Drugs / Telitacicept
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Telitacicept

also known as RC18

Protein / enzyme biologic

Developed for
systemic lupus erythematosus · IgA glomerulonephritis · generalized myasthenia gravis · Sjogren syndrome · anti-neutrophil cytoplasmic antibody-associated vasculitis · interstitial lung disease · lupus nephritis · rheumatoid arthritis
+19 more · antiphospholipid syndrome · chronic inflammatory demyelinating polyradiculoneuropathy · complement 3 glomerulopathy · connective tissue disorder · diffuse cutaneous systemic sclerosis · idiopathic membranous glomerulonephritis · immune complex mediated vasculitis · membranoproliferative glomerulonephritis · myasthenia gravis · myositis disease · nephrotic syndrome · ocular myasthenia gravis · pauci-immune glomerulonephritis with ANCA · pediatric systemic lupus erythematosus · primary antiphospholipid syndrome · proliferative glomerulonephritis · systemic sclerosis · thrombocytopenia · thrombocytopenia due to immune destruction
Investigated by
RemeGen Co., Ltd. · Vor Biopharma · Chinese SLE Treatment And Research Group · Peking Union Medical College Hospital · RenJi Hospital · Renmin Hospital of Wuhan University
+54 more · Second Affiliated Hospital, School of Medicine, Zhejiang University · Beijing Hospital · First Affiliated Hospital of Wenzhou Medical University · Huashan Hospital · Institute of Hematology & Blood Diseases Hospital, China · Peking University People's Hospital · Peking University Third Hospital · Ruijin Hospital · The Children's Hospital of Zhejiang University School of Medicine · ADARx Pharmaceuticals, Inc. · Changhai Hospital · Fen Li · First Affiliated Hospital, Sun Yat-Sen University · First Hospital of China Medical University · Guangdong Provincial People's Hospital · Guanmin Gao · Guixia Ding · Innovent Biologics (Suzhou) Co. Ltd. · Johns Hopkins Bloomberg School of Public Health · Liu Tian · Nanjing University School of Medicine · Ningbo Medical Center Lihuili Hospital · Peking University First Hospital · People's Hospital of Xinjiang Uygur Autonomous Region · Rongchang Biopharmaceutical · Second Xiangya Hospital of Central South University · Shandong Provincial Hospital · Shanghai 6th People's Hospital · Shanghai Changzheng Hospital · Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine · Shanghai Longhua Hospital · Shanxi Bethune Hospital · Sichuan Academy of Medical Sciences · Sichuan Provincial People's Hospital · Sir Run Run Shaw Hospital · Songjiang Hospital Affiliated to Shanghai Jiao Tong University School of Medicine · The Affiliated Hospital of Inner Mongolia Medical University · The Affiliated Hospital of Xuzhou Medical University · The First Affiliated Hospital of Anhui Medical University · The First Affiliated Hospital of China University of Science and Technology (Anhui Provincial) · The First Affiliated Hospital of Zhengzhou University · The First People's Hospital of Yunnan · Tianjin First Central Hospital · Tianjin Medical University General Hospital · Tongji Hospital · Union Hospital, Tongji Medical College, Huazhong University of Science and Technology · Wannan Medical College Yijishan Hospital · West China Hospital · Wuhan Central Hospital · Wuhan Hospital of Traditional Chinese Medicine · Xiangya Hospital of Central South University · Xinhua Hospital, Shanghai Jiao Tong University School of Medicine · Zhejiang Provincial People's Hospital · Zhongming Qiu

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed generalized myasthenia gravis 1 milestone
Filed China (NMPA) Tai'ai® generalized myasthenia gravis 2024-10-27

“the BLA of Telitacicept for the treatment of gMG has been accepted by the Center for Drug Evaluation (CDE) of China’s National Medical Products Administration” remegen.com ↗

Filed IgA glomerulonephritis 1 milestone
Filed China (NMPA) — IgA glomerulonephritis 2025-11-08

“has been submitted to the Center for Drug Evaluation (CDE) of the National Medical Products Administration (NMPA) in China for IgAN” vorbio.com ↗

Filed rheumatoid arthritis 1 milestone
Filed China (NMPA) — rheumatoid arthritis 2023-11-22

“the biologics license application of Telitacicept for treatment of rheumatoid arthritis (RA) has been received by Center of Drug Evaluation (CDE), NMPA in China.” remegen.com ↗

