Emapalumab is a monoclonal antibody used to treat primary hemophagocytic lymphohistiocytosis, a rare and potentially life-threatening genetic disorder. It is a human IgG1 kappa monoclonal antibody that selectively binds to interferon gamma, a pro-inflammatory cytokine, and blocks its activity. This helps to reduce the inflammatory response, helping to reduce the symptoms of the disorder. Emapalumab is administered intravenously and has been approved by the US Food and Drug Administration for use in adults and children with primary hemophagocytic lymphohistiocytosis.
Emapalumab is a medication used to treat a serious immune system condition called primary hemophagocytic lymphohistiocytosis (HLH). Here's a closer look at Emapalumab:
- Medical Use: Emapalumab is prescribed for adults and children (including newborns) with HLH that is:
- Refractory (not responding to) conventional treatment
- Recurrent (keeps coming back)
- Progressive (getting worse)
- When other HLH treatments are not tolerated by the patient.
- Mechanism of Action: Emapalumab belongs to a class of drugs called monoclonal antibodies. It works by targeting a specific protein called interferon gamma (IFN-γ) which is overproduced in HLH patients. IFN-γ is thought to contribute to the excessive inflammatory response characteristic of HLH. By attaching to IFN-γ, Emapalumab helps block its activity and thereby aims to improve HLH symptoms.
- Administration: Emapalumab is given as an intravenous (IV) injection into a vein over a period of about 1 hour. It's typically administered twice weekly, every 3 or 4 days, for as long as your doctor recommends.
Here are some additional points to consider:
- Not a Cure: Emapalumab helps manage HLH but doesn't cure it.
- Availability: Emapalumab is sold under the brand name Gamifant®.
- Consult a Doctor: Emapalumab is a powerful medication and should only be used under the supervision of a healthcare professional. They can determine if Emapalumab is appropriate for your specific case and monitor you for potential side effects.
If you have further questions about Emapalumab or HLH, talking to your doctor is always recommended.