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Generic Name: vincristine sulfate
Dosage Form: injection

WARNING
  • For Intravenous Use Only – Fatal if Given by Other Routes [see Warnings and Precautions (5.1)].
  • Death has occurred with intrathecal administration.
  • Marqibo (vinCRIStine sulfate LIPOSOME injection) has different dosage recommendations than vinCRIStine sulfate injection. Verify drug name and dose prior to preparation and administration to avoid overdosage.

Indications and Usage for Marqibo

Adult ALL in Second or Greater Relapse

Marqibo® is indicated for the treatment of adult patients with Philadelphia chromosome-negative (Ph-) acute lymphoblastic leukemia (ALL) in second or greater relapse or whose disease has progressed following two or more anti-leukemia therapies. This indication is based on overall response rate. Clinical benefit such as improvement in overall survival has not been verified.

Marqibo Dosage and Administration

For Intravenous Use Only. Fatal if Given by Other Routes.

Marqibo (vinCRIStine sulfate LIPOSOME injection) has different dosage recommendations than vincristine sulfate injection. Verify drug name and dose prior to preparation and administration to avoid overdosage.

Recommended Dosage

The recommended dose of Marqibo is 2.25 mg/m2 intravenously over 1 hour once every 7 days.

Marqibo is liposome-encapsulated vincristine.

Dose modifications: Peripheral Neuropathy

Marqibo is contraindicated in patients with demyelinating conditions including Charcot-Marie-Tooth syndrome [see Contraindications (4)]. Patients with preexisting severe neuropathy should be treated with Marqibo only after careful risk-benefit assessment [see Warnings and Precautions (5.3)]. For dose or schedule modifications guidelines for patients who experience peripheral neuropathy, see Table 1.

Table 1. Recommended Dose Modifications for Marqibo-related Peripheral Neuropathy
Severity of Peripheral Neuropathy Signs and Symptoms* Modification of Dose and Regimen
*
Grading based on the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v3.0.
Self-care ADL: refers to bathing, dressing and undressing, feeding self, using the toilet, taking medications, and not bedridden.
Instrumental ADL: refers to preparing meals, shopping for groceries and clothes, using telephone, managing money, etc.
If the patient develops Grade 3 (severe symptoms; limiting self-care activities of daily living [ADL]) or persistent Grade 2 (moderate symptoms; limiting instrumental ADL) peripheral neuropathy:

Interrupt Marqibo.

If the peripheral neuropathy remains at Grade 3 or 4, discontinue Marqibo.

If the peripheral neuropathy recovers to Grade 1 or 2, reduce the Marqibo dose to 2 mg/m2.

If the patient has persistent Grade 2 peripheral neuropathy after the first dose reduction to 2 mg/m2:

Interrupt Marqibo for up to 7 days.

If the peripheral neuropathy increases to Grade 3 or 4, discontinue Marqibo.

If peripheral neuropathy recovers to Grade 1, reduce the Marqibo dose to 1.825 mg/m2.

If the patient has persistent Grade 2 peripheral neuropathy after the second dose reduction to 1.825 mg/m2:

Interrupt Marqibo for up to 7 days.

If the peripheral neuropathy increases to Grade 3 or 4, discontinue Marqibo.

If the toxicity recovers to Grade 1, reduce the Marqibo dose to 1.5 mg/m2.

Preparation and Handling

2.3.1 Items Required by the Pharmacy to Prepare Marqibo

  • Marqibo Kit
  • Water bath1
  • Calibrated thermometer1 (0°C to 100°C)
  • Calibrated electronic timer1
  • Sterile venting needle or other suitable device equipped with a sterile 0.2 micron filter
  • 1 mL or 3 mL sterile syringe with needle, and
  • 5 mL sterile syringe with needle.
1
The manufacturer will provide the water bath, calibrated thermometer, and calibrated electronic timer to the medical facility at the initial order of Marqibo and will replace them every 2 years.

2.3.2 Preparation Instructions for Marqibo (vinCRIStine sulfate LIPOSOME injection), 5 mg/31 mL (0.16 mg/mL)

Procedures for handling and disposal of anticancer drugs should be followed [see References (15)].

Call [1 888 292 9617] if you have questions about the preparation of Marqibo. Marqibo takes approximately 60 to 90 minutes to prepare. The preparer should have dedicated uninterrupted time to prepare Marqibo due to the extensive monitoring of temperature and time required for the preparation.

Aseptic technique must be strictly observed since no preservative or bacteriostatic agent is present in Marqibo. The preparation steps of Marqibo that involve mixing the Sodium Phosphate Injection, Sphingomyelin/Cholesterol Liposome Injection, and VinCRIStine Sulfate Injection must be done in a biological safety cabinet or by established pharmacy safety procedures for the preparation of sterile injectable formulations and hazardous drugs. However, the preparation steps that involve placement of the vial in the water bath must be done outside of the sterile area.

