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GOCOVRI
Overview
What is GOCOVRI?
GOCOVRI contains amantadine in an extended release formulation. The active ingredient in GOCOVRI is amantadine hydrochloride.
The chemical name for amantadine hydrochloride is tricyclo [3.3.1.1 ] decan-1-amine, hydrochloride or 1-adamantanamine hydrochloride with the following structural formula:
The molecular formula is CHN•HCl and the molecular weight is 187.71 (g/mol). Amantadine hydrochloride is a white crystalline powder and is non-hygroscopic, practically insoluble in ether, sparingly soluble in methylene chloride, soluble in chloroform, and freely soluble in water, ethanol, and methanol.
GOCOVRI capsules are for oral use. Each capsule contains 68.5 mg or 137 mg amantadine (as 85 mg or 170 mg amantadine hydrochloride, respectively). Capsules also contain the following inactive ingredients: copovidone, ethylcellulose, hypromellose, magnesium stearate, medium-chain triglycerides, microcrystalline cellulose, povidone, and talc in a hard gelatin capsule.
What does GOCOVRI look like?
What are the available doses of GOCOVRI?
Extended release capsules: 68.5 mg and 137 mg ()
What should I talk to my health care provider before I take GOCOVRI?
How should I use GOCOVRI?
GOCOVRI is indicated for the treatment of dyskinesia in patients with Parkinson’s disease receiving levodopa-based therapy, with or without concomitant dopaminergic medications.
The initial daily dosage of GOCOVRI is 137 mg, administered orally once daily at bedtime. After one week, increase to the recommended dosage of 274 mg (two 137 mg capsules) once daily at bedtime.
What interacts with GOCOVRI?
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What are the warnings of GOCOVRI?
Sorry No Records found
What are the precautions of GOCOVRI?
Sorry No Records found
What are the side effects of GOCOVRI?
Sorry No records found
What should I look out for while using GOCOVRI?
GOCOVRI is contraindicated in patients with end stage renal disease (ie., creatinine clearance below 15 mL/min/1.73 m) [
What might happen if I take too much GOCOVRI?
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, including increased BUN and decreased creatinine clearance, can occur.
Central nervous system effects that have been reported with 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 overdosing, 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 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 amantadine is not efficiently removed by hemodialysis, this procedure may be useful in the treatment of amantadine toxicity in patients with renal failure.
How should I store and handle GOCOVRI?
Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].Amiloride HCl Tablets, 5 mg, are off-white to light yellow, diamond-shaped, compressed tablets, embossed with "P291". They are supplied in Boxes of 30 Unit Dose Tablets (NDC 0179-0230-70).
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
The mechanism by which amantadine exerts efficacy in the treatment of dyskinesia in patients with Parkinson’s disease is unknown. Amantadine is a weak uncompetitive antagonist of the NMDA receptor. Amantadine has not been shown to possess direct anticholinergic activity in animal studies; 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.
Non-Clinical Toxicology
GOCOVRI is contraindicated in patients with end stage renal disease (ie., creatinine clearance below 15 mL/min/1.73 m) [When amiloride HCl is administered concomitantly with an angiotensin-converting enzyme inhibitor, an angiotensin II receptor antagonist, cyclosporine or tacrolimus, the risk of hyperkalemia may be increased. Therefore, if concomitant use of these agents is indicated because of demonstrated hypokalemia, they should be used with caution and with frequent monitoring of serum potassium. (See )
Lithium generally should not be given with diuretics because they reduce its renal clearance and add a high risk of lithium toxicity. Read circulars for lithium preparations before use of such concomitant therapy.
In some patients, the administration of a non-steroidal anti-inflammatory agent can reduce the diuretic, natriuretic, and antihypertensive effects of loop, potassium-sparing and thiazide diuretics. Therefore, when amiloride HCl and non-steroidal anti-inflammatory agents are used concomitantly, the patient should be observed closely to determine if the desired effect of the diuretic is obtained. Since indomethacin and potassium-sparing diuretics, including amiloride HCl, may each be associated with increased serum potassium levels, the potential effects on potassium kinetics and renal function should be considered when these agents are administered concurrently.
Patients treated for Parkinson’s disease 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. In controlled clinical trials, somnolence and fatigue were reported as adverse reactions in 4% of patients treated with GOCOVRI 274 mg and 1% for placebo.
Before initiating treatment with GOCOVRI, advise patients of the potential to develop drowsiness and specifically ask about factors that may increase the risk for somnolence with GOCOVRI, such as concomitant sedating medications 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), GOCOVRI should ordinarily be discontinued.
If a decision is made to continue GOCOVRI, patients should be advised not to drive and to avoid other potentially dangerous activities. 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.
The following serious adverse reactions are described in more detail elsewhere in the labeling:
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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