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Nateglinide - Medication Information

Product NDC Code 75834-205
Drug Name

Nateglinide

Type Generic
Pharm Class Glinide [EPC],
Potassium Channel Antagonists [MoA]
Active Ingredients
Nateglinide 60 mg/1
Route ORAL
Dosage Form TABLET, COATED
RxCUI drug identifier 311919,
314142
Application Number ANDA206432
Labeler Name Nivagen Pharmaceuticals, Inc.
Packages
Package NDC Code Description
75834-205-01 100 tablet, coated in 1 bottle (75834-205-01)
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Overdosage of NATEGLINIDE

Information about signs, symptoms, and laboratory findings of acute ovedosage and the general principles of overdose treatment.
10 OVERDOSAGE There have been no instances of overdose with nateglinide in clinical trials. However, an overdose may result in an exaggerated glucose-lowering effect with the development of hypoglycemic symptoms. Hypoglycemic symptoms without loss of consciousness or neurological findings should be treated with oral glucose and adjustments in dosage and/or meal patterns. Severe hypoglycemic reactions with coma, seizure, or other neurological symptoms should be treated with intravenous glucose. As nateglinide are highly protein bound, dialysis is not an efficient means of removing it from the blood.

Adverse reactions

Information about undesirable effects, reasonably associated with use of the drug, that may occur as part of the pharmacological action of the drug or may be unpredictable in its occurrence. Adverse reactions include those that occur with the drug, and if applicable, with drugs in the same pharmacologically active and chemically related class. There is considerable variation in the listing of adverse reactions. They may be categorized by organ system, by severity of reaction, by frequency, by toxicological mechanism, or by a combination of these.
6 ADVERSE REACTIONS The following serious adverse reaction is also described elsewhere in the labeling: Hypoglycemia [see Warnings and Precautions (5. 1) ] 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. In clinical trials, approximately 2,600 patients with type 2 diabetes mellitus were treated with nateglinide. Of these, approximately 1,335 patients were treated for 6 months or longer and approximately 190 patients for one year or longer. Table 1 shows the most common adverse reactions associated with nateglinide. Table 1: Adverse Reactions other than Hypoglycemia (%) occurring Greater than or Equal to 2% in Nateglinide -Treated Patients from Pool of 12 to 64 week Placebo Controlled Trials Placebo N=458 Nateglinide N=1,441 Preferred Term Upper Respiratory Infection 8.1 10.5 Back Pain 3.7 4.0 Flu Symptoms 2.6 3.6 Dizziness 2.2 3.6 Arthropathy 2.2 3.3 Diarrhea 3.1 3.2 Accidental Trauma 1.7 2.9 Bronchitis 2.6 2.7 Coughing 2.2 2.4 Hypoglycemia Episodes of severe hypoglycemia (plasma glucose less than 36 mg/dl) were reported in two patients treated with nateglinide tablets. Non-severe hypoglycemia occurred in 2.4 % of nateglinide tablets treated patients and 0.4 % of placebo treated patients [see Warnings and Precautions (5.1) ]. Weight Gain Patients treated with nateglinide tablets had statistically significant mean increases in weight compared to placebo. In clinical trials, the mean weight increases with nateglinide tablets 60 mg (3 times daily) and nateglinide tablets 120 mg (3 times daily) compared to placebo were 1.0 kg and 1.6 kg respectively. Laboratory Test Increases in Uric Acid: There were increases in mean uric acid levels for patients treated with nateglinide tablets alone, nateglinide tablets in combination with metformin, metformin alone, and glyburide alone. The respective differences from placebo were 0.29 mg/dl, 0.45 m9/dl, 0.28 m9/dl, and 0.19 mg/dl. 6.2 Postmarketing Experience The following adverse reactions have been identified during post-approval use of nateglinide tablets. 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. Hypersensitivity reactions: Rash, itching, and urticaria Hepatobiliary Disorders: Jaundice, cholestatic hepatitis, and elevated liver enzymes
Table 1: Adverse Reactions other than Hypoglycemia (%) occurring Greater than or Equal to 2% in Nateglinide -Treated Patients from Pool of 12 to 64 week Placebo Controlled Trials
Placebo N=458Nateglinide N=1,441
Preferred Term
Upper Respiratory Infection8.110.5
Back Pain3.74.0
Flu Symptoms2.63.6
Dizziness2.23.6
Arthropathy2.23.3
Diarrhea3.13.2
Accidental Trauma1.72.9
Bronchitis2.62.7
Coughing2.22.4

NATEGLINIDE Drug Interactions

Information about and practical guidance on preventing clinically significant drug/drug and drug/food interactions that may occur in people taking the drug.
7 DRUG INTERACTIONS Table 2 includes a list of drugs with clinically important drug interactions when concomitantly administered or withdrawn with nateglinide tablets and instructions for managing or preventing them. Table 2: Clinically Significant Drug Interactions with Nateglinide Drugs That May Increase the Blood-Glucose-Lowering Effect of Nateglinide and Susceptibility to Hypoglycemia Drugs: Nonsteroidal anti-inflammatory drugs (NSAIDs), salicylates, monoamine oxidase inhibitors, non-selective beta-adrenergic-blocking agents, anabolic hormones (e.g. methandrostenolone), guanethidine, gymnema sylvestre, glucomannan, thioctic acid, and inhibitors of CYP2C9 (e.g. amiodarone, fluconazole, voriconazole, sulfinpyrazone) or in patients known to be poor metabolizers of CYP2C9 substrates, alcohol. Intervention: Dose increases and increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs. Drugs and Herbals That May Reduce the Blood-Glucose-Lowering Effect of Nateglinide and Increase Susceptibility to Hyperglycemia Drugs: Thiazides, corticosteroids, thyroid products, sympathomimetics, somatropin, somatostatin analogues (e.g. lanreotide, octreotide), and CYP inducers (e.g. rifampin, phenytoin and St John's Wort). Intervention: Dose increases and increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs. Drugs That May Blunt Signs and Symptoms of Hypoglycemia Drugs: beta-blockers, clonidine, guanethidine, and reserpine Intervention: Increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs.
Table 2: Clinically Significant Drug Interactions with Nateglinide
Drugs That May Increase the Blood-Glucose-Lowering Effect of Nateglinide and Susceptibility to Hypoglycemia
Drugs:Nonsteroidal anti-inflammatory drugs (NSAIDs), salicylates, monoamine oxidase inhibitors, non-selective beta-adrenergic-blocking agents, anabolic hormones (e.g. methandrostenolone), guanethidine, gymnema sylvestre, glucomannan, thioctic acid, and inhibitors of CYP2C9 (e.g. amiodarone, fluconazole, voriconazole, sulfinpyrazone) or in patients known to be poor metabolizers of CYP2C9 substrates, alcohol.
Intervention:Dose increases and increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs.
Drugs and Herbals That May Reduce the Blood-Glucose-Lowering Effect of Nateglinide and Increase Susceptibility to Hyperglycemia
Drugs:Thiazides, corticosteroids, thyroid products, sympathomimetics, somatropin, somatostatin analogues (e.g. lanreotide, octreotide), and CYP inducers (e.g. rifampin, phenytoin and St John's Wort).
Intervention:Dose increases and increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs.
Drugs That May Blunt Signs and Symptoms of Hypoglycemia
Drugs:beta-blockers, clonidine, guanethidine, and reserpine
Intervention:Increased frequency of glucose monitoring may be required when nateglinide tablets are coadministered with these drugs.