Do not use with in-line filters. Do not mix with other drugs.

  1. Fill a water bath with water to a level of at least 8 cm (3.2 inches) measured from the bottom and maintain this minimum water level throughout the procedure. The water bath must remain outside of the sterile area.
  2. Place a calibrated thermometer in the water bath to monitor water temperature and leave it in the water bath until the procedure has been completed.
  3. Preheat water bath to 63°C to 67°C. Maintain this water temperature until completion of the procedure using the calibrated thermometer.
  4. Visually inspect each vial in the Marqibo Kit for particulate matter and discoloration prior to preparation, whenever solution and container permit. Do not use if a precipitate or foreign matter is present.
  5. Remove all the caps on the vials and swab the vials with sterile alcohol pads.
  6. Vent the Sodium Phosphate Injection vial with a sterile venting needle equipped with a sterile 0.2 micron filter or other suitable venting device in the biological safety cabinet. Always position venting needle point well above liquid level before adding Sphingomyelin/Cholesterol Liposome Injection and VinCRIStine Sulfate Injection.
  7. Withdraw 1 mL of Sphingomyelin/Cholesterol Liposome Injection.
  8. Inject 1 mL of Sphingomyelin/Cholesterol Liposome Injection into the Sodium Phosphate Injection vial.
  9. Withdraw 5 mL of VinCRIStine Sulfate Injection.
  10. Inject 5 mL of VinCRIStine Sulfate Injection into the Sodium Phosphate Injection vial.
  11. Remove the venting needle and gently invert the Sodium Phosphate Injection vial 5 times to mix. DO NOT SHAKE.
  12. Fit Flotation Ring around the neck of the Sodium Phosphate Injection vial.
  13. Confirm that the water bath temperature is at 63°C to 67°C using the calibrated thermometer. Remove the Sodium Phosphate Injection vial containing VinCRIStine Sulfate Injection, Sphingomyelin/Cholesterol Liposome Injection, and Sodium Phosphate Injection from the biological safety cabinet and place into the water bath for 10 minutes using the calibrated electronic timer. Monitor the temperature to ensure the temperature is maintained at 63°C to 67°C.
  14. IMMEDIATELY after placing the Sodium Phosphate Injection vial into the water bath, record the constitution start time and water temperature on the Marqibo Overlabel.
  15. At the end of the 10 minutes, confirm that the water temperature is 63°C to 67°C using the calibrated thermometer. Remove the vial from the water bath (use tongs to prevent burns) and remove the Flotation Ring.
  16. Record the final constitution time and the water temperature on the Marqibo Overlabel.
  17. Dry the exterior of the Sodium Phosphate Injection vial with a clean paper towel, affix Marqibo (vinCRIStine sulfate LIPOSOME injection) Overlabel, and gently invert 5 times to mix. DO NOT SHAKE.
  18. Permit the constituted vial contents to equilibrate for at least 30 minutes to controlled room temperature (15°C to 30°C, 59°F to 86°F).
  19. Marqibo (vinCRIStine sulfate LIPOSOME injection) contains 5 mg/31 mL (0.16 mg/mL) vincristine sulfate. ONCE PREPARED, STORE AT CONTROLLED ROOM TEMPERATURE (15°C to 30°C, 59°F to 86°F) FOR NO MORE THAN 12 HOURS.
  20. Swab the top of the vial now containing Marqibo with a sterile alcohol pad and return the vial back into the biological safety cabinet.
  21. Calculate the patient's Marqibo dose based on the patient's actual body surface area (BSA) and remove the volume corresponding to the patient's Marqibo dose from an infusion bag containing 100 mL of 5% Dextrose Injection or 0.9% Sodium Chloride Injection.
  22. Inject the dose of Marqibo into the infusion bag to result in a final volume of 100 mL.
  23. Complete the information required on the Infusion Bag Label and apply to the infusion bag.
  24. Finish administration of the diluted product within 12 hours of the initiation of Marqibo preparation.
  25. Empty, clean, and dry the water bath after each use.
  26. Deviations in temperature, time, and preparation procedures may fail to ensure proper encapsulation of vincristine sulfate into the liposomes. In the event that the preparation deviates from the instructions in the above steps, the components of the kit should be discarded and a new kit should be used to prepare the dose.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. Do not use if a precipitate or foreign matter is present.

Dosage Forms and Strengths

Marqibo is prepared from the components in the Marqibo Kit. Following the preparation procedure according to section 2.3.2, each single-dose vial of Marqibo (vinCRIStine sulfate LIPOSOME injection) contains 5 mg/31 mL (0.16 mg/mL) vincristine sulfate.

Contraindications

Marqibo is contraindicated in patients with demyelinating conditions including Charcot-Marie-Tooth syndrome.

