Doxorubicin hydrochloride liposome injection is an anthracycline topoisomerase II inhibitor indicated for:
Ovarian cancer After failure of platinum-based chemotherapy. (1.1 )
AIDS-related Kaposi’s Sarcoma After failure of prior systemic chemotherapy or intolerance to such therapy. ( 1.2 )
Multiple Myeloma In combination with bortezomib in patients who have not previously received bortezomib and have received at least one prior therapy.Doxorubicin hydrochloride is an anthracycline topoisomerase inhibitor indicated for: ( 1.3 )
1.1Ovarian Cancer
Doxorubicin hydrochloride liposome injection is indicated for the treatment of patients with ovarian cancer whose disease has progressed or recurred after platinum-based chemotherapy.
1.2AIDS-Related Kaposi’s Sarcoma
Doxorubicin hydrochloride liposome injection is indicated for the treatment of AIDS-related Kaposi’s sarcoma in patients after failure of prior systemic chemotherapy or intolerance to such therapy.
1.3Multiple Myeloma
Doxorubicin hydrochloride liposome injection, in combination with bortezomib, is indicated for the treatment of patients with multiple myeloma who have not previously received bortezomib and have received at least one prior therapy.
Contraindications
Doxorubicin hydrochloride liposome injection is contraindicated in patients who have a history of severe hypersensitivity reactions, including anaphylaxis, to doxorubicin hydrochloride [see Warnings and Precautions ( 5.2 )]. Hypersensitivity reactions to doxorubicin hydrocholoride or the components of doxorubicin hydrochloride liposome injection ( 4 , 5.2 )
Warnings and precautions
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Hand-Foot Syndrome may occur. Dose modification or discontinuation may be required ( 5.3 ) Embryo-fetal Toxicity: Can cause fetal harm. Advise of potential risk to a fetus. Use effective contraception ( 5.5, 8.1 , 8.3 )
5.1Cardiomyopathy
Doxorubicin hydrochloride can cause myocardial damage, including acute left ventricular failure. The risk of cardiomyopathy with doxorubicin hydrochloride is generally proportional to the cumulative exposure. Include prior use of other anthracyclines or anthracenediones in calculations of cumulative dose. The risk of cardiomyopathy may be increased at lower cumulative doses in patients with prior mediastinal irradiation.
In a clinical study in 250 patients with advanced cancer who were treated with doxorubicin hydrochloride liposome injection, the risk of cardiomyopathy was 11% when the cumulative anthracycline dose was between 450 mg/m 2 to 550 mg/m 2 . Cardiomyopathy was defined as >20% decrease in resting left ventricular ejection fraction (LVEF) from baseline where LVEF remained in the normal range or a >10% decrease in LVEF from baseline where LVEF was less than the institutional lower limit of normal.
Two percent of patients developed signs and symptoms of congestive heart failure without documented evidence of cardiomyopathy. Assess left ventricular cardiac function (e.g. MUGA or echocardiogram) prior to initiation of doxorubicin hydrochloride liposome injection, during treatment to detect acute changes, and after treatment to detect delayed cardiomyopathy. Administer doxorubicin hydrochloride liposome injection to patients with a history of cardiovascular disease only when the potential benefit of treatment outweighs the risk.
5.2Infusion-Related Reactions
Serious, life-threatening, and fatal infusion-related reactions characterized by one or more of the following symptoms can occur with doxorubicin hydrochloride liposome injection: flushing, shortness of breath, facial swelling, headache, chills, chest pain, back pain, tightness in the chest and throat, fever, tachycardia, pruritus, rash, cyanosis, syncope, bronchospasm, asthma, apnea, and hypotension. Of 239 patients with ovarian cancer treated with doxorubicin hydrochloride liposome injection in Trial 4, 7% of patients experienced acute infusion-related reactions resulting in dose interruption.
