About The Drug Phentermine Hydrochloride aka Adipex-P

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Find Phentermine Hydrochloride side effects, uses, warnings, interactions and indications. Phentermine Hydrochloride is also known as Adipex-P.

Phentermine Hydrochloride

Phentermine Hydrochloride Prescription Drug Bottle
About Phentermine Hydrochloride aka Adipex-P

What's The Definition Of The Medical Condition Phentermine Hydrochloride?

Clinical Pharmacology

CLINICAL PHARMACOLOGY Mechanism of Action Suprenza is a sympathomimetic amine with pharmacologic activity similar to the prototype drugs of this class used in obesity, amphetamine (d- and dll-amphetamine). Drugs of this class used in obesity are commonly known as “anorectics” or “anorexigenics.” It has not been established that the primary action of such drugs in treating obesity is one of appetite suppression since other central nervous system actions, or metabolic effects, may also be involved. Pharmacodynamics Typical actions of amphetamines include central nervous system stimulation and elevation of blood pressure. Tachyphylaxis and tolerance have been demonstrated with all drugs of this class in which these phenomena have been looked for. Pharmacokinetics In terms of rate and extent of exposure, phentermine orally disintegrating tablets are equivalent to phentermine capsules and tablets administered under fasting conditions. Following the administration of the oral disintegrating tablet (ODT), phentermine reaches peak concentrations (Cmax) after 3.0 to 4.4 hours. Swallowing the ODT after disintegration with or without water did not affect the extent (AUC) of phentermine exposure. Administration of the ODT after a high fat/high calorie breakfast decreased the Cmax of phentermine by approximately 5% and the AUC by approximately 12%. Despite the decrease in Cmax and AUC, phentermine ODT can be administered with or without food. Swallowing the ODT without prior disintegration decreased the Cmax of phentermine by approximately 7% and the AUC by approximately 8% compared to swallowing the ODT after disintegration. Drug Interactions In a single-dose study comparing the exposures after oral administration of a combination capsule of 15 mg phentermine and 92 mg topiramate to the exposures after oral administration of a 15 mg phentermine capsule or a 92 mg topiramate capsule, there is no significant topiramate exposure change in the presence of phentermine. However in the presence of topiramate, phentermine Cmax and AUC increase 13% and 42%, respectively. Specific Populations Renal Impairment Suprenza was not studied in patients with renal impairment. The literature reported cumulative urinary excretion of phentermine under uncontrolled urinary pH conditions is 62%-85%. Exposure increases can be expected in patients with renal impairment. Use caution when administering Suprenza to patients with renal impairment. Clinical Studies No clinical studies have been conducted with Suprenza. In relatively short-term clinical trials, adult obese subjects instructed in dietary management and treated with “anorectic” drugs lost more weight on the average than those treated with placebo and diet. The magnitude of increased weight loss of drug-treated patients over placebo-treated patients is only a fraction of a pound a week. The rate of weight loss is greatest in the first weeks of therapy for both drug and placebo subjects and tends to decrease in succeeding weeks. The possible origins of the increased weight loss due to the various drug effects are not established. The amount of weight loss associated with the use of an “anorectic” drug varies from trial to trial, and the increased weight loss appears to be related in part to variables other than the drugs prescribed, such as the physician-investigator, the population treated and the diet prescribed. Studies do not permit conclusions as to the relative importance of the drug and non-drug factors on weight loss. The natural history of obesity is measured over several years, whereas the studies cited are restricted to a few weeks' duration; thus, the total impact of drug-induced weight loss over that of diet alone must be considered clinically limited.

