A Randomized, Double-Blind, Parallel-Group, Phase I Study to Evaluate the Pharmacokinetics, Safety and Immunogenicity of BIIB800 s.c. Compared to Actemra® in Healthy Male Participants

The primary objective of the study is to show equivalence in pharmacokinetics (PK) of BIIB800 and Actemra following SC administration of a single dose to healthy male participants. The secondary objective of the study is to evaluate PK over time, clinical safety, pharmacodynamic (PD) profiles and immunogenicity of BIIB800 and Actemra.

Start Date02 Jan 2024

Sponsor / Collaborator

Biogen, Inc.

NCT05968508 / Active, not recruitingPhase 1

A Randomized, Double-blind, Single-dose, Two-arm Parallel Study to Compare the Pharmacokinetics and Safety of BAT1806 Prefilled Subcutaneous Injection With RoActemra® in Healthy Chinese Male Subjects

This is a randomized, double-blind, single-dose, two-arm parallel study to compare the pharmacokinetics, safety and immunogenicity of BAT1806 prefilled subcutaneous injection with RoActemra® (from EU) in healthy male subjects.

Start Date29 Aug 2023

Sponsor / Collaborator

Bio-Thera Solutions, Ltd.

CTR20232409 / Active, not recruitingPhase 1

一项随机、双盲、单次给药、平行两组BAT1806皮下注射液与雅美罗®在中国健康男性受试者的药代动力学和安全性比对研究

[Translation] A randomized, double-blind, single-dose, parallel two-group comparative study on the pharmacokinetics and safety of BAT1806 subcutaneous injection and Actemra® in healthy male subjects in China

主要研究目的：比较在中国健康男性受试者中单次皮下注射BAT1806皮下注射液或雅美罗®（欧盟），两药之间药代动力学的相似性。次要研究目的：评价BAT1806皮下注射液、雅美罗®（欧盟）在中国健康男性受试者的临床安全性、耐受性及免疫原性。

[Translation]

Primary study objective: To compare the pharmacokinetic similarity between BAT1806 subcutaneous injection and Actemra® (EU) after a single subcutaneous injection in healthy Chinese male subjects. Secondary study objective: To evaluate the clinical safety, tolerability and immunogenicity of BAT1806 subcutaneous injection and Actemra® (EU) in healthy Chinese male subjects.

Start Date29 Aug 2023

Sponsor / Collaborator

Bio-Thera Solutions, Ltd.

100 Clinical Results associated with Tocilizumab-bavi

100 Translational Medicine associated with Tocilizumab-bavi

100 Patents (Medical) associated with Tocilizumab-bavi

Literatures (Medical) associated with Tocilizumab-bavi

01 Sep 2024·BIODRUGS

Correction to: Demonstration of Physicochemical and Functional Similarity of the Biosimilar BAT1806/BIIB800 to Reference Tocilizumab

01 Jul 2024·BIODRUGS

Demonstration of Physicochemical and Functional Similarity of the Biosimilar BAT1806/BIIB800 to Reference Tocilizumab

Article

Author: Liu, Cuihua ; Ebbers, Hans C ; Liu, Suli ; Li, Shengfeng ; Mei, Xiong ; Liu, Yujie ; Xie, Jianhua ; Cao, Di ; Li, Zhuxiang ; Engle, Linda

BACKGROUND AND OBJECTIVE:

Tocilizumab is an immunoglobulin G1 monoclonal antibody targeting the interleukin-6 receptor (IL-6R). BAT1806/BIIB800 (tocilizumab-bavi) has been developed as a biosimilar to the reference product tocilizumab (TCZ). The objective of this study was to demonstrate physicochemical and functional similarity between BAT1806/BIIB800 and TCZ in a comprehensive comparability exercise.

