PROCRIT (Page 4 of 9)

5.3 Hypertension

PROCRIT is contraindicated in patients with uncontrolled hypertension. Following initiation and titration of PROCRIT, approximately 25% of patients on dialysis required initiation of or increases in antihypertensive therapy; hypertensive encephalopathy and seizures have been reported in patients with CKD receiving PROCRIT.

Appropriately control hypertension prior to initiation of and during treatment with PROCRIT. Reduce or withhold PROCRIT if blood pressure becomes difficult to control. Advise patients of the importance of compliance with antihypertensive therapy and dietary restrictions [see Patient Counseling Information (17)].

5.4 Seizures

PROCRIT increases the risk of seizures in patients with CKD. During the first several months following initiation of PROCRIT, monitor patients closely for premonitory neurologic symptoms. Advise patients to contact their healthcare practitioner for new-onset seizures, premonitory symptoms or change in seizure frequency.

5.5 Lack or Loss of Hemoglobin Response to PROCRIT

For lack or loss of hemoglobin response to PROCRIT, initiate a search for causative factors (e.g., iron deficiency, infection, inflammation, bleeding). If typical causes of lack or loss of hemoglobin response are excluded, evaluate for PRCA [see Warnings and Precautions (5.6)]. In the absence of PRCA, follow dosing recommendations for management of patients with an insufficient hemoglobin response to PROCRIT therapy [see Dosage and Administration (2.2)].

5.6 Pure Red Cell Aplasia

Cases of PRCA and of severe anemia, with or without other cytopenias that arise following the development of neutralizing antibodies to erythropoietin have been reported in patients treated with PROCRIT. This has been reported predominantly in patients with CKD receiving ESAs by subcutaneous administration. PRCA has also been reported in patients receiving ESAs for anemia related to hepatitis C treatment (an indication for which PROCRIT is not approved).

If severe anemia and low reticulocyte count develop during treatment with PROCRIT, withhold PROCRIT and evaluate patients for neutralizing antibodies to erythropoietin. Contact Janssen Products, LP at 1-800-JANSSEN (1-800-526-7736) to perform assays for binding and neutralizing antibodies. Permanently discontinue PROCRIT in patients who develop PRCA following treatment with PROCRIT or other erythropoietin protein drugs. Do not switch patients to other ESAs.

5.7 Serious Allergic Reactions

Serious allergic reactions, including anaphylactic reactions, angioedema, bronchospasm, skin rash, and urticaria may occur with PROCRIT. Immediately and permanently discontinue PROCRIT and administer appropriate therapy if a serious allergic or anaphylactic reaction occurs.

5.8 Severe Cutaneous Reactions

Blistering and skin exfoliation reactions including Erythema multiforme and Stevens-Johnson Syndrome (SJS)/Toxic Epidermal Necrolysis (TEN), have been reported in patients treated with ESAs (including PROCRIT) in the postmarketing setting. Discontinue PROCRIT therapy immediately if a severe cutaneous reaction, such as SJS/TEN, is suspected.

5.9 Risk of Serious Adverse Reactions Due to Benzyl Alcohol Preservative

PROCRIT from multiple-dose vials contains benzyl alcohol and is contraindicated for use in neonates, infants, pregnant women, and lactating women [see Contraindications (4)]. In addition, do not mix PROCRIT with bacteriostatic saline (which also contains benzyl alcohol) when administering PROCRIT to these patient populations [see Dosage and Administration (2)].

Serious and fatal reactions including “gasping syndrome” can occur in neonates and infants treated with benzyl alcohol-preserved drugs, including PROCRIT multiple-dose vials. The “gasping syndrome” is characterized by central nervous system depression, metabolic acidosis, and gasping respirations. There is a potential for similar risks to fetuses and infants exposed to benzyl alcohol in utero or in breast-fed milk, respectively. PROCRIT multiple-dose vials contain 11 mg of benzyl alcohol per mL. The minimum amount of benzyl alcohol at which serious adverse reactions may occur is not known [see Use in Specific Populations (8.1, 8.2, and 8.4)].

5.10 Risk of Infectious Diseases Due to Albumin (Human) Content

PROCRIT contains albumin, a derivative of human blood [see Description (11)]. Based on effective donor screening and product manufacturing processes, it carries an extremely remote risk for transmission of viral diseases. A theoretical risk for transmission of Creutzfeldt-Jakob disease (CJD) also is considered extremely remote. No cases of transmission of viral diseases or CJD have ever been identified for albumin.