Clinical Pharmacology

CLINICAL PHARMACOLOGY Mechanism Of Action ADIPEX-P® is a sympathomimetic amine with pharmacologic activity similar to the prototype drugs of this class used in obesity, amphetamine (d- and dll-amphetamine). Drugs of this class used in obesity are commonly known as “anorectics” or “anorexigenics.” It has not been established that the primary action of such drugs in treating obesity is one of appetite suppression since other central nervous system actions, or metabolic effects, may also be involved. Pharmacodynamics Typical actions of amphetamines include central nervous system stimulation and elevation of blood pressure. Tachyphylaxis and tolerance have been demonstrated with all drugs of this class in which these phenomena have been looked for. Pharmacokinetics Following the administration of phentermine, phentermine reaches peak concentrations (C ) after 3.0 to 4.4 hours. Drug Interactions In a single-dose study comparing the exposures after oral administration of a combination capsule of 15 mg phentermine and 92 mg topiramate to the exposures after oral administration of a 15 mg phentermine capsule or a 92 mg topiramate capsule, there is no significant topiramate exposure change in the presence of phentermine. However in the presence of topiramate, phentermine C and AUC increase 13% and 42%, respectively. Specific Populations Renal Impairment Cumulative urinary excretion of phentermine under uncontrolled urinary pH conditions was 62% to 85%. Systemic exposure of phentermine may increase up to 91%, 45%, and 22% in patients with severe, moderate, and mild renal impairment, respectively [see DOSAGE AND ADMINISTRATION and Use In Specific Populations]. Clinical Studies No clinical studies have been conducted with ADIPEX-P® . In relatively short-term clinical trials, adult obese subjects instructed in dietary management and treated with “anorectic” drugs lost more weight on the average than those treated with placebo and diet. The magnitude of increased weight loss of drug-treated patients over placebo-treated patients is only a fraction of a pound a week. The rate of weight loss is greatest in the first weeks of therapy for both drug and placebo subjects and tends to decrease in succeeding weeks. The possible origins of the increased weight loss due to the various drug effects are not established. The amount of weight loss associated with the use of an “anorectic” drug varies from trial to trial, and the increased weight loss appears to be related in part to variables other than the drugs prescribed, such as the physician investigator, the population treated and the diet prescribed. Studies do not permit conclusions as to the relative importance of the drug and non-drug factors on weight loss. The natural history of obesity is measured over several years, whereas the studies cited are restricted to a few weeks’ duration; thus, the total impact of drug-induced weight loss over that of diet alone must be considered clinically limited.

Drug Description

SUPRENZA™ (phentermine hydrochloride) Orally Disintegrating Tablets DESCRIPTION Suprenza is an orally disintegrating tablet (ODT) of phentermine hydrochloride, USP. Phentermine hydrochloride is a sympathomimetic amine anorectic. Its chemical name is α,α,dimethylphenethylamine hydrochloride. The structural formula is as follows: C10H15N • HCl M.W. 185.7 Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether. Suprenza is available as an orally disintegrating tablet (ODT) containing 15 mg, 30 mg, or 37.5 mg of phentermine hydrochloride (equivalent to 12 mg, 24 mg, or 30 mg of phentermine base). Suprenza contains the inactive ingredients mannitol powder, citric acid powder, Povidone CL, Povidone K 30, sucralose, magnesium stearate, peppermint flavor, talc, sodium lauryl sulfate, and mannitol pregranulated. Suprenza 15 mg ODT also contains FD&C Blue # 1 lake and FD&C Yellow # 5 lake. Suprenza 30 mg ODT also contains FD&C Yellow # 5 lake. Suprenza 37.5 mg ODT also contains FD&C Blue # 1 lake.

Drug Description

Find Lowest Prices on ADIPEX-P® (phentermine hydrochloride) Capsules DESCRIPTION Phentermine hydrochloride USP is a sympathomimetic amine anorectic. It has the chemical name of α,α,- Dimethylphenethylamine hydrochloride. The structural formula is as follows: C10H15N•HCl M.W. 185.7 Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether. ADIPEX-P® , an anorectic agent for oral administration, is available as a capsule or tablet containing 37.5 mg of phentermine hydrochloride (equivalent to 30 mg of phentermine base). ADIPEX-P® Capsules contain the inactive ingredients Black Iron Oxide, Corn Starch, D&C Red #33, FD&C Blue #1, Gelatin, Lactose Monohydrate, Magnesium Stearate, Propylene Glycol, Shellac, and Titanium Dioxide. ADIPEX-P® Tablets contain the inactive ingredients Corn Starch, Lactose (Anhydrous), Magnesium Stearate, Microcrystalline Cellulose, Pregelatinized Starch, Sucrose, and FD&C Blue #1.