Marqibo is contraindicated in patients with hypersensitivity to vincristine sulfate or any of the other components of Marqibo (vinCRIStine sulfate LIPOSOME injection).

Marqibo is contraindicated for intrathecal administration.

Warnings and Precautions

For Intravenous Use Only

Fatal if Given by Other Routes. Death has occurred with intrathecal use.

Extravasation Tissue Injury

Only administer through a secure and free-flowing venous access line. If extravasation is suspected, discontinue infusion immediately and consider local treatment measures.

Neurologic Toxicity

Sensory and motor neuropathies are common and are cumulative. Monitor patients for symptoms of neuropathy, such as hypoesthesia, hyperesthesia, paresthesia, hyporeflexia, areflexia, neuralgia, jaw pain, decreased vibratory sense, cranial neuropathy, ileus, burning sensation, arthralgia, myalgia, muscle spasm, or weakness, both before and during treatment. Orthostatic hypotension may occur. The risk of neurologic toxicity is greater if Marqibo is administered to patients with preexisting neuromuscular disorders or when other drugs with risk of neurologic toxicity are being given. In the studies of relapsed and/or refractory adult ALL patients, Grade ≥ 3 neuropathy events occurred in 32.5% of patients. Worsening neuropathy requires dose delay, reduction, or discontinuation of Marqibo [see Dosage and Administration (2.2)].

Myelosuppression

Monitor complete blood counts prior to each dose of Marqibo. If Grade 3 or 4 neutropenia, thrombocytopenia, or anemia develops, consider Marqibo dose modification or reduction as well as supportive care measures.

Tumor Lysis Syndrome

Tumor lysis syndrome (TLS) may occur in patients with ALL receiving Marqibo. Anticipate, monitor for, and manage.

Constipation and Bowel Obstruction

Ileus, bowel obstruction, and colonic pseudo-obstruction have occurred. Marqibo can cause constipation [see Adverse Reactions (6)]. Institute a prophylactic bowel regimen to mitigate potential constipation, bowel obstruction, and/or paralytic ileus, considering adequate dietary fiber intake, hydration, and routine use of stool softeners, such as docusate. Additional treatments, such as senna, bisacodyl, milk of magnesia, magnesium citrate, and lactulose may be considered.

Fatigue

Marqibo can cause severe fatigue. Marqibo dose delay, reduction, or discontinuation may be necessary.

Hepatic Toxicity

Fatal liver toxicity and elevated levels of aspartate aminotransferase have occurred. Elevated levels of aspartate aminotransferase of Grade ≥3 occurred in 6-11% of patients in clinical trials. Monitor hepatic function tests. Reduce or interrupt Marqibo for hepatic toxicity.

Embryofetal Toxicity

Marqibo can cause fetal harm when administered to a pregnant woman. Vincristine sulfate liposome injection was teratogenic or caused embryo-fetal death in animals. Women of childbearing potential should avoid becoming pregnant while being treated with Marqibo. There are no adequate and well-controlled studies of Marqibo in pregnant women and there were no reports of pregnancy in any of the clinical studies in the Marqibo clinical development program. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus [see Use in Specific Populations (8.1)].

Adverse Reactions

The following adverse reactions are also discussed in other sections of the labeling:

Clinical Trials Safety Experience

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 clinical practice.

Integrated Summary of Safety in Relapsed and/or Refractory Ph- Adult Acute Lymphoblastic Leukemia

Marqibo, at a dose of 2.25 mg/m2 weekly, was studied in a total of 83 patients in two trials: study 1 and study 2. Adverse reactions were observed in 100% of patients. The most common adverse reactions (>30%) were constipation (57%), nausea (52%), pyrexia (43%), fatigue (41%), peripheral neuropathy (39%), febrile neutropenia (38%), diarrhea (37%), anemia (34%), decreased appetite (33%), and insomnia (32%).

Adverse reactions of Grade 3 or greater were reported in 96% of patients. Adverse reactions of Grade 3 or greater and occurring in ≥ 5% of patients are summarized in Table 2.

