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Telitacicept Meets Primary Endpoint in Phase III Trial for Primary Sjögren's Syndrome in China

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RemeGen (REGMY) announced that its novel drug Telitacicept successfully met the primary endpoint in its Phase III clinical trial for primary Sjögren's syndrome (pSS) treatment in China. The drug, a first-in-class BLyS/APRIL dual-target fusion protein, demonstrated sustainable efficacy in improving clinical symptoms while maintaining a favorable safety profile.

The multicenter, randomized, double-blind, placebo-controlled study measured changes in ESSDAI scores at Week 24. Telitacicept targets a significant market, with 4-10 million potential patients in China alone, where the prevalence rate is 0.3% to 0.7%. The company plans to submit a Biologics License Application to China's NMPA and has already received Fast Track designation from the US FDA for global trials.

RemeGen (REGMY) ha annunciato che il suo nuovo farmaco Telitacicept ha raggiunto l'endpoint primario nello studio clinico di Fase III per il trattamento della sindrome di Sjögren primaria (pSS) in Cina. Il farmaco, una proteina di fusione di prima classe che mira contemporaneamente a BLyS e APRIL, ha mostrato un'efficacia duratura nel migliorare i sintomi clinici mantenendo un profilo di sicurezza favorevole.

Lo studio multicentrico, randomizzato, in doppio cieco e controllato con placebo ha valutato le variazioni dei punteggi ESSDAI alla settimana 24. Telitacicept si rivolge a un mercato significativo, con 4-10 milioni di pazienti potenziali solo in Cina, dove la prevalenza è compresa tra lo 0,3% e lo 0,7%. L'azienda prevede di presentare una Biologics License Application all'NMPA cinese e ha già ottenuto la designazione Fast Track dalla US FDA per studi a livello globale.

RemeGen (REGMY) anunció que su nuevo fármaco Telitacicept cumplió con el punto final primario en el ensayo clínico de Fase III para el tratamiento del síndrome de Sjögren primario (pSS) en China. El fármaco, una proteína de fusión de primera clase que apunta de forma dual a BLyS y APRIL, demostró una eficacia sostenida en la mejora de los síntomas clínicos, manteniendo un perfil de seguridad favorable.

El estudio multicéntrico, aleatorizado, doble ciego y controlado con placebo midió los cambios en las puntuaciones ESSDAI en la semana 24. Telitacicept se dirige a un mercado importante, con 4-10 millones de pacientes potenciales solo en China, donde la prevalencia es del 0,3% al 0,7%. La compañía planea presentar una Biologics License Application ante la NMPA china y ya ha recibido la designación Fast Track de la FDA estadounidense para ensayos globales.

RemeGen (REGMY)� 자사� 신약 Telitacicept가 중국에서 진행� 원발� 쇼그렌증후군(pSS) 치료� 위한 �3� 임상시험� 1� 평가변수를 성공적으� 충족했다� 발표했습니다. � 약물은 BLyS와 APRIL� 동시� 표적하는 퍼스트인클래� 융합단백질로�, 임상 증상 개선에서 지속적� 효능� 보이면서 안전� 프로파일� 양호했습니다.

다기관 무작� 배정, 이중눈가�, 위약대� 시험은 24주차 ESSDAI 점수 변화를 평가했습니다. Telitacicept� 중국에서� 400만~1000� 명의 잠재 환자이라� � 시장� 대상으� 하며, 유병률은 0.3%~0.7%입니�. 회사� 중국 NMPA� 바이오의약품 허가 신청(Biologics License Application)� 제출� 계획이며, 글로벌 임상� 위해 이미 미국 FDA로부� 패스트트� 지정을 받았습니�.

RemeGen (REGMY) a annoncé que son nouveau médicament Telitacicept a atteint le critère d'évaluation principal lors de l'essai clinique de phase III pour le traitement du syndrome de Sjögren primaire (pSS) en Chine. Le médicament, une protéine de fusion de première classe ciblant à la fois BLyS et APRIL, a démontré une efficacité durable pour améliorer les symptômes cliniques tout en conservant un profil de sécurité favorable.

L'étude multicentrique, randomisée, en double aveugle et contrôlée par placebo a mesuré les variations des scores ESSDAI à la semaine 24. Telitacicept vise un marché significatif, avec 4-10 millions de patients potentiels rien qu'en Chine, où la prévalence est de 0,3% à 0,7%. La société prévoit de soumettre une Biologics License Application à la NMPA chinoise et a déjà reçu la désignation Fast Track de la FDA américaine pour des essais mondiaux.

RemeGen (REGMY) gab bekannt, dass sein neuartiges Arzneimittel Telitacicept den primären Endpunkt in der Phase-III-Studie zur Behandlung des primären Sjögren-Syndroms (pSS) in China erfolgreich erreicht hat. Das Medikament, ein First-in-Class Fusionsprotein mit dualer Zielrichtung auf BLyS und APRIL, zeigte anhaltende Wirksamkeit bei der Verbesserung klinischer Symptome und wies ein günstiges Sicherheitsprofil auf.

