Source:http://www4.wiwiss.fu-berlin.de/dailymed/resource/drugs/3505
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PLATINOL (Injection, Powder, For Solution)
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Note: Needles or intravenous sets containing aluminum parts that may come in contact with PLATINOL should not be used for preparation or administration. Aluminum reacts with PLATINOL, causing precipitate formation and a loss of potency.<br/>Metastatic Testicular Tumors: The usual PLATINOL dose for the treatment of testicular cancer in combination with other approved chemotherapeutic agents is 20 mg/mIV daily for 5 days per cycle.<br/>Metastatic Ovarian Tumors: The usual PLATINOL dose for the treatment of metastatic ovarian tumors in combination with CYTOXAN is 75���100 mg/mIV per cycle once every 4 weeks (DAY 1). The dose of CYTOXAN when used in combination with PLATINOL is 600 mg/mIV once every 4 weeks (DAY 1). For directions for the administration of CYTOXAN, refer to the CYTOXAN package insert. In combination therapy, PLATINOL and CYTOXAN are administered sequentially. As a single agent, PLATINOL should be administered at a dose of 100 mg/mIV per cycle once every 4 weeks.<br/>Advanced Bladder Cancer: PLATINOL should be administered as a single agent at a dose of 50���70 mg/mIV per cycle once every 3 to 4 weeks depending on the extent of prior exposure to radiation therapy and/or prior chemotherapy. For heavily pretreated patients an initial dose of 50 mg/mper cycle repeated every 4 weeks is recommended.<br/>All Patients: Pretreatment hydration with 1 to 2 liters of fluid infused for 8 to 12 hours prior to a PLATINOL dose is recommended. The drug is then diluted in 2 liters of 5% Dextrose in 1/2 or 1/3 normal saline containing 37.5 g of mannitol, and infused over a 6- to 8-hour period. If diluted solution is not to be used within 6 hours, protect solution from light. Adequate hydration and urinary output must be maintained during the following 24 hours. A repeat course of PLATINOL should not be given until the serum creatinine is below 1.5 mg/100 mL, and/or the BUN is below 25 mg/100 mL. A repeat course should not be given until circulating blood elements are at an acceptable level (platelets���100,000/mm, WBC���4000/mm). Subsequent doses of PLATINOL should not be given until an audiometric analysis indicates that auditory acuity is within normal limits. As with other potentially toxic compounds, caution should be exercised in handling the powder and preparing the solution of cisplatin. Skin reactions associated with accidental exposure to cisplatin may occur. The use of gloves is recommended. If PLATINOL powder or PLATINOL solution contacts the skin or mucosa, immediately and thoroughly wash the skin with soap and water and flush the mucosa with water.<br/>PREPARATION OF INTRAVENOUS SOLUTIONS: The 50 mg vials should be reconstituted with 50 mL of Sterile Water for Injection, USP. Each mL of the resulting solution will contain 1 mg of PLATINOL. Reconstitution as recommended results in a clear, colorless to slight yellow solution. The reconstituted solution should be used intravenously only and should be administered by IV infusion over a 6- to 8-hour period . Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. NOTE TO PHARMACIST: Exercise caution to prevent inadvertent PLATINOL overdosage. Please call prescriber if dose is greater than 100 mg/mper cycle. Aluminum and flip-off seal of vial have been imprinted with the following statement: CALL DR. IF DOSE>100 MG/M/CYCLE.<br/>STABILITY: Unopened vials of dry powder are stable for the lot life indicated on the package when stored at room temperature (25��C, 77��F). The reconstituted solution is stable for 20 hours at room temperature (25��C, 77��F). Solution removed from the amber vial should be protected from light if it is not to be used within six hours. Important Note: Once reconstituted, the solution should be kept at room temperature (25��C, 77��F). If the reconstituted solution is refrigerated a precipitate will form. Procedures for proper handling and disposal of anticancer drugs should be considered. Several guidelines on this subject have been published.There is no general agreement that all of the procedures recommended in the guidelines are necessary or appropriate. To minimize the risk of dermal exposure, always wear impervious gloves when handling vials containing PLATINOL for injection. This includes all handling activities in clinical settings, pharmacies, storerooms, and home healthcare settings, including during unpacking and inspection, transport within a facility, and dose preparation and administration.
