MANNITOL

INDICATIONS AND USAGE For Intravenous Injection Mannitol Injection, USP is indicated for the following therapeutic uses: • The promotion of diuresis, in the prevention and/or treatment of the oliguric phase of acute renal failure before irreversible renal failure becomes established. • The reduction of intracranial pressure and treatment of cerebral edema by reducing brain mass. • The reduction of elevated intraocular pressure when it cannot be lowered by other means. • The promotion of urinary excretion of toxic substances. For Urologic Irrigation Mannitol solution, 2.5% is indicated as an irrigation solution in transurethral prostatic resection or other transurethral surgical procedures. For Intravenous Injection Mannitol Injection, USP is indicated for the following therapeutic uses: • The promotion of diuresis, in the prevention and/or treatment of the oliguric phase of acute renal failure before irreversible renal failure becomes established. • The reduction of intracranial pressure and treatment of cerebral edema by reducing brain mass. • The reduction of elevated intraocular pressure when it cannot be lowered by other means. • The promotion of urinary excretion of toxic substances. For Urologic Irrigation Mannitol solution, 2.5% is indicated as an irrigation solution in transurethral prostatic resection or other transurethral surgical procedures.

DOSAGE AND ADMINISTRATION For Intravenous Injection General Recommendations –Give mannitol injection only intravenously. The total dosage, concentration and rate of administration should be governed by the nature and severity of the condition being treated, fluid requirement and urinary output. Usual adult dosage ranges from 50 to 200 g in 24 hours but in most instances an adequate response will be achieved at a dosage of approximately 100 g in 24 hours. The rate is usually adjusted to maintain an adequate urine flow (at least 30 to 50 mL/hr). Test Dose –In marked oliguria or inadequate renal function a test dose of mannitol should be given. The test dose may be approximately 0.2 g/kg (about 50 mL of a 25% solution) infused in three to five minutes to produce an adequate urine flow (at least 30 to 50 mL/hr). If urine flow does not increase within two or three hours a second test dose may be given. If there is an inadequate response the patient should be reevaluated. Prevention of Acute Renal Failure (Oliguria) –When used during surgery, immediately postoperatively or following trauma, 50 to100 g of mannitol as a 5 to 25% solution maybe given. The concentration and amount will depend upon the fluid requirements of the patient. Following suspected or actual hemolytic transfusion reactions 20 g of mannitol may be given intravenously over a five minute period to provoke diuresis. If diuresis does not occur the 20 g dose may be repeated. If there is an adequate urine flow (30 to 50 mL/hr) then intravenous fluids containing not more than 50 to 75 mEq of sodium per liter should be given in sufficient volume to match the desired urine flow (100 mL/hr) until fluids can be taken orally. Treatment of Oliguria –The usual dose for treatment of oliguria is 50 to 100 g as a 15 to 25% solution. Reduction of Intracranial Pressure, Cerebral Edema or Intraocular Pressure –A 25% solution of mannitol is recommended since its effectiveness depends on establishing intravascular hyperosmolarity. When used before or after surgery, a total dose of 1.5 to 2 g/kg can be given over a period of 30 to 60 minutes. Careful evaluation must be made of the circulatory and renal reserve prior to and during use of mannitol at this relatively high dose and rapid infusion rate. Careful attention must be paid to fluid and electrolyte balance, body weight, and total input and output before and after infusion of mannitol. Evidence of reduced cerebral spinal fluid pressure may be observed within 15 minutes after starting infusion. Maximal reduction of intraocular pressure occurs 30 to 60 minutes after injection. Urinary Excretion of Toxic Substances –Mannitol in 5 to 25% solutions is used as an infusion as long as indicated if the level of urinary output remains high. The concentration will depend upon the fluid requirement and urinary output. Intravenous water and electrolytes must be given to replace the loss of these substances in the urine, sweat and expired air. If benefits are not observed after 200 g of mannitol are given, discontinue it. mannitol-image For Urologic Irrigation A 2.5% solution is used. The use of 2.5% mannitol solution minimizes the hemolytic effect of water alone, the entrance of hemolyzed blood into the circulation, and the resulting hemoglobinemia which is considered a major factor in producing serious renal complications. PREPARATION OF DILUTIONS FOR UROLOGIC IRRIGATION Concentration How Prepared 2.5% Add contents of two 50 mL vials (25% mannitol) to 900 mL Sterile Water for Injection. For Intravenous Injection General Recommendations –Give mannitol injection only intravenously. The total dosage, concentration and rate of administration should be governed by the nature and severity of the condition being treated, fluid requirement and urinary output. Usual adult dosage ranges from 50 to 200 g in 24 hours but in most instances an adequate response will be achieved at a dosage of approximately 100 g in 24 hours. The rate is usually adjusted to maintain an adequate urine flow (at least 30 to 50 mL/hr). Test Dose –In marked oliguria or inadequate renal function a test dose of mannitol should be given. The test dose may be approximately 0.2 g/kg (about 50 mL of a 25% solution) infused in three to five minutes to produce an adequate urine flow (at least 30 to 50 mL/hr). If urine flow does not increase within two or three hours a second test dose may be given. If there is an inadequate response the patient should be reevaluated. Prevention of Acute Renal Failure (Oliguria) –When used during surgery, immediately postoperatively or following trauma, 50 to100 g of mannitol as a 5 to 25% solution maybe given. The concentration and amount will depend upon the fluid requirements of the patient. Following suspected or actual hemolytic transfusion reactions 20 g of mannitol may be given intravenously over a five minute period to provoke diuresis. If diuresis does not occur the 20 g dose may be repeated. If there is an adequate urine flow (30 to 50 mL/hr) then intravenous fluids containing not more than 50 to 75 mEq of sodium per liter should be given in sufficient volume to match the desired urine flow (100 mL/hr) until fluids can be taken orally. Treatment of Oliguria –The usual dose for treatment of oliguria is 50 to 100 g as a 15 to 25% solution. Reduction of Intracranial Pressure, Cerebral Edema or Intraocular Pressure –A 25% solution of mannitol is recommended since its effectiveness depends on establishing intravascular hyperosmolarity. When used before or after surgery, a total dose of 1.5 to 2 g/kg can be given over a period of 30 to 60 minutes. Careful evaluation must be made of the circulatory and renal reserve prior to and during use of mannitol at this relatively high dose and rapid infusion rate. Careful attention must be paid to fluid and electrolyte balance, body weight, and total input and output before and after infusion of mannitol. Evidence of reduced cerebral spinal fluid pressure may be observed within 15 minutes after starting infusion. Maximal reduction of intraocular pressure occurs 30 to 60 minutes after injection. Urinary Excretion of Toxic Substances –Mannitol in 5 to 25% solutions is used as an infusion as long as indicated if the level of urinary output remains high. The concentration will depend upon the fluid requirement and urinary output. Intravenous water and electrolytes must be given to replace the loss of these substances in the urine, sweat and expired air. If benefits are not observed after 200 g of mannitol are given, discontinue it. mannitol-image

