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Latest revision as of 13:38, 25 August 2014

Darbepoetin Alfa Injection (patient information)
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sheng Shi, M.D. [2]

Disclaimer

WikiDoc MAKES NO GUARANTEE OF VALIDITY. WikiDoc is not a professional health care provider, nor is it a suitable replacement for a licensed healthcare provider. WikiDoc is intended to be an educational tool, not a tool for any form of healthcare delivery. The educational content on WikiDoc drug pages is based upon the FDA package insert, National Library of Medicine content and practice guidelines / consensus statements. WikiDoc does not promote the administration of any medication or device that is not consistent with its labeling. Please read our full disclaimer here.

Overview

Darbepoetin Alfa Injection (patient information) is {{{aOrAn}}} {{{drugClass}}} that is FDA approved for the {{{indicationType}}} of {{{indication}}}. Common adverse reactions include {{{adverseReactions}}}.

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

There is limited information regarding Darbepoetin Alfa Injection (patient information) FDA-Labeled Indications and Dosage (Adult) in the drug label.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Darbepoetin Alfa Injection (patient information) in adult patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Darbepoetin Alfa Injection (patient information) in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

There is limited information regarding Darbepoetin Alfa Injection (patient information) FDA-Labeled Indications and Dosage (Pediatric) in the drug label.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Darbepoetin Alfa Injection (patient information) in pediatric patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Darbepoetin Alfa Injection (patient information) in pediatric patients.

Contraindications

There is limited information regarding Darbepoetin Alfa Injection (patient information) Contraindications in the drug label.

Warnings

There is limited information regarding Darbepoetin Alfa Injection (patient information) Warnings' in the drug label.

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Darbepoetin Alfa Injection (patient information) Clinical Trials Experience in the drug label.

Postmarketing Experience

There is limited information regarding Darbepoetin Alfa Injection (patient information) Postmarketing Experience in the drug label.

Drug Interactions

There is limited information regarding Darbepoetin Alfa Injection (patient information) Drug Interactions in the drug label.

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA): There is no FDA guidance on usage of Darbepoetin Alfa Injection (patient information) in women who are pregnant.
Pregnancy Category (AUS): There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Darbepoetin Alfa Injection (patient information) in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Darbepoetin Alfa Injection (patient information) during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in women who are nursing.

Pediatric Use

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in pediatric settings.

Geriatic Use

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in geriatric settings.

Gender

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) with respect to specific gender populations.

Race

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Darbepoetin Alfa Injection (patient information) in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Darbepoetin Alfa Injection (patient information) in patients who are immunocompromised.

Administration and Monitoring

Administration

There is limited information regarding Darbepoetin Alfa Injection (patient information) Administration in the drug label.

Monitoring

There is limited information regarding Darbepoetin Alfa Injection (patient information) Monitoring in the drug label.

IV Compatibility

There is limited information regarding the compatibility of Darbepoetin Alfa Injection (patient information) and IV administrations.

Overdosage

There is limited information regarding Darbepoetin Alfa Injection (patient information) overdosage. If you suspect drug poisoning or overdose, please contact the National Poison Help hotline (1-800-222-1222) immediately.

Pharmacology

There is limited information regarding Darbepoetin Alfa Injection (patient information) Pharmacology in the drug label.

Mechanism of Action

There is limited information regarding Darbepoetin Alfa Injection (patient information) Mechanism of Action in the drug label.

Structure

There is limited information regarding Darbepoetin Alfa Injection (patient information) Structure in the drug label.

Pharmacodynamics

There is limited information regarding Darbepoetin Alfa Injection (patient information) Pharmacodynamics in the drug label.

Pharmacokinetics

There is limited information regarding Darbepoetin Alfa Injection (patient information) Pharmacokinetics in the drug label.

Nonclinical Toxicology

There is limited information regarding Darbepoetin Alfa Injection (patient information) Nonclinical Toxicology in the drug label.

Clinical Studies

There is limited information regarding Darbepoetin Alfa Injection (patient information) Clinical Studies in the drug label.