Trials 48

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 13 trials
Phase 1 NCT06549959 Aug → Nov 2024 overdue — RemeGen Co., Ltd. Recruiting No outcome recorded
Phase 1 NCT05687526 May 2023 → Nov 2025 pediatric systemic lupus erythematosus RemeGen Co., Ltd. Completed No outcome recorded
Phase 1 NCT05247203 May 2022 → Oct 2023 systemic lupus erythematosus RemeGen Co., Ltd. Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT06656962 Oct 2024 → Dec 2025 overdue pauci-immune glomerulonephritis with ANCA Renmin Hospital of Wuhan University Active not recruiting No outcome recorded
Phase 215 trials
Phase 2 NCT07836660 Oct 2026 → Nov 2027 expected Sjogren syndrome Innovent Biologics (Suzhou) Co. Ltd. Not yet recruiting No outcome recorded
Phase 2 NCT07796516 Sep 2026 → Dec 2027 expected rheumatoid arthritis Peking University People's Hospital Recruiting No outcome recorded
Phase 2 NCT07687134 Jul 2026 overdue thrombocytopenia due to immune destruction Institute of Hematology & Blood Diseases Hospital, China Not yet recruiting No outcome recorded
Phase 2 NCT07522099 May 2026 → Jul 2028 expected IgA glomerulonephritis, complement 3 glomerulopathy, membranoproliferative glomerulonephritis ADARx Pharmaceuticals, Inc. Recruiting No outcome recorded
Phase 2 NCT07340463 Dec 2025 → Jun 2027 expected lupus nephritis, systemic lupus erythematosus Nanjing University School of Medicine Recruiting No outcome recorded
Phase 2 NCT07111338 Jul 2025 → May 2027 expected proliferative glomerulonephritis Peking University First Hospital Active not recruiting No outcome recorded
Phase 2 NCT06375005 Jan 2025 → Jan 2027 expected diffuse cutaneous systemic sclerosis Second Affiliated Hospital, School of Medicine, Zhejiang University Recruiting No outcome recorded
Phase 2 NCT06614985 Oct 2024 → Oct 2026 expected idiopathic membranous glomerulonephritis Renmin Hospital of Wuhan University Not yet recruiting No outcome recorded
Phase 2 NCT05998759 Dec 2023 → Dec 2025 overdue connective tissue disorder, thrombocytopenia Beijing Hospital Recruiting No outcome recorded
Phase 2 NCT06315530 Dec 2023 → Apr 2025 primary antiphospholipid syndrome Ruijin Hospital Completed No outcome recorded
Phase 2/32 trials
Phase 2/3 NCT07355257 Feb → Dec 2026 expected myositis disease Zhongming Qiu Not yet recruiting No outcome recorded
Phase 2/3 NCT05596708 Mar 2023 → Jun 2025 overdue IgA glomerulonephritis Second Affiliated Hospital, School of Medicine, Zhejiang University Not yet recruiting No outcome recorded
Phase 314 trials · 3 met primary
Phase 3 NCT07495033 Apr 2026 → May 2029 expected interstitial lung disease RemeGen Co., Ltd. Not yet recruiting No outcome recorded
Phase 3 NCT07404865 Feb 2026 → Dec 2028 expected Sjogren syndrome Vor Biopharma Recruiting No outcome recorded
Phase 3 NCT07249632 Jan → Dec 2026 expected ocular myasthenia gravis RemeGen Co., Ltd. Recruiting No outcome recorded
Phase 3 NCT07052981 Aug 2025 → Jun 2027 expected IgA glomerulonephritis, immune complex mediated vasculitis Guixia Ding Not yet recruiting No outcome recorded
Phase 3 NCT06456567 Sep 2024 → Jan 2025 systemic lupus erythematosus Vor Biopharma Withdrawn No outcome recorded Stop: Business
Phase 3 NCT07098897 Aug 2024 → May 2025 overdue IgA glomerulonephritis The Affiliated Hospital of Xuzhou Medical University Active not recruiting No outcome recorded
Phase 3 NCT06456580 Jul 2024 → May 2027 expected generalized myasthenia gravis Vor Biopharma Recruiting No outcome recorded
Phase 3 NCT06125405 Nov 2023 → Oct 2026 expected nephrotic syndrome The Children's Hospital of Zhejiang University School of Medicine Recruiting No outcome recorded
Phase 3 NCT05799287 Apr 2023 → Jun 2026 overdue IgA glomerulonephritis RemeGen Co., Ltd. Active not recruiting No outcome recorded
Phase 3 NCT05673993 Apr 2023 → Oct 2024 Sjogren syndrome RemeGen Co., Ltd. Completed Met primary
Phase 48 trials
Phase 4 NCT07077486 Aug 2025 → Oct 2026 expected interstitial lung disease, systemic lupus erythematosus Tongji Hospital Recruiting No outcome recorded
Phase 4 NCT07008196 Jun → Dec 2025 overdue rheumatoid arthritis Chinese SLE Treatment And Research Group Not yet recruiting No outcome recorded
Phase 4 NCT06723548 Dec 2024 → Dec 2025 overdue myasthenia gravis First Affiliated Hospital of Wenzhou Medical University Not yet recruiting No outcome recorded
Phase 4 NCT06546540 Jun 2024 → Dec 2025 overdue systemic sclerosis Peking University Third Hospital Recruiting No outcome recorded
Phase 4 NCT05962840 Jun 2023 → Dec 2026 expected anti-neutrophil cytoplasmic antibody-associated vasculitis Chinese SLE Treatment And Research Group Recruiting No outcome recorded
Phase 4 NCT05965284 Mar 2023 → Dec 2025 overdue anti-neutrophil cytoplasmic antibody-associated vasculitis Chinese SLE Treatment And Research Group Recruiting No outcome recorded
Phase 4 NCT05666336 Dec 2022 → Jun 2024 systemic lupus erythematosus Fen Li Unknown No outcome recorded
Phase 4 NCT05899907 Sep 2022 → Mar 2025 systemic lupus erythematosus Peking Union Medical College Hospital Unknown No outcome recorded
Phase not applicable5 trials
— NCT07298928 Mar 2026 → Dec 2028 expected — The Children's Hospital of Zhejiang University School of Medicine Not yet recruiting No outcome recorded
— NCT07597733 Sep 2025 → Aug 2027 expected chronic inflammatory demyelinating polyradiculoneuropathy Sichuan Academy of Medical Sciences Active not recruiting No outcome recorded
— NCT06827587 Feb 2025 → Feb 2026 overdue generalized myasthenia gravis, neuromuscular disease First Affiliated Hospital of Wenzhou Medical University Not yet recruiting No outcome recorded
— NCT06654596 Dec 2024 → Dec 2026 expected IgA glomerulonephritis Ruijin Hospital Recruiting No outcome recorded
— NCT06394063 Jun 2024 → Jun 2027 expected systemic lupus erythematosus RenJi Hospital Recruiting No outcome recorded
Comparator or background therapy1 trial
Phase 4 NCT06677801 Comparator Oct 2024 → Oct 2026 expected systemic lupus erythematosus Second Affiliated Hospital, School of Medicine, Zhejiang University Active not recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 23

