PEG-Filastin
PEG-Filastin Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? PEG-Filastin is a brand name. Its generic name is Pegfilgrastim.
Introduction:
PEG-Filastin is a recombinant, long-acting form of granulocyte-colony stimulating factor (GCSF) that is indicated for the reduction in the duration of severe neutropenia in patients with non-myeloid malignancies receiving myelosuppressive anticancer drugs associated with a clinically significant incidence of febrile neutropenia.Uses for:
PEG-Filastin is used to stimulate the production of white blood cells to prevent infections during chemotherapy or radiation treatment. It is also used to manage the side effects of high-dose chemotherapy prior to blood and bone marrow transplantation.Mechanism of Action:
PEG-Filastin is a G-CSF receptor agonist, acting by binding to specific cell-surface receptor proteins on hematopoietic stem cells and progenitor cells in the bone marrow. This binding leads to increased production of neutrophils, which are important in protection against disease-causing bacteria and other pathogens.How Long Does It Take to Work?:
The effects of pegfilgrastim may be observed within hours of injection. The drug typically begins to increase neutrophil counts in 3-4 days, with maximal effect by 7 days.Absorption:
PEG-Filastin is a long-acting drug and is slowly released over time. It is absorbed slowly through the gastrointestinal mucosa.Route of Elimination:
PEG-Filastin is eliminated primarily through the kidneys, with a half-life of approximately 18-37 hours.Dosage:
The recommended dose of pegfilgrastim for adult patients receiving myelosuppressive chemotherapy is a 6 mg single dose, given as a subcutaneous injection no more than 24 hours after completion of chemotherapy.Administration:
PEG-Filastin should be administered as a single, subcutaneous injection no more than 24 hours after completion of chemotherapy.Side Effect:
The most common side effects of pegfilgrastim include bone pain, headache, joint pain, musculoskeletal pain, fatigue, and nausea. Other possible side effects may include rash, Edema, Injection site reactions, Hypertension, and increased risk of infection.Toxicity:
The reported incidence of serious adverse reactions, including severe allergic reactions, was low. The overall incidence of severe allergic reactions in clinical trials was 0.3%.Precaution:
PEG-Filastin should be administered with caution to patients with known hypersensitivities to granulocyte-colony stimulating factors or to any of the inactive ingredients in the formulation. PEG-Filastin should also be administered with caution to patients with neutropenia due to other underlying causes.Interaction:
PEG-Filastin is not known to interact with other drugs. However, patients receiving concomitant drugs that have a hemostatic effect should be monitored for signs of bleeding or other adverse reactions.Disease Interaction:
PEG-Filastin should not be used in patients with neutropenia due to an underlying disease, such as congenital neutropenia, myelodysplastic syndrome, or chronic myeloid leukemia.Drug Interaction:
PEG-Filastin should not be used with concomitant drugs that have a hemostatic effect.Food Interactions:
No food interactions have been reported with pegfilgrastim.Pregnancy Use:
PEG-Filastin should not be used in pregnant women due to potential risks to the fetus.Lactation Use:
The safety and efficacy of pegfilgrastim in lactating women has not been established, and it is not recommended for use in breastfeeding mothers.Acute Overdose:
No acute overdoses of pegfilgrastim have been reported.Contraindication:
PEG-Filastin is contraindicated in patients with known hypersensitivities to granulocyte-colony stimulating factors or to any of the inactive ingredients in the formulation.Use Direction:
PEG-Filastin should be administered as a single, subcutaneous injection no more than 24 hours after completion of chemotherapy.Storage Condition:
PEG-Filastin should be stored at room temperature (59-86°F). It should be protected from heat and light and should not be frozen.Volume of Distribution:
The apparent volume of distribution of pegfilgrastim following subcutaneous administration is approximately 4 liters.Half Life:
The terminal half-life of pegfilgrastim is approximately 18-37 hours.Clearance:
The clearance of pegfilgrastim is approximately 7.3 mL/min/kg.Here you find in details version of PEG-Filastin
Some Frequently Asked Questions About PEG-Filastin
What is PEG-Filastin?
PEG-Filastin is a long-acting form of the drug granulocyte-colony stimulating factor (G-CSF). It is a peptide that stimulates bone marrow to produce neutrophils, a type of white blood cell that plays a key role in fighting infection.
What is PEG-Filastin used for?
PEG-Filastin is used to reduce the risk of infection due to severe neutropenia (low levels of certain white blood cells) in people with certain types of cancer (such as non-myeloid leukemia and multiple myeloma) who are receiving chemotherapy or radiation.
How does PEG-Filastin work?
PEG-Filastin works by stimulating the bone marrow to produce granulocytes, which are a type of white blood cell. It helps to increase the number of granulocytes, which can help reduce the risk of infection due to decreased levels of neutrophils.
What are the side effects of PEG-Filastin?
Common side effects of PEG-Filastin include headache, muscle pain, bone pain, dizziness, and feeling tired. More serious side effects may include swelling of the feet, ankles, or hands, chest pain, shortness of breath, and fever.
How long does PEG-Filastin stay in the body?
PEG-Filastin is a long-acting drug that stays in the body for up to 21 days.
What should I avoid while taking PEG-Filastin?
You should avoid contact with individuals who have infectious diseases and live or atten vaccinated animals. You should also avoid taking any ibuprofen, naproxen, aspirin, or other NSAID medications while taking PEG-Filastin.
