HUTCHMED’s Triumph: Sovleplenib Phase III ESLIM-01 Study Conquers Primary Immune Thrombocytopenia in China!

The exciting journey of discovery unfolded through a meticulously designed randomized, double-blind, controlled trial. This trailblazing effort successfully reached its primary endpoint, showcasing a remarkable durable response rate, while all secondary endpoints were also triumphantly met.

The realm of safety remained unwaveringly true to the established profile of sovleplenib, instilling confidence in the hearts of all who witnessed this scientific spectacle. As the sun of accomplishment sets on this phase, the curtains rise on the next act: preparations for a regulatory submission dance enthusiastically in the vibrant landscape of China.

Here, the designation of Breakthrough Therapy adds a touch of stardust to the narrative, elevating the anticipation to unprecedented heights. The grand finale awaits as the results eagerly await their grand debut at an upcoming medical symposium, promising to captivate and inspire all who gather to witness the unveiling of this groundbreaking chapter in medical advancement.

In a harmonious blend of Hong Kong’s allure, Shanghai’s vibrancy, and the innovation hub of Florham Park, N.J., a symphony of groundbreaking news resonates. Brace yourselves for the grand crescendo, as HUTCHMED (China) Limited, a name that echoes in the corridors of medical progress, steps into the limelight. With the flair of a maestro, they announce the triumphant conclusion of the pivotal Phase III trial, ESLIM-01, a tale of hope and resilience.

Imagine a canvas painted with the hues of August 20, 2023—a canvas that comes alive with the spirit of discovery. The NASDAQ, AIM, and HKEX all hum with excitement, tracing the footsteps of HUTCHMED as they reveal their magnum opus: the investigational wonder, sovleplenib. A magical formula that dares to confront primary immune thrombocytopenia (ITP) in adult patients, armed with the promise of durability. The crescendo begins with the resounding affirmation that the trial met its primary endpoint—durable response rate—and not stopping there, all secondary endpoints are embraced within its victorious grasp.

The stage is set for a riveting climax: the New Drug Application (“NDA”) plans a grand entrance, making its debut towards the end of 2023. But there’s more to this tale. The National Medical Products Administration of China, a sage discerning authority, bestowed the Breakthrough Therapy designation to sovleplenib. This moniker isn’t earned easily; it signifies a new hope, a beacon in the night for those in need. Sovleplenib boasts clinical evidence that outshines its peers—a new star on the horizon, destined for a priority review in the realm of ITP treatment.

Imagine a trial called ESLIM-01—an enigma shrouded in randomized, double-blinded, placebo-controlled intrigue. In China, 188 adult patients with primary ITP embarked on this journey, their hearts echoing the rhythm of hope. And in December 2022, enrollment reached its zenith. The tale of this trial unfolded like a masterpiece: primary endpoint, secondary endpoints, all falling into place like a meticulously choreographed dance. A crescendo of results, ready to be unveiled at a scientific symposium—an audience of intellects awaits.

Sovleplenib—the protagonist of this epic—stands tall as a novel, selective, oral inhibitor. Its target? Spleen tyrosine kinase, or Syk—a beacon of light in the darkness of hematological malignancies and immune diseases. ITP, the foe it faces, an autoimmune challenge that threatens with bleeding—yet in the shadow of sovleplenib, a glimmer of hope emerges.

Dr. Michael Shi, the Chief Medical Officer of HUTCHMED, lends his voice: “Sovleplenib, a lifeline for those with chronic adult primary ITP, emerges as a harbinger of change.” A sentiment echoed by Professor Ren-Chi Yang, the co-Leading Principal Investigator of ESLIM-01. He envisions hope, painted with good tolerability and the promise of daily oral dosing—a melody of possibility.

And there’s more—the words of Professor Yu Hu, co-Leading PI and SC member, resonate like an anthem. “For those burdened by recurrent or refractory ITP, a new horizon beckons—a chance to live better with their disease.” The applause rings true as HUTCHMED takes a bow, leaving us in awe of a story that continues to unfold—a symphony of science, courage, and the relentless pursuit of a better tomorrow.

About Sovleplenib

Imagine a key that unlocks a realm of possibilities—a key known as Sovleplenib. This enchanting innovation stands as a beacon of hope, a selective inhibitor of Syk, poised for daily oral administration. Picture Syk as the conductor orchestrating the symphony of B-cell receptor and FcR signaling—a maestro of potential in the world of B-cell lymphomas and autoimmune disorders.

Venture into the world of a Phase I/II study, a story echoed in the pages of The Lancet Haematology. Here, the canvas painted with results unveils a narrative of transformation. Within this tale, 20 patients find themselves at the crossroads of hope. The magical dose of 300mg once daily (“RP2D”) unveils its potency—40% of souls witness a durable response, platelet counts soaring past 50×109/L. An enchanting dance of numbers, where time bends to the rhythm of change—a mere 1.1 weeks for the first chapter of transformation. In this realm, glucocorticoid steroids and thrombopoietin receptor agonists become echoes of the past, as Sovleplenib emerges as the protagonist.

Let’s talk about adversity—those inevitable twists in the script. Amidst the dance of efficacy, the specter of treatment-emergent adverse events (“TEAE”) makes an appearance. A mere 7% are faced with a dose reduction or interruption, with the ominous shadows of grade 3 or above TEAEs held at bay.