Indications & Dosage

INDICATIONS Suprenza is indicated as a short-term (a few weeks) adjunct in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity for patients with an initial body mass index greater than or equal to 30 kg/m² , or greater than or equal to 27 kg/m² in the presence of other risk factors (e.g., controlled hypertension, diabetes, hyperlipidemia). Below is a chart of body mass index (BMI) based on various heights and weights. BMI is calculated by taking the patient's weight, in kilograms (kg), divided by the patient's height, in meters (m), squared. Metric conversions are as follows: pounds รท 2.2 = kg; inches x 0.0254 = meters. BODY MASS INDEX (BMI), kg/m² Height (feet, inches) Weight (pounds) 5'0” 5'3” 5'6” 5'9” 6'0” 6'3” 140 27 25 23 21 19 18 150 29 27 24 22 20 19 160 31 28 26 24 22 20 170 33 30 28 25 23 21 180 35 32 29 27 25 23 190 37 34 31 28 26 24 200 39 36 32 30 27 25 210 41 37 34 31 29 26 220 43 39 36 33 30 28 230 45 41 37 34 31 29 240 47 43 39 36 33 30 250 49 44 40 37 34 31 The limited usefulness of agents of this class, including Suprenza, [see CLINICAL PHARMACOLOGY] should be measured against possible risk factors inherent in their use such as those described below. DOSAGE AND ADMINISTRATION Exogenous Obesity Dosage should be individualized to obtain an adequate response with the lowest effective dose. The usual adult dose is one tablet as prescribed by the physician, administered in the morning, with or without food. Suprenza is not recommended for use in pediatric patients less than or equal to 16 years of age. Late evening medication should be avoided because of the possibility of resulting insomnia. With dry hands, gently remove the Suprenza (phentermine hydrochloride ODT) tablet from the bottle. Immediately place the Suprenza tablet on top of the tongue where it will dissolve, then swallow with or without water. HOW SUPPLIED Dosage Forms And Strengths Orally disintegrating tablets (ODT) containing 15 mg, 30 mg, or 37.5 mg phentermine hydrochloride (equivalent to 12 mg, 24 mg, or 30 mg phentermine base, respectively). The tablets are not scored. The 15 mg ODT is a yellow with blue spots round tablet embossed with AX4 on one side. The 30 mg ODT is a yellow round tablet embossed with AX7 on one side. The 37.5 mg ODT is a white with blue spots round tablet embossed with AX8 on one side. Storage And Handling Available as orally disintegrating tablets (ODT) containing 15 mg, 30 mg, or 37.5 mg of phentermine hydrochloride (equivalent to 12 mg, 24 mg, or 30 mg phentermine base, respectively). The tablets are not scored. The 15 mg ODT is a yellow with blue spots round tablet embossed with AX4 on one side. The 30 mg ODT is a yellow round tablet embossed with AX7 on one side. The 37.5 mg ODT is a white with blue spots round tablet embossed with AX8 on one side. Suprenza is available as described in Table 2. Table 2: Suprenza Orally Disintegrating Tablet Presentations Tablet Strength Tablet Color/Shape Tablet Markings NDC Code 15 mg Round, embossed tablets Yellow with blue spots AX4 on one side NDC:24090 720 30 mg Round, embossed tablets Yellow AX7 on one side NDC:24090 721 37.5 mg Round, embossed tablets White with blue spots AX8 on one side NDC:24090 722 Suprenza 15 mg, 30 mg, and 37.5 mg ODT are packaged in bottles of 30. Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. Dispense in a tight container as defined in the USP, with a child-resistant closure (as required). Keep out of the reach of children. Manufactured for Akrimax Pharmaceuticals, LLC Cranford, NJ 07016. by: Alpex Pharma SA, Lugano, Switzerland. Marketed and Distributed by: Akrimax Pharmaceuticals, LLC Cranford, NJ 07016. Revised: 06/2013