All occurred during cycle 1 and none during subsequent cycles. Across multiple studies of doxorubicin hydrochloride liposome injection monotherapy including this and other studies enrolling 760 patients with various solid tumors, 11% of patients had infusion-related reactions. The majority of infusion-related events occurred during the first infusion. Ensure that medications to treat infusion-related reactions and cardiopulmonary resuscitative equipment are available for immediate use prior to initiation of doxorubicin hydrochloride liposome injection.
Initiate doxorubicin hydrochloride liposome injection infusions at a rate of 1 mg/min and increase rate as tolerated [see Dosage and Administration ( 2.6 )]. Withhold doxorubicin hydrochloride liposome injection for Grade 1, 2, or 3 infusion-related reactions and resume at a reduced infusion rate. Discontinue doxorubicin hydrochloride liposome injection infusion for serious or life-threatening infusion-related reactions.
5.3Hand-Foot Syndrome (HFS) In Trial 4,
the incidence of HFS was 51% of patients in the doxorubicin hydrochloride liposome injection arm and 0.9% of patients in the topotecan arm, including 24% Grade 3 or 4 cases of HFS in doxorubicin hydrochloride liposome injection-treated patients and no Grade 3 or 4 cases in topotecan-treated patients. HFS or other skin toxicity required discontinuation of doxorubicin hydrochloride liposome injection in 4.2% of patients.
HFS was generally observed after 2 or 3 cycles of treatment but may occur earlier. Delay doxorubicin hydrochloride liposome injection for the first episode of Grade 2 or greater HFS [see Dosage and Administration ( 2.5 )]. Discontinue doxorubicin hydrochloride liposome injection if HFS is severe and debilitating.
5.4Secondary Oral Neoplasms
Secondary oral cancers, primarily squamous cell carcinoma, have been reported from post-marketing experience in patients with long-term (more than one year) exposure to doxorubicin hydrochloride liposome injection. These malignancies were diagnosed both during treatment with doxorubicin hydrochloride liposome injection and up to 6 years after the last dose. Examine patients at regular intervals for the presence of oral ulceration or with any oral discomfort that may be indicative of secondary oral cancer.
The altered pharmacokinetics and preferential tissue distribution of liposomal doxorubicin that contributes to enhanced skin toxicity and mucositis compared to free doxorubicin may play a role in the development of oral secondary malignancies with long-term use.
5.5Embryo-Fetal Toxicity Based
on findings in animals and its mechanism of action, doxorubicin hydrochloride liposome injection can cause fetal harm when administered to a pregnant woman; avoid the use of doxorubicin hydrochloride liposome injection during the 1 st trimester. Available human data do not establish the presence or absence of major birth defects and miscarriage related to the use of doxorubicin hydrochloride during the 2nd and 3rd trimesters.
At doses approximately 0.12 times the recommended clinical dose, doxorubicin hydrochloride liposome injection was embryotoxic and abortifacient in rabbits. Advise pregnant women of the potential risk to a fetus. Advise females and males of reproductive potential to use effective contraception during and for 6 months after treatment with doxorubicin hydrochloride liposome injection . [see Use in Specific Populations ( 8.1 ) and ( 8.3 )].
Interactions
No formal drug interaction studies have been conducted with doxorubicin hydrochloride liposome injection.
Pregnancy and breastfeeding
8.1Pregnancy Risk Summary Based
on findings in animals and its mechanism of action, doxorubicin hydrochloride liposome injection can cause fetal harm when administered to a pregnant woman; avoid the use of doxorubicin hydrochloride liposome injection during the 1 st trimester. In animal reproduction studies, doxorubicin hydrochloride liposome injection was embryotoxic in rats and abortifacient in rabbits following intravenous administration during organogenesis at doses approximately 0.12 times the recommended clinical dose (see Data).
Available human data do not establish the presence or absence of major birth defects and miscarriage related to the use of doxorubicin hydrochloride during the 2 nd and 3 rd trimesters. Advise pregnant women of the potential risk to a fetus. The background risk of major birth defects and miscarriage for the indicated populations are unknown. However, the background risk in the U.S. general population of major birth defects is 2 to 4% and of miscarriage is 15 to 20% of clinically recognized pregnancies.