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PLATINOL (cisplatin for injection, USP) is a white to light yellow lyophilized powder. Each vial of PLATINOL contains 50 mg cisplatin, 450 mg Sodium Chloride, USP, and 500 mg Mannitol, USP. The active ingredient, cisplatin, is a yellow to orange crystalline powder with the molecular formula PtClHN, and a molecular weight of 300.1. Cisplatin is a heavy metal complex containing a central atom of platinum surrounded by two chloride atoms and two ammonia molecules in the cis position. It is soluble in water or saline at 1 mg/mL and in dimethylformamide at 24 mg/mL. It has a melting point of 207��C.
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Plasma concentrations of the parent compound, cisplatin, decay monoexponentially with a half-life of about 20 to 30 minutes following bolus administrations of 50 or 100 mg/mdoses. Monoexponential decay and plasma half-lives of about 0.5 hour are also seen following 2-hour or 7-hour infusions of 100 mg/m. After the latter, the total body clearances and volumes of distribution at steady-state for cisplatin are about 15 to 16 L/h/mand 11 to 12 L/m. Due to its unique chemical structure, the chlorine atoms of cisplatin are more subject to chemical displacement reactions by nucleophiles, such as water or sulfhydryl groups, than to enzyme-catalyzed metabolism. At physiological pH in the presence of 0.1M NaCl, the predominant molecular species are cisplatin and monohydroxymonochloro cis-diammine platinum (II) in nearly equal concentrations. The latter, combined with the possible direct displacement of the chlorine atoms by sulfhydryl groups of amino acids or proteins, accounts for the instability of cisplatin in biological matrices. The ratios of cisplatin to total free (ultrafilterable) platinum in the plasma vary considerably between patients and range from 0.5 to 1.1 after a dose of 100 mg/m. Cisplatin does not undergo the instantaneous and reversible binding to plasma proteins that is characteristic of normal drug-protein binding. However, the platinum from cisplatin, but not cisplatin itself, becomes bound to several plasma proteins, including albumin, transferrin, and gamma globulin. Three hours after a bolus injection and two hours after the end of a three-hour infusion, 90% of the plasma platinum is protein bound. The complexes between albumin and the platinum from cisplatin do not dissociate to a significant extent and are slowly eliminated with a minimum half-life of five days or more. Following cisplatin doses of 20 to 120 mg/m, the concentrations of platinum are highest in liver, prostate, and kidney; somewhat lower in bladder, muscle, testicle, pancreas, and spleen; and lowest in bowel, adrenal, heart, lung, cerebrum, and cerebellum. Platinum is present in tissues for as long as 180 days after the last administration. With the exception of intracerebral tumors, platinum concentrations in tumors are generally somewhat lower than the concentrations in the organ where the tumor is located. Different metastatic sites in the same patient may have different platinum concentrations. Hepatic metastases have the highest platinum concentrations, but these are similar to the platinum concentrations in normal liver. Maximum red blood cell concentrations of platinum are reached within 90 to150 minutes after a 100 mg/mdose of cisplatin and decline in a biphasic manner with a terminal half-life of 36 to 47 days. Over a dose range of 40 to 140 mg cisplatin/mgiven as a bolus injection or as infusions varying in length from 1 hour to 24 hours, from 10% to about 40% of the administered platinum is excreted in the urine in 24 hours. Over five days following administration of 40 to 100 mg/mdoses given as rapid, 2- to 3-hour, or 6- to 8-hour infusions, a mean of 35% to 51% of the dosed platinum is excreted in the urine. Similar mean urinary recoveries of platinum of about 14% to 30% of the dose are found following five daily administrations of 20, 30, or 40 mg/m/day. Only a small percentage of the administered platinum is excreted beyond 24 hours post-infusion and most of the platinum excreted in the urine in 24 hours is excreted within the first few hours. Platinum-containing species excreted in the urine are the same as those found following the incubation of cisplatin with urine from healthy subjects, except that the proportions are different. The parent compound, cisplatin, is excreted in the urine and accounts for 13% to 17% of the dose excreted within one hour after administration of 50 mg/m. The mean renal clearance of cisplatin exceeds creatinine clearance and is 62 and 50 mL/min/mfollowing administration of 100 mg/mas 2-hour or 6- to 7-hour infusions, respectively. The renal clearance of free (ultrafilterable) platinum also exceeds the glomerular filtration rate indicating that cisplatin or other platinum-containing molecules are actively secreted by the kidneys. The renal clearance of free platinum is nonlinear and variable and is dependent on dose, urine flow rate, and individual variability in the extent of active secretion and possible tubular reabsorption. There is a potential for accumulation of ultrafilterable platinum plasma concentrations whenever cisplatin is administered on a daily basis but not when dosed on an intermittent basis. No significant relationships exist between the renal clearance of either free platinum or cisplatin and creatinine clearance. Although small amounts of platinum are present in the bile and large intestine after administration of cisplatin, the fecal excretion of platinum appears to be insignificant.