Is PEG-Filastin safe for pregnant or breastfeeding women?
PEG-Filastin has not been adequately studied in pregnant or breastfeeding women. Talk to your doctor if you are pregnant or breastfeeding before starting PEG-Filastin.
How is PEG-Filastin administered?
PEG-Filastin is typically administered as a single injection under the skin once every 21 days. Your doctor will determine the appropriate dose and administration schedule for you.
How long does it take for PEG-Filastin to start working?
PEG-Filastin usually begins to work within two days of administration, but it may take up to two weeks to reach its full effect.
What is the most common side effect of PEG-Filastin?
The most common side effect of PEG-Filastin is headache, occurring in up to 30% of patients.
What should I do if I miss a dose of PEG-Filastin?
If you miss a dose of PEG-Filastin, call your doctor right away. Your doctor may advise you to take the missed dose as soon as possible, or to wait until your next scheduled dose.
Can I take other medications while taking PEG-Filastin?
You may be able to take other medications while taking PEG-Filastin, but discuss all medications (prescription, over-the-counter, and herbal supplements) with your doctor before starting them.
Is PEG-Filastin covered by insurance?
PEG-Filastin may be covered by some insurance plans. Check with your insurance provider to find out if PEG-Filastin is covered and what your out-of-pocket costs may be.
Can PEG-Filastin help with other medical conditions?
PEG-Filastin is approved only to reduce the risk of infection due to severe neutropenia in people with certain types of cancer receiving chemotherapy or radiation. It is not approved to treat any other medical condition.
What should I do if I experience any severe side effects from PEG-Filastin?
If you experience any severe side effects, such as swelling of the feet, ankles, or hands; chest pain; shortness of breath; or fever, contact your doctor immediately.
Is PEG-Filastin a prescription medication?
Yes, PEG-Filastin is a prescription medication.
Does PEG-Filastin have any interactions with other medications?
Yes, PEG-Filastin may interact with other medications. Talk to your doctor about all medications (prescription, over-the-counter, and herbal supplements) that you are taking before starting PEG-Filastin.
Can PEG-Filastin be taken with food?
PEG-Filastin should be taken on an empty stomach. Avoid taking it with alcohol or a high-fat meal.
Can I take aspirin or ibuprofen while taking PEG-Filastin?
No, you should not take any ibuprofen, naproxen, aspirin, or other NSAID medications while taking PEG-Filastin.
Does PEG-Filastin have any generic versions?
Yes, there is a generic version of PEG-Filastin available. Talk to your doctor to see if generic PEG-Filastin is right for you.
Is PEG-Filastin cancerous?
No, PEG-Filastin is not cancerous. It is a drug that is used to reduce the risk of infection due to decreased levels of neutrophils in people with certain types of cancer receiving chemotherapy or radiation.
Is PEG-Filastin bad for your liver?
There is no evidence that PEG-Filastin is bad for your liver. However, if you notice any changes in your liver function while taking PEG-Filastin, call your doctor.
Can I exercise while taking PEG-Filastin?
Yes, you can exercise while taking PEG-Filastin. However, be sure to drink plenty of fluids and listen to your body. If you are feeling too tired or weak to exercise, it is best to take a rest day.
Does PEG-Filastin affect fertility?
There is no evidence that PEG-Filastin affects fertility. However, it is always advisable that women who are trying to conceive talk to their doctor before taking any medication.
How long does it take for PEG-Filastin to work?
PEG-Filastin usually begins to work within two days of administration, but it may take up to two weeks to reach its full effect.
Can PEG-Filastin be used with radiation therapy?
Yes, PEG-Filastin can be used in conjunction with radiation therapy to reduce the risk of infection due to decreased levels of neutrophils in people with certain types of cancer.
Can PEG-Filastin be used in children?
PEG-Filastin has only been approved for use in adults, so it should not be given to children.
Can PEG-Filastin be used in combination with other medications?
Yes, PEG-Filastin can be used in combination with other medications to reduce the risk of infection due to neutropenia caused by certain treatments for cancer.
How quickly does PEG-Filastin start working?
PEG-Filastin usually begins to work within two days of administration, but it may take up to two weeks to reach its full effect.
What are the long-term effects of PEG-Filastin?
The long-term effects of PEG-Filastin have not been studied, so it is important to discuss the risks and potential side effects with your doctor before starting treatment.
Can I breastfeed while taking PEG-Filastin?
PEG-Filastin has not been adequately studied in breastfeeding women. Talk to your doctor before taking PEG-Filastin if you are breastfeeding.
Is there an age limit for taking PEG-Filastin?
PEG-Filastin has only been approved for use in adults. It should not be given to children.
Can PEG-Filastin cause a fever?
Yes, PEG-Filastin can cause a fever, which is a rare but serious side effect. If you experience a fever while taking PEG-Filastin, call your doctor right away.
Are there any foods or drinks I should avoid while taking PEG-Filastin?
You should avoid taking PEG-Filastin with alcohol or a high-fat meal. You should also be sure to drink plenty of fluids while taking PEG-Filastin.
Can PEG-Filastin cause allergic reactions?
Yes, PEG-Filastin can cause allergic reactions in some people. Symptoms of an allergic reaction include rash, itching, swelling, difficulty breathing, or chest tightness.