Adverse reactions
The following adverse reactions are discussed in more detail in other sections of the labeling.
Cardiomyopathy [see Warnings and Precautions ( 5.1 )]
Infusion-Related Reactions [see Warnings and Precautions ( 5.2 )]
Hand-Foot Syndrome [see Warnings and Precautions ( 5.3 )]
Secondary Oral Neoplasms [see Warnings and Precautions ( 5.4 )] The most common adverse reactions (>20%) observed with doxorubicin hydrochloride liposome injection are asthenia, fatigue, fever, nausea, stomatitis, vomiting, diarrhea, constipation, anorexia, hand-foot syndrome, rash and neutropenia, thrombocytopenia and anemia. Most common adverse reactions (>20%) are asthenia, fatigue, fever, anorexia, nausea, vomiting, stomatitis, diarrhea, constipation, hand-foot syndrome, rash, neutropenia, thrombocytopenia, and anemia ( 6 ). To report SUSPECTED ADVERSE REACTIONS, contact NorthStar RxLLC at 1-844-375-6847 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch
6.1Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, the adverse reaction rates observed cannot be directly compared to rates on other clinical trials and may not reflect the rates observed in clinical practice. The safety data reflect exposure to doxorubicin hydrochloride liposome injection in 1310 patients including: 239 patients with ovarian cancer, 753 patients with AIDS-related Kaposi’s sarcoma, and 318 patients with multiple myeloma.
The following tables present adverse reactions from clinical trials of single-agent doxorubicin hydrochloride liposome injection in ovarian cancer and AIDS-Related Kaposi’s sarcoma. Patients With Ovarian Cancer The safety data described below are from Trial 4, which included 239 patients with ovarian cancer treated with doxorubicin hydrochloride liposome injection 50 mg/m 2 once every 4 weeks for a minimum of four courses in a randomized, multicenter, open-label study.
In this trial, patients received doxorubicin hydrochloride liposome injection for a median number of 3.2 months (range 1 day to 25.8 months). The median age of the patients is 60 years (range 27 to 87), with 91% Caucasian, 6% Black, and 3% Hispanic or Other. Table 3 presents the hematologic adverse reactions from Trial 4. Table 3: Hematologic Adverse Reactions in Trial 4 Doxorubicin Hydrochloride Liposome Injection Patients (n=239) Topotecan Patients (n=235) Neutropenia 500 -<1000/mm 3 8% 14% <500/mm 3 4.2% 62% Anemia 6.5 -<8 g/dL 5% 25% < 6.5 g/dL 0.4% 4.3% Thrombocytopenia10,000 -<50,000/mm 3 1.3% 17% <10,000/mm 3 0% 17% Table 4 presents the non-hematologic adverse reactions from Trial 4.
Table 4: Non-Hematologic Adverse Reactions in Trial 4 Non-Hematologic Adverse Reaction 10% or Greater Doxorubicin Hydrochloride Liposome Injection (%) treated (n=239) Topotecan (%) treated (n=235) All grades Grades 3–4 All grades Grades 3–4 Body as a Whole Asthenia 40 7 52 8 Fever 21 0.8 31 6 Mucous Membrane Disorder 14 3.8 3.4 0 Back Pain 12 1.7 10
The following additional adverse reactions were observed in patients with ovarian cancer with doses administered every four weeks (Trial 4). Incidence 1% to 10% Cardiovascular: vasodilation, tachycardia, deep vein thrombosis, hypotension, cardiac arrest. Digestive : oral moniliasis, mouth ulceration, esophagitis, dysphagia, rectal bleeding, ileus. Hematologic and Lymphatic: ecchymosis. Metabolic and Nutritional: dehydration, weight loss, hyperbilirubinemia, hypokalemia, hypercalcemia, hyponatremia.
