and congestive heart failure (2.3%).
In this study, two of the 191 patients receiving 15 mg ACTOS plus insulin (1.1%) and two of the 188 patients receiving 30 mg ACTOS plus insulin (1.1%) developed congestive heart failure compared with none of the 187 patients on insulin therapy alone. All four of these patients had previous histories of cardiovascular conditions including coronary artery disease, previous CABG procedures, and myocardial infarction. In a 24-week, dose-controlled study in which ACTOS was coadministered with insulin, 0.3% of patients (1/345) on 30 mg and 0.9% (3/345) of patients on 45 mg reported CHF as a serious adverse event.
Analysis of data from these studies did not identify specific factors that predict increased risk of congestive heart failure on combination therapy with insulin.
A 24-week post-marketing safety study was performed to compare ACTOS (n=262) to glyburide (n=256) in uncontrolled diabetic patients (mean HbA1c 8.8% at baseline) with NYHA Class II and III heart failure and ejection fraction less than 40% (mean EF 30% at baseline). Over the course of the study, overnight hospitalization for congestive heart failure was reported in 9.9% of patients on ACTOS compared to 4.7% of patients on glyburide with a treatment difference observed from 6 weeks. This adverse event associated with ACTOS was more marked in patients using insulin at baseline and in patients over 64 years of age. No difference in cardiovascular mortality between the treatment groups was observed.
ACTOS should be initiated at the lowest approved dose if it is prescribed for patients with type 2 diabetes and systolic heart failure (NYHA Class II). If subsequent dose escalation is necessary, the dose should be increased gradually only after several months of treatment with careful monitoring for weight gain, edema, or signs and symptoms of CHF exacerbation.
In PROactive, 5238 patients with type 2 diabetes and a prior history of macrovascular disease were treated with ACTOS (n=2605), force-titrated up to 45 mg once daily, or placebo (n=2633) (see ADVERSE REACTIONS). The percentage of patients who had an event of serious heart failure was higher for patients treated with ACTOS (5.7%, n=149) than for patients treated with placebo (4.1%, n=108). The incidence of death subsequent to a report of serious heart failure was 1.5% (n=40) in patients treated with ACTOS and 1.4% (n=37) in placebo-treated patients. In patients treated with an insulin-containing regimen at baseline, the incidence of serious heart failure was 6.3% (n=54/864) with ACTOS and 5.2% (n=47/896) with placebo. For those patients treated with a sulfonylurea-containing regimen at baseline, the incidence of serious heart failure was 5.8% (n=94/1624) with ACTOS and 4.4% (n=71/1626) with placebo.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
ACTOS is indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.
History
There is currently no drug history available for this drug.
Other Information
ACTOS (pioglitazone hydrochloride) is an oral antidiabetic agent that acts primarily by decreasing insulin resistance. ACTOS is used in the management of type 2 diabetes mellitus (also known as non-insulin-dependent diabetes mellitus [NIDDM] or adult-onset diabetes). Pharmacological studies indicate that ACTOS improves sensitivity to insulin in muscle and adipose tissue and inhibits hepatic gluconeogenesis. ACTOS improves glycemic control while reducing circulating insulin levels.
Pioglitazone [(±)-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-2,4-] thiazolidinedione monohydrochloride belongs to a different chemical class and has a different pharmacological action than the sulfonylureas, metformin, or the α-glucosidase inhibitors. The molecule contains one asymmetric carbon, and the compound is synthesized and used as the racemic mixture. The two enantiomers of pioglitazone interconvert in vivo. No differences were found in the pharmacologic activity between the two enantiomers. The structural formula is as shown:
Pioglitazone hydrochloride is an odorless white crystalline powder that has a molecular formula of C19H20N2O3S•HCl and a molecular weight of 392.90 daltons. It is soluble in N,N-dimethylformamide, slightly soluble in anhydrous ethanol, very slightly soluble in acetone and acetonitrile, practically insoluble in water, and insoluble in ether.
ACTOS is available as a tablet for oral administration containing 15 mg, 30 mg, or 45 mg of pioglitazone (as the base) formulated with the following excipients: lactose monohydrate NF, hydroxypropylcellulose NF, carboxymethylcellulose calcium NF, and magnesium stearate NF.
Sources
Actos Manufacturers
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Rebel Distributors Corp.
![Actos (Pioglitazone Hydrochloride) Tablet [Rebel Distributors Corp.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Actos | Rebel Distributors Corp.
ACTOS should be taken once daily without regard to meals.
The management of antidiabetic therapy should be individualized. Ideally, the response to therapy should be evaluated using HbA1c which is a better indicator of long-term glycemic control than FPG alone. HbA1c reflects glycemia over the past two to three months. In clinical use, it is recommended that patients be treated with ACTOS for a period of time adequate to evaluate change in HbA1c (three months) unless glycemic control deteriorates. After initiation of ACTOS or with dose increase, patients should be carefully monitored for adverse events related to fluid retention (see BOXED WARNING and WARNINGS).
MonotherapyACTOS monotherapy in patients not adequately controlled with diet and exercise may be initiated at 15 mg or 30 mg once daily. For patients who respond inadequately to the initial dose of ACTOS, the dose can be increased in increments up to 45 mg once daily. For patients not responding adequately to monotherapy, combination therapy should be considered.
Combination TherapySulfonylureas: ACTOS in combination with a sulfonylurea may be initiated at 15 mg or 30 mg once daily. The current sulfonylurea dose can be continued upon initiation of ACTOS therapy. If patients report hypoglycemia, the dose of the sulfonylurea should be decreased.