Clinical pharmacology

Information about the clinical pharmacology and actions of the drug in humans.
12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Nateglinide lowers blood glucose levels by stimulating insulin secretion from the pancreas. This action is dependent upon functioning beta-cells in the pancreatic islets. Nateglinide interacts with the ATP-sensitive potassium (K + ATP ) channel on pancreatic beta-cells. The subsequent depolarization of the beta cell opens the calcium channel, producing calcium influx and insulin secretion. The extent of insulin release is glucose dependent and diminishes at low glucose levels. Nateglinide is highly tissue selective with low affinity for heart and skeletal muscle. 12.2 Pharmacodynamics Nateglinide tablets stimulates pancreatic insulin secretion within 20 minutes of oral administration. When nateglinide tablets are dosed before meals, the peak rise in plasma insulin occurs approximately 1 hour after dosing and falls to baseline by 4 hours after dosing. 12.3 Pharmacokinetics In patients with Type 2 diabetes, multiple dose administration of nateglinide over the dosage range of 60 mg to 240 mg shows linear pharmacokinetics for both AUC and C MAX . In patients with Type 2 diabetes, there is no apparent accumulation of nateglinide upon multiple dosing of up to 240 mg three times daily for 7 days. Absorption Absolute bioavailability of nateglinide is approximately 73%. Plasma profiles are characterized by multiple plasma concentration peaks when nateglinide is administered under fasting conditions. This effect is diminished when nateglinide is taken prior to a meal. Following oral administration immediately prior to a meal, the mean peak plasma nateglinide concentrations (C MAX ) generally occur within 1 hour (T MAX ) after dosing. T MAX is independent of dose. The pharmacokinetics of nateglinide are not affected by the composition of a meal (high protein, fat, or carbohydrate). However, peak plasma levels are significantly reduced when nateglinide tablets are administered 10 minutes prior to a liquid meal as compared to solid meal. When given with or after meals, the extent of nateglinide absorption (AUC) remains unaffected. However, there is a delay in the rate of absorption characterized by a decrease in C MAX and a delay in time to peak plasma concentration (T MAX ). Nateglinide tablets did not have any effect on gastric emptying in healthy subjects as assessed by acetaminophen testing. Distribution Following intravenous (IV) administration of nateglinide, the steady-state volume of distribution of nateglinide is estimated to be approximately 10 L in healthy subjects. Nateglinide is extensively bound (98%) to serum proteins, primarily serum albumin, and to a lesser extent a acid glycoprotein. The extent of serum protein binding is independent of drug concentration over the test range of 0.1 to 10 mcg/ml. Elimination In healthy volunteers and patients with type 2 diabetes mellitus, nateglinide plasma concentrations declined with an average elimination half-life of approximately 1.5 hours. Metabolism In vitro drug metabolism studies indicate that nateglinide tablets are predominantly metabolized by the cytochrome P450 isozyme CYP2C9 (70%) and to a lesser extent CYP3A4 (30%). The major routes of metabolism are hydroxylation followed by glucuronide conjugation. The major metabolites are less potent antidiabetic agents than nateglinide. The isoprene minor metabolite possesses potency similar to that of the parent compound nateglinide. Excretion Nateglinide and its metabolites are rapidly and completely eliminated following oral administration. Eighty-three percent of the 14c_nateglinide was excreted in the urine with an additional 10% eliminated in the feces. Approximately 16% of the 14c_Nateglinide was excreted in the urine as parent compound. Specific Populations Renal Impairment No pharmacokinetic data are available in subjects with mild renal impairment (CrCI 60 to 89 mL/min). Compared to healthy matched subjects, patients with type 2 diabetes mellitus and moderate and severe renal impairment (CrCl 15 to 50 mL/min) not on dialysis displayed similar apparent clearance, AUG, and C MAX . Patients with type 2 diabetes and renal failure on dialysis exhibited reduced overall drug exposure (C MAX decreased by 49%; not statistically significant). However, hemodialysis patients also experienced reductions in plasma protein binding compared to the matched healthy volunteers. In a cohort of 8 patients with type 2 diabetes and end-stage renal disease (ESRD) (eGFR < 15 mL/min/1.73m 2 ) M1 metabolite accumulation up to 1.2 ng/mL occurred with a dosage of 90 mg once daily for 1 to 3 months. In another cohort of 8 patients with type 2 diabetes on hemodialysis, M 1 concentration decreased after a single session of hemodialysis. Although the hypoglycemic activity of the M1 metabolite is approximately 5 times lower than nateglinide, metabolite accumulation may increase the hypoglycemic effect of the administered dose. Hepatic Impairment In patients with mild hepatic impairment, the mean increase in C MAX and AUC of nateglinide were 37% and 30 % respectively, as compared to healthy matched control subjects. There is no data on pharmacokinetics of nateglinide tablets in patients with moderate-to-severe hepatic impairment. Gender No clinically significant differences in nateglinide pharmacokinetics were observed between men and women. Race Results of a population pharmacokinetic analysis including subjects of Caucasian, Black, and other ethnic origins suggest that race has little influence on the pharmacokinetics of nateglinide. Age Age does not influence the pharmacokinetic properties of nateglinide. Drug Interactions: In vitro assessment of drug interactions Nateglinide is a potential inhibitor of the CYP2C9 isoenzyme in viva as indicated by its ability to inhibit the in vitro metabolism of tolbutamide. Inhibition of CYP3A4 metabolic reactions was not detected in in vitro experiments. In vitro displacement studies with highly protein-bound drugs such as furosemide, propranolol, captopril, nicardipine, pravastatin, glyburide, warfarin, phenytoin, acetylsalicylic acid, tolbutamide, and metformin showed no influence on the extent of nateglinide protein binding. Similarly, nateglinide had no influence on the serum protein binding of propranolol, glyburide, nicardipine, warfarin, phenytoin, acetylsalicylic acid, and tolbutamide in vitro. However, prudent evaluation of individual cases is warranted in the clinical setting. In vivo assessment of drug interactions The effect of coadministered drugs on the pharmacokinetics of nateglinide and the effect of nateglinide on pharmacokinetics of coadministered drugs are shown in Tables 3 and 4. No clinically relevant change in pharmacokinetic parameters of either agent was reported when nateglinide was coadministered with glyburide, metformin, digoxin, warfarin, and diclofenac. Table 3: Effect of Coadministered Drugs on Pharmacokinetics of Nateglinide Coadministered drug Dosing regimen of coadministered drug Dosing regimen of nateglinide Change in C max Change in AUC AM: after morning dose; PM: after evening dose; * after second dose; ↑: Increase in the parameter; ↓: decrease in the parameter Glyburide 10 mg once daily for 3 weeks 120 mg three times a day, single dose 8.78%↓ 3.53%↓ Metformin 500 mg three times a day for 3 weeks 120 mg three times a day, single dose AM:7.14%↑ PM:11.4%↓ AM:1.51%↑ PM:5.97%↑ Digoxin 1 mg, single dose 120 mg three times a day, single dose AM:2.17%↓ PM:3.19%↑ AM:7.62%↑ PM:2.22%↑ Warfarin 30 mg, single dose 120 mg three times a day for 4 days 2.65%↑ 3.72%↓ Diclofenac 75 mg, single dose 120 mg twice daily, single dose AM:13.23%↓ *PM: 3.76% ↑ AM:2.2%↓ *PM: 7.5% ↑ Table 4: Effect of Nateglinide on Pharmacokinetics of Coadministered Drugs Coadministered drug Dosing regimen of Coadministered drug Dosing regimen of nateglinide Change in C max Change in AUC AM: after morning dose; PM: after evening dose; SD: single dose; ↑: increase in the parameter; ↓: decrease in the parameter Glyburide 10 mg once daily for 3 weeks 120 mg three times a day, single dose 3.18%↓ 7.34%↓ Metformin 500 mg three times a day for 3 weeks 120 mg three times a day, single dose AM:10.7%↑ PM:0.40%↑ AM:13.3%↑ PM:2.27%↓ Digoxin 1 mg, single dose 120 mg three times a day, single dose 5.41%↓ 6.58%↑ Warfarin 30 mg, single dose 120 mg three times a day for 4 days R-warfarin:1.03%↓ S-warfarin:0.85%↓ R-warfarin:0.74%↑ S-warfarin:7.23%↑ Diclofenac 75 mg, single dose 120 mg twice daily, single dose 2.19%↑ 7.97%↑
Table 3: Effect of Coadministered Drugs on Pharmacokinetics of Nateglinide
Coadministered drugDosing regimen of coadministered drugDosing regimen of nateglinideChange in CmaxChange in AUC
AM: after morning dose; PM: after evening dose; * after second dose; ↑: Increase in the parameter; ↓: decrease in the parameter
Glyburide10 mg once daily for 3 weeks120 mg three times a day, single dose8.78%↓3.53%↓
Metformin500 mg three times a day for 3 weeks120 mg three times a day, single doseAM:7.14%↑ PM:11.4%↓AM:1.51%↑ PM:5.97%↑
Digoxin1 mg, single dose120 mg three times a day, single doseAM:2.17%↓ PM:3.19%↑AM:7.62%↑ PM:2.22%↑
Warfarin30 mg, single dose120 mg three times a day for 4 days2.65%↑3.72%↓
Diclofenac75 mg, single dose120 mg twice daily, single doseAM:13.23%↓ *PM: 3.76% ↑AM:2.2%↓ *PM: 7.5% ↑
Table 4: Effect of Nateglinide on Pharmacokinetics of Coadministered Drugs
Coadministered drugDosing regimen of Coadministered drugDosing regimen of nateglinideChange in CmaxChange in AUC
AM: after morning dose; PM: after evening dose; SD: single dose; ↑: increase in the parameter; ↓: decrease in the parameter
Glyburide10 mg once daily for 3 weeks120 mg three times a day, single dose3.18%↓7.34%↓
Metformin500 mg three times a day for 3 weeks120 mg three times a day, single doseAM:10.7%↑ PM:0.40%↑AM:13.3%↑ PM:2.27%↓
Digoxin1 mg, single dose120 mg three times a day, single dose5.41%↓6.58%↑
Warfarin30 mg, single dose120 mg three times a day for 4 daysR-warfarin:1.03%↓ S-warfarin:0.85%↓R-warfarin:0.74%↑ S-warfarin:7.23%↑
Diclofenac75 mg, single dose120 mg twice daily, single dose2.19%↑7.97%↑

