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Commonly Used Brand Name(s)Aranesp
- Blackbox Warning
- Proper Use
- Missed Dose
- Use & Storage
- Before Using
- Breast Feeding
- Drug Interactions
- Other Interactions
- Other Medical Problems
Darbepoetin alfa injection causes the bone marrow to produce red blood cells. If the body does not produce enough red blood cells, severe anemia can occur. This often occurs in people with chronic kidney failure whose kidneys are not working properly. Darbepoetin may be used for patients on kidney dialysis or for those not on dialysis. Anemia can also occur in people who are receiving chemotherapy to treat cancer. Darbepoetin alfa is used to treat severe anemia in these patients.
This medicine is available only with your doctor's prescription.
Darbepoetin alfa injection is usually given by a doctor in a hospital or clinic. However, medicines given by injection are sometimes used at home. If you will be using darbepoetin alfa at home, your doctor will teach you how the injections are to be given. Be sure you understand exactly how the medicine is to be injected.
It may be given as a shot under your skin or into a vein. If your doctor tells you to inject it in a certain way, follow your doctor's instructions.
This medicine comes with a Medication Guide. Read and follow these instructions carefully. Ask your doctor if you have any questions.
This medicine is available in 2 forms. You may use a vial or a prefilled syringe with an UltraSafe® Needle Guard.
If you are giving this medicine at home:
- Use a new needle and syringe each time you inject your medicine.
- Do not use more medicine or use it more often than your doctor tells you to.
- You will be shown the body areas where this shot can be given.
Do not shake the container of medicine before you use it, and do not use this medicine if it has been frozen.
You might not use all of the medicine in each vial (glass container) or prefilled syringe. Use each vial or syringe only one time. Do not save an open vial or syringe. If the medicine in the vial or syringe has changed color or if you see particles in it, do not use it.
Carefully follow your doctor's instructions about any special diet. You may need to eat foods that contain iron, folic acid, or vitamin B12 such as eggs, certain cereals, meats, and vegetables, or you may take an iron, folic acid, or vitamin B12 supplement while you are using this medicine.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For injection dosage form (solution):
- For anemia from chronic kidney failure:
- Adults and children—Dose is based on body weight and must be determined by your doctor. The starting dose is 0.45 to 0.75 microgram (mcg) per kilogram (kg) of body weight injected into a vein or under the skin once a week or once every 2 weeks. Your doctor may adjust the dose as needed.
- For anemia from cancer chemotherapy:
- Adults—Dose is based on body weight and must be determined by your doctor. The starting dose is 2.25 micrograms (mcg) per kilogram (kg) of body weight once a week or 500 mcg once every 3 weeks injected under the skin. Your doctor may adjust the dose as needed.
- Children—Use and dose must be determined by your doctor.
- For anemia from chronic kidney failure:
Call your doctor or pharmacist for instructions.
Use & StorageTOP
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Store in the refrigerator. Do not freeze.
Protect the medicine from bright light. Keep your medicine in the original package until you are ready to use it.
Throw away used needles in a hard, closed container that the needles cannot poke through (puncture-resistant). Keep this container away from children and pets.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of darbepoetin alfa injection in children with chronic kidney failure.
Appropriate studies have not been performed on the relationship of age to the effects of darbepoetin alfa injection in children with cancer. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of darbepoetin alfa injection in the elderly.
|All Trimesters||C||Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.|
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical ProblemsTOP
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Aluminum poisoning, severe or
- Bleeding, severe or
- Bone marrow fibrosis (osteofibrosis cystica) or
- Folic acid deficiency or
- Infections, inflammation, or cancer or
- Iron deficiency or
- Vitamin B12 deficiency—May cause a delay in response to treatment.
- Blood clots (history of) or other problems with the blood or
- Congestive heart failure or
- Heart attack, history of or
- Heart bypass surgery or
- Heart or blood vessel disease or
- Stroke, history of or
- Thrombosis, at risk for—The chance of side effects may be increased.
- Bone marrow problems (eg, hemolytic anemia, sickle cell anemia, porphyria, thalassemia)—Use of darbepoetin alfa injection has not been established in patients with these conditions.
- Hypertension (high blood pressure), uncontrolled or
- Pure red cell aplasia (rare bone marrow disease)—Should not be used in patients with these conditions.
- Seizures, history of—Use with caution. May make this condition worse.
People with severe anemia usually feel very tired and sick. When darbepoetin alfa begins to work, usually in about 6 weeks, most people start to feel better. Some people are able to be more active. But darbepoetin alfa only corrects anemia. It has no effect on kidney disease, cancer, or any other medical problem that needs regular medical attention. Even if you are feeling much better, it is very important that you do not miss any appointments with your doctor or any dialysis treatments.
It is very important that your doctor check your blood regularly while you are using this medicine. You may also need to monitor your blood pressure at home. If you notice any changes to your normal blood pressure, call your doctor right away.
Darbepoetin alfa may cause a serious type of allergic reaction called anaphylaxis. This can be life-threatening and requires immediate medical attention. Check with your doctor right away if you have a rash, itching, swelling of the face, tongue, and throat, trouble with breathing, or chest pain after you receive the medicine.
This medicine may increase your risk of having blood clots. This is more likely in patients who use high doses of this medicine, or who use this medicine before major surgery. If you have chest pain, trouble breathing, or pain, redness, or swelling in your arms or legs while using this medicine, call your doctor right away. If you are getting kidney dialysis treatments, tell your doctor right away if you notice blood clots at your injection site. Your doctor may give you a blood thinner before surgery to help prevent blood clots.
This medicine may also increase your risk of having serious heart and blood vessel problems such as a heart attack, congestive heart failure, or stroke. Check with your doctor right away if you start having dizziness, fainting spells, severe tiredness, chest pain, trouble with breathing, sudden or severe headache, or problems with vision, speech, or walking.
When used in patients with certain types of cancer (eg, breast, cervix, lymphoid, lung, head, or neck cancer), this medicine has shortened survival time and worsened the tumor or cancer in some patients. If you are concerned about this, talk with your doctor.
Darbepoetin alfa sometimes causes convulsions (seizures), especially during the first few months of treatment. During this time, it is best to avoid driving, operating heavy machinery, or other activities that could cause a serious injury if a seizure occurs while you are performing them.
One form of darbepoetin alfa injection has an ingredient that comes from donated human blood. Some human blood products have transmitted certain viruses to people who have received them, although the risk is low. Human donors and donated blood are both tested for viruses to keep the transmission risk low. Talk with your doctor if you have concerns about this risk.
Serious skin reactions can occur with this medicine. Check with your doctor right away if you have blistering, peeling, or loosening of the skin, red skin lesions, severe acne or a skin rash, sores or ulcers on the skin, or fever or chills with this medicine.
The needle cover of the prefilled syringe contains dry natural rubber (a derivative of latex), which may cause allergic reactions in people who are sensitive to latex. Tell your doctor if you have a latex allergy before you start using this medicine.
Many people with kidney problems need to be on a special diet. Also, people with high blood pressure (which may be caused by kidney disease or by darbepoetin alfa treatment) may need to be on a special diet or to take medicine to keep their blood pressure under control. After their anemia has been corrected, some people feel so much better that they want to eat more than before. To keep your kidney disease or your high blood pressure from getting worse, it is very important that you follow your special diet and take your medicines regularly, even if you are feeling better.
In addition to darbepoetin alfa, your body needs iron and vitamins to make red blood cells. Your doctor may direct you to take iron or vitamin supplements. Be sure to follow your doctor's orders carefully. Darbepoetin alfa will not work well if you do not have enough iron or vitamins in your body.