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PLATINOL is contraindicated in patients with preexisting renal impairment. PLATINOL should not be employed in myelosuppressed patients, or in patients with hearing impairment. PLATINOL is contraindicated in patients with a history of allergic reactions to PLATINOL or other platinum-containing compounds.
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PLATINOL (cisplatin for injection, USP) NDC 0015-3072-20���Each amber vial contains 50 mg of cisplatin
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WARNING: PLATINOL (cisplatin for injection, USP) should be administered under the supervision of a qualified physician experienced in the use of cancer chemotherapeutic agents. Appropriate management of therapy and complications is possible only when adequate diagnostic and treatment facilities are readily available. Cumulative renal toxicity associated with PLATINOL is severe. Other major dose-related toxicities are myelosuppression, nausea, and vomiting. Ototoxicity, which may be more pronounced in children, and is manifested by tinnitus, and/or loss of high frequency hearing and occasionally deafness, is significant. Anaphylactic-like reactions to PLATINOL have been reported. Facial edema, bronchoconstriction, tachycardia, and hypotension may occur within minutes of PLATINOL administration. Epinephrine, corticosteroids, and antihistamines have been effectively employed to alleviate symptoms . Exercise caution to prevent inadvertent PLATINOL overdose. Doses greater than 100 mg/m/cycle once every 3 to 4 weeks are rarely used. Care must be taken to avoid inadvertent PLATINOL overdose due to confusion with PARAPLATIN (carboplatin) or prescribing practices that fail to differentiate daily doses from total dose per cycle.
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Peripheral blood counts should be monitored weekly. Liver function should be monitored periodically. Neurologic examination should also be performed regularly .<br/>Drug Interactions: Plasma levels of anticonvulsant agents may become subtherapeutic during cisplatin therapy. In a randomized trial in advanced ovarian cancer, response duration was adversely affected when pyridoxine was used in combination with altretamine (hexamethylmelamine) and PLATINOL.<br/>Carcinogenesis, Mutagenesis, Impairment of Fertility: See WARNINGS.<br/>Pregnancy: Category D. See WARNINGS.<br/>Nursing Mothers: Cisplatin has been reported to be found in human milk; patients receiving PLATINOL should not breast-feed.<br/>Pediatric Use: Safety and effectiveness in pediatric patients have not been established.<br/>Geriatric Use: Insufficient data are available from clinical trials of cisplatin in the treatment of metastatic testicular tumors or advanced bladder cancer to determine whether elderly patients respond differently than younger patients. In four clinical trials of combination chemotherapy for advanced ovarian carcinoma, 1484 patients received cisplatin either in combination with cyclophosphamide or paclitaxel. Of these, 426 (29%) were older than 65 years. In these trials, age was not found to be a prognostic factor for survival. However, in a later secondary analysis for one of these trials, elderly patients were found to have shorter survival compared with younger patients. In all four trials, elderly patients experienced more severe neutropenia than younger patients. Higher incidences of severe thrombocytopenia and leukopenia were also seen in elderly compared with younger patients, although not in all cisplatin-containing treatment arms. In the two trials where nonhematologic toxicity was evaluated according to age, elderly patients had a numerically higher incidence of peripheral neuropathy than younger patients. Other reported clinical experience suggests that elderly patients may be more susceptible to myelosuppression, infectious complications, and nephrotoxicity than younger patients. Cisplatin is known to be substantially excreted by the kidney and is contraindicated in patients with preexisting renal impairment. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and renal function should be monitored.
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Caution should be exercised to prevent inadvertent overdosage with PLATINOL. Acute overdosage with this drug may result in kidney failure, liver failure, deafness, ocular toxicity (including detachment of the retina), significant myelosuppression, intractable nausea and vomiting and/or neuritis. In addition, death can occur following overdosage. No proven antidotes have been established for PLATINOL overdosage. Hemodialysis, even when initiated four hours after the overdosage, appears to have little effect on removing platinum from the body because of PLATINOL's rapid and high degree of protein binding. Management of overdosage should include general supportive measures to sustain the patient through any period of toxicity that may occur.