DateIssuerRelease
2026-09-29 Vor Biopharma Results Telitacicept Demonstrates Deep and Durable Minimal Symptom  Expression Through 48 Weeks in Generalized Myasthenia Gravis vorbio.com ↗
More than 94% of participants achieved a ≥5-point MG-ADL improvement at Week 48
2026-06-08 RemeGen Co., Ltd. Regulatory Remegen's Telitacicept Two Indications Approved on the Same Day, Patients with Sjögren's Syndrome (Dry Disease) and IgA Nephropathy Welcome the World's First Dual-Target Biologic Drug remegen.com ↗
Telitacicept (RC18) has received approval from the China National Medical Products Administration (NMPA) for two new indications: the treatment of Sjögren's syndrome (dry disease) and IgA nephropathy.
2026-06-08 Vor Biopharma Regulatory Telitacicept Receives NMPA Conditional Approval for the Treatment of IgA Nephropathy in China vorbio.com ↗
Vor Bio (Nasdaq: VOR), a clinical-stage biotechnology company transforming the treatment of autoimmune diseases, and RemeGen Co., Ltd., (HKEX: 9995, SHA: 688331) today announced that China’s National Medicinal Products Administration (NMPA) has conditionally approved telitacicept for the treatment of adult patients with IgAN.
2026-06-08 Vor Biopharma Regulatory Telitacicept Receives NMPA Approval for the Treatment of Sjögren’s Disease in China vorbio.com ↗
China’s National Medicinal Products Administration (NMPA) has approved telitacicept for the treatment of adult patients with SjD.
2026-05-14 Vor Biopharma Results Vor Bio Announces Publication of Interim Analysis of TELIGAN, a China Phase 3 Trial of Telitacicept in IgA Nephropathy, in The New England Journal of Medicine vorbio.com ↗
Interim analysis demonstrated a 55.0% relative reduction in proteinuria versus placebo at 39 weeks with eGFR remaining stable through treatment
2025-11-08 Vor Biopharma Results Telitacicept Achieved Primary Endpoint of Reducing Proteinuria in Stage A of a Phase 3 Clinical Study for IgA Nephropathy in China vorbio.com ↗
Treatment with telitacicept for 39 weeks resulted in a rapid, clinically meaningful, and statistically significant reduction in proteinuria, with a favorable safety profile
2025-10-29 Vor Biopharma Results Telitacicept Demonstrates Sustained Efficacy and Favorable Safety Profile in 48-Week China Phase 3 Open-Label Extension Generalized Myasthenia Gravis Data vorbio.com ↗
100% of patients on telitacicept for 48 weeks achieved ≥2-point Myasthenia Gravis Activities of Daily Living (MG-ADL) improvement, with a mean reduction of -7.5 points
2025-10-16 Vor Biopharma Results Vor Bio Announces Publication of China Phase 3 Study of Telitacicept in Systemic Lupus Erythematosus in The New England Journal of Medicine vorbio.com ↗
For the first time, a therapy in a Phase 3 trial is delivering more than double the clinical response seen with the current standard of care in lupus.
2025-10-14 Vor Biopharma Results Telitacicept Demonstrates Clinically Meaningful and Statistically Significant Impact on ESSDAI Compared to Placebo in Late-Breaking China Phase 3 Results in Primary Sjögren’s Disease at ACR 2025 vorbio.com ↗
Telitacicept met primary and all secondary endpoints, demonstrating clinically meaningful improvements in disease activity versus placebo
2025-08-27 Vor Biopharma Results Telitacicept Achieved Primary Endpoint in Phase 3 Clinical Study for IgA Nephropathy vorbio.com ↗
2025-08-13 RemeGen Co., Ltd. Results Telitacicept Meets Primary Endpoint in Phase III Trial for Primary Sjögren's Syndrome in China remegen.com ↗
The clinical results demonstrated that Telitacicept sustainably and effectively improved the clinical symptoms of Sjögren's syndrome patients, while showing favorable safety profile.
2025-08-13 Vor Biopharma Results Telitacicept Achieved Primary Endpoint in Phase 3 Clinical Study for Primary Sjögren's Disease vorbio.com ↗
today announced that its collaborator, RemeGen Co., Ltd (HKEX: 9995, SHA: 688331), achieved the primary endpoint in a Phase 3 clinical study in China evaluating telitacicept in adults with primary Sjögren's disease.