Mechanism of action

Information about the established mechanism(s) of the drugÕs action in humans at various levels (for example receptor, membrane, tissue, organ, whole body). If the mechanism of action is not known, this field contains a statement about the lack of information.
12.1 Mechanism of Action Nateglinide lowers blood glucose levels by stimulating insulin secretion from the pancreas. This action is dependent upon functioning beta-cells in the pancreatic islets. Nateglinide interacts with the ATP-sensitive potassium (K + ATP ) channel on pancreatic beta-cells. The subsequent depolarization of the beta cell opens the calcium channel, producing calcium influx and insulin secretion. The extent of insulin release is glucose dependent and diminishes at low glucose levels. Nateglinide is highly tissue selective with low affinity for heart and skeletal muscle.

Pharmacodynamics

Information about any biochemical or physiologic pharmacologic effects of the drug or active metabolites related to the drugÕs clinical effect in preventing, diagnosing, mitigating, curing, or treating disease, or those related to adverse effects or toxicity.
12.2 Pharmacodynamics Nateglinide tablets stimulates pancreatic insulin secretion within 20 minutes of oral administration. When nateglinide tablets are dosed before meals, the peak rise in plasma insulin occurs approximately 1 hour after dosing and falls to baseline by 4 hours after dosing.

Pharmacokinetics

Information about the clinically significant pharmacokinetics of a drug or active metabolites, for instance pertinent absorption, distribution, metabolism, and excretion parameters.
12.3 Pharmacokinetics In patients with Type 2 diabetes, multiple dose administration of nateglinide over the dosage range of 60 mg to 240 mg shows linear pharmacokinetics for both AUC and C MAX . In patients with Type 2 diabetes, there is no apparent accumulation of nateglinide upon multiple dosing of up to 240 mg three times daily for 7 days. Absorption Absolute bioavailability of nateglinide is approximately 73%. Plasma profiles are characterized by multiple plasma concentration peaks when nateglinide is administered under fasting conditions. This effect is diminished when nateglinide is taken prior to a meal. Following oral administration immediately prior to a meal, the mean peak plasma nateglinide concentrations (C MAX ) generally occur within 1 hour (T MAX ) after dosing. T MAX is independent of dose. The pharmacokinetics of nateglinide are not affected by the composition of a meal (high protein, fat, or carbohydrate). However, peak plasma levels are significantly reduced when nateglinide tablets are administered 10 minutes prior to a liquid meal as compared to solid meal. When given with or after meals, the extent of nateglinide absorption (AUC) remains unaffected. However, there is a delay in the rate of absorption characterized by a decrease in C MAX and a delay in time to peak plasma concentration (T MAX ). Nateglinide tablets did not have any effect on gastric emptying in healthy subjects as assessed by acetaminophen testing. Distribution Following intravenous (IV) administration of nateglinide, the steady-state volume of distribution of nateglinide is estimated to be approximately 10 L in healthy subjects. Nateglinide is extensively bound (98%) to serum proteins, primarily serum albumin, and to a lesser extent a acid glycoprotein. The extent of serum protein binding is independent of drug concentration over the test range of 0.1 to 10 mcg/ml. Elimination In healthy volunteers and patients with type 2 diabetes mellitus, nateglinide plasma concentrations declined with an average elimination half-life of approximately 1.5 hours. Metabolism In vitro drug metabolism studies indicate that nateglinide tablets are predominantly metabolized by the cytochrome P450 isozyme CYP2C9 (70%) and to a lesser extent CYP3A4 (30%). The major routes of metabolism are hydroxylation followed by glucuronide conjugation. The major metabolites are less potent antidiabetic agents than nateglinide. The isoprene minor metabolite possesses potency similar to that of the parent compound nateglinide. Excretion Nateglinide and its metabolites are rapidly and completely eliminated following oral administration. Eighty-three percent of the 14c_nateglinide was excreted in the urine with an additional 10% eliminated in the feces. Approximately 16% of the 14c_Nateglinide was excreted in the urine as parent compound. Specific Populations Renal Impairment No pharmacokinetic data are available in subjects with mild renal impairment (CrCI 60 to 89 mL/min). Compared to healthy matched subjects, patients with type 2 diabetes mellitus and moderate and severe renal impairment (CrCl 15 to 50 mL/min) not on dialysis displayed similar apparent clearance, AUG, and C MAX . Patients with type 2 diabetes and renal failure on dialysis exhibited reduced overall drug exposure (C MAX decreased by 49%; not statistically significant). However, hemodialysis patients also experienced reductions in plasma protein binding compared to the matched healthy volunteers. In a cohort of 8 patients with type 2 diabetes and end-stage renal disease (ESRD) (eGFR < 15 mL/min/1.73m 2 ) M1 metabolite accumulation up to 1.2 ng/mL occurred with a dosage of 90 mg once daily for 1 to 3 months. In another cohort of 8 patients with type 2 diabetes on hemodialysis, M 1 concentration decreased after a single session of hemodialysis. Although the hypoglycemic activity of the M1 metabolite is approximately 5 times lower than nateglinide, metabolite accumulation may increase the hypoglycemic effect of the administered dose. Hepatic Impairment In patients with mild hepatic impairment, the mean increase in C MAX and AUC of nateglinide were 37% and 30 % respectively, as compared to healthy matched control subjects. There is no data on pharmacokinetics of nateglinide tablets in patients with moderate-to-severe hepatic impairment. Gender No clinically significant differences in nateglinide pharmacokinetics were observed between men and women. Race Results of a population pharmacokinetic analysis including subjects of Caucasian, Black, and other ethnic origins suggest that race has little influence on the pharmacokinetics of nateglinide. Age Age does not influence the pharmacokinetic properties of nateglinide. Drug Interactions: In vitro assessment of drug interactions Nateglinide is a potential inhibitor of the CYP2C9 isoenzyme in viva as indicated by its ability to inhibit the in vitro metabolism of tolbutamide. Inhibition of CYP3A4 metabolic reactions was not detected in in vitro experiments. In vitro displacement studies with highly protein-bound drugs such as furosemide, propranolol, captopril, nicardipine, pravastatin, glyburide, warfarin, phenytoin, acetylsalicylic acid, tolbutamide, and metformin showed no influence on the extent of nateglinide protein binding. Similarly, nateglinide had no influence on the serum protein binding of propranolol, glyburide, nicardipine, warfarin, phenytoin, acetylsalicylic acid, and tolbutamide in vitro. However, prudent evaluation of individual cases is warranted in the clinical setting. In vivo assessment of drug interactions The effect of coadministered drugs on the pharmacokinetics of nateglinide and the effect of nateglinide on pharmacokinetics of coadministered drugs are shown in Tables 3 and 4. No clinically relevant change in pharmacokinetic parameters of either agent was reported when nateglinide was coadministered with glyburide, metformin, digoxin, warfarin, and diclofenac. Table 3: Effect of Coadministered Drugs on Pharmacokinetics of Nateglinide Coadministered drug Dosing regimen of coadministered drug Dosing regimen of nateglinide Change in C max Change in AUC AM: after morning dose; PM: after evening dose; * after second dose; ↑: Increase in the parameter; ↓: decrease in the parameter Glyburide 10 mg once daily for 3 weeks 120 mg three times a day, single dose 8.78%↓ 3.53%↓ Metformin 500 mg three times a day for 3 weeks 120 mg three times a day, single dose AM:7.14%↑ PM:11.4%↓ AM:1.51%↑ PM:5.97%↑ Digoxin 1 mg, single dose 120 mg three times a day, single dose AM:2.17%↓ PM:3.19%↑ AM:7.62%↑ PM:2.22%↑ Warfarin 30 mg, single dose 120 mg three times a day for 4 days 2.65%↑ 3.72%↓ Diclofenac 75 mg, single dose 120 mg twice daily, single dose AM:13.23%↓ *PM: 3.76% ↑ AM:2.2%↓ *PM: 7.5% ↑ Table 4: Effect of Nateglinide on Pharmacokinetics of Coadministered Drugs Coadministered drug Dosing regimen of Coadministered drug Dosing regimen of nateglinide Change in C max Change in AUC AM: after morning dose; PM: after evening dose; SD: single dose; ↑: increase in the parameter; ↓: decrease in the parameter Glyburide 10 mg once daily for 3 weeks 120 mg three times a day, single dose 3.18%↓ 7.34%↓ Metformin 500 mg three times a day for 3 weeks 120 mg three times a day, single dose AM:10.7%↑ PM:0.40%↑ AM:13.3%↑ PM:2.27%↓ Digoxin 1 mg, single dose 120 mg three times a day, single dose 5.41%↓ 6.58%↑ Warfarin 30 mg, single dose 120 mg three times a day for 4 days R-warfarin:1.03%↓ S-warfarin:0.85%↓ R-warfarin:0.74%↑ S-warfarin:7.23%↑ Diclofenac 75 mg, single dose 120 mg twice daily, single dose 2.19%↑ 7.97%↑
Table 3: Effect of Coadministered Drugs on Pharmacokinetics of Nateglinide
Coadministered drugDosing regimen of coadministered drugDosing regimen of nateglinideChange in CmaxChange in AUC
AM: after morning dose; PM: after evening dose; * after second dose; ↑: Increase in the parameter; ↓: decrease in the parameter
Glyburide10 mg once daily for 3 weeks120 mg three times a day, single dose8.78%↓3.53%↓
Metformin500 mg three times a day for 3 weeks120 mg three times a day, single doseAM:7.14%↑ PM:11.4%↓AM:1.51%↑ PM:5.97%↑
Digoxin1 mg, single dose120 mg three times a day, single doseAM:2.17%↓ PM:3.19%↑AM:7.62%↑ PM:2.22%↑
Warfarin30 mg, single dose120 mg three times a day for 4 days2.65%↑3.72%↓
Diclofenac75 mg, single dose120 mg twice daily, single doseAM:13.23%↓ *PM: 3.76% ↑AM:2.2%↓ *PM: 7.5% ↑
Table 4: Effect of Nateglinide on Pharmacokinetics of Coadministered Drugs
Coadministered drugDosing regimen of Coadministered drugDosing regimen of nateglinideChange in CmaxChange in AUC
AM: after morning dose; PM: after evening dose; SD: single dose; ↑: increase in the parameter; ↓: decrease in the parameter
Glyburide10 mg once daily for 3 weeks120 mg three times a day, single dose3.18%↓7.34%↓
Metformin500 mg three times a day for 3 weeks120 mg three times a day, single doseAM:10.7%↑ PM:0.40%↑AM:13.3%↑ PM:2.27%↓
Digoxin1 mg, single dose120 mg three times a day, single dose5.41%↓6.58%↑
Warfarin30 mg, single dose120 mg three times a day for 4 daysR-warfarin:1.03%↓ S-warfarin:0.85%↓R-warfarin:0.74%↑ S-warfarin:7.23%↑
Diclofenac75 mg, single dose120 mg twice daily, single dose2.19%↑7.97%↑