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cisplatin
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PLATINOL (Injection, Powder, For Solution)
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Nephrotoxicity: Dose-related and cumulative renal insufficiency, including acute renal failure, is the major dose-limiting toxicity of PLATINOL. Renal toxicity has been noted in 28% to 36% of patients treated with a single dose of 50 mg/m. It is first noted during the second week after a dose and is manifested by elevations in BUN and creatinine, serum uric acid and/or a decrease in creatinine clearance. Renal toxicity becomes more prolonged and severe with repeated courses of the drug. Renal function must return to normal before another dose of PLATINOL can be given. Elderly patients may be more susceptible to nephrotoxicity . Impairment of renal function has been associated with renal tubular damage. The administration of PLATINOL using a 6- to 8-hour infusion with intravenous hydration, and mannitol has been used to reduce nephrotoxicity. However, renal toxicity still can occur after utilization of these procedures.<br/>Ototoxicity: Ototoxicity has been observed in up to 31% of patients treated with a single dose of PLATINOL 50 mg/m, and is manifested by tinnitus and/or hearing loss in the high frequency range (4000 to 8000 Hz). Decreased ability to hear normal conversational tones may occur occasionally. Deafness after the initial dose of PLATINOL (cisplatin for injection, USP) has been reported rarely. Ototoxic effects may be more severe in children receiving PLATINOL. Hearing loss can be unilateral or bilateral and tends to become more frequent and severe with repeated doses. Ototoxicity may be enhanced with prior or simultaneous cranial irradiation. It is unclear whether PLATINOL-induced ototoxicity is reversible. Ototoxic effects may be related to the peak plasma concentration of PLATINOL. Careful monitoring of audiometry should be performed prior to initiation of therapy and prior to subsequent doses of PLATINOL. Vestibular toxicity has also been reported. Ototoxicity may become more severe in patients being treated with other drugs with nephrotoxic potential.<br/>Hematologic: Myelosuppression occurs in 25% to 30% of patients treated with PLATINOL. The nadirs in circulating platelets and leukocytes occur between days 18 to 23 (range 7.5 to 45) with most patients recovering by day 39 (range 13 to 62). Leukopenia and thrombocytopenia are more pronounced at higher doses (>50 mg/m). Anemia (decrease of 2 g hemoglobin/100 mL) occurs at approximately the same frequency and with the same timing as leukopenia and thrombocytopenia. Fever and infection have also been reported in patients with neutropenia. Potential fatalities due to infection (secondary to myelosuppression) have been reported as part of postmarketing surveillance. Elderly patients may be more susceptible to myelosuppression . In addition to anemia secondary to myelosuppression, a Coombs' positive hemolytic anemia has been reported. In the presence of cisplatin hemolytic anemia, a further course of treatment may be accompanied by increased hemolysis and this risk should be weighed by the treating physician. The development of acute leukemia coincident with the use of PLATINOL has been reported rarely in humans. In these reports, PLATINOL was generally given in combination with other leukemogenic agents.<br/>Gastrointestinal: Marked nausea and vomiting occur in almost all patients treated with PLATINOL, and are occasionally so severe that the drug must be discontinued. Nausea and vomiting usually begin within 1 to 4 hours after treatment and last up to 24 hours. Various degrees of vomiting, nausea and/or anorexia may persist for up to 1 week after treatment. Delayed nausea and vomiting (begins or persists 24 hours or more after chemotherapy) has occurred in patients attaining complete emetic control on the day of PLATINOL therapy. Diarrhea has also been reported.<br/>OTHER TOXICITIES: Vascular toxicities coincident with the use of PLATINOL in combination with other antineoplastic agents have been reported rarely. The events are clinically heterogeneous and may include myocardial infarction, cerebrovascular accident, thrombotic microangiopathy (HUS), or cerebral arteritis. Various mechanisms have been proposed for these vascular complications. There are also reports of Raynaud's phenomenon occurring in patients treated with the combination of bleomycin, vinblastine with or without PLATINOL. It has been suggested that hypomagnesemia developing coincident with the use of PLATINOL may be an added, although not essential, factor associated with this event. However, it is currently unknown if the cause of Raynaud's phenomenon in these cases is the disease,underlying vascular compromise, bleomycin, vinblastine, hypomagnesemia, or a combination of any of these factors.