Table 2. Most Commonly Reported (> 5%) Grade * 3 or Greater Adverse Reactions among 83 Patients Receiving the Clinical Dosing Regimen
Adverse Reactions Grade ≥ 3 Study 1 and 2
(N=83)
n (%)
*
National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v3.0.
Including neuropathy-associated adverse reactions.
Blood and Lymphatic System Disorders 47 (56.6)
  Febrile Neutropenia 26 (31.3)
  Neutropenia 15 (18.1)
  Anemia 14 (16.9)
  Thrombocytopenia 14 (16.9)
Infections 33 (39.8)
  Pneumonia 7 (8.4)
  Septic Shock 5 (6.0)
  Staphylococcal Bacteremia 5 (6.0)
Neuropathy 27 (32.5)
  Peripheral Sensory and Motor Neuropathy 14 (16.7)
  Constipation 4 (4.8)
  Ileus, Colonic Pseudo-Obstruction 5 (6.0)
  Asthenia 4 (4.8)
  Muscular Weakness 1 (1.2)
Respiratory Thoracic and Mediastinal Disorders 17 (20.5)
  Respiratory Distress 5 (6.0)
  Respiratory Failure 4 (4.8)
General Disorders and Administration Site Condition 31 (37.3)
  Pyrexia 12 (14.5)
  Fatigue 10 (12.0)
  Pain 7 (8.4)
Gastrointestinal Disorders 21 (25.3)
  Abdominal Pain 7 (8.4)
Investigations 20 (24.1)
  Aspartate Aminotransferase Increased 6 (7.2)
Vascular Disorders 8 (9.6)
  Hypotension 5 (6.0)
Psychiatric Disorders 9 (10.8)
  Mental Status Changes 3 (3.6)
Cardiac Disorders 9 (10.8)
  Cardiac Arrest 5 (6.0)
Renal and Urinary Disorders 6 (7.2)
Musculoskeletal and Connective Tissue Disorders 7 (8.4)

A total of 75.9% of patients experienced serious adverse events (SAEs) during the studies. The most commonly reported SAEs included febrile neutropenia (20.5%), pyrexia (13.3%), hypotension (7.2%), respiratory distress (6.0%), and cardiac arrest (6.0%).

Dose reduction, delay, or omission occurred in 53% of patients during the treatment.

Twenty-eight percent of patients experienced adverse reactions leading to treatment discontinuation. The most common adverse reactions that caused treatment discontinuation were peripheral neuropathy (10%), leukemia-related (7%), and tumor lysis syndrome (2%).

Adverse reactions related to neuropathy and leading to treatment discontinuation were decreased vibratory sense, facial palsy, hyporeflexia, constipation, asthenia, fatigue, and musculoskeletal pain, each reported in at least 1 patient.

Deaths occurred in 23% of patients in study 1. The non-leukemia related causes of deaths were brain infarct (1), intracerebral hemorrhage (2), liver failure (1), multi system organ failure (2), pneumonia and septic shock (3), respiratory failure (4), pulmonary hemorrhage (1), and sudden cardiac death (1).

Drug Interactions

No formal drug interaction studies have been conducted with Marqibo. Marqibo is expected to interact with drugs known to interact with non-liposomal vincristine sulfate.

Simultaneous oral or intravenous administration of phenytoin and antineoplastic chemotherapy combinations that included non-liposomal vincristine sulfate have been reported to reduce blood levels of phenytoin and to increase seizure activity.

CYP3A Interactions

Vincristine sulfate, the active agent in Marqibo, is a substrate for cytochrome P450 3A isozymes (CYP3A); therefore, the concomitant use of strong CYP3A inhibitors should be avoided (e.g., ketoconazole, itraconazole, voriconazole, posaconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin). Similarly, the concomitant use of strong CYP3A inducers should be avoided (e.g., dexamethasone, phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. John's Wort).

P-glycoprotein Interactions

Vincristine sulfate, the active agent in Marqibo, is also a substrate for P-glycoprotein (P-gp). The effect of concomitant use of potent P-gp inhibitors or inducers has not been investigated; it is likely that these agents will alter the pharmacokinetics or pharmacodynamics of Marqibo. Therefore the concomitant use of potent P-gp inhibitors or inducers should be avoided.

USE IN SPECIFIC POPULATIONS

Pregnancy

Pregnancy Category D [see Warnings and Precautions (5.9)]

Based on its mechanism of action and findings from animal studies, Marqibo can cause fetal harm when administered to pregnant women.

If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus. In an embryofetal developmental study, pregnant rats were administered vincristine sulfate liposome injection intravenously during the period of organogenesis at vincristine sulfate doses of 0.022 to 0.09 mg/kg/day. Drug-related adverse effects included fetal malformations (skeletal and visceral), decreases in fetal weights, increased numbers of early resorptions and post-implantation losses, and decreased maternal body weights Malformations were observed at doses ≥ 0.044 mg/kg/day in animals at systemic exposures approximately 20-40% of those reported in patients at the recommended dose.

Nursing Mothers

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or discontinue the drug taking into account the importance of the drug to the mother.

Pediatric Use

The safety and effectiveness of Marqibo in pediatric patients have not been established.

Geriatric Use

Safety and effectiveness in elderly individuals have not been established. In general, dose selection for an elderly patient should be cautious, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

Renal Impairment

The influence of renal impairment on the safety, efficacy, and pharmacokinetics of Marqibo has not been evaluated.

Hepatic Impairment

Non-liposomal vincristine sulfate is excreted primarily by the liver. The influence of severe hepatic impairment on the safety and efficacy of Marqibo has not been evaluated.

