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GSK’s Depemokimab Could Be Set to Transform Asthma Treatment

Asktraders News Team trader
Updated 22 May 2024

In a significant breakthrough for the treatment of eosinophilic asthma, GlaxoSmithKline's (GSK) experimental drug, Depemokimab, has achieved its primary goal in a late-stage trial by significantly reducing asthma attacks. This new drug represents a promising advancement for those suffering from this severe form of asthma.

Eosinophilic asthma is a subtype characterised by high levels of white blood cells called eosinophils. For these patients, depemokimab has shown “significant and meaningful reductions” in the frequency of asthma attacks, indicating a potential enhancement in the quality of life for millions affected globally.

GSK, a long-standing leader in respiratory medicine, estimates that depemokimab could reach peak annual sales of 3 billion pounds ($3.81 billion). This projection underscores the drug's potential impact on a market eagerly waiting for innovative treatments. Despite the positive outlook, shares in GSK remain unmoved, as various other stories hit and leave markets with a lot to consider.

Strengthening its respiratory health portfolio, GSK recently launched the respiratory syncytial virus (RSV) vaccine Arexvy and acquired the asthma drug manufacturer Aiolos Bio in a transaction valued at $1.4 billion. These strategic moves underline the company's dedication to addressing respiratory health issues and their complications.

As one of the 12 major launches slated for preparation starting in 2025, depemokimab is expected to be a key growth driver for GSK towards the end of the decade. The drug is notably poised to become the first approved ultra-long-acting biologic for severe asthma, with a dosing schedule that extends up to six months – a feature that could improve treatment adherence and patient convenience significantly.


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Tony Wood, GSK's chief scientific officer, proudly stated that depemokimab was developed in-house by their scientists based in Stevenage. The discovery harnesses GSK's rich heritage in respiratory science with the aim to potentially help millions who are impacted by severe asthma.

GSK's Depemokimab has potentially made a notable leap forward in the fight against severe asthma, heralding a new era of treatment that not only curbs the frequency of life-threatening asthma attacks but also simplifies patient care with its extended dosing period. With regulatory approval, GSK is set to bring a transformative solution to the market, reinforcing its position as a leader in respiratory therapeutics and bolstering its financial outlook with expected multi-billion sales in the foreseeable future.

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