METHODS:

A comprehensive panel of over 20 methods was used to generate datasets comparing critical and non-critical product quality attributes for 10 BAT1806/BIIB800 lots and 44 TCZ lots (16 sourced from China, 16 from the EU, and 12 from the US). Primary structure, higher-order structure, and physicochemical properties were assessed using liquid chromatography, mass spectrometry, various spectroscopy techniques/methods, capillary electrophoresis, and thermoanalytical techniques. Fragment antigen-binding (Fab)- and fragment crystallizable (Fc)-mediated biological properties were assessed using cell-based assays, immunoassays, flow cytometry, and kinetic binding assays.

RESULTS:

BAT1806/BIIB800 and TCZ (irrespective of source) were shown to be similar in terms of structural and functional properties. No differences were observed in terms of the most critical quality attributes, that is, soluble-IL-6R binding and inhibition of IL-6-mediated cell proliferation. BAT1806/BIIB800 and TCZ demonstrated similarity in terms of Fab- and Fc-mediated binding and biological activity. Minor differences were observed in glycosylation (afucosylation and sialylation), glycation, aggregation, and charge variants, which were demonstrated to be not clinically relevant.

CONCLUSION:

BAT1806/BIIB800 and TCZ were highly similar for all critical quality attributes. Where differences were observed in less critical quality attributes, additional analytical assessments and clinical study results determined these to be not clinically meaningful.

01 Jan 2024·The Lancet. Rheumatology

Comparing tocilizumab biosimilar BAT1806/BIIB800 with reference tocilizumab in patients with moderate-to-severe rheumatoid arthritis with an inadequate response to methotrexate: a phase 3, randomised, multicentre, double-blind, active-controlled clinical trial

Article

Author: Mitroiu, Marian ; Dong, Qingfeng ; Yang, Xiaolei ; Leszczynski, Piotr ; Gu, Jieruo ; Rezk, Mourad ; Miakisz, Malgorzata ; Jeka, Slawomir ; Zhou, Yinbo ; Addison, Janet ; Stanislavchuk, Mykola ; Liu, Sheng-Yun ; Liu, Huaxiang ; Zeng, Xiaofeng ; Kilasonia, Lali ; Leng, Xiaomei

BACKGROUND:

Biosimilars provide an opportunity to address unmet medical need by expanding access to biological treatments. This study aimed to show equivalent efficacy, and comparable safety, immunogenicity, and pharmacokinetic profiles of a proposed tocilizumab biosimilar BAT1806/BIIB800, to reference tocilizumab, in participants with rheumatoid arthritis with an inadequate response to methotrexate.

METHODS:

This phase 3, multicentre, randomised, double-blind, active-controlled, equivalence study comprised a 24-week initial treatment period (results reported here) and a 24-week secondary treatment period. Participants were recruited at 54 centres across five countries (China, Ukraine, Poland, Georgia, and Bulgaria). Patients with active rheumatoid arthritis with an inadequate response to methotrexate were randomly assigned (1:1:2) to receive reference tocilizumab up to week 48, or reference tocilizumab up to week 24 followed by BAT1806/BIIB800 up to week 48 (the two reference tocilizumab groups were analysed as a single group in this analysis), or BAT1806/BIIB800 up to week 48 (the BAT1806/BIIB800 group), administered by intravenous infusion once every 4 weeks at a starting dose of 8 mg/kg. The primary endpoint was the proportion of participants who had a 20% improvement in American College of Rheumatology criteria (ACR20) at week 12 (for the European Medicines Agency [EMA]) or week 24 (for the US Food and Drug Administration [FDA] and China National Medical Products Administration [NMPA]) using prespecified equivalence margins (95% CI -14·5 to +14·5 [EMA], 90% CI -12·0 to +15·0 [FDA], and 95% CI -13·6 to +13·6 [NMPA]). The International Council for Harmonisation E9(R1) estimand framework, with strategies for addressing intercurrent events, was implemented for the efficacy evaluations with expected differences as per the predefined equivalence margins. This trial is registered at ClinicalTrials.gov (NCT03830203) and EudraCT (2018-002202-31), and is closed to new participants.

