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  • Novartis Rhapsido gets...

Novartis Rhapsido gets USFDA nod for chronic spontaneous urticaria

Written By : Ruchika Sharma |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2025-10-02T12:30:53+05:30  |  Updated On 2 Oct 2025 12:31 PM IST
Novartis Rhapsido gets USFDA nod for chronic spontaneous urticaria
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Basel: Novartis has announced that Rhapsido (remibrutinib) has received US Food and Drug Administration (FDA) approval as an oral treatment for adult patients with chronic spontaneous urticaria (CSU) who remain symptomatic despite H1 antihistamine treatment.

Rhapsido is a pill taken twice daily and does not require injections or lab monitoring. It is an FDA-approved Bruton’s tyrosine kinase inhibitor (BTKi) for CSU. Rhapsido helps to inhibit the release of histamine and other proinflammatory mediators by targeting BTK, offering a unique approach to CSU treatment.

“CSU is a serious disease that can cause debilitating symptoms and unpredictable flares. It’s difficult to diagnose and manage,” said Mark Lebwohl, MD, Dean for Clinical Therapeutics at the Icahn School of Medicine at Mount Sinai and member of the steering committee for the remibrutinib REMIX Phase III clinical trial program. “Remibrutinib represents a new way of treating CSU. By blocking the activity of BTK, remibrutinib stops a key pathway of the immune response in CSU. This is an exciting new option that has the potential to help a broad range of patients get fast relief.”

CSU is a mast cell-driven condition thought to be caused by immune dysregulation. In people with CSU, the immune system can become activated through allergic (IgE) or autoimmune (IgG) pathways. This causes certain immune cells—mast cells and basophils—to activate the BTK protein. While not fully understood, it is believed that once activated, BTK leads to the release of histamine and other proinflammatory mediators that may cause the red, swollen, and itchy hives commonly seen in CSU.

CSU symptoms are unpredictable, recurring for six weeks or more without an identified cause. Diagnosis can take up to 24 months. Many CSU patients say their symptoms negatively impact their sleep, work, and mental health. Antihistamines are the first-line treatment, but over half of patients still have symptoms, even at higher doses. Injectable treatments exist for those who don't respond to antihistamines, yet fewer than 20% of eligible patients receive them.

“The approval of remibrutinib is an important development in CSU care. It quickly reduces symptoms, offering patients control of the hives and itching that they experience on a daily basis,” said Giselle Mosnaim, MD, MS, an Allergist and Immunologist from Endeavor Health, Clinical Associate Professor at the University of Chicago Pritzker School of Medicine and REMIX trial investigator. “This is significant because it expands beyond existing injectable treatments and gives patients an oral option that can easily be incorporated into their daily lives.”

“Many CSU patients feel misunderstood and settle for treatments that don’t fully meet their needs,” said Lynda Mitchell, CEO of Allergy & Asthma Network. “We support new treatment options that empower patients to choose what works best for them. This convenient new oral therapy offers a promising new way to manage CSU and potentially improve daily life for those living with this challenging condition.”

novartisnovartis newsrhapsidoremibrutinibUSFDAspontaneous urticaria
Ruchika Sharma
Ruchika Sharma

    Ruchika Sharma joined Medical Dialogue as an Correspondent for the Business Section in 2019. She covers all the updates in the Pharmaceutical field, Policy, Insurance, Business Healthcare, Medical News, Health News, Pharma News, Healthcare and Investment. She has completed her B.Com from Delhi University and then pursued postgraduation in M.Com. She can be contacted at editorial@medicaldialogues.in Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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