Osmolex ER by is a Prescription medication manufactured, distributed, or labeled by Vertical Pharmaceuticals, LLC. Drug facts, warnings, and ingredients follow.
Extended-release tablets containing 129 mg, 193 mg, or 258 mg amantadine (3)
OSMOLEX ER is contraindicated in patients with end-stage renal disease (4)
Most common adverse reactions (incidence ≥ 5%) are nausea, dizziness/lightheadedness, and insomnia (6.1)
To report SUSPECTED ADVERSE REACTIONS, contact Vertical Pharmaceuticals, LLC at 1-877-482-3788 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch
See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.
Revised: 10/2019
The recommended initial dosage of OSMOLEX ER is 129 mg administered orally once daily in the morning. The dosage may be increased in weekly intervals to a maximum daily dose of 322 mg (administered as a 129 mg and 193 mg tablet), taken in the morning.
OSMOLEX ER is not interchangeable with other amantadine immediate- or extended-release products.
For patients unable to tolerate more than 100 mg per day of immediate-release amantadine, there is no equivalent dose or dosing regimen of OSMOLEX ER.
OSMOLEX ER should be swallowed whole. Do not chew, crush, or divide tablets. OSMOLEX ER can be administered without regard to food.
There are no modifications for the recommended initial and maximum dosage in patients with renal impairment; however, modifications are recommended for the titration interval and frequency of dosing in patients with moderate and severe renal impairment (see Table 1).
Table 1: Recommended Titration and Frequency of OSMOLEX ER Dosing in Patients with Renal Impairment
Renal Function/Estimated GFR (mL/min/1.73 m2)*
|
Minimum Titration Interval |
Frequency of Dosing Regimen |
Mild renal impairment (60 to 89) |
Increase every week |
One dose every 24 hours |
Moderate renal impairment (30 to 59) |
Increase every 3 weeks |
One dose every 48 hours |
Severe renal impairment (15 to 29) |
Increase every 4 weeks |
One dose every 96 hours |
End-Stage Renal Disease (below 15) |
Contraindicated |
* estimated by Modification of Diet in Renal Disease (MDRD) method
Monitor patients with renal impairment for change in renal function, especially in those with severe renal impairment receiving the maximum daily dosage of 322 mg [see Use in Specific Populations (8.6)].
OSMOLEX ER should not be discontinued abruptly. The dose should be reduced gradually from higher doses to 129 mg daily for 1 to 2 weeks before discontinuing [see Warnings and Precautions (5.5)].
If a dose of OSMOLEX ER is missed, the next dose should be taken as scheduled.
OSMOLEX ER is available as extended-release tablets for oral administration:
OSMOLEX ER is contraindicated in patients with end-stage renal disease (i.e., creatinine clearance below 15 mL/min/1.73 m2) [see Clinical Pharmacology (12.3)].
Patients treated with amantadine have reported falling asleep while engaged in activities of daily living, including the operation of motor vehicles, which sometimes has resulted in accidents. Patients may not perceive warning signs, such as excessive drowsiness, or they may report feeling alert immediately prior to the event.
Before initiating treatment with OSMOLEX ER, advise patients of the potential to develop drowsiness and specifically ask about factors that may increase the risk for somnolence with OSMOLEX ER, such as concomitant sedating medications, alcohol, or the presence of a sleep disorder. If a patient develops daytime sleepiness or episodes of falling asleep during activities that require full attention (e.g., driving a motor vehicle, conversations, eating), OSMOLEX ER should ordinarily be discontinued.
If a decision is made to continue OSMOLEX ER, advise patients not to drive and to avoid other potentially dangerous activities that might result in harm if they become somnolent. There is insufficient information to establish that dose reduction will eliminate episodes of falling asleep while engaged in activities of daily living or daytime somnolence.
Suicide, suicide attempts, and suicidal ideation have been reported in patients with and without prior history of psychiatric illness while treated with amantadine. Amantadine can exacerbate psychiatric symptoms in patients with a history of psychiatric disorders or substance abuse.
Monitor patients for depression, including suicidal ideation or behavior. Prescribers should consider whether the benefits outweigh the risks of treatment with OSMOLEX ER in patients with a history of suicidality or depression.