But remember, this tale is one of discovery—a journey not yet witnessed by the vigilant eyes of regulatory authorities. Sovleplenib, the protagonist of this narrative, still dances in the embrace of clinical investigation, its true potential yet to be unveiled in the hallowed halls of regulatory review.

And here, in the hands of HUTCHMED, lies the essence of promise. Sovleplenib—a global gem of potential, its rights held in a delicate balance. But the story doesn’t end here. Sovleplenib dances on multiple stages. From warm antibody autoimmune hemolytic anemia to indolent non-Hodgkin’s lymphoma, the saga continues—each chapter an exploration, a revelation, and a testament to the spirit of exploration.

About ITP

Step into the intricate world of ITP—an autoimmune enigma that paints chaos on the canvas of platelets. A realm where destruction dances with immunity, and patients find themselves on the precipice of bleeding risks and bruised hopes. The heartbeat of ITP echoes not only with physical strain but also the quiet burden of fatigue, a shadow that lingers for up to 39% of adults entwined in this battle. Quality of life—the silent casualty, lost amidst the storm.

Let’s delve into the numbers, shall we? Picture a realm where the incidence of primary ITP in adults unfurls at 3.3 souls per 100,000 per year, while its prevalence graces 9.5 per 100,000 adults. A tapestry woven with numbers reveals a staggering truth: approximately 110,000 souls in China alone, alongside 56,000 in the U.S. and other lands, bear the weight of primary ITP. But the story doesn’t halt there—venture into the heart of major pharmaceutical markets, where as many as 145,000 brave souls navigate the labyrinth of chronic ITP.

Yet, the essence of ITP lies in its defiance—a disease that refuses to bow to the best of care. Time marches on, years pass, and the persistent grip of ITP endures, unyielding even in the face of diverse treatments. A symphony of mechanisms of action dances before patients, but the finale remains elusive. Many find themselves caught in the tangle of resistance, destined to relapse, yearning for a respite from this cycle.

Now, imagine a glimmer of hope—a new dawn on the horizon. Platelet destruction, the very heart of ITP’s turmoil, finds its conductor in the form of Syk. A melody of promise echoes—Syk inhibition, a beacon of potential in the quest for ITP’s elusive remedy. In this dance of science and resilience, the tale of ITP embraces its next chapter, the promise of a better tomorrow.


Embark on a journey into the world of HUTCHMED, where innovation and transformation blend seamlessly. This isn’t just a company; it’s a symphony of visionaries, a biopharmaceutical marvel that dances across Nasdaq, AIM, and HKEX. Imagine a canvas painted with commitment—a commitment to unravel the mysteries of targeted therapies and immunotherapies. The spotlight shines on cancer and immunological diseases, a stage where hope takes center stage.

But this isn’t just about numbers; it’s about souls—the heartbeat of approximately 5,000 individuals who infuse life into the essence of HUTCHMED. Among them, a battalion of brilliance, a dream team of 1,800 minds in oncology and immunology, crafting the tapestry of progress.

From inception to fruition, HUTCHMED has sung the anthem of determination. A symphony that resonates from the corridors of discovery to the hearts of patients worldwide. Imagine the thrill of witnessing three oncology masterpieces, meticulously cultivated, now breathing life as approved treatments in the tapestry of China.

HUTCHMED—where innovation meets reality, where dreams take flight, and where the canvas of biopharmaceuticals transforms into a masterpiece of progress.

Forward-Looking Statements

Behold, a portal to the horizon of possibilities—an announcement that unfurls under the embrace of the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. Here, within these lines, a glimpse of the future is painted—a mosaic of dreams and uncertainties, where the stars of hope guide the way.

Imagine a canvas that captures the essence of HUTCHMED’s aspirations—current expectations that reach beyond the present, seeking a world where sovleplenib stands as a beacon of healing. This tale of the future dances between the lines, a waltz between potential and reality. Yet, as with any journey, shadows lurk—risks and uncertainties that whisper tales of challenges and triumphs.

In this tapestry of anticipation, assumptions find their place—assumptions about timing, outcomes, sufficiency of data. And then there’s the grand stage of approvals, a theater where sovleplenib takes its place under the spotlight. Amidst the backdrop of this narrative, the symphony of safety plays—a harmonious blend of precautions and possibilities.

And so, to those who listen to these words, a word of wisdom resonates—tread with awareness, for the stars that illuminate this path are both guides and mysteries. The future, like a river, flows with change, shaped by events, unseen and unforeseen. As you read these lines, remember they stand as a snapshot in time—an echo of the present that may evolve with new knowledge, shifting events, and changing winds.

As we conclude this passage, know that HUTCHMED’s tale marches forward. An evolving journey, where the only constant is progress, and where the symphony of innovation harmonizes with the cadence of time.

Inside Information

In the heart of this announcement lies a secret—a whisper that dances within the bounds of Article 7 of Regulation (EU) No 596/2014. Imagine a hidden treasure, a key that unlocks knowledge, woven into the tapestry of the European Union (Withdrawal) Act 2018.

Picture a realm where information becomes a treasure map, guiding the curious and the cautious alike. It’s a secret that holds significance, an echo of a legal dance that reverberates through time. This is more than mere words—it’s a glimpse into the corridors of insight, a doorway to the world of regulated knowledge.

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