Patients With AIDS-Related Kaposi’s Sarcoma The safety data described is based on the experience reported in 753 patients with AIDS-related Kaposi’s sarcoma (KS) enrolled in four open-label, uncontrolled trials of doxorubicin hydrochloride liposome injection administered at doses ranging from 10 to 40 mg/m 2 every 2 to 3 weeks. Demographics of the population were: median age 38.7 years (range 24 to 70); 99% male; 88% Caucasian, 6% Hispanic, 4% Black, and 2% Asian/other/unknown.
The majority of patients were treated with 20 mg/m 2 of doxorubicin hydrochloride liposome injection every 2 to 3 weeks with a median exposure of 4.2 months (range 1 day to 26.6 months). The median cumulative dose was 120 mg/m 2 (range 3.3 to 798.6 mg/m 2 ); 3% received cumulative doses of greater than 450 mg/m 2 . Disease characteristics were: 61% poor risk for KS tumor burden, 91% poor risk for immune system, and 47% poor risk for systemic illness; 36% were poor risk for all three categories; median CD4 count 21 cells/mm 3 (51% less than 50 cells/mm 3 ); mean absolute neutrophil count at study entry approximately 3,000 cells/mm 3 .
Of the 693 patients with concomitant medication information, 59% were on one or more antiretroviral medications [35% zidovudine (AZT), 21% didanosine (ddI), 16% zalcitabine (ddC), and 10% stavudine (D4T)]; 85% received PCP prophylaxis (54% sulfamethoxazole/trimethoprim); 85% received antifungal medications (76% fluconazole); 72% received antivirals (56% acyclovir, 29% ganciclovir, and 16% foscarnet) and 48% patients received colony-stimulating factors (sargramostim/filgrastim) during their course of treatment.
Adverse reactions led to discontinuation of treatment in 5% of patients with AIDS-related Kaposi’s sarcoma and included myelosuppression, cardiac adverse reactions, infusion-related reactions, toxoplasmosis, HFS, pneumonia, cough/dyspnea, fatigue, optic neuritis, progression of a non-KS tumor, allergy to penicillin, and unspecified reasons. Tables 5 and 6 summarize adverse reactions reported in patients treated with doxorubicin hydrochloride liposome injection for AIDS-related Kaposi’s sarcoma in a pooled analysis of the four trials.
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Composition
Active ingredients
DOXORUBICIN HYDROCHLORIDE 20MG/10ML (2MG/ML)
Strengths and forms
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Table 5: Hematologic Adverse Reactions Reported in Patients With AIDS-Related Kaposi’s Sarcoma Patients With Refractory or Intolerant AIDS-Related Kaposi's Sarcoma (n=74 * ) Total Patients With AIDS-Related Kaposi's Sarcoma (n=720 * * ) *This includes a subset of subjects who were retrospectively identified as having disease progression on prior systemic combination chemotherapy (at least 2 cycles of a regimen containing at least 2 of 3 treatments: bleomycin, vincristine or vinblastine, or doxorubicin) or as being intolerant to such therapy. **This includes only subjects with AIDS-KS who had available data from the 4 pooled trials.
Neutropenia < 1000/mm3 46% 49% < 500/mm3 11% 13% Anemia < 10 g/dL 58% 55% < 8 g/dL 16% 18% Thrombocytopenia < 150,000/mm3 61% 61% < 25,000/mm3 1.4% 4.2% Table 6: Non-Hematologic Adverse Reactions Reported in ≥ 5% of Patients With AIDS-Related Kaposi’s Sarcoma Adverse Reactions Patients With Refractory or Intolerant AIDS-Related Kaposi’s Sarcoma (n=77*) Total Patients With AIDS-Related Kaposi’s Sarcoma (n=705**) Nausea 18% 17% Asthenia 7% 10% Fever 8% 9% Alopecia 9% 9% Alkaline Phosphatase Increase 1.3% 8% Vomiting 8% 8% Diarrhea 5% 8% Stomatitis 5% 7% Oral Moniliasis 1.3% 6% *This includes a subset of subjects who were retrospectively identified as having disease progression on prior systemic combination chemotherapy (at least 2 cycles of a regimen containing at least 2 of 3 treatments: bleomycin, vincristine or vinblastine, or doxorubicin) or as being intoleran