Patients with a major psychotic disorder should ordinarily not be treated with OSMOLEX ER because of the risk of exacerbating psychosis. Treatment with amantadine or abrupt withdrawal can cause confusion, psychosis, personality changes, agitation, aggressive behavior, hallucinations, paranoia, other psychotic or paranoia reactions [see Warnings and Precautions (5.5)].
Monitor patients for hallucinations throughout treatment but especially after initiation and after the dose of OSMOLEX ER is increased or decreased.
Dizziness and orthostatic hypotension can occur with OSMOLEX ER. Patients should be monitored for these adverse reactions, especially after starting OSMOLEX ER or increasing the dose. Concomitant use of alcohol when using OSMOLEX ER is not recommended [see Drug Interactions (7.4)].
A symptom complex resembling neuroleptic malignant syndrome (characterized by elevated temperature, muscular rigidity, altered consciousness, and autonomic instability), with no other obvious etiology, has been reported in association with rapid dose reduction, withdrawal of, or changes in drugs that increase central dopaminergic tone.
Abrupt discontinuation of OSMOLEX ER may cause an increase in the symptoms of Parkinson’s disease or cause delirium, agitation, delusions, hallucinations, paranoid reaction, stupor, anxiety, depression, or slurred speech. It is recommended to avoid sudden discontinuation of OSMOLEX ER [see Dosage and Administration (2.4)].
Patients can experience intense urges to gamble, increased sexual urges, intense urges to spend money, binge eating, and/or other intense urges, and the inability to control these urges while taking one or more of the medications that increase central dopaminergic tone, including OSMOLEX ER. In some cases, these urges were reported to have stopped when the dose was reduced or the medication was stopped. Because patients may not recognize these behaviors as abnormal, it is important for prescribers to specifically ask patients or their caregivers about the development of new or increased gambling urges, sexual urges, uncontrolled spending, or other urges while being treated with OSMOLEX ER. Consider dose reduction or stopping the medication if a patient develops such urges while taking OSMOLEX ER.
The following serious adverse reactions are described elsewhere in the labeling:
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.
Immediate-Release Amantadine
The adverse reactions listed in Table 2 were identified in clinical studies of immediate-release amantadine. The most common adverse reactions reported in ≥5% of patients at the recommended dosage of immediate-release amantadine were nausea, dizziness/lightheadedness, and insomnia.
Table 2: Incidence of Adverse Reactions from Pooled Studies of Immediate-Release Amantadine
5 to 10% |
1 to 5% |
0.1 to 1% |
Less than 0.1% |
Nausea |
Depression |
Congestive heart failure |
Convulsion |
Dizziness/ lightheadedness |
Anxiety and irritability |
Psychosis |
Leukopenia |
Insomnia |
Hallucinations |
Urinary retention |
Neutropenia |
Confusion |
Dyspnea |
Eczematoid dermatitis |
|
Anorexia |
Skin rash |
Oculogyric episodes |
|
Dry mouth |
Vomiting |
Suicidal attempt |
|
Constipation |
Weakness |
Suicide |
|
Ataxia |
Slurred speech |
Suicidal ideation |
|
Livedo reticularis |
Euphoria | ||
Peripheral edema |
Thinking abnormality | ||
Orthostatic hypotension |
Amnesia | ||
Headache |
Hyperkinesia | ||
Somnolence |
Hypertension | ||
Nervousness |
Decreased libido | ||
Dream abnormality |
Visual disturbance | ||
Agitation |
Punctate subepithelial or other corneal opacity | ||
Dry nose |
Corneal edema | ||
Diarrhea |
Decreased visual acuity | ||
Fatigue |
Sensitivity to light | ||
Optic nerve palsy |
Products with anticholinergic properties may potentiate the anticholinergic-like side effects of amantadine. The dose of anticholinergic drugs or of OSMOLEX ER should be reduced if atropine-like effects appear when these drugs are used concurrently [see Warnings and Precautions (5.4)].
The pH of the urine has been reported to influence the excretion rate of amantadine. Urine pH is altered by diet, drugs (e.g., carbonic anhydrase inhibitors, sodium bicarbonate), and clinical state of the patient (e.g., renal tubular acidosis or severe infections of the urinary tract).