Contraindications

Information about situations in which the drug product is contraindicated or should not be used because the risk of use clearly outweighs any possible benefit, including the type and nature of reactions that have been reported.
4 CONTRAINDICATIONS Nateglinide is contraindicated in patients with a history of hypersensitivity to nateglinide or its inactive ingredients. History of hypersensitivity to nateglinide or its inactive ingredients ( 4 )

Description

General information about the drug product, including the proprietary and established name of the drug, the type of dosage form and route of administration to which the label applies, qualitative and quantitative ingredient information, the pharmacologic or therapeutic class of the drug, and the chemical name and structural formula of the drug.
11 DESCRIPTION Nateglinide, USP is an oral blood glucose-lowering drug of the glinide class. Nateglinide, USP (-)-N-[(trans-4-isopropylcyclohexane)carbonyl]-D-phenylalanine, is structurally unrelated to the oral sulfonylurea insulin secretagogues. The structural formula is as shown: Nateglinide is a white or almost white powder with a molecular weight of 317.42. It is freely soluble in methanol, methylene chloride and in alcohol, soluble in ether, sparingly soluble in acetonitrile and in octanol, practically insoluble in water. Nateglinide tablets contain 60 mg, or 120mg, of nateglinide for oral administration. Inactive ingredients: colloidal silicon dioxide, corn starch, croscarmellose sodium, hypromellose, mannitol, iron oxide (yellow and red), polyethylene glycol, povidone, pre-gelatinized starch, sodium lauryl sulphate, sodium starch glycolate, sodium stearyl fumarate, talc and titanium dioxide. Film-coating material contains opadry pink and opadry yellow for the 60 mg and 120 mg. Opadry pink contains hypromellose, iron oxide red, macrogol and titanium dioxide. Opadry yellow contains hypromellose, iron oxides (yellow and red), macrogol, titanium dioxide, and talc. Chemical Structure

Dosage and administration

Information about the drug product’s dosage and administration recommendations, including starting dose, dose range, titration regimens, and any other clinically sigificant information that affects dosing recommendations.
2 DOSAGE AND ADMINISTRATION The recommended dose of nateglinide tablets is 120 mg orally three times daily before meals. The recommended dose of nateglinide tablets is 60 mg orally three times daily before meals in patients who are near glycemic goal when treatment is initiated. Instruct patients to take nateglinide tablets 1 to 30 minutes before meals. In patients who skip meals, instruct patients to skip the scheduled dose of nateglinide tablets to reduce the risk of hypoglycemia {see Warnings and Precautions (5.1) ]. Recommended dose is 120 mg three times daily. In patients who are near glycemic goal when treatment is initiated, 60 mg three times daily may be administered. ( 2 ) Administer 1 to 30 minutes before meals. ( 2 ) If a meal is skipped, skip the scheduled dose to reduce the risk of hypoglycemia. ( 2 , 5.1 )

Dosage forms and strengths

Information about all available dosage forms and strengths for the drug product to which the labeling applies. This field may contain descriptions of product appearance.
3 DOSAGE FORMS AND STRENGTHS 60 mg tablets: Pink, round, beveled edge tablet with "C" debossed on one side and "123" on the other side 120 mg tablets: Yellow, ovaloid tablet with "C" debossed on one side and "125" on the other side Tablets: 60 mg and 120 mg ( 3 )

Indications and usage

A statement of each of the drug products indications for use, such as for the treatment, prevention, mitigation, cure, or diagnosis of a disease or condition, or of a manifestation of a recognized disease or condition, or for the relief of symptoms associated with a recognized disease or condition. This field may also describe any relevant limitations of use.
1 INDICATIONS AND USAGE Nateglinide tablets are indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. Nateglinide is a glinide indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. ( 1 ) Limitations of Use: Not for treating type 1 diabetes mellitus or diabetes ketoacidosis ( 1 ) Limitations of Use: Nateglinide tablets should not be used in patients with type 1 diabetes mellitus or for the treatment of diabetic ketoacidosis.

Spl product data elements

Usually a list of ingredients in a drug product.
NATEGLINIDE NATEGLINIDE NATEGLINIDE NATEGLINIDE SILICON DIOXIDE STARCH, CORN CROSCARMELLOSE SODIUM HYPROMELLOSE, UNSPECIFIED MANNITOL FERRIC OXIDE RED POLYETHYLENE GLYCOL 6000 POVIDONE K30 SODIUM STARCH GLYCOLATE TYPE A POTATO SODIUM LAURYL SULFATE SODIUM STEARYL FUMARATE TALC TITANIUM DIOXIDE C123 NATEGLINIDE NATEGLINIDE NATEGLINIDE NATEGLINIDE SILICON DIOXIDE STARCH, CORN CROSCARMELLOSE SODIUM HYPROMELLOSE, UNSPECIFIED MANNITOL FERRIC OXIDE RED POLYETHYLENE GLYCOL 400 POVIDONE K30 SODIUM STARCH GLYCOLATE TYPE A POTATO SODIUM LAURYL SULFATE SODIUM STEARYL FUMARATE TALC TITANIUM DIOXIDE C125

Carcinogenesis and mutagenesis and impairment of fertility

Information about carcinogenic, mutagenic, or fertility impairment potential revealed by studies in animals. Information from human data about such potential is part of the warnings field.
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenicity: Nateglinide did not increase tumors in two year carcinogenicity studies conducted in mice and rats. Oral doses of nateglinide up to 900 mg/kg in rats and 400 mg/kg in mice were tested, which produced exposures in rats approximately 30 to 40 times and in mice 10 to 30 times the human therapeutic exposure of nateglinide at a dose of 120 mg three times daily, based on AUC. Mutagenesis: Nateglinide was not genotoxic in the in vM:ra Ames test, mouse lymphoma assay, chromosome aberration assay or in the in vivo mouse micronucleus test. Impairment of Fertility: Fertility was unaffected by administration of nateglinide to rats at doses up to 600 mg/kg (approximately 16 times the human therapeutic exposure with a recommended nateglinide tablets dose of 120 mg three times daily before meals).

