Venofer 20mg/ml Inj, 2.5ml

Manufacturer FRESENIUS Active Ingredient Iron Sucrose(EYE ern SOO krose) Pronunciation EYE-ern SOO-krose
It is used to treat anemia caused by low iron levels.
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Drug Class
Antianemic agent
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Pharmacologic Class
Iron replacement product; Carbohydrate-iron complex
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Pregnancy Category
Not available
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FDA Approved
Oct 2000
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Iron sucrose is an intravenous (IV) iron medication used to treat low iron levels (iron deficiency anemia) in people with chronic kidney disease. It helps your body make more red blood cells, which carry oxygen throughout your body.
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How to Use This Medicine

Taking Your Medication

To use this medication correctly, follow your doctor's instructions and read all the information provided. It is essential to follow the instructions carefully. This medication is administered intravenously over a specified period.

Storing and Disposing of Your Medication

If you need to store this medication at home, consult with your doctor, nurse, or pharmacist to determine the proper storage procedure.

Missing a Dose

If you miss a dose, contact your doctor to receive guidance on what to do next.
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Lifestyle & Tips

  • Report any side effects, especially dizziness, lightheadedness, or allergic reactions, during or after the infusion.
  • Stay hydrated as advised by your healthcare provider.
  • Continue to follow your prescribed diet and other medications for your kidney condition.
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Available Forms & Alternatives

Dosing & Administration

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Adult Dosing

Standard Dose: 100 mg IV administered over 15 minutes, 3 times per week for a total of 10 doses (cumulative 1000 mg)
Dose Range: 100 - 1000 mg

Condition-Specific Dosing:

hemodialysis_dependent_ckd: 100 mg IV over 15 minutes, 3 times per week for 10 doses (total 1000 mg)
non_dialysis_dependent_ckd: 200 mg IV over 2-5 minutes on 5 different occasions within a 14-day period (total 1000 mg), or 500 mg IV over 3.5-4 hours on day 1 and day 14 (total 1000 mg)
peritoneal_dialysis_dependent_ckd: 100 mg IV over 15 minutes, 3 times per week for 10 doses (total 1000 mg)
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: For iron deficiency anemia in CKD patients 2 years and older: 0.5 mg/kg (max 100 mg/dose) IV over 5-15 minutes, 3 times per week for 4 weeks (total 12 doses).
Adolescent: For iron deficiency anemia in CKD patients 2 years and older: 0.5 mg/kg (max 100 mg/dose) IV over 5-15 minutes, 3 times per week for 4 weeks (total 12 doses).
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Dose Adjustments

Renal Impairment:

Mild: No specific adjustment needed; indicated for use in CKD.
Moderate: No specific adjustment needed; indicated for use in CKD.
Severe: No specific adjustment needed; indicated for use in CKD.
Dialysis: Dosing regimens are specifically designed for hemodialysis and peritoneal dialysis patients.

Hepatic Impairment:

Mild: No specific adjustment recommended.
Moderate: No specific adjustment recommended; use with caution.
Severe: No specific adjustment recommended; use with caution, as iron overload may exacerbate liver disease.

Pharmacology

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Mechanism of Action

Iron sucrose is a complex of polynuclear iron (III)-hydroxide in sucrose. Following intravenous administration, the iron sucrose complex is thought to be taken up by the reticuloendothelial system (RES), which then releases iron. The iron is then transported to the bone marrow for erythropoiesis, where it is incorporated into hemoglobin. It replenishes body iron stores and is used to treat iron deficiency anemia.
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Pharmacokinetics

Absorption:

Bioavailability: 100% (intravenous administration)
Tmax: Not applicable (IV administration); peak serum iron levels occur immediately after infusion.
FoodEffect: Not applicable (IV administration).

Distribution:

Vd: Approximately 3 L (for iron component)
ProteinBinding: Iron binds extensively to transferrin and other proteins.
CnssPenetration: Limited

Elimination:

HalfLife: Approximately 6 hours (for total iron in serum); 1 hour (for sucrose component)
Clearance: Not precisely quantified for iron component; sucrose is renally cleared.
ExcretionRoute: Iron is primarily recycled within the body; small amounts are excreted via urine, feces, and sweat. Sucrose is renally excreted.
Unchanged: Not applicable for iron; sucrose is excreted largely unchanged.
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Pharmacodynamics

OnsetOfAction: Rapid increase in serum iron parameters (e.g., TSAT, ferritin) immediately post-infusion. Clinical improvement in hemoglobin levels typically observed within weeks.
PeakEffect: Hemoglobin levels typically begin to rise within 2-4 weeks and reach peak effect after several weeks to months of treatment.
DurationOfAction: Replenishes iron stores, with effects lasting until stores are depleted again, depending on ongoing iron loss and erythropoiesis.