Since the excretion rate of amantadine increases rapidly when the urine is acidic, the administration of urine acidifying drugs may increase the elimination of the drug from the body. Alterations of urine pH towards the alkaline condition may lead to an accumulation of the drug with a possible increase in adverse reactions. Monitor for efficacy or adverse reactions under conditions that alter the urine pH to more acidic or alkaline, respectively.
Risk Summary
There are no adequate data on the developmental risk associated with use of amantadine in pregnant women. Animal studies suggest a potential risk for fetal harm with amantadine. In mice and rats, adverse developmental effects (embryolethality, increased incidence of malformations, and reduced fetal body weight) were observed when amantadine was administered to pregnant animals at clinically relevant doses [see Data].
In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. The background risk for major birth defects and miscarriage for the indicated populations is unknown.
Data
Animal Data
The effects of amantadine on development have not been tested in studies conducted in animals using currently recommended methodology; however, developmental toxicity studies of amantadine have been reported in the published literature.
In mice, oral administration of amantadine (0, 10, or 40 mg/kg/day) to pregnant animals during organogenesis (gestation days 7-12) resulted in embryolethality and reduced fetal body weight at the highest dose tested, which was associated with maternal toxicity. The no-effect dose for developmental toxicity in mice (10 mg/kg/day) is less than the maximum recommended human dose (MRHD) of 322 mg/day, based on body surface area (mg/m2).
In rats, oral administration of amantadine (0, 40 or 120 mg/kg/day) to pregnant animals during organogenesis (gestation days 7-12) resulted in embryolethality and reduced fetal body weight at the highest dose. The no-effect dose for developmental toxicity in this study (40 mg/kg/day) is similar to the MRHD on a mg/m2 basis.
In another study in pregnant rats, oral administration of amantadine during organogenesis (gestation days 7-14) resulted in an increase in visceral and skeletal malformations at oral doses of 50 and 100 mg/kg/day. The no-effect dose for teratogenicity in this study (37 mg/kg/day) is similar to the MRHD on a mg/m2 basis.
Evaluation of parturition, lactation, and post-natal development in a limited number of litters from the mouse and rat studies described above revealed reductions in live litter size and pup weights at birth at 40 mg/kg/day in mice and 120 mg/kg/day in rats.
Risk Summary
Amantadine is excreted in human milk, but amounts have not been quantified. There is no information on the risk to a breastfed infant, and there is insufficient information on the effect of amantadine on milk production in nursing mothers.
The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for OSMOLEX ER and any potential adverse effects on the breastfed infant from OSMOLEX ER or from the underlying maternal condition.
Safety and effectiveness of OSMOLEX ER in pediatric patients have not been established.
No dose adjustment is recommended on the basis of age. OSMOLEX ER is known to be substantially excreted by the kidney, and the risk of adverse reactions 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 [see Dosage and Administration (2.3)].
Because amantadine is mainly excreted in the urine, it accumulates in the plasma and in the body when renal function declines [see Clinical Pharmacology (12.3)].
OSMOLEX ER is contraindicated for use in patients with end-stage renal disease (creatinine clearance below 15 mL/min/1.73 m2).
For patients with moderate or severe renal impairment, a reduction in dosing frequency is required. Closely monitor these patients (creatinine clearance 15 to less than 60 mL/min/1.73 m2) if prescribed the maximum daily dosage of 322 mg [see Dosage and Administration (2.3].
Also, closely monitor patients with any degree of renal impairment for adverse reactions and potential changes in renal function, which may necessitate further dosage reduction.
Deaths have been reported from overdose with amantadine. The lowest reported acute lethal dose was 1 gram of amantadine hydrochloride (equivalent to 0.8 g amantadine). Acute toxicity may be attributable to the anticholinergic effects of amantadine. Drug overdose has resulted in cardiac, respiratory, renal, or central nervous system toxicity. Pulmonary edema and respiratory distress (including adult respiratory distress syndrome, ARDS) have been reported with amantadine; renal dysfunction can occur, including increased BUN, decreased creatinine clearance, and renal insufficiency.
Central nervous system adverse reactions that have been reported with amantadine overdose include: agitation, aggressive behavior, hypertonia, hyperkinesia, ataxia, tremor disorientation, depersonalization, fear, delirium, psychotic reactions, lethargy, and coma. Seizures may be exacerbated in patients with prior history of seizure disorders. Hyperthermia has occurred with amantadine overdose.
