What is a Generic Drug?
A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Invega Hafyera (Paliperidone Palmitate)
Prescription Required
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Product Details
Description
Invega Hafyera (paliperidone palmitate) extended-release injectable suspension is an injection given every 6 months to treat adults with schizophrenia after they have been adequately treated with paliperidone palmitate extended-release injectable suspension (Invega Sustenna®) once a month for at least 4 months or Invega Trinza® for at least one 3-month cycle.
Invega Hafyera is available as an extended-release injectable suspension in single-dose, prefilled syringes containing either 1,092 mg/3.5 mL or 1,560 mg/5 mL.
Fact Table
Formula
C39H57FN4O4
License
US FDA
Bioavailability
Not applicable (IM administration)
Legal status
Prescription only (Rx)
Chemical Name
Paliperidone palmitate
Elimination half-life
84-95 days
Dosage (Strength)
1,092 mg/7 mL, 1,560 mg/10 mL pre-filled syringes
Pregnancy
Consult a doctor
Brands
Invega Hafyera, Invega Sustenna, Invega Trinza
Protein binding
74%
PubChem CID
5282139
MedlinePlus
a607005
ChEBI
CHEBI:135748
ATC code
N05AX13
DrugBank
DB13922
KEGG
D05340
Routes of administration
Intramuscular (IM)
Directions
Your doctor will determine an appropriate treatment regimen for you, including the Invega Hafyera dosage. A healthcare provider will administer Invega Hafyera into the muscle of the gluteal region.
Talk to your doctor about any questions or concerns you may have.
Ingredients
The active ingredient in Invega Hafyera is paliperidone palmitate.
Inactive ingredients include polysorbate 20, polyethylene glycol 4000, citric acid monohydrate, sodium dihydrogen phosphate monohydrate, sodium hydroxide, and water for injection.
Contraindications
Patients should not receive Invega Hafyera if they have an allergy to paliperidone, risperidone, or to any of the excipients in the medication.
Cautions
Invega Hafyera contains the following FDA Boxed Warning:
- The risk of death is increased in elderly patients with dementia-related psychosis who are being treated with antipsychotic medications. Invega Hafyera is not approved for use in these patients.
- Before you begin treatment with Invega Hafyera, talk to your doctor about:
- All the prescription and over-the-counter medications you take
- Your allergies
- Your current health problems and past medical history
- Your pregnancy or breastfeeding status
- Invega Hafyera is associated with the following warnings and precautions:
- Cerebrovascular adverse reactions, including stroke or heart attack, in elderly patients who have dementia-related psychosis
- Neuroleptic malignant syndrome
- A type of heart rhythm problem called QT prolongation
- A movement disorder called tardive dyskinesia
- Low blood pressure upon standing with possible fainting
- Abnormal blood cell counts
- High levels of prolactin
- Impaired cognition and motor dysfunction
- Seizures
- Patients who have kidney issues are not recommended to receive Invega Hafyera
Side Effects
Upper respiratory tract infection, injection site reaction, weight gain, headache, and parkinsonism are common side effects associated with Invega Hafyera; however, other side effects may also occur. Immediately inform your doctor of any side effects that bother you or won’t go away.
Ask your doctor about whether Invega Hafyera is right for you.
Reference
Invega Hafyera. Titusville, NJ: Janssen Pharmaceuticals, Inc.; 2021.
IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.Product Code : 13794
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