CONTRAINDICATIONS • Well established anuria due to severe renal disease. • Severe pulmonary congestion or frank pulmonary edema. • Active intracranial bleeding except during craniotomy. • Severe dehydration. • Progressive renal damage or dysfunction after institution of mannitol therapy, including increasing oliguria and azotemia. • Progressive heart failure or pulmonary congestion after mannitol therapy is started.

WARNINGS In severe impairment of renal function a test dose should be given (see DOSAGE AND ADMINISTRATION ). A second test dose may be given if there is an inadequate response. No more than two test doses should be attempted. Excessive loss of water and electrolytes may lead to serious imbalances. Serum sodium and potassium should be carefully monitored during mannitol therapy. The diuresis after rapid infusion of mannitol may increase preexisting hemoconcentration. With continued use of mannitol a loss of water in excess of electrolytes can cause hypernatremia. Shift of sodium-free intracellular fluid into the extracellular compartment after mannitol infusion may lower serum sodium concentration and aggravate preexisting hyponatremia. Closely monitor the urine output and discontinue mannitol infusion promptly if output is low. Inadequate urine output results in accumulation of mannitol, expansion of extracellular fluid volume and could result in water intoxication or congestive heart failure. Renal function must be closely monitored during mannitol infusion. Mannitol solution must be used with caution in patients with significant cardiopulmonary or renal dysfunction. Irrigating solutions used in transurethral prostatectomy have been shown to enter the systemic circulation in relatively large volumes, exert a systemic effect and may significantly alter cardiopulmonary and renal dynamics.

ADVERSE REACTIONS Reactions are infrequent and may include: To report SUSPECTED ADVERSE REACTIONS, contact Fresenius Kabi USA, LLC at 1-800-551-7176 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. Metabolic: fluid and electrolyte imbalance, acidosis, dehydration. Gastrointestinal: dryness of mouth, nausea, vomiting, diarrhea. Genitourinary: osmotic nephrosis, urinary retention. Central Nervous System: headache, convulsions, dizziness. Special Senses: Blurred vision, rhinitis. Cardiovascular: pulmonary edema, edema, hypotension, hypertension, tachycardia, angina-like chest pains. Dermatologic: skin necrosis, thrombophlebitis. Hypersensitivity: urticaria. Miscellaneous: thirst, arm pain, chills, fever.