For acute overdose, general supportive measures should be employed along with immediate gastric decontamination if appropriate. Give intravenous fluids if necessary. The excretion rate of amantadine increases with acidification of the urine, which may increase the elimination of the drug. Monitor patients for arrhythmias and hypotension. Electrocardiographic monitoring may be needed after ingestion because arrhythmias have been reported after overdose, including arrhythmias with fatal outcomes. Adrenergic agents, such as isoproterenol, in patients with an amantadine overdose has been reported to induce arrhythmias.
Monitor blood electrolytes, urine pH, and urinary output. Although hemodialysis does not efficiently remove amantadine, it may be useful in the treatment of amantadine toxicity in patients with renal failure.
OSMOLEX ER contains amantadine in an extended-release tablet. The active ingredient in OSMOLEX ER is amantadine hydrochloride.
The chemical name for amantadine hydrochloride is tricyclo [3.3.1.1 3,7] decan-1-amine, hydrochloride or 1-adamantanamine hydrochloride, and it has the following structural formula:
The molecular formula is C10H17NHCl and the molecular weight is 187.71 (g/mol). Amantadine hydrochloride, USP is a stable white or nearly white crystalline powder, freely soluble in water and alcohol, and soluble in chloroform.
OSMOLEX ER tablets are for oral use. Each tablet contains 129 mg, 193 mg, or 258 mg amantadine (as 160 mg, 240 mg, or 320 mg amantadine hydrochloride, respectively) in an extended-release core and an outer immediate-release layer. Amantadine release from the extended-release core is controlled by an osmotic pump system. Osmotic pump systems consist of a drug core contained within a semipermeable polymer membrane that is permeable to water molecules, but not to the drug, with a laser drilled orifice for drug delivery. Amantadine release is driven by the existence of an osmotic gradient between the contents of the drug core and the fluid in the gastrointestinal tract. Since the osmotic gradient remains constant, drug delivery remains essentially constant after the immediate-release layer dissolves. The biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the stool as a tablet shell.
Inactive ingredients: cellulose acetate, colloidal silicon dioxide, copovidone, D&C Yellow No. 10, FD&C Yellow No. 6, ferrosoferric oxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, propylene glycol, sodium chloride, and titanium dioxide. OSMOLEX ER 129 mg tablets also contain lactose monohydrate and triacetin. OSMOLEX ER 193 mg tablets also contain FD&C Blue No. 2 and FD&C Red No. 40. OSMOLEX ER 258 mg tablets also contain FD&C Blue No. 1, FD&C Red No. 40, and ferric oxide yellow.
The mechanism by which amantadine exerts efficacy in the treatment of Parkinson’s disease and drug-induced extrapyramidal reactions is unknown. Amantadine is a weak uncompetitive antagonist of the NMDA receptor; however, it exhibits anticholinergic-like side effects such as dry mouth, urinary retention, and constipation in humans. Amantadine may have direct and indirect effects on dopamine neurons; it exerts dopaminergic-like side effects such as hallucinations and dizziness in humans.
The effect of amantadine on QT prolongation was not studied in a dedicated thorough QT study.
Alcohol consumption may increase the potential for CNS effects, such as somnolence, dizziness, confusion, lightheadedness, and orthostatic hypotension [see Drug Interactions (7.4)].
OSMOLEX ER tablet consists of an immediate-release outer layer and an extended-release core. The pharmacokinetics of amantadine from OSMOLEX ER is dose proportional across the dose range of 129 mg to 322 mg.
Absorption
Following oral administration of OSMOLEX ER, peak concentration of amantadine was observed in a median time of 7.5 hours (range 5.5 to 12 hours). After a single oral administration of the 129 mg dose, the mean (CV%) Cmax and AUC were 328 ng/ml (18%) and 8263 ng.h/ml (18%) respectively. Cmax and AUC with other dose levels of OSMOLEX ER increase proportionally.
Effect of Food
Food does not affect the rate or the extent of absorption of OSMOLEX ER.
Distribution
Amantadine is 67% bound to plasma proteins over a concentration range of 0.1 to 2.0 μg/mL. The volume of distribution after intravenous administration is 3-8 L/kg, suggesting potential extravascular distribution.