Nonclinical toxicology

Information about toxicology in non-human subjects.
13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenicity: Nateglinide did not increase tumors in two year carcinogenicity studies conducted in mice and rats. Oral doses of nateglinide up to 900 mg/kg in rats and 400 mg/kg in mice were tested, which produced exposures in rats approximately 30 to 40 times and in mice 10 to 30 times the human therapeutic exposure of nateglinide at a dose of 120 mg three times daily, based on AUC. Mutagenesis: Nateglinide was not genotoxic in the in vM:ra Ames test, mouse lymphoma assay, chromosome aberration assay or in the in vivo mouse micronucleus test. Impairment of Fertility: Fertility was unaffected by administration of nateglinide to rats at doses up to 600 mg/kg (approximately 16 times the human therapeutic exposure with a recommended nateglinide tablets dose of 120 mg three times daily before meals).

Package label principal display panel

The content of the principal display panel of the product package, usually including the product’s name, dosage forms, and other key information about the drug product.
PRINCIPAL DISPLAY PANEL - 60 mg Tablet Bottle Label NDC 75834-205-01 NATEGLINIDE TABLETS, USP 60 mg 100 Tablets NIVAGEN Rx only PRINCIPAL DISPLAY PANEL - 60 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 120 mg Tablet Bottle Label NDC 75834-206-01 NATEGLINIDE TABLETS, USP 120 mg 100 Tablets NIVAGEN Rx only PRINCIPAL DISPLAY PANEL - 120 mg Tablet Bottle Label

Spl unclassified section

Information not classified as belonging to one of the other fields. Approximately 40% of labeling with effective_time between June 2009 and August 2014 have information in this field.
Manufactured by: Cadila Pharmaceuticals Limited 1389 Trasad Road, Dholka - 382225, District - Ahmedabad, Gujarat, INDIA Manufactured for: Nivagen Pharmaceuticals, Inc. Sacramento, CA 95827 Toll free number: 1-877-977-0687 May, 2019

NATEGLINIDE: Information for patients

Information necessary for patients to use the drug safely and effectively, such as precautions concerning driving or the concomitant use of other substances that may have harmful additive effects.
17 PATIENT COUNSELING INFORMATION Administration Instruct patients to take nateglinide tablets 1 to 30 minutes before meals. Instruct patients that skip meals to skip their dose of nateglinide tablets [see Dosage and Administration (2) ]. Hypoglycemia Inform patients that nateglinide tablets can cause hypoglycemia and instruct patients and their caregivers on self-management procedures including glucose monitoring and management of hypoglycemia. Inform patients that their ability to concentrate and react may be impaired as a result of hypoglycemia. In patients at higher risk for hypoglycemia and patients who have reduced symptomatic awareness of hypoglycemia, increased frequency of blood glucose monitoring is recommended [see Warnings and Precautions (5.1) ]. Drug Interactions Discuss potential drug interactions with patients and inform them of potential drug-drug interactions with nateglinide tablets.