How Supplied

There is limited information regarding Darbepoetin Alfa Injection (patient information) How Supplied in the drug label.

Storage

There is limited information regarding Darbepoetin Alfa Injection (patient information) Storage in the drug label.

Images

Drug Images

{{#ask: Page Name::Darbepoetin Alfa Injection (patient information) |?Pill Name |?Drug Name |?Pill Ingred |?Pill Imprint |?Pill Dosage |?Pill Color |?Pill Shape |?Pill Size (mm) |?Pill Scoring |?NDC |?Drug Author |format=template |template=DrugPageImages |mainlabel=- |sort=Pill Name }}

Package and Label Display Panel

{{#ask: Label Page::Darbepoetin Alfa Injection (patient information) |?Label Name |format=template |template=DrugLabelImages |mainlabel=- |sort=Label Page }}

Patient Counseling Information

There is limited information regarding Darbepoetin Alfa Injection (patient information) Patient Counseling Information in the drug label.

Precautions with Alcohol

Alcohol-Darbepoetin Alfa Injection (patient information) interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

There is limited information regarding Darbepoetin Alfa Injection (patient information) Brand Names in the drug label.

Look-Alike Drug Names

There is limited information regarding Darbepoetin Alfa Injection (patient information) Look-Alike Drug Names in the drug label.

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.

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IMPORTANT WARNING

Darbepoetin alfa increases the risk of serious and life-threatening events, including heart attack, heart failure, stroke, TIA (ministroke) or cerebrovascular accident (blood clot to the brain), pulmonary embolus (blood clot to the lung), deep vein thrombosis (blood clot to the blood vessels), and death when treatment results in a higher than recommended amount of hemoglobin (red blood cells) in the blood. Call your doctor immediately if you experience any of the following symptoms: pain, tenderness, redness, warmth, and/or swelling in the legs; shortness of breath;cough that won't go away or coughing up blood;nausea;vomiting;chest pain, squeezing pressure, or tightness; discomfort or pain in the arms, shoulder, neck, jaw, or back; fast or irregular heartbeat; sweating; swelling of the hands, feet, or ankles; blue-grey coloring or darkening around mouth or nails; dizziness or lightheadedness;extreme tiredness or weakness; fainting or loss of consciousness; sudden trouble seeing in one or both eyes; sudden trouble speaking or understanding speech; sudden confusion; sudden weakness or numbness of an arm or leg (especially on one side of the body), or face; sudden trouble walking or loss of balance or coordination; sudden severe headache; seizure; increased blood pressure; or, if you are on hemodialysis and you notice blood clots in a vascular access port.

Darbepoetin alfa may increase the chance of death when used in people with cancer who are not receiving chemotherapy or radiation therapy at the same time they are using darbepoetin alfa. In people with cancer receiving chemotherapy, darbepoetin may cause a tumor to grow faster or shorten the time until death when the amount of hemoglobin (red blood cells) in the blood is higher than recommended.

Use of medications similar to darbepoetin in people a just before major surgery, increases the risk of blood clots. Call your doctor immediately if you experience any of the following symptoms: pain, tenderness, redness, warmth, and/or swelling in one or both legs.

Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your body's response to darbepoetin alfa.

Talk to your doctor about the risks of using darbepoetin alfa.

Why this medication is prescribed

Darbepoetin alfa is used to treat anemia (a lower than normal number of red blood cells) in people with chronic kidney failure (a condition where over a period of time there is a decrease in kidney function that is not reversible). Darbepoetin alfa is also used to treat anemia in people receiving chemotherapy (medications used to treat cancer).Darbepoetin alfa is in a class of medications called erythropoiesis-stimulating agents (ESAs). It works by causing the bone marrow (soft tissue inside the bones where blood is made) to make more red blood cells.

How this medication should be used

Darbepoetin alfa comes as a solution (liquid) to inject subcutaneously (just under the skin) or intravenously (into a vein). It is usually injected once a week every 1 to 3 weeks. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use darbepoetin alfa exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor.