5.11 Dialysis Management

Patients may require adjustments in their dialysis prescriptions after initiation of PROCRIT. Patients receiving PROCRIT may require increased anticoagulation with heparin to prevent clotting of the extracorporeal circuit during hemodialysis.

6 ADVERSE REACTIONS

The following serious adverse reactions are discussed in greater detail in other sections of the label:

6.1 Clinical Trial 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 other drugs and may not reflect the rates observed in practice.

Patients with Chronic Kidney Disease

Adult Patients

Three double-blind, placebo-controlled studies, including 244 patients with CKD on dialysis, were used to identify the adverse reactions to PROCRIT. In these studies, the mean age of patients was 48 years (range: 20 to 80 years). One hundred and thirty-three (55%) patients were men. The racial distribution was as follows: 177 (73%) patients were white, 48 (20%) patients were black, 4 (2%) patients were Asian, 12 (5%) patients were other, and racial information was missing for 3 (1%) patients.

Two double-blind, placebo-controlled studies, including 210 patients with CKD not on dialysis, were used to identify the adverse reactions to PROCRIT. In these studies, the mean age of patients was 57 years (range: 24 to 79 years). One hundred and twenty-one (58%) patients were men. The racial distribution was as follows: 164 (78%) patients were white, 38 (18%) patients were black, 3 (1%) patients were Asian, 3 (1%) patients were other, and racial information was missing for 2 (1%) patients.

The adverse reactions with a reported incidence of ≥ 5% in PROCRIT-treated patients and that occurred at a ≥ 1% higher frequency than in placebo-treated patients are shown in the table below:

Table 3: Adverse Reactions in Patients With CKD on Dialysis
Adverse Reaction PROCRIT-treated Patients(n=148) Placebo-treated Patients(n=96)
Hypertension 27.7% 12.5%
Arthralgia 16.2% 3.1%
Muscle spasm 7.4% 6.3%
Pyrexia 10.1% 8.3%
Dizziness 9.5% 8.3%
Medical Device Malfunction (artificial kidney clotting during dialysis) 8.1% 4.2%
Vascular Occlusion (vascular access thrombosis) 8.1% 2.1%
Upper respiratory tract infection 6.8% 5.2%

An additional serious adverse reaction that occurred in less than 5% of epoetin alfa-treated dialysis patients and greater than placebo was thrombosis (2.7% PROCRIT and 1% placebo) [see Warnings and Precautions (5.1)].

The adverse reactions with a reported incidence of ≥ 5% in PROCRIT-treated patients and that occurred at a ≥ 1% higher frequency than in placebo-treated patients are shown in the table below:

Table 4: Adverse Reactions in Patients With CKD Not on Dialysis
Adverse Reactions PROCRIT-treated Patients(n=131) Placebo-treated Patients(n=79)
Hypertension 13.7% 10.1%
Arthralgia 12.2% 7.6%

Additional serious adverse reactions that occurred in less than 5% of epoetin alfa-treated patients not on dialysis and greater than placebo were erythema (0.8% PROCRIT and 0% placebo) and myocardial infarction (0.8% PROCRIT and 0% placebo) [see Warnings and Precautions (5.1)].

Pediatric Patients

In pediatric patients with CKD on dialysis, the pattern of adverse reactions was similar to that found in adults.

Zidovudine-treated Patients with HIV-infection

A total of 297 zidovudine-treated patients with HIV-infection were studied in 4 placebo-controlled studies. A total of 144 (48%) patients were randomly assigned to receive PROCRIT and 153 (52%) patients were randomly assigned to receive placebo. PROCRIT was administered at doses between 100 and 200 Units/kg 3 times weekly subcutaneously for up to 12 weeks.

For the combined PROCRIT treatment groups, a total of 141 (98%) men and 3 (2%) women between the ages of 24 and 64 years were enrolled. The racial distribution of the combined PROCRIT treatment groups was as follows: 129 (90%) white, 8 (6%) black, 1 (1%) Asian, and 6 (4%) other.