The pharmacokinetics of Marqibo was evaluated in patients with moderate hepatic dysfunction (Child-Pugh B) secondary to melanoma liver metastases. The dose-adjusted maximum plasma concentration (Cmax) and area under the concentration-time curve (AUC) of Marqibo in patients with moderate hepatic impairment was comparable to the Cmax and AUC of patients with ALL who had otherwise normal hepatic function.

Overdosage

When Marqibo (vinCRIStine sulfate LIPOSOME injection) was administered at a dose of 2.4 mg/m2, severe toxicities including motor neuropathy of Grade 3, grand mal seizure of Grade 4, and elevated aspartate aminotransferase and hyperbilirubinemia of Grade 4 were reported in 1 patient each. There is no known antidote for overdosage.

Marqibo Description

Marqibo (vinCRIStine sulfate LIPOSOME injection) is vincristine encapsulated in sphingomyelin/cholesterol liposomes for intravenous administration.

The active ingredient in Marqibo is vincristine sulfate. Vincristine sulfate is a vinca alkaloid isolated as a 1:1 sulfate salt from the periwinkle plant (Catharanthus roseus). It is a hygroscopic, white to slightly yellowish crystalline powder that is soluble in water. It has a molecular weight of 923.04 (salt form) / 824.98 (base form) and a molecular formula of C46H56N4O10 • H2SO4. The chemical name for vincristine sulfate is 22-oxovincaleukoblastine and it has the following chemical structure:

Vincristine is encapsulated in a Sphingomyelin/Cholesterol liposome. The lipid components in the liposome are sphingomyelin and cholesterol at a molar ratio of approximately 60:40 (mol:mol).

After preparation, each vial of Marqibo contains 5 mg vincristine sulfate, 500 mg mannitol, 73.5 mg sphingomyelin, 29.5 mg cholesterol, 36 mg sodium citrate, 38 mg citric acid, 355 mg sodium phosphate, and 225 mg sodium chloride.

Marqibo (vinCRIStine sulfate LIPOSOME injection) appears as a white to off-white, translucent suspension, essentially free of visible foreign matter and aggregates, comprised of sphingomyelin/cholesterol liposomes, with an approximate liposome mean diameter of 100 nm. Greater than 95% of the drug is encapsulated in the liposomes.

The Marqibo Kit component vials for the preparation of Marqibo (vinCRIStine sulfate LIPOSOME injection) include:

  • VinCRIStine Sulfate Injection, USP (5 mg/5 mL). Each VinCRIStine Sulfate Injection vial consists of 5 mg/5 mL vincristine sulfate (which is equivalent to 4.5 mg/5 mL vincristine free base) and 500 mg/5 mL mannitol.
  • Sphingomyelin/Cholesterol Liposome Injection (103 mg/mL). Each Sphingomyelin/Cholesterol Liposome Injection vial consists of 73.5 mg/mL sphingomyelin, 29.5 mg/mL cholesterol, 33.6 mg/mL citric acid, 35.4 mg/mL sodium citrate, and not more than 0.1% ethanol.
  • Sodium Phosphate Injection (355 mg/25 mL). Each Sodium Phosphate Injection vial consists of 355 mg/25 mL dibasic sodium phosphate and 225 mg/25 mL sodium chloride.

Marqibo - Clinical Pharmacology

Mechanism of Action

Marqibo is a sphingomyelin/cholesterol liposome-encapsulated formulation of vincristine sulfate. Non-liposomal vincristine sulfate binds to tubulin, altering the tubulin polymerization equilibrium, resulting in altered microtubule structure and function. Non-liposomal vincristine sulfate stabilizes the spindle apparatus, preventing chromosome segregation, triggering metaphase arrest and inhibition of mitosis.

Pharmacokinetics

The plasma pharmacokinetics of Marqibo was investigated in 13 adult patients with relapsed ALL who received a Marqibo dose of 2.25 mg/m2 administered as a 1-hour intravenous infusion. The calculated pharmacokinetic parameters for total plasma vincristine sulfate are given in Table 3. The vincristine sulfate levels reported in Table 3 reflect liposome-encapsulated drug that may not be immediately bioavailable and may not be directly comparable to plasma levels of vincristine sulfate after administration of non-liposomal vincristine sulfate, which is immediately bioavailable.

Table 3. Pharmacokinetic Parameters from Patients with Acute Lymphoblastic Leukemia Treated with 2.25 mg/m2 Marqibo*
Variable N Mean SE Median Range
*
Dose was administered as a 1-hour infusion.
AUC (h∙ng/mL) 13 14566 1766 13680 7036-26074
CL (mL/h) 12 345 100 302 148-783
Cmax (ng/mL) 13 1220 64 1230 919-1720

The plasma clearance (CL) of Marqibo is slow, 345 mL/h, at a dose of 2.25 mg/m2. This is in comparison to the rapid clearance of non-liposomal vincristine sulfate at 189 mL/min/m2 (11,340 mL/h). The slow clearance of Marqibo contributes to a much higher AUC for Marqibo relative to non-liposomal vincristine sulfate.