<br/>Serum Electrolyte Disturbances: Hypomagnesemia, hypocalcemia, hyponatremia, hypokalemia, and hypophosphatemia have been reported to occur in patients treated with PLATINOL and are probably related to renal tubular damage. Tetany has been reported occasionally in those patients with hypocalcemia and hypomagnesemia. Generally, normal serum electrolyte levels are restored by administering supplemental electrolytes and discontinuing PLATINOL. Inappropriate antidiuretic hormone syndrome has also been reported.<br/>Hyperuricemia: Hyperuricemia has been reported to occur at approximately the same frequency as the increases in BUN and serum creatinine. It is more pronounced after doses greater than 50 mg/m, and peak levels of uric acid generally occur between 3 to 5 days after the dose. Allopurinol therapy for hyperuricemia effectively reduces uric acid levels.<br/>Neurotoxicity: Neurotoxicity, usually characterized by peripheral neuropathies, has been reported. The neuropathies usually occur after prolonged therapy (4 to 7 months); however, neurologic symptoms have been reported to occur after a single dose. Although symptoms and signs of PLATINOL neuropathy usually develop during treatment, symptoms of neuropathy may begin 3 to 8 weeks after the last dose of PLATINOL, although this is rare. PLATINOL therapy should be discontinued when the symptoms arefirst observed. The neuropathy, however, may progress further even after stopping treatment. Preliminary evidence suggests peripheral neuropathy may be irreversible in some patients. Elderly patients may be more susceptible to peripheral neuropathy . Lhermitte's sign, dorsal column myelopathy, and autonomic neuropathy have also been reported. Loss of taste and seizures have also been reported. Muscle cramps, defined as localized, painful, involuntary skeletal muscle contractions of sudden onset and short duration, have been reported and were usually associated in patients receiving a relatively high cumulative dose of PLATINOL and with a relatively advanced symptomatic stage of peripheral neuropathy.<br/>Ocular Toxicity: Optic neuritis, papilledema, and cerebral blindness have been reported infrequently in patients receiving standard recommended doses of PLATINOL. Improvement and/or total recovery usually occurs after discontinuing PLATINOL. Steroids with or without mannitol have been used; however, efficacy has not been established. Blurred vision and altered color perception have been reported after the use of regimens with higher doses of PLATINOL or greater dose frequencies than recommended in the package insert. The altered color perception manifests as a loss of color discrimination, particularly in the blue-yellow axis. The only finding on funduscopic exam is irregular retinal pigmentation of the macular area.<br/>Anaphylactic-Like Reactions: Anaphylactic-like reactions have been reported occasionally in patients previously exposed to PLATINOL. The reactions consist of facial edema, wheezing, tachycardia, and hypotension within a few minutes of drug administration. Reactions may be controlled by intravenous epinephrine with corticosteroids and/or antihistamines as indicated. Patients receiving PLATINOL should be observed carefully for possible anaphylactic-like reactions and supportive equipment and medication should be available to treat such a complication.<br/>Hepatotoxicity: Transient elevations of liver enzymes, especially SGOT, as well as bilirubin, have been reported to be associated with PLATINOL administration at the recommended doses.<br/>Other Events: Other toxicities reported to occur infrequently are cardiac abnormalities, hiccups, elevated serum amylase, and rash. Alopecia, malaise, asthenia, and dehydration have been reported as part of postmarketing surveillance. Local soft tissue toxicity has been reported rarely following extravasation of PLATINOL. Severity of the local tissue toxicity appears to be related to the concentration of the PLATINOL solution. Infusion of solutions with a PLATINOL concentration greater than 0.5 mg/mL may result in tissue cellulitis, fibrosis, and necrosis.
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PLATINOL (cisplatin for injection, USP) is indicated as therapy to be employed as follows:<br/>Metastatic Testicular Tumors: In established combination therapy with other approved chemotherapeutic agents in patients with metastatic testicular tumors who have already received appropriate surgical and/or radiotherapeutic procedures.<br/>Metastatic Ovarian Tumors: In established combination therapy with other approved chemotherapeutic agents in patients with metastatic ovarian tumors who have already received appropriate surgical and/or radiotherapeutic procedures. An established combination consists of PLATINOL and CYTOXAN (cyclophosphamide). PLATINOL, as a single agent, is indicated as secondary therapy in patients with metastatic ovarian tumors refractory to standard chemotherapy who have not previously received PLATINOL therapy.<br/>Advanced Bladder Cancer: PLATINOL is indicated as a single agent for patients with transitional cell bladder cancer which is no longer amenable to local treatments, such as surgery and/or radiotherapy.
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PLATINOL
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