Metformin: ACTOS in combination with metformin may be initiated at 15 mg or 30 mg once daily. The current metformin dose can be continued upon initiation of ACTOS therapy. It is unlikely that the dose of metformin will require adjustment due to hypoglycemia during combination therapy with ACTOS.
Insulin: ACTOS in combination with insulin may be initiated at 15 mg or 30 mg once daily. The current insulin dose can be continued upon initiation of ACTOS therapy. In patients receiving ACTOS and insulin, the insulin dose can be decreased by 10% to 25% if the patient reports hypoglycemia or if plasma glucose concentrations decrease to less than 100 mg/dL. Further adjustments should be individualized based on glucose-lowering response.
Maximum Recommended DoseThe dose of ACTOS should not exceed 45 mg once daily in monotherapy or in combination with sulfonylurea, metformin, or insulin.
Dose adjustment in patients with renal insufficiency is not recommended (see CLINICAL PHARMACOLOGY, Pharmacokinetics and Drug Metabolism).
Therapy with ACTOS should not be initiated if the patient exhibits clinical evidence of active liver disease or increased serum transaminase levels (ALT greater than 2.5 times the upper limit of normal) at start of therapy (see PRECAUTIONS, General, Hepatic Effects and CLINICAL PHARMACOLOGY, Special Populations, Hepatic Insufficiency). Liver enzyme monitoring is recommended in all patients prior to initiation of therapy with ACTOS and periodically thereafter (see PRECAUTIONS, General, Hepatic Effects).
There are no data on the use of ACTOS in patients under 18 years of age; therefore, use of ACTOS in pediatric patients is not recommended.
No data are available on the use of ACTOS in combination with another thiazolidinedione.
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Dispensing Solutions, Inc.
Actos | Dispensing Solutions, Inc.
2.1 Recommendations for all patientsACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.2)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
2.2 Concomitant use with an insulin secretagogue or insulinIf hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
2.3 Coadministration with strong CYP2C8 inhibitorsCoadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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Lake Erie Medical & Surgical Supply Dba Quality Care Products Llc
Actos | Lake Erie Medical & Surgical Supply Dba Quality Care Products Llc
2.1 Recommendations for all patientsACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.2)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
2.2 Concomitant use with an insulin secretagogue or insulinIf hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
2.3 Coadministration with strong CYP2C8 inhibitorsCoadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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Physicians Total Care, Inc.
Actos | Physicians Total Care, Inc.
2.1 Recommendations for all patientsACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.2)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
2.2 Concomitant use with an insulin secretagogue or insulinIf hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
2.3 Coadministration with strong CYP2C8 inhibitorsCoadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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Remedyrepack Inc.
Actos | Remedyrepack Inc.
•Initiate ACTOS at 15 mg or 30 mg once daily. Limit initial dose to 15 mg once daily in patients with NYHA Class I or II heart failure. (
2.1
)•If there is inadequate glycemic control, the dose can be increased in 15 mg increments up to a maximum of 45 mg once daily. (
2.1
)•The maximum recommended dose of ACTOS is 15 mg once daily in patients taking strong CYP2C8 inhibitors (e.g., gemfibrozil). (
2.3
,
7.1
)•Obtain liver tests before starting ACTOS. If abnormal, use caution when treating with ACTOS, investigate the probable cause, treat (if possible) and follow appropriately. Monitoring liver tests while on ACTOS is not recommended in patients without liver disease. (
5.3
)
ACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.2)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
If hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
Coadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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Cardinal Health
Actos | Cardinal Health
2.1 Recommendations for all patientsACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.2)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
2.2 Concomitant use with an insulin secretagogue or insulinIf hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
2.3 Coadministration with strong CYP2C8 inhibitorsCoadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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Takeda Pharmaceuticals America, Inc.
Actos | Takeda Pharmaceuticals America, Inc.
2.1 Recommendations for All PatientsACTOS should be taken once daily and can be taken without regard to meals.
The recommended starting dose for patients without congestive heart failure is 15 mg or 30 mg once daily.
The recommended starting dose for patients with congestive heart failure (NYHA Class I or II) is 15 mg once daily.
The dose can be titrated in increments of 15 mg up to a maximum of 45 mg once daily based on glycemic response as determined by HbA1c.
After initiation of ACTOS or with dose increase, monitor patients carefully for adverse reactions related to fluid retention such as weight gain, edema, and signs and symptoms of congestive heart failure [see Boxed Warning and Warnings and Precautions (5.5)].
Liver tests (serum alanine and aspartate aminotransferases, alkaline phosphatase, and total bilirubin) should be obtained prior to initiating ACTOS. Routine periodic monitoring of liver tests during treatment with ACTOS is not recommended in patients without liver disease. Patients who have liver test abnormalities prior to initiation of ACTOS or who are found to have abnormal liver tests while taking ACTOS should be managed as described under Warnings and Precautions [see Warnings and Precautions (5.3) and Clinical Pharmacology (12.3)].
2.2 Concomitant Use with an Insulin Secretagogue or InsulinIf hypoglycemia occurs in a patient co-administered ACTOS and an insulin secretagogue (e.g., sulfonylurea), the dose of the insulin secretagogue should be reduced.
If hypoglycemia occurs in a patient co-administered ACTOS and insulin, the dose of insulin should be decreased by 10% to 25%. Further adjustments to the insulin dose should be individualized based on glycemic response.
2.3 Concomitant Use with Strong CYP2C8 InhibitorsCoadministration of ACTOS and gemfibrozil, a strong CYP2C8 inhibitor, increases pioglitazone exposure approximately 3-fold. Therefore, the maximum recommended dose of ACTOS is 15 mg daily when used in combination with gemfibrozil or other strong CYP2C8 inhibitors [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
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