Your doctor may start you on the lowest possible dose of darbepoetin alfa and gradually increase or decrease your dose, not more than once every month. Your doctor may also tell you to stop using darbepoetin alfa for a time. Follow these instructions carefully. If your doctor tells you to stop using darbepoetin alfa, do not begin using it again until your doctor tells you that you should. It is likely that your doctor will restart your treatment with a lower dose of darbepoetin alfa than you were using.

Darbepoetin alfa is used to reduce the need for red blood cell transfusions. Darbepoetin alfa controls anemia but does not cure it. It may take 2 to 6 weeks or longer before you feel the full benefit of darbepoetin alfa Continue to use darbepoetin alfa even if you feel well. Do not stop using darbepoetin alfa without talking to your doctor.

Darbepoetin alfa injections are usually given by a doctor or nurse. Your doctor may decide that you can inject darbepoetin alfa yourself, or that you may have a friend or relative give the injections.Your doctor will train the person who will be injecting the medication and will test him to be sure he can give the injection correctly. Be sure that you and the person who will be giving the injections know the correct dose, how to give the medication, and how often to give the medication. Be sure that you and the person who will be giving the injections read the manufacturer's information for the patient that comes with darbepoetin alfa before you use it for the first time at home.

Darbepoetin alfa comes in prefilled syringes and also in vials to use with disposable syringes. Use vials and prefilled or disposable syringes only once. Do not put a needle through the rubber stopper of a vial more than once. Throw away a vial, syringe, or prefilled syringe after one use, even if it is not empty. Throw away used syringes in a puncture-resistant container, out of the reach of children.Do not throw a filled container into the household trash or recycling.Talk to your doctor or pharmacist about how to throw away the puncture-resistant container. There may be special state and local laws for throwing away used needles and syringes.

If you are using vials of darbepoetin alfa, you will need to use disposable syringes to inject your medication. Your doctor or pharmacist will tell you what type of syringe you should use. Do not use any other type of syringe because you may not get the right amount of medication.

Always inject darbepoetin alfa solution in its own syringe; never mix it with any other medication.

If you are injecting darbepoetin alfa subcutaneously, you can inject it just under the skin anywhere on these parts of your body: the outer area of your upper arms, your stomach except for the two-inch area around your navel (belly button), the front of your middle thighs, and the upper outer areas of your buttocks.

Choose a new spot each time you inject darbepoetin alfa. Do not inject darbepoetin alfa into a spot that is tender, red, bruised, hard, lumpy, or swollen.

Carefully read the manufacturer's instructions that describe how to prepare and inject a dose of darbepoetin alpha. Be sure to ask your pharmacist or doctor if you have any questions about how to prepare or inject this medication.

Other uses for this medicine

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

Special precautions

Before using darbepoetin alfa:

  • tell your doctor and pharmacist if you are allergic to darbepoetin alfa,epoetin alfa (Epogen, Procrit),medications made from animal cells, albumin, any other medications, latex,or polysorbate 80. Ask your doctor or pharmacist if you don't know if a medication you are allergic to is made from animal cells.
  • tell your doctor if you have or have had high blood pressure .Your doctor may tell you not to use darbepoetin alfa.
  • tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take.
  • tell your doctor if you have or have ever had bleeding or blood clotting problems; diseases that affect your blood such as hemolytic anemia (condition where a low number of red blood cells occurs because the cells are being destroyed in the body); sickle cell disease (an inherited blood disease that causes pain, anemia, and organ damage), thalassemia (an inherited blood disease that causes abnormal development and other problems), or porphyria (an inherited blood disease that may cause skin or nervous system problems); blood clots in your heart, legs, or lungs; a heart attack; high blood pressure; stroke or ministroke (TIA); tumors; heart disease, or any disease that affects your brain or nervous system.
  • tell your doctor if you have used darbepoetin alfa or another erythropoietic protein such as epoetin alfa (Epogen, Procrit) in the past. Be sure to tell your doctor if your anemia worsened during your treatment with one of these medications, or if you were ever told to stop using one of these medications.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while using darbepoetin alfa, call your doctor.
  • if you are having surgery, including dental surgery, tell the doctor or dentist that you are using darbepoetin alfa.
  • you should know that your blood pressure may increase while you are using darbepoetin alfa. *Your doctor may ask you to check your blood pressure often. Be sure to check your blood pressure as often as your doctor tells you that you should, to call your doctor if your blood pressure is higher than your doctor says it should be, and to take any medications your doctor prescribes to control your blood pressure exactly as directed.
  • You should call your doctor if you are planning to travel or if your activity becomes limited, such as spending more time sitting or in bed.
  • if you are on hemodialysis, you should know that blood clots may form in the tubing that goes into your vein. Call your doctor if you think there is a clot in your tubing.