FINDINGS:

Between Dec 19, 2018, and Jan 5, 2021, we randomly assigned 621 participants: 309 to the reference tocilizumab group and 312 to the BAT1806/BIIB800 group. The mean age was 50·5 years (SD 12·0), 534 (86%) were women, 87 (14%) were men, and 368 (59%) were White. For the primary estimands, estimated ACR20 response rates were 64·8% in the reference tocilizumab group and 69·0% in the BAT1806/BIIB800 group (treatment difference 4·1% [95% CI -3·6 to 11·9]) at week 12, and 67·9% in the reference tocilizumab group and 69·9% in the BAT1806/BIIB800 group (treatment difference 1·9% [90% CI -4·0 to 7·9; 95% CI -5·2 to 9·1]) at week 24. All confidence intervals were contained within the predefined equivalence margins. Comparable pharmacokinetic and immunogenicity profiles were observed for the reference tocilizumab and BAT1806/BIIB800 groups. Adverse events were reported by 201 (65%) participants in the reference tocilizumab group and 206 (66%) in the BAT1806/BIIB800 group; 196 (63%) participants in the reference tocilizumab group and 201 (64%) participants in the BAT1806/BIIB800 group reported a treatment-emergent adverse event. Five participants had a fatal event (reference tocilizumab n=1; BAT1806/BIIB800 n=4).

INTERPRETATION:

BAT1806/BIIB800 showed equivalent efficacy, and comparable safety, immunogenicity, and pharmacokinetic profiles as reference tocilizumab.

FUNDING:

Bio-Thera Solutions and Biogen.

News (Medical) associated with Tocilizumab-bavi

11 Sep 2024

·www.prnewswire.com

Bio-Thera Solutions and Biogen Publish Phase 3 Clinical Trial Data for TOFIDENCE™ (BAT1806/BIIB800), an approved Biosimilar referencing tocilizumab in Arthritis Research & Therapy