Die multizentrische, randomisierte, doppelt verblindete, placebokontrollierte Studie erfasste die Veränderungen der ESSDAI-Werte in Woche 24. Telitacicept adressiert einen bedeutenden Markt mit 4�10 Millionen potenziellen Patienten allein in China, wo die Prävalenz bei 0,3% bis 0,7% liegt. Das Unternehmen plant, eine Biologics License Application bei der chinesischen NMPA einzureichen und hat bereits die Fast-Track-Zulassung der US FDA für globale Studien erhalten.

Positive
  • Successfully met primary endpoint in Phase III trial for Sjögren's syndrome
  • First BLyS/APRIL dual-target fusion protein to complete Phase III study in this field
  • Addresses large market potential of 4-10 million patients in China
  • Received FDA Fast Track designation for global development
  • Already recommended in multiple Chinese clinical practice guidelines
Negative
  • Will require additional global trials for markets outside China
  • Faces complex regulatory pathway with multiple jurisdictions

YANTAI, China, Aug. 13, 2025 /PRNewswire/ -- On August 13th,Remegen (688331.SH/09995.HK) announced that its global first-in-class BLyS (BAFF)/APRIL dual-target fusion protein drug, Telitacicept, met the primary endpoint in its Phase III clinical trial for the treatment of primary Sjögren's syndrome (pSS) in China, as per the pre-specified study protocol. The company will promptly submit a Biologics License Application (BLA) to the Center for Drug Evaluation (CDE) of the National Medical Products Administration (NMPA) and plans to present the detailed data at major international academic conferences in due course. Telitacicept is the world's first BLyS/APRIL dual-target fusion protein drug to complete a Phase III study in the Sjögren's syndrome treatment field.

This multicenter, randomized, double-blind, placebo-controlled Phase III clinical study aimed to evaluate the efficacy and safety of Telitacicept in patients with primary Sjögren's syndrome. The primary endpoint was the change from baseline in the ESSDAI score (the gold standard for measuring Sjögren's syndrome disease activity) at Week 24. The clinical results demonstrated that Telitacicept sustainably and effectively improved the clinical symptoms of Sjögren's syndrome patients, while showing favorable safety profile.

Sjögren's syndrome is a chronic inflammatory autoimmune disease characterized primarily by lymphocyte infiltration and damage to exocrine glands. Beyond persistent dry mouth and dry eyes caused by salivary and lacrimal gland dysfunction, it can also affect multiple organ systems. The prevalence rate of Sjögren's syndrome in China is 0.3% to 0.7%, or 4-10 million potential patient pool. The clinical manifestations of this disease are complex, and for a long time, there has been a lack of effective treatment methods rigorously validated by evidence-based medicine.

Research indicates that the overactivation of autoreactive B cells is a crucial pathological basis for Sjögren's syndrome. Telitacicept, a novel dual-target fusion protein independently developed by Remegen, simultaneously inhibits the overexpression of B Lymphocyte Stimulator (BLyS) and A Proliferation-Inducing Ligand (APRIL). It effectively blocks the abnormal differentiation and maturation of B cells and has demonstrated favorable efficacy and safety in both clinical and real-world studies.

In China, Telitacicept has been recommended by multiple authoritative guidelines, including the Chinese Clinical Practice Guideline for Off-Label Use of Drugs in Sjögren's Syndrome, the Chinese Expert Consensus on B-Cell Targeted Therapy for Rheumatic Immune Diseases, and the Multidisciplinary Expert Consensus on the Diagnosis and Treatment of Primary Sjögren's Syndrome. Internationally, Telitacicept's Sjögren's syndrome indication has been granted Fast Track designation by the US FDA and the approval to initiate a global multicenter Phase III clinical trial.

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SOURCE RemeGen Co., Ltd

FAQ

What were the results of RemeGen's Telitacicept Phase III trial for Sjögren's syndrome?

Telitacicept met its primary endpoint in the Phase III trial, showing sustainable improvement in clinical symptoms with a favorable safety profile, measured by ESSDAI score changes at Week 24.

How many potential patients could benefit from RemeGen's Telitacicept in China?

Based on the 0.3% to 0.7% prevalence rate in China, approximately 4-10 million patients could potentially benefit from Telitacicept treatment.

What makes RemeGen's Telitacicept unique in treating Sjögren's syndrome?

Telitacicept is the world's first BLyS/APRIL dual-target fusion protein to complete a Phase III study for Sjögren's syndrome, targeting both B Lymphocyte Stimulator and A Proliferation-Inducing Ligand.

What regulatory approvals has RemeGen's Telitacicept received?

Telitacicept has received Fast Track designation from the US FDA and is preparing for BLA submission to China's NMPA following successful Phase III results.

How does RemeGen's Telitacicept work in treating Sjögren's syndrome?

Telitacicept works by simultaneously inhibiting BLyS and APRIL overexpression, effectively blocking abnormal B cell differentiation and maturation, which is crucial in Sjögren's syndrome pathology.
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