Endo Pharmaceuticals Inc. Dba Endo Generic Products
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Endo Pharmaceuticals Inc. Dba Endo Generic Products Drugs
Adult Hypertensive PatientsLosartan potassium tablets may be administered with other antihypertensive agents, and with or without food. Dosing must be individualized. The usual starting dose of losartan potassium tablets is 50 mg once daily, with 25 mg used in patients with possible depletion of intravascular volume ( e.g., patients treated with diuretics) (see WARNINGS, Hypotension - Volume-Depleted Patients) and patients with a history of hepatic impairment (see PRECAUTIONS, General). Losartan potassium tablets can be administered once or twice daily with total daily doses ranging from 25 mg to 100 mg. If the antihypertensive effect measured at trough using once-a-day dosing is inadequate, a twice-a-day regimen at the same total daily dose or an increase in dose may give a more satisfactory response. The effect of losartan is substantially present within one week but in some studies the maximal effect occurred in 3-6 weeks (see CLINICAL PHARMACOLOGY, Pharmacodynamics and Clinical Effects, Hypertension). If blood pressure is not controlled by losartan potassium tablets alone, a low dose of a diuretic may be added. Hydrochlorothiazide has been shown to have an additive effect (see CLINICAL PHARMACOLOGY, Pharmacodynamics and Clinical Effects, Hypertension). No initial dosage adjustment is necessary for elderly patients or for patients with renal impairment, including patients on dialysis. Pediatric Hypertensive Patients ≥ 6 years of ageThe usual recommended starting dose is 0.7 mg/kg once daily (up to 50 mg total) administered as a tablet or a suspension (see Preparation of Suspension). Dosage should be adjusted according to blood pressure response. Doses above 1.4 mg/kg (or in excess of 100 mg) daily have not been studied in pediatric patients (see CLINICAL PHARMACOLOGY, Pharmacokinetics, Special Populations and Pharmacodynamics and Clinical Effects, and WARNINGS, Hypotension - Volume-Depleted Patients). Losartan potassium tablet is not recommended in pediatric patients <6 years of age or in pediatric patients with glomerular filtration rate <30 mL/min/1.73 m 2 (see CLINICAL PHARMACOLOGY, Pharmacokinetics, Special Populations, Pharmacodynamics and Clinical Effects, and PRECAUTIONS). Preparation of Suspension (for 200 mL of a 2.5 mg/mL suspension)Add 10 mL of Purified Water USP to an 8 ounce (240 mL) amber polyethylene terephthalate (PET) bottle containing ten 50 mg losartan potassium tablets. Immediately shake for at least 2 minutes. Let the concentrate stand for 1 hour and then shake for 1 minute to disperse the tablet contents. Separately prepare a 50/50 volumetric mixture of Ora-Plus™ ** and Ora-Sweet SF™ **. Add 190 mL of the 50/50 Ora-Plus™/Ora-Sweet SF™ mixture to the tablet and water slurry in the PET bottle and shake for 1 minute to disperse the ingredients. The suspension should be refrigerated at 2-8°C (36-46°F) and can be stored for up to 4 weeks. Shake the suspension prior to each use and return promptly to the refrigerator. Hypertensive Patients with Left Ventricular HypertrophyThe usual starting dose is 50 mg of losartan potassium tablets once daily. Hydrochlorothiazide 12.5 mg daily should be added and/or the dose of losartan potassium tablets should be increased to 100 mg once daily followed by an increase in hydrochlorothiazide to 25 mg once daily based on blood pressure response (see CLINICAL PHARMACOLOGY, Pharmacodynamics and Clinical Effects, Reduction in the Risk of Stroke). Nephropathy in Type 2 Diabetic Patients The usual starting dose is 50 mg once daily. The dose should be increased to 100 mg once daily based on blood pressure response (see CLINICAL PHARMACOLOGY , Pharmacodynamics and Clinical Effects, Nephropathy in Type 2 Diabetic Patients). Losartan potassium tablets may be administered with insulin and other commonly used hypoglycemic agents ( e.g., sulfonylureas, glitazones and glucosidase inhibitors).
Parkinson's Disease In all clinical studies, dosage was initiated at a subtherapeutic level to avoid intolerable adverse effects and orthostatic hypotension. Pramipexole dihydrochloride tablets should be titrated gradually in all patients. The dosage should be increased to achieve a maximum therapeutic effect, balanced against the principal side effects of dyskinesia, hallucinations, somnolence, and dry mouth. Dosing in Patients with Normal Renal Function Initial Treatment Dosages should be increased gradually from a starting dose of 0.375 mg/day given in three divided doses and should not be increased more frequently than every 5 to 7 days. A suggested ascending dosage schedule that was used in clinical studies is shown in the following table: Table 3 Ascending Dosage Schedule of Pramipexole Dihydrochloride Tablets for Parkinson's Disease Week Dosage (mg) Total Daily Dose (mg) 1 0.125 TID 0.375 2 0.25 TID 0.75 3 0.5 TID 1.50 4 0.75 TID 2.25 5 1 TID 3 6 1.25 TID 3.75 7 1.5 TID 4.50 Maintenance Treatment Pramipexole dihydrochloride tablets were effective and well tolerated over a dosage range of 1.5 to 4.5 mg/day administered in equally divided doses three times per day with or without concomitant levodopa (approximately 800 mg/day). In a fixed-dose study in early Parkinson's disease patients, doses of 3 mg, 4.5 mg, and 6 mg per day of pramipexole dihydrochloride tablets were not shown to provide any significant benefit beyond that achieved at a daily dose of 1.5 mg/day. However, in the same fixed-dose study, the following adverse events were dose related: postural hypotension, nausea, constipation, somnolence, and amnesia. The frequency of these events was generally 2-fold greater than placebo for pramipexole doses greater than 3 mg/day. The incidence of somnolence reported with pramipexole at a dose of 1.5 mg/day was comparable to placebo. When pramipexole dihydrochloride tablets is used in combination with levodopa, a reduction of the levodopa dosage should be considered. In a controlled study in advanced Parkinson's disease, the dosage of levodopa was reduced by an average of 27% from baseline. Dosing in Patients with Renal Impairment Table 4 Pramipexole Dosage in Parkinson's Disease Patients with Renal Impairment Renal Status Starting Dose (mg) Maximum Dose (mg) Normal to mild impairment (creatinine Cl > 60 mL/min) 0.125 TID 1.5 TID Moderate impairment (creatinine Cl =35 to 59 mL/min) 0.125 BID 1.5 BID Severe impairment (creatinine Cl =15 to 34 mL/min) 0.125 QD 1.5 QD Very severe impairment (creatinine Cl < 15 mL/min and hemodialysis patients) The use of pramipexole dihydrochloride has not been adequately studied in this group of patients Discontinuation of Treatment It is recommended that pramipexole dihydrochloride tablets be discontinued over a period of 1 week; in some studies, however, abrupt discontinuation was uneventful.
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