Indications & Dosage

INDICATIONS ADIPEX-P® is indicated as a short-term (a few weeks) adjunct in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity for patients with an initial body mass index greater than or equal to 30 kg/m2, or greater than or equal to 27 kg/m2 in the presence of other risk factors (e.g., controlled hypertension, diabetes, hyperlipidemia). Below is a chart of body mass index (BMI) based on various heights and weights. BMI is calculated by taking the patient’s weight, in kilograms (kg), divided by the patient’s height, in meters (m), squared. Metric conversions are as follows: pounds ÷ 2.2 = kg; inches x 0.0254 = meters. The limited usefulness of agents of this class, including ADIPEX-P®, [see CLINICAL PHARMACOLOGY] should be measured against possible risk factors inherent in their use such as those described below. DOSAGE AND ADMINISTRATION Exogenous Obesity Dosage should be individualized to obtain an adequate response with the lowest effective dose. The usual adult dose is one capsule (37.5 mg) daily as prescribed by the physician, administered before breakfast or 1 to 2 hours after breakfast for appetite control. The usual adult dose is one tablet (37.5 mg) daily as prescribed by the physician, administered before breakfast or 1 to 2 hours after breakfast. The dosage may be adjusted to the patient’s need. For some patients, half tablet (18.75 mg) daily may be adequate, while in some cases it may be desirable to give half tablets (18.75 mg) two times a day. ADIPEX-P® is not recommended for use in pediatric patients less than or equal to 16 years of age. Late evening medication should be avoided because of the possibility of resulting insomnia. Dosage In Patients With Renal Impairment The recommended maximum dosage of ADIPEX-P® is 15 mg daily for patients with severe renal impairment (eGFR 15 to 29 mL/min/1.73 m2 ). Avoid use of ADIPEX-P® in patients with eGFR less than 15 mL/min/1.73 m2 or end-stage renal disease requiring dialysis [see Use In Specific Populations and CLINICAL PHARMACOLOGY]. HOW SUPPLIED Dosage Forms And Strengths Capsules containing 37.5 mg phentermine hydrochloride (equivalent to 30 mg phentermine base). Tablets containing 37.5 mg phentermine hydrochloride (equivalent to 30 mg phentermine base). Storage And Handling Available in tablets and capsules containing 37.5 mg phentermine hydrochloride (equivalent to 30 mg phentermine base). Each blue and white, oblong, speckled, scored tablet is debossed with “ADIPEX-P” and “9”-“9”. The #3 capsule has an opaque white body and an opaque bright blue cap. Each capsule is imprinted with “ADIPEX-P” - “37.5” on the cap and two stripes on the body using dark blue ink. Tablets are packaged in bottles of 30 (NDC 57844-009-56); 100 (NDC 57844-009-01); and 1000 (NDC 57844-009-10). Capsules are packaged in bottles of 100 (NDC 57844-019-01). Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. Dispense in a tight container as defined in the USP, with a child-resistant closure (as required). KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN. Manufactured By: Pliva Hrvats ka d.o.o. Zagreb, Croatia. Revised: March 2017

Medication Guide

PATIENT INFORMATION Patients must be informed that Suprenza is a short-term (a few weeks) adjunct in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity, and that coadministration of phentermine with other drugs for weight loss is not recommended [see INDICATIONS AND USAGE and WARNINGS AND PRECAUTIONS]. Patients must be instructed on how much Suprenza to take, and when and how to take it [see DOSAGE AND ADMINISTRATION]. Advise pregnant women and nursing mothers not to use Suprenza (see Use In Specific Populations]. Patients must be informed about the risks of use of phentermine (including the risks discussed in Warnings and Precautions), about the symptoms of potential adverse reactions and when to contact a physician and/or take other action. The risks include, but are not limited to: Development of primary pulmonary hypertension [see WARNINGS AND PRECAUTIONS] Development of serious valvular heart disease [see WARNINGS AND PRECAUTIONS] Effects on the ability to engage in potentially hazardous tasks [see WARNINGS AND PRECAUTIONS] The risk of an increase in blood pressure [see WARNINGS AND PRECAUTIONS and ADVERSE REACTIONS] The risk of interactions [see CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS and DRUG INTERACTIONS] See also, for example, ADVERSE REACTIONS and Use in Specific Populations. The patients must also be informed about the potential for developing tolerance and actions if they suspect development of tolerance [see WARNINGS AND PRECAUTIONS] and the risk of dependence and the potential consequences of abuse [see WARNINGS AND PRECAUTIONS, Drug Abuse and Dependence, and OVERDOSAGE]. Tell patients to keep Suprenza in a safe place to prevent theft, accidental overdose, misuse or abuse. Selling or giving away Suprenza may harm others and is against the law.

