Sodium Ferric Gluconate Complex in Sucrose

SODIUM FERRIC GLUCONATE COMPLEX IN SUCROSE- sodium ferric gluconate complex injection
West-Ward Pharmaceutical Corp

1 INDICATIONS AND USAGE

Sodium ferric gluconate complex in sucrose injection is indicated for the treatment of iron deficiency anemia in adult patients and in pediatric patients age 6 years and older with chronic kidney disease receiving hemodialysis who are receiving supplemental epoetin therapy.

2 DOSAGE AND ADMINISTRATION

The dosage of sodium ferric gluconate complex in sucrose injection is expressed in terms of mg of elemental iron. Each 5 mL sterile, single dose vial contains 62.5 mg of elemental iron (12.5 mg/mL).

Do not mix sodium ferric gluconate complex in sucrose injection with other medications, or add to parenteral nutrition solutions for intravenous infusion. The compatibility of sodium ferric gluconate complex in sucrose injection with intravenous infusion vehicles other than 0.9% sodium chloride has not been evaluated. Parenteral drug products should be inspected visually for particulate matter and discoloration before administration, whenever the solution and container permit. If diluted, use immediately.

Sodium ferric gluconate complex in sucrose injection treatment may be repeated if iron deficiency reoccurs.

2.1 Adult Dosage and Administration

The recommended dosage of sodium ferric gluconate complex in sucrose injection for the repletion treatment of iron deficiency in hemodialysis patients is 10 mL of sodium ferric gluconate complex in sucrose injection (125 mg of elemental iron). Sodium ferric gluconate complex in sucrose injection may be diluted in 100 mL of 0.9% sodium chloride administered by intravenous infusion over 1 hour per dialysis session. Sodium ferric gluconate complex in sucrose injection may also be administered undiluted as a slow intravenous injection (at a rate of up to 12.5 mg/min) per dialysis session. For repletion treatment most patients may require a cumulative dose of 1000 mg of elemental iron administered over 8 dialysis sessions. Sodium ferric gluconate complex in sucrose injection has been administered at sequential dialysis sessions by infusion or by slow intravenous injection during the dialysis session itself.

Data from sodium ferric gluconate complex in sucrose injection postmarketing spontaneous reports indicate that individual doses exceeding 125 mg may be associated with a higher incidence and/or severity of adverse events [see Adverse Reactions (6.2 ) ].

2.2 Pediatric Dosage and Administration

The recommended pediatric dosage of sodium ferric gluconate complex in sucrose injection for the repletion treatment of iron deficiency in hemodialysis patients is 0.12 mL/kg sodium ferric gluconate complex in sucrose injection (1.5 mg/kg of elemental iron) diluted in 25 mL 0.9% sodium chloride and administered by intravenous infusion over 1 hour per dialysis session. The maximum dosage should not exceed 125 mg per dose.

3 DOSAGE FORMS AND STRENGTHS

Sodium ferric gluconate complex in sucrose injection is available as a single dose vial, containing 62.5 mg of elemental iron in 5 mL volume.

4 CONTRAINDICATIONS

Known hypersensitivity to sodium ferric gluconate or any of its components.

5 WARNINGS AND PRECAUTIONS

5.1 Hypersensitivity Reactions

Serious hypersensitivity reactions, including anaphylactic-type reactions, some of which have been life-threatening and fatal, have been reported in patients receiving sodium ferric gluconate complex in sucrose injection in post marketing experience. Patients may present with shock, clinically significant hypotension, loss of consciousness, or collapse. Monitor patients for signs and symptoms of hypersensitivity during and after sodium ferric gluconate complex in sucrose injection administration for at least 30 minutes and until clinically stable following completion of the infusion. Only administer sodium ferric gluconate complex in sucrose injection when personnel and therapies are immediately available for the treatment of anaphylaxis and other hypersensitivity reactions [see Adverse Reactions (6 ) ].

In the single-dose, post-marketing, safety study one patient experienced a life-threatening hypersensitivity reaction (diaphoresis, nausea, vomiting, severe lower back pain, dyspnea, and wheezing for 20 minutes) following sodium ferric gluconate complex in sucrose injection administration. Among 1,097 patients who received sodium ferric gluconate complex in sucrose injection in this study, there were 9 patients (0.8%) who had an adverse reaction that, in the view of the investigator, precluded further sodium ferric gluconate complex in sucrose injection administration. These included one life-threatening reaction, six allergic reactions (pruritus x2, facial flushing, chills, dyspnea/chest pain, and rash), and two other reactions (hypotension and nausea). Another 2 patients experienced (0.2%) allergic reactions not deemed to represent drug intolerance (nausea/malaise and nausea/dizziness) following sodium ferric gluconate complex in sucrose injection administration.