All press releases naming this drug 33 releases

DateIssuerRelease

Evidence & citations 5 cited values

Every value below carries the sentence it was read from. 50 sources stand behind the page.

FieldValueCited text
Known as Telitacicept “BACKGROUND: Telitacicept, a new dual inhibitor of the cytokines B-lymphocyte stimulator (BLyS) and APRIL (a proliferation-inducing ligand), showed efficacy in adults with...” PMID 41092329 ↗ Oct 2025
48

“Telitacicept, a TACI-Fc fusion protein, dual-targets BAFF and APRIL, inhibiting B cell and plasma cell function and reducing autoantibody production, potentially providing...” NCT07687134 ↗

“A multicenter, randomized, open-label, phase 2 clinical study of telitacicept in adult patients with generalized myasthenia gravis.” PMID 38726639 ↗ May 2024

NCT07355257 ↗

NCT06549959 ↗

NCT06456580 ↗

NCT05799287 ↗

NCT05962840 ↗

NCT05899907 ↗

NCT05247203 ↗

NCT06827587 ↗

Show 38 more sources

Known as RC18 “This is a Phase 2, multi-center, randomized, double-blind, placebo-controlled clinical study with an optional open label extension to evaluate the safety and efficacy of...” NCT04905212 ↗
1

“Telitacicept (RC18) is a recombinant TACI-Fc fusion protein that simultaneously neutralizes B-lymphocyte stimulator (BLyS) and a proliferation-inducing ligand (APRIL), thereby...” NCT07111338 ↗

Action Inhibit “Telitacicept, a new dual inhibitor of the cytokines B-lymphocyte stimulator (BLyS) and APRIL (a proliferation-inducing ligand)” PMID 41092329 ↗ Oct 2025
Modality Protein / enzyme biologic “a Recombinant Human B Lymphocyte Stimulating Factor Receptor-Antibody Fusion Protein” NCT04082416 ↗
Route Subcutaneous “participants with active SLE were randomly assigned (in a 1:1 ratio) to receive telitacicept (160 mg) or placebo subcutaneously once weekly for 52 weeks” PMID 41092329 ↗ Oct 2025