Medication Guide

PATIENT INFORMATION Patients must be informed that ADIPEX-P® is a short-term (a few weeks) adjunct in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity, and that coadministration of phentermine with other drugs for weight loss is not recommended [see INDICATIONS AND USAGE and WARNINGS AND PRECAUTIONS]. Patients must be instructed on how much ADIPEX-P® to take, and when and how to take it [see DOSAGE AND ADMINISTRATION]. Advise pregnant women and nursing mothers not to use ADIPEX-P® [see Use In Specific Populations ]. Patients must be informed about the risks of use of phentermine (including the risks discussed in Warnings and Precautions), about the symptoms of potential adverse reactions and when to contact a physician and/or take other action. The risks include, but are not limited to: Development of primary pulmonary hypertension [see WARNINGS AND PRECAUTIONS] Development of serious valvular heart disease [see WARNINGS AND PRECAUTIONS] Effects on the ability to engage in potentially hazardous tasks [see WARNINGS AND PRECAUTIONS] The risk of an increase in blood pressure [see WARNINGS AND PRECAUTIONS and ADVERSE REACTIONS] The risk of interactions [see CONTRAINDICATIONS , WARNINGS AND PRECAUTIONS and DRUG INTERACTIONS] See also, for example, ADVERSE REACTIONS and Use In Specific Populations . The patients must also be informed about the potential for developing tolerance and actions if they suspect development of tolerance [see WARNINGS AND PRECAUTIONS] and the risk of dependence and the potential consequences of abuse [see WARNINGS AND PRECAUTIONS , Drug Abuse And Dependence and OVERDOSE]. Tell patients to keep ADIPEX-P® in a safe place to prevent theft, accidental overdose, misuse or abuse. Selling or giving away ADIPEX-P® may harm others and is against the law. All trademarks are the property of their respective owners.

Overdosage & Contraindications

Side Effects & Drug Interactions

SIDE EFFECTS The following adverse reactions are described, or described in greater detail, in other sections: Primary pulmonary hypertension [see WARNINGS AND PRECAUTIONS] Valvular heart disease [see WARNINGS AND PRECAUTIONS] Effect on the ability to engage in potentially hazardous tasks [see WARNINGS AND PRECAUTIONS] Withdrawal effects following prolonged high dosage administration [see Drug Abuse and Dependence)] The following adverse reactions to phentermine have been identified: Cardiovascular Primary pulmonary hypertension and/or regurgitant cardiac valvular disease, palpitation, tachycardia, elevation of blood pressure, ischemic events. Central Nervous System Overstimulation, restlessness, dizziness, insomnia, euphoria, dysphoria, tremor, headache, psychosis. Gastrointestinal Dryness of the mouth, unpleasant taste, diarrhea, constipation, other gastrointestinal disturbances. Allergic Urticaria. Endocrine Impotence, changes in libido. DRUG INTERACTIONS Monoamine Oxidase Inhibitors Use of Suprenza is contraindicated during or within 14 days following the administration of monoamine oxidase inhibitors because of the risk of hypertensive crisis. Alcohol Concomitant use of alcohol with Suprenza may result in an adverse drug reaction. Insulin and Oral Hypoglycemic Medications Requirements may be altered [see WARNINGS AND PRECAUTIONS]. Adrenergic Neuron Blocking Drugs Suprenza may decrease the hypotensive effect of adrenergic neuron blocking drugs. Drug Abuse And Dependence Controlled Substance Phentermine is a Schedule IV controlled substance. Abuse Phentermine is related chemically and pharmacologically to the amphetamines. Amphetamines and other stimulant drugs have been extensively abused and the possibility of abuse of phentermine should be kept in mind when evaluating the desirability of including a drug as part of a weight reduction program. Dependence Abuse of amphetamines and related drugs may be associated with intense psychological dependence and severe social dysfunction. There are reports of patients who have increased the dosage of these drugs to many times that recommended. Abrupt cessation following prolonged high dosage administration results in extreme fatigue and mental depression; changes are also noted on the sleep EEG. Manifestations of chronic intoxication with anorectic drugs include severe dermatoses, marked insomnia, irritability, hyperactivity and personality changes. A severe manifestation of chronic intoxication is psychosis, often clinically indistinguishable from schizophrenia.