5.2 Hypotension

Sodium ferric gluconate complex in sucrose injection may cause clinically significant hypotension. Hypotension associated with light-headedness, malaise, fatigue, weakness or severe pain in the chest, back, flanks, or groin has been reported. These hypotensive reactions may or may not be associated with signs and symptoms of hypersensitivity reactions and usually resolve within one to two hours. In the single dose safety study, post-administration hypotensive events were observed in 22/1,097 patients (2%) following sodium ferric gluconate complex in sucrose injection administration. Transient hypotension may occur during dialysis. Administration of sodium ferric gluconate complex in sucrose injection may augment hypotension caused by dialysis. Monitor patients for signs and symptoms of hypotension during and following sodium ferric gluconate complex in sucrose injection administration [see Adverse Reactions (6.1 ) ].

5.3 Iron Overload

Excessive therapy with parenteral iron can lead to excess storage of iron with the possibility of iatrogenic hemosiderosis. Patients receiving sodium ferric gluconate complex in sucrose injection require periodic monitoring of hematologic and iron parameters (hemoglobin, hematocrit, serum ferritin, and transferrin saturation).

5.4 Benzyl Alcohol Toxicity

Sodium ferric gluconate complex in sucrose injection contains benzyl alcohol as a preservative. Benzyl alcohol has been associated with serious adverse events and death in pediatric patients. The minimum amount of benzyl alcohol at which toxicity may occur is not known. Premature and low-birth weight infants may be more likely to develop toxicity [see Use in Specific Populations (8.4 ) ]

6 ADVERSE REACTIONS

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

  • Hypersensitivity [see Contraindications (4 ) and Warnings and Precautions (5.1 ) ]
  • Hypotension [see Warnings and Precautions (5.2 ) ]

6.1 Clinical Trials Experience

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.

The most commonly reported adverse reactions (≥10%) in adult patients were nausea, vomiting and/or diarrhea, injection site reaction, hypotension, cramps, hypertension, dizziness, abnormal erythrocytes (e.g., changes in morphology, color, or number of red blood cells), dyspnea, chest pain, leg cramps and pain. In patients 6 to 15 years of age the most common adverse reactions (≥10%) were hypotension, headache, hypertension, tachycardia and vomiting.

Studies A and B

In multiple dose Studies A and B (total 126 adult patients), the most frequent treatment emergent adverse reactions following sodium ferric gluconate complex in sucrose injection were:

Body as a Whole: injection site reaction (33%), chest pain (10%), pain (10%), asthenia (7%), headache (7%), fatigue (6%), fever (5%), malaise, infection, abscess, chills, rigors, carcinoma, flu-like syndrome, sepsis, light-headedness, weakness.

Nervous System: cramps (25%), dizziness (13%), paresthesias (6%), agitation, somnolence, decreased level of consciousness.

Respiratory System: dyspnea (11%), coughing (6%), upper respiratory infections (6%), rhinitis, pneumonia.

Cardiovascular System: hypotension (29%), hypertension (13%), syncope (6%), tachycardia (5%), bradycardia, vasodilatation, angina pectoris, myocardial infarction, pulmonary edema.

Gastrointestinal System: nausea, vomiting and/or diarrhea (35%), anorexia, abdominal pain (6%), rectal disorder, dyspepsia, eructation, flatulence, gastrointestinal disorder, melena.

Musculoskeletal System: leg cramps (10%), myalgia, arthralgia, back pain, arm pain.

Skin and Appendages: pruritus (6%), rash, increased sweating.

Genitourinary System: urinary tract infection, and menorrahagia.

Special Senses: conjunctivitis, rolling of the eyes, watery eyes, puffy eye lids, arcus senilis, redness of the eye, diplopia, and deafness.

Metabolic and Nutritional Disorders: hyperkalemia (6%), generalized edema (5%), leg edema, peripheral edema, hypoglycemia, edema, hypervolemia, hypokalemia.

Hematologic System: abnormal erythrocytes (11%) (changes in morphology, color, or number of red blood cells), anemia, leukocytosis, lymphadenopathy.

Study C – Pediatric

Pediatric Patients: In a clinical trial of 66 iron-deficient pediatric hemodialysis patients, 6 to 15 years of age, inclusive, who were receiving a stable erythropoietin dosing regimen, the most common adverse reactions, occurring in ≥5%, regardless of treatment dosage, were: hypotension (35%), headache (24%), hypertension (23%), tachycardia (17%), vomiting (11%), fever (9%), nausea (9%), abdominal pain (9%), pharyngitis (9%), diarrhea (8%), infection (8%), rhinitis (6%), and thrombosis (6%). More patients in the higher dose group (3.0 mg/kg) than in the lower dose group (1.5 mg/kg) experienced the following adverse events: hypotension (41% vs. 28%), tachycardia (21% vs. 13%), fever (15% vs. 3%), headache (29% vs. 19%), abdominal pain (15% vs. 3%), nausea (12% vs. 6%), vomiting (12% vs. 9%), pharyngitis (12% vs. 6%), and rhinitis (9% vs. 3%).

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