Clinical studies

This field may contain references to clinical studies in place of detailed discussion in other sections of the labeling.
14 CLINICAL STUDIES 14.1 Monotherapy In a 24-week, double-blind, placebo-controlled study, patients with type 2 diabetes were randomized to receive either nateglinide tablets (60 mg or 120 mg three times daily before meals) or placebo. Patients previously treated with antidiabetic medications were required to discontinue that medication for at least 2 months before randomization. At Week 24, treatment with nateglinide tablets before meals resulted in statistically significant reductions in mean HbA1C and mean fasting plasma glucose (FPG) compared to placebo (see Table 5 ). The reductions in HbA1C and FPG were similar for patient's naive to, and those previously exposed to, antidiabetic medications. Table 5: Endpoint Results for a 24-week, Fixed Dose Study of Nateglinide Monotherapy Placebo Nateglinide Tablets 60 mg three times daily before meals Nateglinide Tablets 120 mg three times daily before meals HbA1C (%) N=168 N=167 N=168 Baseline (mean) 8.0 7.9 8.1 Change from baseline (mean) +0.2 -0.3 -0.5 Difference from placebo (mean) -0.5 p-value≤0.004 -0.7 FPG (mg/dL) N=172 N=171 N=169 Baseline (mean) 167.9 161.0 166.5 Change from baseline (mean) +9.1 +0.4 -4.5 Difference from placebo (mean) -8.7 -13.6 14.2 Monotherapy Compared to Glyburide In a 24-week, double-blind, active-controlled trial, patients with type 2 diabetes who had been on a sulfonylurea for 3 or more months and who had a baseline HbA 1 C greater than or equal to 6.5% were randomized to receive nateglinide tablets (60 mg or 120 mg three times daily before meals) or glyburide 10 mg once daily. Patients randomized to nateglinide tablets had statistically significant increases in mean HbA1C and mean FPG at endpoint compared to patients randomized to glyburide. Table 6: Endpoint Results for a 24-week Study of Nateglinide Monotherapy Compared to Glyburide Glyburide 10 mg Once daily Nateglinide 60 mg three times daily before meals Nateglinide 120 mg three times daily before meals HbA 1C (%) N=183 N=178 N=179 Baseline (mean) 7.8 8.0 7.9 Change from baseline (mean) 0.3 1.3 1.1 Difference from glyburide 1.0 p-value <0.001 0.9 FPG(mmol/L) N=184 N=182 N=180 Baseline (mean) 9.44 9.67 9.61 Change from baseline (mean) 0.19 3.06 2.84 Difference from glyburide 2.87 2.66 14.3 Monotherapy and In Combination With Metformin In a 24-week, double-blind, active- and placebo-controlled study, patients with type 2 diabetes were randomized to receive either nateglinide alone (120 mg three times daily before meals), metformin alone (500 mg three times daily), a combination of nateglinide tablets 120 mg (three times daily before meals) and metformin (500 mg three times daily), or placebo. Fifty-seven percent of patients were previously untreated with oral antidiabetic therapy. Patients previously treated with antidiabetic medications were required to discontinue medication for at least 2 months before randomization. At Week 24, statistically significant reductions in mean HbA1c and FPG were observed with metformin monotherapy compared to nateglinide tablets monotherapy, and the combination of nateglinide tablets and metformin compared to either nateglinide tablets or metformin monotherapy (see Table 7 ). Compared to placebo, nateglinide monotherapy was associated with a statistically significant increase in mean body weight, while no significant change in body weight was observed with metformin monotherapy or combination of nateglinide and metformin therapy (see Table 7 ). Among the subset of patients previously treated with other antidiabetic agents, primarily glyburide, HbA1C in the nateglinide monotherapy group increased slightly from baseline, whereas HbA1C was reduced in the metformin monotherapy group (see Table 7 ). Table 7: Endpoint results for a 24-week study of Nateglinide Monotherapy and Combination with Metformin Placebo Nateglinide 120 mg three times daily Metformin 500 mg three times daily Nateglinide 120 mg before meals plus Metformin Metformin was administered three times daily HbA1C(%) All N=160 N=171 N=172 N=162 Baseline (mean) 8.3 8.3 8.4 8.4 Change from baseline (mean) +0.4 -0.4 p-value≤0.03 vs. metformin p-value≤0.05 vs. combination -0.8 -1.5 Difference from placebo -0.8 p-value≤0.05 vs. placebo -1.2 -1.9 Naïve N=98 N=99 N=98 N=81 Baseline (mean) 8.2 8.1 8.3 8.2 Change from baseline (mean) +0.3 -0.7 -0.8 -1.6 Difference from placebo -1.0 -1.1 -1.9 Non-Naïve N=62 N=72 N=74 N=81 Baseline (mean) 8.3 8.5 8.7 8.7 Change from baseline (mean) +0.6 +0.004 -0.8 -1.4 Difference from placebo -0.6 -1.4a -2.0 FPG (mg/dL) All N=166 N=173 N=174 N=167 Baseline (mean) 194.0 196.5 196.0 197.7 Change from baseline (mean) +8.0 -13.1 -30.0 -44.9 Difference from placebo -21.1 -38.0 -52.9 In another 24-week, double-blind, placebo-controlled trial, patients with type 2 diabetes with HbA1C greater than or equal to 6.8% after treatment with metformin (greater than or equal to 1,500 mg daily for at least 1 month) were first entered into a four week run-in period of metformin monotherapy (2,000 mg daily) and then randomized to receive either nateglinide tablets (60 mg or 120 mg three limes daily before meals) or placebo as add-on to metformin. At the end of treatment, nateglinide tablets 60 mg and 120 mg three times daily resulted in a statistically significantly greater reductions in HbA1C compared to placebo when added to metformin (-0.4% and -0.6% for nateglinide tablets 60 mg and nateglinide tablets 120 mg plus metformin, respectively). Table 8: Endpoint Results for a 24-week Study of Nateglinide Monotherapy as Add-on to Metformin Placebo + 006Detformin Nateglinide 60 mg + metformin Nateglinide 120 mg + metformin HbA 1C (%) N=150 N=152 N=154 Baseline (mean) 8.2 8.0 8.2 Change from baseline (mean) 0.01 -0.4 -0.6 Difference from metformin -0.4 p-value 0.003 vs. metformin -0.6 p-value < 0.001 vs. metformin All nateglinide /placebo taken three times daily before meals; all metformin 1,000 mg twice daily. 