Side Effects & Drug Interactions

SIDE EFFECTS The following adverse reactions are described, or described in greater detail, in other sections: Primary pulmonary hypertension [see WARNINGS AND PRECAUTIONS] Valvular heart disease [see WARNINGS AND PRECAUTIONS] Effect on the ability to engage in potentially hazardous tasks [see WARNINGS AND PRECAUTIONS] Withdrawal effects following prolonged high dosage administration [see Drug Abuse And Dependence] The following adverse reactions to phentermine have been identified: Cardiovascular Primary pulmonary hypertension and/or regurgitant cardiac valvular disease, palpitation, tachycardia, elevation of blood pressure, ischemic events. Central Nervous System Overstimulation, restlessness, dizziness, insomnia, euphoria, dysphoria, tremor, headache, psychosis. Gastrointestinal Dryness of the mouth, unpleasant taste, diarrhea, constipation, other gastrointestinal disturbances. Allergic Urticaria. Endocrine Impotence, changes in libido. DRUG INTERACTIONS Monoamine Oxidase Inhibitors Use of ADIPEX-P® is contraindicated during or within 14 days following the administration of monoamine oxidase inhibitors because of the risk of hypertensive crisis. Alcohol Concomitant use of alcohol with ADIPEX-P® may result in an adverse drug reaction. Insulin And Oral Hypoglycemic Medications Requirements may be altered [see WARNINGS AND PRECAUTIONS]. Adrenergic Neuron Blocking Drugs ADIPEX-P® may decrease the hypotensive effect of adrenergic neuron blocking drugs. Drug Abuse And Dependence Controlled Substance Phentermine is a Schedule IV controlled substance. Abuse Phentermine is related chemically and pharmacologically to the amphetamines. Amphetamines and other stimulant drugs have been extensively abused and the possibility of abuse of phentermine should be kept in mind when evaluating the desirability of including a drug as part of a weight reduction program. Dependence Abuse of amphetamines and related drugs may be associated with intense psychological dependence and severe social dysfunction. There are reports of patients who have increased the dosage of these drugs to many times that recommended. Abrupt cessation following prolonged high dosage administration results in extreme fatigue and mental depression; changes are also noted on the sleep EEG. Manifestations of chronic intoxication with anorectic drugs include severe dermatoses, marked insomnia, irritability, hyperactivity and personality changes. A severe manifestation of chronic intoxication is psychosis, often clinically indistinguishable from schizophrenia.