Comparable clinical efficacy and safety in Treatment Period 2 (TP2, Week 24-48) is maintained after switch from reference tocilizumab to TOFIDENCE (BAT1806/BIIB800) Phase 3 clinical data in totality demonstrates biosimilarity between TOFIDENCE (BAT1806/BIIB800) and reference tocilizumab before and after switching.1,2 GUANGZHOU, China, Sept. 11, 2024 /PRNewswire/ -- Bio-Thera Solutions, Ltd. today announced, in collaboration with Biogen, the publication in the journal Arthritis Research & Therapy of results from Treatment Period 2 (TP2; study weeks 24-48) of a Phase 3 clinical study evaluating BAT1806/BIIB800, an approved biosimilar to Actemra®/RoActemra®3 (tocilizumab). BAT1806/BIIB800 is currently commercialized under the brand name TOFIDENCE™4. In the Phase 3, multicenter, multiregional, double-blind, active-controlled, clinical equivalence study, participants with active rheumatoid arthritis (RA) despite treatment with methotrexate were randomized (1:1:2) to intravenous (iv) administration of 8 mg/kg reference tocilizumab (TCZ) every 4 weeks to week 48 (TCZ group), or TCZ to week 24 followed by BAT1806/BIIB800 to week 48 (TCZ to BAT1806/BIIB800 group), or BAT1806/BIIB800 to week 48 (BAT1806/BIIB800 group)1,2. Efficacy in TP2 of the study was evaluated using American College of Rheumatology (ACR) response criteria (ACR20/50/70) and change from baseline in Disease Activity Score on 28 joints (DAS28)2. Pharmacokinetics, safety, and immunogenicity were also evaluated. TP2 analysis also assessed the possible impact of a single treatment switch from TCZ to BAT1806/BIIB800 after week 24, reflecting clinical practice where multiple treatment switches occur. Results from TP2 of the Phase 3 study demonstrated maintenance of comparable clinical efficacy, safety, immunogenicity and PK following switch to BAT1806/BIIB800 from TCZ, in patients with Rheumatoid Arthritis and an inadequate response to methotrexate. "We are pleased to publish the switching data of TOFIDENCE (BAT1806/BIIB800) from reference tocilizumab that strongly supports its biosimilarity to tocilizumab for a long-term period in treating patients with active rheumatoid arthritis and an inadequate response to MTX," said Dr Xiaolei Yang, Executive Medical Director for Rheumatology and Immunology at Bio-Thera. "We hope the study results help allay any concerns over safety and efficacy of TOFIDENCE (BAT1806/BIIB800) for use in patients who were previously treated with reference product." Bio-Thera Solutions, Ltd. and Biogen entered into a commercialization and license agreement to develop, manufacture and commercialize TOFIDENCE (BAT1806/BIIB800) on April 8th, 2021. Biogen has exclusive regulatory, manufacturing and commercial rights to TOFIDENCE (BAT1806/BIIB800) in all countries excluding China (including Hong Kong, Macau and Taiwan). BAT1806/BIIB800 TP2 Analysis Of 621 randomized participants, 577 (92.9%) completed Treatment Period 1 (TP1, Week 0-24) and entered TP2 (TCZ: N = 145 [93.5%]; TCZ to BAT1806/BIIB800: N = 142 [92.2%]; BAT1806/BIIB800: N = 290 [92.9%])1,2. Proportions of ACR20 responders were similar between treatment groups throughout TP2 (87.8%, 90.3%, and 90.4%, respectively, at week 48), as were proportions of ACR50 and ACR70 responders, and reduction in DAS28. Drug trough levels and antidrug antibody incidences were comparable between the treatment groups. Adverse events were balanced across the treatment groups and no fatal events were reported. In TP2, efficacy, safety, immunogenicity, and pharmacokinetic profiles were comparable between the TCZ, TCZ to BAT1806/BIIB800, and BAT1806/BIIB800 groups. These longer-term findings reinforce the results reported for TP1 and further support biosimilarity. About Bio-Thera Solutions Bio-Thera Solutions, Ltd., a leading innovative, global biopharmaceutical company in Guangzhou, China, is dedicated to researching and developing novel therapeutics for the treatment of cancer, autoimmune, cardiovascular, eye diseases, and other severe unmet medical needs, as well as biosimilars for existing, branded biologics to treat a range of cancer and autoimmune diseases. As a leader in next generation antibody discovery and engineering, the company has advanced multiple candidates into late-stage development, including four approved products: QLETLI®5 and BETAGRIN®(Bevifibatide Citrate Injection) in China, and TOFIDENCE/ BAT1806 and Avzivi®6 / Pobevcy®7 in the US, EU and China. In addition, the company has more than 20 promising candidates in clinical trials, focusing on immuno-oncology in the post-PD-1 era and targeted therapies such as ADCs. For more information, please visit or follow us on Twitter (@bio_thera_sol) and WeChat (Bio-Thera). Bio-Thera Cautionary Note Regarding Forward-Looking Statements This news release contains certain forward-looking statements relating to BAT1806 or the product pipelines in general of Bio-Thera Solutions. Readers are strongly cautioned that reliance on any forward-looking statements involves known and unknown risks and uncertainties. The forward-looking statements include, among others, those containing "could," "may," "should," "will," "would," "anticipate," "believe," "plan," "promising," "potentially," or similar expressions. They reflect the company's current views with respect to future events that are based on what the company believes are reasonable assumptions in view of information currently available to Bio-Thera Solutions and are not a guarantee of future performance or developments. Actual results and events may differ materially from information contained in the forward-looking statements as a result of a number of factors, including, but not limited to, risks and uncertainties inherent in pharmaceutical research and development, such as the uncertainties of pre-clinical and clinical studies, challenges in obtaining regulatory approvals, manufacturing, marketing, competition, intellectual property, product efficacy or safety, changes in global healthcare situation, changes in the company's financial conditions, and changes to applicable laws and regulations, etc. Forward-looking statements contained herein are made only as of the date of their initial publication. Unless required by laws or regulations, Bio-Thera Solutions undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, changes in the company's views or otherwise. 1. Leng X, Leszczynski P, Jeka S, et al. Comparing tocilizumab biosimilar BAT1806/ BIIB800 with reference tocilizumab in patients with moderate-to-severe rheumatoid arthritis with an inadequate response to methotrexate: a phase 3, randomised, multicentre, double-blind, active-controlled clinical trial. Lancet Rheumatol. 2024;6(1):e40-50 2. Leng X, Leszczynski P, Jeka S, et al. A phase 3, randomized, double-blind, active-controlled clinical trial to compare BAT1806/BIIB800, a proposed tocilizumab biosimilar, with a tocilizumab reference product in participants with moderate-to-severe rheumatoid arthritis with inadequate response to methotrexate: treatment period 2 analysis (week 24 and week 48). Manuscript in review 3. Actemra® / RoActemra® is a registered trademark of Chugai Seiyaku Kabushiki Kaisha Corp, a member of the Roche Group 4. TOFIDENCE™ is a trademark of Biogen 5. QLETLI® is a registered trademark of Bio-Thera Solutions, Ltd. 6. Avzivi® is a registered trademark of Sandoz AG 7. POBEVCY® is a registered trademark of Bio-Thera Solutions, Ltd. MEDIA CONTACT – BIO-THERA SOLUTIONS, LTD. Bert E. Thomas IV +1.410.627.1734 [email protected] SOURCE Bio-Thera Solutions, Ltd WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In GET STARTED