14.4 Add-On Combination Therapy With Rosiglitazone A 24-week, double blind, multicenter, placebo-controlled trial was performed in patients with type 2 diabetes not adequately controlled on rosiglitazone 8 mg daily. The addition of nateglinide (120 mg three times per day with meals) was associated with statistically significantly greater reductions in HbA1C compared to placebo as add-on to rosiglitazone. The mean change in weight from baseline was +3 kg for patients treated with nateglinide tablets compared to +1 kg for patients treated with placebo when added to rosiglitazone. Table 9: Endpoint Results for a 24-week Study of the Effect of Adding Nategllnlde or Placebo to Rosiglitazone Placebo + roalglitazone 8 mg once daily Nateglinide 120 mg before meals + rosiglitazone 8 mg once daily HbA 1C (%) N=191 N=194 Baseline (mean) 8.4 8.3 Change from baseline (mean) 0.03 -0.7 Difference from rosiglitazone (mean) -0.7 p-value≤0.0001 14.5 Add-On Combination Therapy With Glyburide In a 12-week study of patients with type 2 diabetes inadequately controlled on glyburide 10 mg once daily, the addition of nateglinide (60 mg or 120 mg three times daily before meals) did not produce any additional benefit. Table 10: Endpoint Results for a 12-week Study of the Effect of Adding Nateglinide or Placebo to Glyburide Placebo + roalglitazone 8 mg once daily Nateglinide 120 mg before meals + rosiglitazone 8 mg once daily HbA 1C (%) N=191 N=194 Baseline (mean) 8.4 8.3 Change from baseline (mean) 0.03 -0.7 Difference from rosiglitazone (mean) -0.7 p-value≤0.0001
Table 5: Endpoint Results for a 24-week, Fixed Dose Study of Nateglinide Monotherapy
PlaceboNateglinide Tablets 60 mg three times daily before mealsNateglinide Tablets 120 mg three times daily before meals
HbA1C (%)N=168N=167N=168
Baseline (mean)8.07.98.1
Change from baseline (mean)+0.2-0.3-0.5
Difference from placebo (mean)-0.5p-value≤0.004-0.7
FPG (mg/dL)N=172N=171N=169
Baseline (mean)167.9161.0166.5
Change from baseline (mean)+9.1+0.4-4.5
Difference from placebo (mean)-8.7 -13.6
Table 6: Endpoint Results for a 24-week Study of Nateglinide Monotherapy Compared to Glyburide
Glyburide 10 mg Once dailyNateglinide 60 mg three times daily before mealsNateglinide 120 mg three times daily before meals
HbA1C (%)N=183N=178N=179
Baseline (mean)7.88.07.9
Change from baseline (mean)0.31.31.1
Difference from glyburide1.0p-value <0.0010.9
FPG(mmol/L)N=184N=182N=180
Baseline (mean)9.449.679.61
Change from baseline (mean)0.193.062.84
Difference from glyburide2.872.66
Table 7: Endpoint results for a 24-week study of Nateglinide Monotherapy and Combination with Metformin
PlaceboNateglinide 120 mg three times dailyMetformin 500 mg three times dailyNateglinide 120 mg before meals plus MetforminMetformin was administered three times daily
HbA1C(%) AllN=160N=171N=172N=162
Baseline (mean)8.38.38.48.4
Change from baseline (mean)+0.4-0.4p-value≤0.03 vs. metforminp-value≤0.05 vs. combination-0.8-1.5
Difference from placebo-0.8p-value≤0.05 vs. placebo-1.2-1.9
NaïveN=98N=99N=98N=81
Baseline (mean)8.28.18.38.2
Change from baseline (mean)+0.3-0.7-0.8-1.6
Difference from placebo-1.0-1.1-1.9
Non-NaïveN=62N=72N=74N=81
Baseline (mean)8.38.58.78.7
Change from baseline (mean)+0.6+0.004-0.8-1.4
Difference from placebo-0.6-1.4a-2.0
FPG (mg/dL)
AllN=166N=173N=174N=167
Baseline (mean)194.0196.5196.0197.7
Change from baseline (mean)+8.0-13.1-30.0-44.9
Difference from placebo-21.1-38.0-52.9
Table 8: Endpoint Results for a 24-week Study of Nateglinide Monotherapy as Add-on to Metformin
Placebo + 006DetforminNateglinide 60 mg + metforminNateglinide 120 mg + metformin
HbA1C (%)N=150N=152N=154
Baseline (mean)8.28.08.2
Change from baseline (mean)0.01-0.4-0.6
Difference from metformin-0.4p-value 0.003 vs. metformin-0.6p-value < 0.001 vs. metformin All nateglinide /placebo taken three times daily before meals; all metformin 1,000 mg twice daily.
Table 9: Endpoint Results for a 24-week Study of the Effect of Adding Nategllnlde or Placebo to Rosiglitazone
Placebo + roalglitazone 8 mg once dailyNateglinide 120 mg before meals + rosiglitazone 8 mg once daily
HbA1C (%)N=191N=194
Baseline (mean)8.48.3
Change from baseline (mean)0.03-0.7
Difference from rosiglitazone (mean)-0.7p-value≤0.0001
Table 10: Endpoint Results for a 12-week Study of the Effect of Adding Nateglinide or Placebo to Glyburide
Placebo + roalglitazone 8 mg once dailyNateglinide 120 mg before meals + rosiglitazone 8 mg once daily
HbA1C (%)N=191N=194
Baseline (mean)8.48.3
Change from baseline (mean)0.03-0.7
Difference from rosiglitazone (mean)-0.7p-value≤0.0001