Special dietary instructions

If you are following a prescribed special diet because you have kidney disease or high blood pressure, follow it carefully, even if you feel better while using darbepoetin alfa. Darbepoetin alfa will not work unless your body has enough iron. Your doctor or dietician will probably tell you to eat foods that are rich in iron. If you cannot get enough iron from your diet, your doctor may prescribe an iron supplement. Take this supplement exactly as directed.

What to do if you forget a dose

Call your doctor to ask what to do if you miss a dose of darbepoetin alfa. Do not use a double dose to make up for a missed one.

Side effects

Minor side effects

Darbepoetin alfa may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

  • headache
  • nausea
  • vomiting
  • stomach pain
  • diarrhea
  • constipation
  • body, joint, or muscle aches
  • redness, swelling, bruising, itching, or a lump at the spot where you injected darbepoetin *alfa

Severe side effects

Some side effects can be serious. If you experience any of the following symptoms, or those listed in the IMPORTANT WARNING section, call your doctor immediately:

  • rash over the whole body
  • itching
  • difficulty breathing or swallowing
  • wheezing
  • hoarseness
  • swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
  • dry mouth
  • sunken eyes
  • decreased urination
  • fever, sore throat, chills, cough, and other signs of infection
  • feeling cold most of the time
  • pale skin

Darbepoetin alfa may cause other side effects. Call your doctor if you have any unusual problems or you do not feel well while taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/MedWatch/report.htm] or by phone [1-800-332-1088].

Storage conditions needed for this medication

Keep this medication in the carton it came in, tightly closed, and out of reach of children. Once a vial or prefilled syringe has been taken out of its carton, keep it covered to protect it from room light until the dose is given. Store darbepoetin alfa in the refrigerator, but do not freeze it. Throw away any medication that has been frozen or is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

When traveling, pack darbepoetin alfa in its original carton in an insulated container with a coolant such as blue ice. To avoid freezing, make sure the darbepoetin alfa vial or prefilled syringe does not touch the coolant. Once you arrive, place darbepoetin alfa in a refrigerator as soon as possible.

In case of emergency/overdose

In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

Symptoms of overdose may include:

  • unusual tiredness, weakness, or lack of energy
  • shortness of breath
  • cough that won't go away, or coughing up blood
  • wheezing
  • dizziness or lightheadedness
  • swelling around the mouth or eyes
  • blue-grey coloring or darkening around mouth or nails
  • fast or irregular heartbeat
  • sweating
  • seizure
  • fainting or loss of consciousness
  • chest pain, squeezing pressure, or tightness
  • discomfort or pain in the arms, shoulder, neck, jaw, or back
  • nausea
  • vomiting
  • sudden weakness or numbness of an arm or leg (especially on one side of the body) or face
  • sudden confusion
  • sudden trouble speaking or understanding speech
  • sudden trouble seeing in one or both eyes
  • sudden trouble walking, or loss of balance or coordination
  • sudden severe headache
  • pain, tenderness, redness, warmth, and/or swelling in the legs
  • swelling of the hands, feet, or ankles
  • increased blood pressure
  • blood clot in hemodialysis access port

Other information

Before having any laboratory test, tell your doctor and the laboratory personnel that you are using darbepoetin alfa.

Do not let anyone else use your medication. Ask your pharmacist any questions you have about refilling your prescription.

Brand names

  • Aranesp®

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