Safety & Warnings

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Side Effects

Important Side Effects to Report to Your Doctor Immediately

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you experience any of the following symptoms, seek medical attention right away:

Signs of an allergic reaction, such as:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Note: In rare cases, allergic reactions can be fatal.
Signs of high or low blood pressure, including:
+ Severe headache or dizziness
+ Passing out
+ Changes in eyesight
Chest pain
Swelling in the arms or legs
Pain in the arms or legs
Irritation at the injection site

Your doctor may monitor you closely for a period of time after administering this medication. If you experience any of the following symptoms, contact your doctor immediately:

Chest pain
Cough or the need to cough
Dizziness
Passing out
Shortness of breath
Sweating
Throat tightness

Other Possible Side Effects

Like all medications, this drug can cause side effects. While many people may not experience any side effects or only minor ones, it's essential to report any concerns to your doctor. If you experience any of the following side effects or any other symptoms that bother you or do not go away, contact your doctor:

Diarrhea
Upset stomach or vomiting
Dizziness or headache
Muscle cramps
Change in taste
Joint pain
Back pain
Nose or throat irritation

This is not an exhaustive list of possible side effects. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Severe dizziness or fainting
  • Chest pain or tightness
  • Difficulty breathing or wheezing
  • Swelling of the face, lips, tongue, or throat
  • Severe rash or hives
  • Unusual weakness or fatigue
  • Persistent pain or swelling at the injection site
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the allergic reaction you experienced, including any symptoms that occurred.
Certain health conditions, including:
+ Having too much iron in your body
+ Anemia caused by a factor other than low iron levels

This list is not exhaustive, and it is crucial to discuss all your health problems and medications with your doctor.

To ensure your safety, please inform your doctor and pharmacist about:
All prescription and over-the-counter (OTC) medications you are taking
Any natural products or vitamins you are using
* All your health problems

It is vital to verify that it is safe to take this medication with all your other medications and health conditions. Never start, stop, or change the dose of any medication without first consulting your doctor.
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Precautions & Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication. Regularly undergo blood tests and other laboratory examinations as directed by your doctor. If you are pregnant, planning to become pregnant, or are breastfeeding, notify your doctor. You and your doctor will need to discuss the potential benefits and risks of this medication to both you and your baby.
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Overdose Information

Overdose Symptoms:

  • Acute iron overdose can lead to hypotension, shock, metabolic acidosis, liver damage, and coma.
  • Chronic iron overload (hemochromatosis) can lead to organ damage (liver, heart, pancreas, joints) due to iron deposition.

What to Do:

Seek immediate medical attention. Management may include supportive care, chelation therapy (e.g., deferoxamine) in severe cases, and monitoring of iron levels and organ function. Call 1-800-222-1222 (Poison Control).

Drug Interactions

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Major Interactions

  • Oral iron preparations (concurrent administration may reduce absorption of oral iron)

Monitoring

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Baseline Monitoring

Hemoglobin (Hb)

Rationale: To assess severity of anemia and guide treatment.

Timing: Prior to initiation of therapy.

Transferrin Saturation (TSAT)

Rationale: To assess functional iron deficiency and guide treatment.

Timing: Prior to initiation of therapy.

Serum Ferritin

Rationale: To assess iron stores and guide treatment.

Timing: Prior to initiation of therapy.

Vital Signs (blood pressure, heart rate)

Rationale: To establish baseline and monitor for hypersensitivity reactions or hypotension.

Timing: Prior to each infusion.

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Routine Monitoring

Hemoglobin (Hb)

Frequency: At least 1 month after the last dose of iron sucrose, or as clinically indicated.

Target: Individualized based on patient's condition and target Hb levels for CKD.

Action Threshold: Persistent low Hb or failure to respond may indicate need for further investigation or dose adjustment.

Transferrin Saturation (TSAT)

Frequency: At least 1 month after the last dose of iron sucrose, or as clinically indicated.