Warnings & Precautions

WARNINGS Included as part of the PRECAUTIONS section. PRECAUTIONS Coadministration with Other Drug Products for Weight Loss Suprenza is indicated only as short-term (a few weeks) monotherapy for the management of exogenous obesity. The safety and efficacy of combination therapy with Suprenza and any other drug products for weight loss including prescribed drugs, over-the-counter preparations, and herbal products, or serotonergic agents such as selective serotonin reuptake inhibitors (e.g., fluoxetine, sertraline, fluvoxamine, paroxetine), have not been established. Therefore, coadministration of Suprenza and these drug products is not recommended. Primary Pulmonary Hypertension Primary Pulmonary Hypertension (PPH) – a rare, frequently fatal disease of the lungs – has been reported to occur in patients receiving a combination of phentermine with fenfluramine or dexfenfluramine. The possibility of an association between PPH and the use of Suprenza alone cannot be ruled out; there have been rare cases of PPH in patients who reportedly have taken phentermine alone. The initial symptom of PPH is usually dyspnea. Other initial symptoms may include angina pectoris, syncope or lower extremity edema. Patients should be advised to report immediately any deterioration in exercise tolerance. Treatment should be discontinued in patients who develop new, unexplained symptoms of dyspnea, angina pectoris, syncope or lower extremity edema, and patients should be evaluated for the possible presence of pulmonary hypertension. Valvular Heart Disease Serious regurgitant cardiac valvular disease, primarily affecting the mitral, aortic and/or tricuspid valves, has been reported in otherwise healthy persons who had taken a combination of phentermine with fenfluramine or dexfenfluramine for weight loss. The possible role of phentermine in the etiology of these valvulopathies has not been established and their course in individuals after the drugs are stopped is not known. The possibility of an association between valvular heart disease and the use of Suprenza alone cannot be ruled out; there have been rare cases of valvular heart disease in patients who reportedly have taken phentermine alone. Development of Tolerance, Discontinuation in Case of Tolerance When tolerance to the anorectant effect develops, the recommended dose should not be exceeded in an attempt to increase the effect; rather, the drug should be discontinued. Effect on the Ability to Engage in Potentially Hazardous Tasks Suprenza may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; the patient should therefore be cautioned accordingly. Risk of Abuse and Dependence Suprenza is related chemically and pharmacologically to amphetamine (d- and dll-amphetamine) and to other related stimulant drugs that have been extensively abused. The possibility of abuse of Suprenza should be kept in mind when evaluating the desirability of including a drug as part of a weight reduction program. See Drug Abuse and Dependence and OVERDOSAGE. The least amount feasible should be prescribed or dispensed at one time in order to minimize the possibility of overdosage. Usage with Alcohol Concomitant use of alcohol with Suprenza may result in an adverse drug reaction. Use in Patients with Hypertension Use caution in prescribing Suprenza for patients with even mild hypertension (risk of increase in blood pressure). Use in Patients on Insulin or Oral Hypoglycemic Medications for Diabetes Mellitus A reduction in insulin or oral hypoglycemic medications in patients with diabetes mellitus may be required. Risk of Allergic Reactions due to Tartrazine Suprenza 15 mg and 30 mg ODT contains FD&C Yellow No. 5 (tartrazine), which may cause allergic-type reactions (including bronchial asthma) in certain susceptible individuals. Although the overall incidence of FD&C Yellow No. 5 (tartrazine) sensitivity in the general population is low, it is frequently seen in patients who also have aspirin hypersensitivity. Nonclinical Toxicology Carcinogenesis, Mutagenesis, Impairment of Fertility Studies have not been performed with Suprenza to determine the potential for carcinogenesis, mutagenesis or impairment of fertility. Use In Specific Populations Pregnancy Pregnancy Category X Suprenza is contraindicated during pregnancy because weight loss offers no potential benefit to a pregnant woman and may result in fetal harm. A minimum weight gain, and no weight loss, is currently recommended for all pregnant women, including those who are already overweight or obese, due to obligatory weight gain that occurs in maternal tissues during pregnancy. Phentermine has pharmacologic activity similar to amphetamine (d- and dllamphetamine) [see CLINICAL PHARMACOLOGY]. Animal reproduction studies have not been conducted with phentermine. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus. Nursing Mothers It is not known if Suprenza is excreted in human milk; however, other amphetamines are present in human milk. Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. Pediatric Use Safety and effectiveness in pediatric patients have not been established. Because pediatric obesity is a chronic condition requiring long-term treatment, the use of this product, approved for short-term therapy, is not recommended. Geriatric Use In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function. Renal Impairment Suprenza was not studied in patients with renal impairment. Based on the reported excretion of phentermine in urine, exposure increases can be expected in patients with renal impairment. Use caution when administering Suprenza to patients with renal impairment [see CLINICAL PHARMACOLOGY].