Phase 3Clinical ResultLicense out/inDrug Approval

25 Jul 2024

·www.prnewswire.com

Bio-Thera Solutions Initiates Integrated Phase I / Phase III Clinical Trial for BAT3306, a Proposed Biosimilar of Keytruda® (Pembrolizumab)

GUANGZHOU, China, July 25, 2024 /PRNewswire/ -- Bio-Thera Solutions Inc. (688177: SH), a commercial-stage biopharmaceutical company developing a pipeline of innovative therapies and biosimilars, today announced that dosing has recently begun in an integrated Phase I / Phase III clinical study for BAT3306, a proposed biosimilar of Keytruda® (pembrolizumab). The clinical study is a randomized, double-blind, parallel group, active control study to compare the pharmacokinetics, efficacy and safety of BAT3306 to Keytruda® in non-squamous non-small cell lung cancer (nsNSCLC) patients. The study is expected to enroll approximately 676 patients. "Keytruda is the most important innovative cancer therapy currently in use," said Shengfeng Li, CEO at Bio-Thera. "Bio-Thera is committed to expanding access to this important cancer therapy with the development of BAT3306." Bio-Thera Solutions is developing a large pipeline of biosimilars that include BAT1806, a tocilizumab has been approved by FDA, EMA and NMPA, BAT1706, a bevacizumab has been approved by FDA and NMPA. BAT2206, a ustekinumab has been filed with FDA, EMA and NMPA. Bio-Thera Solutions is also pursuing biosimilar versions of golimumab, secukinumab, and mepolizumab. About Bio-Thera Solutions Bio-Thera Solutions, Ltd., a leading innovative, global biopharmaceutical company in Guangzhou, China, is dedicated to researching and developing novel therapeutics for the treatment of cancer, autoimmune, cardiovascular, eye diseases, and other severe unmet medical needs, as well as biosimilars for existing, branded biologics to treat a range of cancer and autoimmune diseases. As a leader in next generation antibody discovery and engineering, the company has advanced multiple candidates into late-stage development, including three approved products: QLETLI® (BAT1406) in China, TOFIDENCE™/ BAT1806 in the US, EU and China and Avzivi® / Pobevcy® (BAT1706) in the US and China. In addition, the company has more than 20 promising candidates in clinical trials, focusing on immuno-oncology in the post-PD-1 era and targeted therapies such as ADCs. For more information, please visit or follow us on Twitter (@bio_thera_sol) and WeChat (Bio-Thera). Cautionary Note Regarding Forward-Looking Statements This news release contains certain forward-looking statements relating to BAT3306 or the product pipelines in general of Bio-Thera Solutions. Readers are strongly cautioned that reliance on any forward-looking statements involves known and unknown risks and uncertainties. The forward-looking statements include, among others, those containing "could," "may," "should," "will," "would," "anticipate," "believe," "plan," "promising," "potentially," or similar expressions. They reflect the company's current views with respect to future events that are based on what the company believes are reasonable assumptions in view of information currently available to Bio-Thera Solutions, and are not a guarantee of future performance or developments. Actual results and events may differ materially from information contained in the forward-looking statements as a result of a number of factors, including, but not limited to, risks and uncertainties inherent in pharmaceutical research and development, such as the uncertainties of pre-clinical and clinical studies. Other risks and uncertainties include challenges in obtaining regulatory approvals, manufacturing, marketing, competition, intellectual property, product efficacy or safety, changes in global healthcare situation, changes in the company's financial conditions, and changes to applicable laws and regulations, etc. Forward-looking statements contained herein are made only as of the date of their initial publication. Unless required by laws or regulations, Bio-Thera Solutions undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, changes in the company's views or otherwise. 1. Keytruda® is a registered trademark of Merck Sharp & Dohme 2. QLETLI® is a registered trademark of Bio-Thera Solutions, Ltd. 3. TOFIDENCE™ is a trademark of Biogen 4. Avzivi® is a registered trademark of Sandoz AG 5. POBEVCY® is a registered trademark of Bio-Thera Solutions, Ltd. Contact Bio-Thera Solutions, Ltd.: Bert E. Thomas IV +1.410.627.1734 [email protected] SOURCE Bio-Thera Solutions, Ltd