Following intravenous administration of Marqibo, urinary excretion was a minor route of elimination for vincristine sulfate and its metabolite. Less than 8% of the administered Marqibo dose was eliminated in urine over a 96-hour observation period, which is similar to the urinary excretion of non-liposomal vincristine sulfate. Following non-liposomal vincristine sulfate infusion, the main route of vincristine sulfate excretion was the fecal route, accounting for 69% of the administered dose over 72 hours.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment of Fertility

No carcinogenicity studies have been conducted with Marqibo or non-liposomal vincristine sulfate. Based on the mechanism of action and genotoxicity findings in nonclinical studies conducted with non-liposomal vincristine sulfate, Marqibo may be carcinogenic.

No genotoxicity studies have been conducted with Marqibo. Non-liposomal vincristine was genotoxic in some in vitro and in vivo studies.

The single- and repeat-dose animal toxicology study results indicate that Marqibo can impair male fertility, consistent with the literature on non-liposomal vincristine sulfate. Administration of vincristine liposome injection causes testicular degeneration and atrophy, and epididymal aspermia in rats.

Gonadal dysfunction has been reported in both male and female post-pubertal patients who received multi-agent chemotherapy including non-liposomal vincristine sulfate. The degree to which testicular or ovarian functions are affected is age-, dose-, and agent-dependent. Recovery may occur in some but not all patients.

Animal Toxicology and/or Pharmacology

In a repeat-dose comparative toxicology study in rats, vincristine sulfate liposome injection or non-liposomal vincristine sulfate was administered to animals intravenously once per week for 6 weeks. Clinical signs of toxicity consistent with neurotoxicity were greater with vincristine sulfate liposome injection than with non-liposomal vincristine sulfate at equal vincristine sulfate doses of 2 mg/m2/week and included uncoordinated movements, weakness, reduced muscle tone, and limited usage of the limbs. Neurological testing indicated drug-induced peripheral neurotoxicity with both drugs. Based on the histopathology examination after 6 weekly doses, vincristine sulfate liposome injection induced greater peripheral neurotoxicity (nerve fiber degeneration) and secondary skeletal muscle atrophy than the equal dose of non-liposomal vincristine sulfate. In a separate tissue distribution study in rats, administration of 2 mg/m2 of intravenous liposomal or non-liposomal vincristine sulfate showed greater accumulation of vincristine sulfate in sciatic and tibial nerves (as well as the lymph nodes, spleen, and bone marrow) of the animals following vincristine sulfate liposome injection.

Clinical Studies

Acute Lymphoblastic Leukemia

Marqibo was studied in an international, open-label, multi-center, single-arm trial (Study 1). Eligible patients were 18 years of age or older with Philadelphia chromosome negative ALL in second or greater relapse or whose disease progressed after two or greater treatment lines of anti-leukemia therapy. Patients had to have achieved a complete remission (CR) to at least one prior anti-leukemia chemotherapy, defined by a leukemia-free interval of equal or more than 90 days. Patients were not eligible for immediate hematopoietic stem cell transplantation (HSCT) at the time of screening and enrollment.

Patients received intravenous Marqibo monotherapy at 2.25 mg/m2 over 60 minutes every 7 days. Concomitant corticosteroids were not permitted beyond Day 5.

The treated population included 65 patients who received at least 1 dose of Marqibo. All of the treated patients had received prior vincristine sulfate and 80% had evidence of residual neuropathy at study baseline. Among treated patients, 51% were male, 86% were white, 45% were under 30 years of age, 11% were age 65 or older, 48% had undergone prior HSCT, 51% had received 3 or more prior therapies, and 45% were refractory to their immediate prior therapy. Disease characteristics were 85% precursor B-cell ALL and 15% precursor T-cell ALL. In addition, 22 of 65 (34%) treated patients did not receive asparaginase products prior to enrollment. Efficacy results are shown in Table 4.