Elimination
Amantadine is mainly eliminated renally, and approximately 85% of the administered dose is excreted unchanged in urine. After oral administration of a single 129 mg OSMOLEX ER tablet, the apparent oral clearance was approximately11 L/h. The half-life was approximately 16 hours.
Metabolism
Metabolism accounts for only 5-15% of the total clearance for amantadine. Eight metabolites of amantadine have been identified in human urine. One metabolite, an N-acetylated compound, was quantified in human urine and accounted for 0-15% of the administered dose in multiple studies. The contribution of this metabolite to efficacy or toxicity is not known.
Excretion
Amantadine is primarily excreted by glomerular filtration and tubular secretion. The pH of the urine has been reported to influence the excretion rate of amantadine [see Drug Interactions (7.2)].
Specific Populations
Geriatric Patients
Amantadine is known to be substantially excreted by the kidney, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function [see Use in Specific Populations (8.5)].
Patients with Renal Impairment
The renal clearance of amantadine is significantly lower in patients with moderate or severe renal impairment, compared to healthy subjects with normal renal function. Therefore, a reduction in dosing frequency is required for patients with moderate or severe renal impairment [see Dosage and Administration (2.3)]. OSMOLEX ER is contraindicated in patients with end-stage renal disease (i.e., creatinine clearance below 15 mL/min/1.73 m2) [see Contraindications (4)].
Male and Female Patients
In a study of young healthy subjects (n=20), mean renal clearance of amantadine, normalized for body mass index, was 1.5 fold higher in males compared to females. No dose adjustment by gender is warranted.
Drug Interaction Studies
Coadministration of quinine or quinidine with amantadine was shown to reduce the renal clearance of amantadine by about 30%. The clinical significance of this effect is unknown.
Carcinogenesis
Animal studies designed to evaluate the carcinogenic potential of amantadine have not been conducted.
Mutagenesis
Amantadine was negative for genotoxicity in in vitro (Ames and mammalian cell [Chinese Hamster ovary and human peripheral blood lymphocytes]) assays in the presence or absence of metabolic activation and in an in vivo mouse bone marrow micronucleus assay.
Impairment of Fertility
The effects of amantadine on fertility have not been adequately tested in a study in animals conducted according to current standards. In a reproduction study reported in the literature, oral administration of amantadine to male and female rats at a dose of 32 mg/kg/day resulted in impaired fertility. The no-effect dose for adverse effects on fertility (10 mg/kg/day) is less than the maximum recommended human dose of 322 mg/day on a mg/m2 basis.
OSMOLEX ER is available as extended-release tablets in the following configurations:
129 mg tablets:
Round, biconvex, white coated tablets, imprinted on one side with a black “VP” over “075”
193 mg tablets:
Round, biconvex, green coated tabled, imprinted on one side with a black “VP” over “076”
258 mg tablets:
Round, biconvex, blue coated tablets, imprinted on one side with a black “VP” over “077”
322 mg dosing kit:
Advise the patient to read the FDA-approved patient labeling (Patient Information).
Administration
Instruct patients and caregivers that OSMOLEX ER tablets should be swallowed whole and can be administered with or without food. Advise patients to speak to their healthcare provider before discontinuation of OSMOLEX ER [see Dosage and Administration (2.2, 2.4)]. The OSMOLEX ER tablet has a nonabsorbable shell designed to release the drug at a controlled rate. The tablet shell is eliminated from the body; patients should not be concerned if they occasionally notice in their stool something that looks like a tablet [see Description (11)].
Falling Asleep During Activities of Daily Living
Advise patients that sleepiness and fatigue can occur with OSMOLEX ER, and patients treated with amantadine have reported falling asleep while engaged in activities of daily living. These adverse reactions may affect some patients’ ability to drive and operate machinery safely [see Warnings and Precautions (5.1)].
Suicidality and Depression
Instruct patients, family members, and caregivers to notify their healthcare provider if depressed mood, depression, changes in behavior or thinking, or suicidal ideation or behavior develop during treatment [see Warnings and Precautions (5.2)].
Hallucinations/Psychotic Behavior
Inform patients and caregivers that hallucinations and paranoia can occur while taking OSMOLEX ER. Tell patients to report unreal visions, sounds, or sensations or other psychotic behavior to their healthcare provider promptly should they develop [see Warnings andPrecautions (5.3)].
