Ruxience

RUXIENCE- rituximab injection, solution
Pfizer Laboratories Div Pfizer Inc

WARNING: FATAL INFUSION-RELATED REACTIONS, SEVERE MUCOCUTANEOUS REACTIONS, HEPATITIS B VIRUS REACTIVATION and PROGRESSIVE MULTIFOCAL LEUKOENCEPHALOPATHY

Infusion-Related Reactions

Administration of rituximab products can result in serious, including fatal, infusion-related reactions. Deaths within 24 hours of rituximab infusion have occurred. Approximately 80% of fatal infusion-related reactions occurred in association with the first infusion. Monitor patients closely. Discontinue RUXIENCE infusion for severe reactions and provide medical treatment for Grade 3 or 4 infusion-related reactions [see Warnings and Precautions (5.1), Adverse Reactions (6.1)].

Severe Mucocutaneous Reactions

Severe, including fatal, mucocutaneous reactions can occur in patients receiving rituximab products [see Warnings and Precautions (5.2)].

Hepatitis B Virus (HBV) Reactivation

HBV reactivation can occur in patients treated with rituximab products, in some cases resulting in fulminant hepatitis, hepatic failure, and death. Screen all patients for HBV infection before treatment initiation, and monitor patients during and after treatment with RUXIENCE. Discontinue RUXIENCE and concomitant medications in the event of HBV reactivation [see Warnings and Precautions (5.3)].

Progressive Multifocal Leukoencephalopathy (PML)

Progressive Multifocal Leukoencephalopathy (PML), including fatal PML, can occur in patients receiving rituximab products [see Warnings and Precautions (5.4), Adverse Reactions (6.3)].

1 INDICATIONS AND USAGE

1.1 Non-Hodgkin’s Lymphoma (NHL)

RUXIENCE is indicated for the treatment of adult patients with:

Relapsed or refractory, low-grade or follicular, CD20-positive, B-cell NHL as a single agent.
Previously untreated follicular, CD20-positive, B-cell NHL in combination with first line chemotherapy and, in patients achieving a complete or partial response to a rituximab product in combination with chemotherapy, as single-agent maintenance therapy.
Non-progressing (including stable disease), low-grade, CD20-positive, B-cell NHL as a single agent after first-line cyclophosphamide, vincristine, and prednisone (CVP) chemotherapy.
Previously untreated diffuse large B-cell, CD20-positive NHL in combination with cyclophosphamide, doxorubicin, vincristine, prednisone (CHOP) or other anthracycline-based chemotherapy regimens.

1.2 Chronic Lymphocytic Leukemia (CLL)

RUXIENCE, in combination with fludarabine and cyclophosphamide (FC), is indicated for the treatment of adult patients with previously untreated and previously treated CD20-positive CLL.

1.3 Rheumatoid Arthritis (RA)

RUXIENCE, in combination with methotrexate, is indicated for the treatment of adult patients with moderately-to severely-active rheumatoid arthritis who have had an inadequate response to one or more Tumor Necrosis Factor (TNF) antagonist therapies.

1.4 Granulomatosis with Polyangiitis (GPA) (Wegener’s Granulomatosis) and Microscopic Polyangiitis (MPA)

RUXIENCE, in combination with glucocorticoids, is indicated for the treatment of adult patients with Granulomatosis with Polyangiitis (GPA) (Wegener’s Granulomatosis) and Microscopic Polyangiitis (MPA).

2 DOSAGE AND ADMINISTRATION

2.1 Important Dosing Information

Administer only as an intravenous infusion [see Dosage and Administration (2.8)]. Do not administer as an intravenous push or bolus.

RUXIENCE should only be administered by a healthcare professional with appropriate medical support to manage severe infusion-related reactions that can be fatal if they occur [see Warnings and Precautions (5.1)].

Premedicate before each infusion [see Dosage and Administration (2.7)].

Prior to First Infusion

Screen all patients for HBV infection by measuring HBsAg and anti-HBc before initiating treatment with RUXIENCE [see Warnings and Precautions (5.3)]. Obtain complete blood counts (CBC) including platelets prior to the first dose.

During RUXIENCE Therapy

In patients with lymphoid malignancies, during treatment with RUXIENCE monotherapy, obtain complete blood counts (CBC) with differential and platelet counts prior to each RUXIENCE course. During treatment with RUXIENCE and chemotherapy, obtain CBC with differential and platelet counts at weekly to monthly intervals and more frequently in patients who develop cytopenias [see Adverse Reactions (6.1)]. In patients with RA, GPA or MPA, obtain CBC with differential and platelet counts at two to four month intervals during RUXIENCE therapy. Continue to monitor for cytopenias after final dose and until resolution.

First Infusion

Standard Infusion: Initiate infusion at a rate of 50 mg/hour. In the absence of infusion toxicity, increase infusion rate by 50 mg/hour increments every 30 minutes, to a maximum of 400 mg/hour.

Subsequent Infusions
Standard Infusion: Initiate infusion at a rate of 100 mg/hour. In the absence of infusion toxicity, increase rate by 100 mg/hour increments at 30-minute intervals, to a maximum of 400 mg/hour.
For Previously Untreated Follicular NHL and DLBCL Adult Patients: If patients did not experience a Grade 3 or 4 infusion-related adverse event during Cycle 1, a 90-minute infusion can be administered in Cycle 2 with a glucocorticoid-containing chemotherapy regimen.
Initiate at a rate of 20% of the total dose given in the first 30 minutes and the remaining 80% of the total dose given over the next 60 minutes. If the 90-minute infusion is tolerated in Cycle 2, the same rate can be used when administering the remainder of the treatment regimen (through Cycle 6 or 8).
Patients who have clinically significant cardiovascular disease or who have a circulating lymphocyte count greater than or equal to 5,000/mm3 before Cycle 2 should not be administered the 90-minute infusion [see Clinical Studies (14.4)].
Interrupt the infusion or slow the infusion rate for infusion-related reactions [see Boxed Warning, Warnings and Precautions (5.1)]. Continue the infusion at one-half the previous rate upon improvement of symptoms.

2.2 Recommended Dose for Non-Hodgkin’s Lymphoma (NHL)

The recommended dose is 375 mg/m2 as an intravenous infusion according to the following schedules:

Relapsed or Refractory, Low-Grade or Follicular, CD20-Positive, B-Cell NHL
Administer once weekly for 4 or 8 doses.
Retreatment for Relapsed or Refractory, Low-Grade or Follicular, CD20-Positive, B-Cell NHL
Administer once weekly for 4 doses.
Previously Untreated, Follicular, CD20-Positive, B-Cell NHL
Administer on Day 1 of each cycle of chemotherapy for up to 8 doses. In patients with complete or partial response, initiate RUXIENCE maintenance eight weeks following completion of a rituximab product in combination with chemotherapy. Administer RUXIENCE as a single agent every 8 weeks for 12 doses.
Non-progressing, Low-Grade, CD20-Positive, B-Cell NHL, after first-line CVP chemotherapy
Following completion of 6–8 cycles of CVP chemotherapy, administer once weekly for 4 doses at 6-month intervals to a maximum of 16 doses.
Diffuse Large B-Cell NHL Administer on Day 1 of each cycle of chemotherapy for up to 8 infusions.

2.3 Recommended Dose for Chronic Lymphocytic Leukemia (CLL)

The recommended dose is 375 mg/m2 the day prior to the initiation of FC chemotherapy, then 500 mg/m2 on Day 1 of Cycles 2–6 (every 28 days).

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