In double-blind, placebo-controlled studies of 3 months duration involving approximately 300 zidovudine-treated patients with HIV-infection, adverse reactions with an incidence of ≥ 1% in patients treated with PROCRIT were:

Table 5: Adverse Reactions in Zidovudine-treated Patients with HIV-infection
Adverse Reaction PROCRIT(n=144) Placebo(n=153)
Pyrexia 42% 34%
Cough 26% 14%
Rash 19% 7%
Injection site irritation 7% 4%
Urticaria 3% 1%
Respiratory tract congestion 1% Not reported
Pulmonary embolism 1% Not reported

Patients with Cancer on Chemotherapy

The data below were obtained in Study C1, a 16-week, double-blind, placebo-controlled study that enrolled 344 patients with anemia secondary to chemotherapy. There were 333 patients who were evaluable for safety; 168 of 174 patients (97%) randomized to PROCRIT received at least 1 dose of study drug, and 165 of 170 patients (97%) randomized to placebo received at least 1 placebo dose. For the once weekly PROCRIT-treatment group, a total of 76 men (45%) and 92 women (55%) between the ages of 20 and 88 years were treated. The racial distribution of the PROCRIT-treatment group was 158 white (94%) and 10 black (6%). PROCRIT was administered once weekly for an average of 13 weeks at a dose of 20,000 to 60,000 IU subcutaneously (mean weekly dose was 49,000 IU).

The adverse reactions with a reported incidence of ≥ 5% in PROCRIT-treated patients that occurred at a higher frequency than in placebo-treated patients are shown in the table below:

Table 6: Adverse Reactions in Patients with Cancer
Adverse Reaction PROCRIT(n=168) Placebo(n=165)
Nausea 35% 30%
Vomiting 20% 16%
Myalgia 10% 5%
Arthralgia 10% 6%
Stomatitis 10% 8%
Cough 9% 7%
Weight decrease 9% 5%
Leukopenia 8% 7%
Bone pain 7% 4%
Rash 7% 5%
Hyperglycemia 6% 4%
Insomnia 6% 2%
Headache 5% 4%
Depression 5% 4%
Dysphagia 5% 2%
Hypokalemia 5% 3%
Thrombosis 5% 3%

Surgery Patients

Four hundred sixty-one patients undergoing major orthopedic surgery were studied in a placebo-controlled study (S1) and a comparative dosing study (2 dosing regimens, S2). A total of 358 patients were randomly assigned to receive PROCRIT and 103 (22%) patients were randomly assigned to receive placebo. PROCRIT was administered daily at a dose of 100 to 300 IU/kg subcutaneously for 15 days or at 600 IU/kg once weekly for 4 weeks.

For the combined PROCRIT treatment groups, a total of 90 (25%) and 268 (75%) women between the ages of 29 and 89 years were enrolled. The racial distribution of the combined PROCRIT treatment groups was as follows: 288 (80%) white, 64 (18%) black, 1 (< 1%) Asian, and 5 (1%) other.

The adverse reactions with a reported incidence of ≥ 1% in PROCRIT-treated patients that occurred at a higher frequency than in placebo-treated patients are shown in the table below:

Table 7: Adverse Reactions in Surgery Patients
Adverse Reaction Study S1 Study S2
PROCRIT300 U/kg PROCRIT100 U/kg Placebo PROCRIT600 U/kg × 4 weeks PROCRIT300 U/kg × 15 days
(n=112)* (n=101)* (n=103)* (n=73) (n=72)
*
Study included patients undergoing orthopedic surgery treated with PROCRIT or placebo for 15 days.
Study included patients undergoing orthopedic surgery treated with PROCRIT 600 U/kg weekly for 4 weeks or 300 U/kg daily for 15 days.
DVTs were determined by clinical symptoms.
Nausea 47% 43% 45% 45% 56%
Vomiting 21% 12% 14% 19% 28%
Pruritus 16% 16% 14% 12% 21%
Headache 13% 11% 9% 10% 18%
Injection site pain 13% 9% 8% 12% 11%
Chills 7% 4% 1% 1% 0%
Deep vein thrombosis 6% 3% 3% 0% 0%
Cough 5% 4% 0% 4% 4%
Hypertension 5% 3% 5% 5% 6%
Rash 2% 2% 1% 3% 3%
Edema 1% 2% 2% 1% 3%

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