Geriatric use

Information about any limitations on any geriatric indications, needs for specific monitoring, hazards associated with use of the drug in the geriatric population.
8.5 Geriatric Use 436 patients 65 years and older, and 80 patients 75 years and older were exposed to nateglinide in clinical studies. No differences were observed in safety or efficacy of nateglinide tablets between patients age 65 and over, and those under age 65. However, greater sensitivity of some older individuals to nateglinide tablets therapy cannot be ruled out.

Nursing mothers

Information about excretion of the drug in human milk and effects on the nursing infant, including pertinent adverse effects observed in animal offspring.
8.3 Nursing Mothers It is not known whether nateglinide is excreted in human milk. Nateglinide is excreted in rat milk. Offspring of rats exposed to 1,000 mg/kg nateglinide (approximately 27 times the human therapeutic exposure of 120 mg three times daily, based on body surface area) had lower body weight. Because the potential for hypoglycemia in nursing infants may exist, a decision should be made as to whether nateglinide should be discontinued in nursing mothers, or if mothers should discontinue nursing.

Pediatric use

Information about any limitations on any pediatric indications, needs for specific monitoring, hazards associated with use of the drug in any subsets of the pediatric population (such as neonates, infants, children, or adolescents), differences between pediatric and adult responses to the drug, and other information related to the safe and effective pediatric use of the drug.
8.4 Pediatric Use The safety and effectiveness of nateglinide have not been established in pediatric patients.

Pregnancy

Information about effects the drug may have on pregnant women or on a fetus. This field may be ommitted if the drug is not absorbed systemically and the drug is not known to have a potential for indirect harm to the fetus. It may contain information about the established pregnancy category classification for the drug. (That information is nominally listed in the teratogenic_effects field, but may be listed here instead.)
8.1 Pregnancy There are no adequate and well-controlled studies of nateglinide in pregnant women. It is unknown whether nateglinide can cause fetal harm when administered to a pregnant woman. Nateglinide tablets should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. In the rabbit, embryonic development was adversely affected and the incidence of gall bladder agenesis or small gallbladder was increased at a dose of 500 mg/kg (approximately 27 times the human therapeutic exposure of 120 mg three times daily, based on body surface area). Nateglinide was not teratogenic in rats at doses up to 1,000 mg/kg (approximately 27 times the human therapeutic exposure based on body surface area).

Use in specific populations

Information about use of the drug by patients in specific populations, including pregnant women and nursing mothers, pediatric patients, and geriatric patients.
8 USE IN SPECIFIC POPULATIONS 8.1 Pregnancy There are no adequate and well-controlled studies of nateglinide in pregnant women. It is unknown whether nateglinide can cause fetal harm when administered to a pregnant woman. Nateglinide tablets should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. In the rabbit, embryonic development was adversely affected and the incidence of gall bladder agenesis or small gallbladder was increased at a dose of 500 mg/kg (approximately 27 times the human therapeutic exposure of 120 mg three times daily, based on body surface area). Nateglinide was not teratogenic in rats at doses up to 1,000 mg/kg (approximately 27 times the human therapeutic exposure based on body surface area). 8.3 Nursing Mothers It is not known whether nateglinide is excreted in human milk. Nateglinide is excreted in rat milk. Offspring of rats exposed to 1,000 mg/kg nateglinide (approximately 27 times the human therapeutic exposure of 120 mg three times daily, based on body surface area) had lower body weight. Because the potential for hypoglycemia in nursing infants may exist, a decision should be made as to whether nateglinide should be discontinued in nursing mothers, or if mothers should discontinue nursing. 8.4 Pediatric Use The safety and effectiveness of nateglinide have not been established in pediatric patients. 8.5 Geriatric Use 436 patients 65 years and older, and 80 patients 75 years and older were exposed to nateglinide in clinical studies. No differences were observed in safety or efficacy of nateglinide tablets between patients age 65 and over, and those under age 65. However, greater sensitivity of some older individuals to nateglinide tablets therapy cannot be ruled out. 8.6 Renal Impairment No dosage adjustment is recommended in patients with mild to severe renal impairment [see Clinical Pharmacology (12.3) ]. 8. 7 Hepatic Impairment No dose adjustment is recommended for patients with mild hepatic impairment. Use of nateglinide in patients with moderate-to-severe hepatic impairment has not been studied and therefore, should be used with caution in these patients [see Clinical Pharmacology (12.3) ].

How supplied

Information about the available dosage forms to which the labeling applies, and for which the manufacturer or distributor is responsible. This field ordinarily includes the strength of the dosage form (in metric units), the units in which the dosage form is available for prescribing, appropriate information to facilitate identification of the dosage forms (such as shape, color, coating, scoring, and National Drug Code), and special handling and storage condition information.
16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied 60 mg Nateglinide tablets, USP 60 mg are supplied as pink, round, beveled edge tablet with "C" debossed on one side and "123" on the other side. NDC Number Size NDC 75834-205-01 bottle of 100 120 mg Nateglinide tablets, USP 120 mg are supplied as yellow, ovaloid tablet with "C" debossed on one side and "125" on the other side. NDC Number Size NDC 75834-206-01 bottle of 100 Storage and Handling Store at 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature.] Dispense in a tight container (USP).
NDC NumberSize
NDC 75834-205-01bottle of 100
NDC NumberSize
NDC 75834-206-01bottle of 100

Storage and handling

Information about safe storage and handling of the drug product.
Storage and Handling Store at 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature.] Dispense in a tight container (USP).

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