BELRAPZO

BELRAPZO- bendamustine hydrochloride injection
Eagle Pharmaceuticals, Inc

1 INDICATIONS AND USAGE

1.1 Chronic Lymphocytic Leukemia (CLL)

BELRAPZO is indicated for the treatment of patients with chronic lymphocytic leukemia. Efficacy relative to first line therapies other than chlorambucil has not been established.

1.2 Non-Hodgkin Lymphoma (NHL)

BELRAPZO is indicated for the treatment of patients with indolent B-cell non-Hodgkin lymphoma that has progressed during or within six months of treatment with rituximab or a rituximab-containing regimen.

2 DOSAGE AND ADMINISTRATION

2.1 Dosing Instructions for CLL

Recommended Dosage:
The recommended dose is 100 mg/m2 administered intravenously over 30 minutes on Days 1 and 2 of a 28-day cycle, up to 6 cycles.

Dose Delays, Dose Modifications and Reinitiation of Therapy for CLL:Delay BELRAPZO administration in the event of Grade 4 hematologic toxicity or clinically significant Grade 2 or greater non-hematologic toxicity. Once non-hematologic toxicity has recovered to less than or equal to Grade 1 and/or the blood counts have improved [Absolute Neutrophil Count (ANC) ≥ 1 x 109 /L, platelets ≥ 75 x 109 /L], reinitiate BELRAPZO at the discretion of the treating physician. In addition, consider dose reduction. [see Warnings and Precautions (5.1)]

Dose modifications for hematologic toxicity: for Grade 3 or greater toxicity, reduce the dose to 50 mg/m2 on Days 1 and 2 of each cycle; if Grade 3 or greater toxicity recurs, reduce the dose to 25 mg/m2 on Days 1 and 2 of each cycle.

Dose modifications for non-hematologic toxicity: for clinically significant Grade 3 or greater toxicity, reduce the dose to 50 mg/m2 on Days 1 and 2 of each cycle.

Consider dose re-escalation in subsequent cycles at the discretion of the treating physician.

2.2 Dosing Instructions for NHL

Recommended Dosage:

The recommended dose is 120 mg/m2 administered intravenously over 60 minutes on Days 1 and 2 of a 21-day cycle, up to 8 cycles.

Dose Delays, Dose Modifications and Reinitiation of Therapy for NHL:

Delay BELRAPZO administration in the event of a Grade 4 hematologic toxicity or clinically significant greater or equal to Grade 2 non-hematologic toxicity. Once non-hematologic toxicity has recovered to ≤ Grade 1 and/or the blood counts have improved [Absolute Neutrophil Count (ANC) ≥ 1 x 109 /L, platelets ≥ 75 x 109 /L], reinitiate BELRAPZO at the discretion of the treating physician. In addition, consider dose reduction. [see Warnings and Precautions (5.1)]

Dose modifications for hematologic toxicity: for Grade 4 toxicity, reduce the dose to 90 mg/m2 on Days 1 and 2 of each cycle; if Grade 4 toxicity recurs, reduce the dose to 60 mg/m2 on Days 1 and 2 of each cycle.

Dose modifications for non-hematologic toxicity: for Grade 3 or greater toxicity, reduce the dose to 90 mg/m2 on Days 1 and 2 of each cycle; if Grade 3 or greater toxicity recurs, reduce the dose to 60 mg/m2 on Days 1 and 2 of each cycle.

2.3 Preparation for Intravenous Administration

BELRAPZO is a cytotoxic drug. Follow applicable special handling and disposal procedures.1

BELRAPZO is in a multiple-dose vial. BELRAPZO is a clear and colorless to yellow solution. Store BELRAPZO at recommended refrigerated storage conditions (2° to 8°C or 36° to 46°F). When refrigerated the contents may freeze. Allow the vial to reach room temperature (15° to 30°C or 59° to 86°F) prior to use. Observe the contents of the vial for any visible solid or particulate matter. Do not use the product if solid or particulate matter is observed after reaching room temperature.

Intravenous Infusion

Aseptically withdraw the volume needed for the required dose from the 25 mg/mL solution as per Table A below and immediately transfer to a 500 mL infusion bag of one of the following diluents:

  • 0.9% Sodium Chloride Injection, USP; or
  • 2.5% Dextrose/0.45% Sodium Chloride Injection, USP.

The resulting final concentration of bendamustine HCl in the infusion bag should be within 0.2 – 0.7 mg/mL. After transferring, thoroughly mix the contents of the infusion bag. The admixture should be a clear and colorless to slightly yellow solution.

Use either 0.9% Sodium Chloride Injection, USP, or 2.5% Dextrose/0.45% Sodium Chloride Injection, USP, for dilution, as outlined above. No other diluents have been shown to be compatible.

Table A: Volume (mL) of BELRAPZO required for dilution into 500 mL of 0.9% Saline, or 0.45% Saline/2.5% Dextrose for a given dose (mg/m2) and Body Surface Area (m2)

Body Surface Area (m2) Volume of BELRAPZO to withdraw (mL)
120 mg/m2 100 mg/m2 90 mg/m2 60 mg/m2 50 mg/m2 25 mg/m2
1 4.8 4 3.6 2.4 2 1
1.1 5.3 4.4 4 2.6 2.2 1.1
1.2 5.8 4.8 4.3 2.9 2.4 1.2
1.3 6.2 5.2 4.7 3.1 2.6 1.3
1.4 6.7 5.6 5 3.4 2.8 1.4
1.5 7.2 6 5.4 3.6 3 1.5
1.6 7.7 6.4 5.8 3.8 3.2 1.6
1.7 8.2 6.8 6.1 4.1 3.4 1.7
1.8 8.6 7.2 6.5 4.3 3.6 1.8
1.9 9.1 7.6 6.8 4.6 3.8 1.9
2 9.6 8 7.2 4.8 4 2
2.1 10.1 8.4 7.6 5 4.2 2.1
2.2 10.6 8.8 7.9 5.3 4.4 2.2
2.3 11 9.2 8.3 5.5 4.6 2.3
2.4 11.5 9.6 8.6 5.8 4.8 2.4
2.5 12 10 9 6 5 2.5
2.6 12.5 10.4 9.4 6.2 5.2 2.6
2.7 13 10.8 9.7 6.5 5.4 2.7
2.8 13.4 11.2 10.1 6.7 5.6 2.8
2.9 13.9 11.6 10.4 7 5.8 2.9
3 14.4 12 10.8 7.2 6 3

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. Any unused solution should be discarded according to institutional procedures for antineoplastics.

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