Target: Typically >20%

Action Threshold: TSAT <20% may indicate need for re-treatment.

Serum Ferritin

Frequency: At least 1 month after the last dose of iron sucrose, or as clinically indicated.

Target: Typically >100 ng/mL (or >200 ng/mL for hemodialysis patients)

Action Threshold: Ferritin <100 ng/mL (or <200 ng/mL for HD) may indicate need for re-treatment.

Vital Signs (blood pressure, heart rate)

Frequency: During and immediately after each infusion.

Target: Within patient's normal range.

Action Threshold: Significant drop in blood pressure or increase in heart rate may indicate hypersensitivity or hypotension, requiring immediate intervention.

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Symptom Monitoring

  • Signs of hypersensitivity/anaphylaxis (e.g., rash, itching, hives, shortness of breath, wheezing, chest tightness, swelling of face/lips/tongue/throat)
  • Hypotension (dizziness, lightheadedness, fainting)
  • Headache
  • Nausea, vomiting, diarrhea, abdominal pain
  • Muscle cramps, back pain, joint pain
  • Peripheral edema
  • Injection site reactions (e.g., pain, swelling, redness)

Special Patient Groups

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Pregnancy

Venofer is used in pregnant women with iron deficiency anemia when oral iron is ineffective or not tolerated. Available data from postmarketing reports are insufficient to assess a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. Animal reproduction studies show no evidence of harm to the fetus. Clinical considerations suggest that untreated iron deficiency anemia in pregnancy can lead to adverse maternal and fetal outcomes.

Trimester-Specific Risks:

First Trimester: Limited human data; animal studies show no adverse effects.
Second Trimester: Often used if needed, with careful monitoring.
Third Trimester: Often used if needed, with careful monitoring.
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Lactation

Limited data suggest that iron sucrose is excreted in human milk. However, the amount of iron transferred to breast milk is likely low and unlikely to cause adverse effects in a breastfed infant. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for Venofer and any potential adverse effects on the breastfed child from Venofer or from the underlying maternal condition.

Infant Risk: Low risk (L3)
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Pediatric Use

Safety and efficacy have been established in pediatric patients 2 years of age and older with iron deficiency anemia and CKD. Dosing is weight-based. Safety and efficacy in pediatric patients less than 2 years of age have not been established.

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Geriatric Use

No overall differences in safety or effectiveness were observed between elderly and younger patients. However, caution should be exercised when administering the drug to elderly patients, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

Clinical Information

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Clinical Pearls

  • Administer slowly to minimize risk of hypotension and hypersensitivity reactions. For 100 mg dose, infuse over at least 15 minutes.
  • Monitor patients for signs and symptoms of hypersensitivity reactions during and for at least 30 minutes following each Venofer infusion.
  • Do not mix Venofer with other medications or add to parenteral nutrition solutions.
  • Venofer should only be administered intravenously; do not administer intramuscularly or subcutaneously.
  • Patients should be advised that iron sucrose may cause a temporary brown discoloration of the urine.
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Alternative Therapies

  • Oral iron supplements (e.g., ferrous sulfate, ferrous gluconate, ferrous fumarate)
  • Other intravenous iron preparations (e.g., ferric carboxymaltose, ferumoxytol, iron dextran, ferric derisomaltose, ferric pyrophosphate citrate)
  • Erythropoiesis-stimulating agents (ESAs) in combination with iron, for anemia of CKD.
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Cost & Coverage

Average Cost: $50 - $150 per 100 mg vial
Generic Available: Yes
Insurance Coverage: Tier 2 or Tier 3 (Specialty Drug)
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General Drug Facts

If your symptoms or health problems do not improve or worsen over time, it is essential to contact your doctor for further evaluation and guidance. To ensure safe use, do not share your medication with others, and never take someone else's medication. Store all medications in a secure location, out of reach of children and pets, to prevent accidental ingestion. Properly dispose of unused or expired medications by checking with your pharmacist for guidance on the best disposal method. Unless instructed to do so, avoid flushing medications down the toilet or pouring them down the drain, as this can harm the environment. Many communities have drug take-back programs; your pharmacist can provide information on these programs. Some medications may have additional patient information leaflets; consult your pharmacist if you have questions. If you have any concerns or questions about your medication, discuss them with your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. Be prepared to provide information about the medication taken, the amount, and the time it happened to ensure prompt and effective treatment.