Table 4. Study 1 Results
Study 1
(N=65)
n (%)
*
CI = Confidence interval (Clopper-Pearson).
Complete remission (CR) 3 (4.6)
CR with incomplete blood count recovery (CRi) 7 (10.8)
  CR + CRi 10 (15.4)
  (95% CI*) (7.6 – 26.5)
MEDIAN DURATION of CR or CRi: Days (95% CI)
Based on the first date of CR or CRi to the date of the last available histologic assessment of the same response (n=8) 28 (7, 36)
Based on the first date of CR or CRi to date of documented relapse, death, or subsequent chemotherapies including hematopoietic stem cell transplant (HSCT) (n=10) 56 (9, 65)

REFERENCES

  1. NIOSH Alert: Preventing occupational exposure to antineoplastic and other hazardous drugs in healthcare settings. 2004. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2004-165.
  2. OSHA Technical Manual, TED 1-0.15A, Section VI: Chapter 2. Controlling Occupational Exposure to Hazardous Drugs. OSHA, 1999. http://www.osha.gov/dts/osta/otm/otm_vi/otm_vi_2.html
  3. American Society of Health-System Pharmacists. ASHP guidelines on handling hazardous drugs. Am J Health-Syst Pharm. (2006) 63:1172-1193.
  4. Polovich M, White JM, Kelleher LO (eds.) 2005. Chemotherapy and biotherapy guidelines and recommendations for practice (2nd. ed.) Pittsburgh, PA: Oncology Nursing Society.

How Supplied/Storage and Handling

The Marqibo Kit (NDC # 20536-322-01) contains:

  • Vial containing VinCRIStine Sulfate Injection, USP 5 mg/5 mL (1 mg/mL) – NDC # 20536-323-01
  • Vial containing Sphingomyelin/Cholesterol Liposome Injection 103 mg/mL – NDC # 20536-324-01
  • Vial containing Sodium Phosphate Injection 355 mg/25 mL (14.2 mg/mL) – NDC # 20536-325-01
  • Flotation Ring
  • Overlabel for Sodium Phosphate Injection vial containing constituted Marqibo (vinCRIStine sulfate LIPOSOME injection), 5 mg/31 mL (0.16 mg/mL)
  • Infusion Bag Label

Storage

Store the Marqibo Kit in the refrigerator at 2°C to 8°C – Do Not Freeze

Patient Counseling Information

Physicians are advised to discuss the following with patients prior to treatment with Marqibo:

Extravasation Tissue Injury: Advise patients to report immediately any burning or local irritation during or after the infusion [see Warnings and Precautions (5.2)].

Ability to Drive or Operate Machinery or Impairment of Mental Ability: Marqibo may cause fatigue and symptoms of peripheral neuropathy. Advise patients not to drive or operate machinery if they experience any of these symptoms [see Warnings and Precautions (5.3, 5.7)].

Gastrointestinal/Constipation: Patients receiving Marqibo may experience constipation. Advise patients how to avoid constipation by a diet high in bulk fiber, fruits and vegetables, and adequate fluid intake as well as use of a stool softener, such as docusate. Instruct patients to seek medical advice if they experience symptoms of constipation such bowel movement infrequency, abdominal pain, bloating, diarrhea, nausea, or vomiting [see Warnings and Precautions (5.6)].

Pregnancy/Nursing: Advise patients to use effective contraceptive measures to prevent pregnancy during treatment with Marqibo [see Warnings and Precautions (5.9)]. Instruct patients to report pregnancy to their physicians immediately. Advise patients that they should not receive Marqibo while pregnant or breastfeeding. If a patient wishes to re-start breastfeeding after treatment, she should be advised to discuss the appropriate timing with her physician [see Use in Specific Populations (8.3)].

Concomitant Medications: Advise patients to speak with their physicians about any other medication they are currently taking [see Drug Interactions (7)].

Peripheral Neuropathy: Advise patients to contact their physicians if they experience new or worsening symptoms of peripheral neuropathy such as tingling, numbness, pain, a burning feeling in the feet or hands, or weakness in the feet or hands [see Warnings and Precautions (5.3)].

Other: Instruct patients to notify their physicians if they experience fever, productive cough, or decreased appetite [see Warnings and Precautions (5.4)].

Manufactured by:
VinCRIStine Sulfate Injection, USP
Hospira Australia Pty Ltd
Mulgrave, Victoria 3170
Australia

Sphingomyelin/Cholesterol Liposome Injection
Cangene Corporation
Winnipeg, Manitoba R3T 5Y3
Canada

Sodium Phosphate Injection
Jubilant HollisterStier
Spokane, WA 99207

Marqibo Kit for the Preparation of vinCRIStine sulfate LIPOSOME injection
Anderson Packaging, Inc
Rockford, IL 61109

Distributed by:
Talon Therapeutics, Inc.
400 Oyster Point Boulevard, Suite 200
South San Francisco, CA 94080

PRINCIPAL DISPLAY PANEL - 5 mg/5 mL Vial Label

NDC 20536-323-01

Rx only

VinCRIStine Sulfate Injection, USP
5 mg/5 mL (1 mg/mL)

for use only in the preparation of Marqibo®

Single Use Vial – Discard Unused Portion

See package insert for preparation instructions

Mfg. for: Talon Therapeutics, Inc., South San Francisco, CA 94080
Mfg. by: Hospira Australia Pty Ltd, Mulgrave VIC 3170, Australia