Warnings & Precautions

WARNINGS Included as part of the "PRECAUTIONS" Section PRECAUTIONS Coadministration With Other Drug Products For Weight Loss ADIPEX-P® is indicated only as short-term (a few weeks ) monotherapy for the management of exogenous obesity. The safety and efficacy of combination therapy with ADIPEX-P® and any other drug products for weight loss including prescribed drugs, over-the-counter preparations, and herbal products, or serotonergic agents such as selective serotonin reuptake inhibitors (e.g., fluoxetine, sertraline, fluvoxamine, paroxetine), have not been established. Therefore, coadministration of ADIPEX-P® and these drug products is not recommended. Primary Pulmonary Hypertension Primary Pulmonary Hypertension (PPH) – a rare, frequently fatal disease of the lungs – has been reported to occur in patients receiving a combination of phentermine with fenfluramine or dexfenfluramine. The possibility of an association between PPH and the use of ADIPEX-P® alone cannot be ruled out; there have been rare cases of PPH in patients who reportedly have taken phentermine alone. The initial symptom of PPH is usually dyspnea. Other initial symptoms may include angina pectoris, syncope or lower extremity edema. Patients should be advised to report immediately any deterioration in exercise tolerance. Treatment should be discontinued in patients who develop new, unexplained symptoms of dyspnea, angina pectoris, syncope or lower extremity edema, and patients should be evaluated for the possible presence of pulmonary hypertension. Valvular Heart Disease Serious regurgitant cardiac valvular disease, primarily affecting the mitral, aortic and/or tricus pid valves, has been reported in otherwise healthy persons who had taken a combination of phentermine with fenfluramine or dexfenfluramine for weight loss. The possible role of phentermine in the etiology of these valvulopathies has not been established and their course in individuals after the drugs are stopped is not known. The possibility of an association between valvular heart disease and the use of ADIPEX-P® alone cannot be ruled out; there have been rare cases of valvular heart disease in patients who reportedly have taken phentermine alone. Development Of Tolerance, Discontinuation In Case Of Tolerance When tolerance to the anorectant effect develops, the recommended dose should not be exceeded in an attempt to increase the effect; rather, the drug should be discontinued. Effect On The Ability To Engage In Potentially Hazardous Tasks ADIPEX-P® may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; the patient should therefore be cautioned accordingly. Risk Of Abuse And Dependence ADIPEX-P® is related chemically and pharmacologically to amphetamine (d- and dll-amphetamine) and to other related stimulant drugs that have been extensively abused. The possibility of abuse of ADIPEX-P® should be kept in mind when evaluating the desirability of including a drug as part of a weight reduction program. See Drug Abuse And Dependence and OVERDOSE. The least amount feasible should be prescribed or dispensed at one time in order to minimize the possibility of overdosage. Usage With Alcohol Concomitant use of alcohol with ADIPEX-P® may result in an adverse drug reaction. Use In Patients With Hypertension Use caution in prescribing ADIPEX-P® for patients with even mild hypertension (risk of increase in blood pressure). Use In Patients On Insulin Or Oral Hypoglycemic Medications For Diabetes Mellitus A reduction in insulin or oral hypoglycemic medications in patients with diabetes mellitus may be required. Nonclinical Toxicology Carcinogenesis, Mutagenesis, Impairment Of Fertility Studies have not been performed with phentermine to determine the potential for carcinogenesis, mutagenesis or impairment of fertility. Use In Specific Populations Pregnancy Pregnancy Category X ADIPEX-P® is contraindicated during pregnancy because weight loss offers no potential benefit to a pregnant woman and may result in fetal harm. A minimum weight gain, and no weight loss, is currently recommended for all pregnant women, including those who are already overweight or obese, due to obligatory weight gain that occurs in maternal tissues during pregnancy. Phentermine has pharmacologic activity similar to amphetamine (d- and dll-amphetamine) [see CLINICAL PHARMACOLOGY ]. Animal reproduction studies have not been conducted with phentermine. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus. Nursing Mothers It is not known if ADIPEX-P® is excreted in human milk; however, other amphetamines are present in human milk. Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. Pediatric Use Safety and effectiveness in pediatric patients have not been established. Because pediatric obesity is a chronic condition requiring long-term treatment, the use of this product, approved for short-term therapy, is not recommended. Geriatric Use In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function. Renal Impairment Based on the reported excretion of phentermine in urine, exposure increases can be expected in patients with renal impairment [see CLINICAL PHARMACOLOGY]. Use caution when administering ADIPEX-P® to patients with renal impairment. In patients with severe renal impairment (eGFR 15 to 29 mL/min/1.73 m2 ), limit the dosage of ADIPEX-P® to 15 mg daily [see DOSAGE AND ADMINISTRATION]. ADIPEX-P® has not been studied in patients with eGFR less than 15 mL/min/1.73 m2, including end-stage renal disease requiring dialysis; avoid use in these populations.

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