Dizziness and Orthostatic Hypotension
Dizziness and orthostatic hypotension can occur with administration of OSMOLEX ER. Caution patients against standing rapidly after sitting or lying down, especially if they have been doing so for prolonged periods and especially at the initiation of treatment with OSMOLEX ER [see Warnings and Precautions (5.4)].
Withdrawal-Emergent Hyperpyrexia and Confusion
Advise patients to contact their healthcare provider before stopping OSMOLEX ER. Tell patients to inform their healthcare provider if they develop withdrawal symptoms such as fever, confusion, or severe muscle stiffness [see Warnings and Precautions (5.5)].
Impulse Control/Compulsive Disorders
Inform patients of the potential for experiencing intense urges to gamble, increased sexual urges, intense urges to spend money, binge eating, and other intense urges and the inability to control these urges while taking one or more of the medications that increase central dopaminergic tone, such as OSMOLEX ER [see Warnings and Precautions (5.6)].
Drug Interactions
Certain medications can cause an interaction with OSMOLEX ER. Advise patients and/or caregivers to inform their healthcare provider of all the medicines the patient is taking, including over-the-counter medicines, dietary supplements, and herbal products. Inform patients that live influenza vaccines and consumption of alcohol are not recommended during treatment with OSMOLEX ER [see Drug Interactions (7.1, 7.2, 7.3, 7.4)].
Vertical Pharmaceuticals, LLC
Bridgewater, NJ 08807 USA
200244-02
Patent Numbers:
8,252,331
8,574,626
10,213,393
10,213,394
OSMOLEX ER (Oz-mole-x ee-are)
(amantadine) extended release tablets
What is OSMOLEX ER?
OSMOLEX ER is a prescription medicine used to treat:
It is not known if OSMOLEX ER is safe and effective in children.
Do not take OSMOLEX ER if you have severe kidney problems.
Before taking OSMOLEX ER, tell your doctor about all of your medical conditions, including if
you:
Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and dietary and herbal supplements. OSMOLEX ER may affect the way certain other medicines work, and certain other medicines can affect how OSMOLEX ER works.
Especially tell your doctor if you:
How should I take OSMOLEX ER?
What should I avoid while taking OSMOLEX ER?
What are the possible side effects of OSMOLEX ER?
OSMOLEX ER may cause serious side effects, including:
The most common side effects of OSMOLEX ER include nausea, dizziness, lightheadedness, and trouble sleeping (insomnia).
These are not all the possible side effects of OSMOLEX ER. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
How should I store OSMOLEX ER?
Keep OSMOLEX ER and all medicines out of the reach of children.
General information about the safe and effective use of OSMOLEX ER.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use OSMOLEX ER for a condition for which it was not prescribed. Do not give OSMOLEX ER to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or doctor for information about OSMOLEX ER that is written for health professionals.
What are the ingredients in OSMOLEX ER?
Active ingredient: amantadine hydrochloride
Inactive ingredients: cellulose acetate, colloidal silicon dioxide, copovidone, D&C Yellow No. 10, FD&C Yellow No. 6, ferrosoferric oxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, propylene glycol, sodium chloride, and titanium dioxide. OSMOLEX ER 129 mg tablets also contain lactose monohydrate and triacetin. OSMOLEX ER 193 mg tablets also contain FD&C Blue No. 2 and FD&C Red No. 40. OSMOLEX ER 258 mg tablets also contain FD&C Blue No. 1, FD&C Red No. 40, and ferric oxide yellow.
Distributed by: Vertical Pharmaceuticals, LLC. Bridgewater, NJ 08807
For more information, go to www.OSMOLEX-ER.com or call 1-877-482-3788.
This Patient Information has been approved by the U.S. Food and Drug Administration.
Issued: 10/2019
OSMOLEX ER
amantadine tablet, extended release |
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OSMOLEX ER
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OSMOLEX ER
amantadine tablet, extended release |
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OSMOLEX ER
amantadine kit |
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Labeler - Vertical Pharmaceuticals, LLC (173169017) |
Mark Image Registration | Serial | Company Trademark Application Date |
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OSMOLEX ER 87639712 5770506 Live/Registered |
Osmotica Kereskedelmi és Szolgáltató Korlátolt Felelôsségû Társaság 2017-10-10 |