PRINCIPAL DISPLAY PANEL - 103 mg/mL Vial Label

NDC 20536-324-01

Rx only

Sphingomyelin-Cholesterol Liposome Injection
103 mg/mL

for use only in the preparation of Marqibo®

Single Use Vial – Discard Unused Portion

See package insert for preparation instructions

Mfg. for: Talon Therapeutics, Inc., South San Francisco, CA 94080
Mfg. by: Cangene Corporation, Winnipeg, MB Canada R3T 5Y3

PRINCIPAL DISPLAY PANEL - 355 mg/25 mL Vial Label

NDC 20536-325-01

Rx only

Sodium Phosphate Injection
355 mg/25 mL (14.2 mg/mL)

for use only in the preparation of Marqibo®

Single Use Vial – Discard Unused Portion

See package insert for preparation instructions

Mfg. for: Talon Therapeutics, Inc., South San Francisco, CA 94080
Mfg. by: Jubilant HollisterStier, Spokane, WA 99207

Store at 2°C to 8°C
(36°F to 46°F)
DO NOT FREEZE.

PRINCIPAL DISPLAY PANEL - Kit Label

NDC 20536-322-01

Rx only

Marqibo®
(vinCRIStine sulfate LIPOSOME injection)

Marqibo Kit Contents:

  • Sodium Phosphate Injection Vial 355 mg/25 mL (14.2 mg/mL)
  • Sphingomyelin-Cholesterol Liposome Injection Vial 103 mg/mL
  • VinCRIStine Sulfate Injection, USP Vial 5 mg/5 mL (1 mg/mL)
  • Floatation Ring
  • Overlabel and Infusion Bag Label
  • Package Insert

Store kit at 2°C to 8°C (36°F to 46°F). DO NOT FREEZE.

For Intravenous Use Only
Fatal If Given By Other Routes

Single Use Vials – Discard Unsued Portion

Marqibo 
vincristine sulfate kit
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:20536-322
Packaging
# Item Code Package Description
1 NDC:20536-322-01 1 KIT in 1 CARTON
Quantity of Parts
Part # Package Quantity Total Product Quantity
Part 1 1 VIAL, GLASS 5 mL
Part 2 1 VIAL, GLASS 1 mL
Part 3 1 VIAL, GLASS 25 mL
Part 1 of 3
VINCRISTINE SULFATE 
vincristine sulfate injection, solution
Product Information
Item Code (Source) NDC:20536-323    
Route of Administration INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
Vincristine Sulfate (Vincristine) Vincristine Sulfate 5 mg  in 5 mL
Inactive Ingredients
Ingredient Name Strength
Mannitol 500 mg  in 5 mL
Sodium Hydroxide  
Sulfuric Acid  
Water  
Packaging
# Item Code Package Description
1 NDC:20536-323-01 5 mL in 1 VIAL, GLASS
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA202497 01/14/2013
Part 2 of 3
SPHINGOMYELIN-CHOLESTEROL 
cholesterol, citric acid monohydrate, sodium citrate, alcohol, and water injection, suspension, liposomal
Product Information
Item Code (Source) NDC:20536-324    
Route of Administration INTRAVENOUS DEA Schedule     
Inactive Ingredients
Ingredient Name Strength
Cholesterol  
Citric Acid Monohydrate  
Sodium Citrate  
Alcohol  
Water  
Packaging
# Item Code Package Description
1 NDC:20536-324-01 1 mL in 1 VIAL, GLASS
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA202497 01/14/2013
Part 3 of 3
SODIUM PHOSPHATE 
sodium phosphate, dibasic, heptahydrate, sodium chloride, and water injection, solution
Product Information
Item Code (Source) NDC:20536-325    
Route of Administration INTRAVENOUS DEA Schedule     
Inactive Ingredients
Ingredient Name Strength
Sodium Phosphate, Dibasic, Heptahydrate 14.2 mg  in 1 mL
Sodium Chloride  
Water  
Packaging
# Item Code Package Description
1 NDC:20536-325-01 25 mL in 1 VIAL, GLASS
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA202497 01/14/2013
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA202497 01/14/2013
Labeler - Talon Therapeutics, Inc (147517044)
Establishment
Name Address ID/FEI Operations
Fine Chemicals (PTY) 568855923 API MANUFACTURE(20536-322), ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
Hospira Australia Pty Ltd 758967652 MANUFACTURE(20536-322), ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
Cangene 244844056 MANUFACTURE(20536-322), ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
Jubilant Hollister-Stier 069263643 MANUFACTURE(20536-322), ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
Nucro 241266845 ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
PPD Development, LP 838082055 ANALYSIS(20536-322)
Establishment
Name Address ID/FEI Operations
AndersonBrecon 053217022 LABEL(20536-322), PACK(20536-322)
Revised: 10/2012
 
Talon Therapeutics, Inc

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