Drug ApprovalPhase 3IND

24 Jul 2024

·www.prnewswire.com

Bio-Thera Solutions Announces Regulatory Filing Acceptance for BAT2206, a Proposed Biosimilar to Stelara® in the US and EU

The U.S. Food and Drug Administration (FDA) has accepted Bio-Thera's Biologics License Applications (BLA) for BAT2206 as an interchangeable biosimilar to reference product Stelara® The European Medicines Agency (EMA) has accepted the Marketing Authorization Application (MAA) for BAT2206 as a biosimilar to reference product Stelara® The BAT2206 BLA and MAA are based on a robust analytical, non-clinical and clinical data package comparing BAT2206 to the reference product Stelara® GUANGZHOU, China, July 24, 2024 /PRNewswire/ -- Bio-Thera Solutions Inc. (688177:SH), a commercial-stage biopharmaceutical company developing a pipeline of innovative therapies and biosimilars, today announced that the FDA has accepted the BLA for BAT2206, a proposed interchangeable biosimilar to Stelara® (ustekinumab) seeking a commercial license in the United States of America. In addition, Bio-Thera also announced that the EMA has accepted the MAA for BAT2206 seeking a commercial license in the European Union (EU). A Biologics License Application seeking approval for BAT2206 is also currently under review by the China National Medicinal Product Administration (NMPA). "The acceptance of both the FDA BLA and the EMA MAA for BAT2206 marks a milestone for Bio-Thera as it is the first ustekinumab biosimilar developed by a Chinese company to be submitted to the FDA or EMA for approval," said Dr. Shengfeng Li, Founder and CEO of Bio-Thera Solutions. "Bio-Thera is committed to helping patients around the world in need of affordable therapeutics like ustekinumab by developing BAT2206 for the global markets." This BLA/MAA for BAT2206 is based on the totality of evidence comprising a comprehensive analytical, non-clinical and clinical data package. Extensive analytical characterization of the structural, physicochemical, and biological properties of BAT2206 was conducted and supports biosimilarity with the reference product. Additionally, a randomized double-blind, single-dose, three-arm, parallel group Phase 1 study compared the pharmacokinetics, safety and immunogenicity of BAT2206 with both the EU and US reference ustekinumab in healthy volunteers, while a randomized, double-blind, multi-dose, three-arm, parallel group Phase 3 study compared BAT2206 with ustekinumab to establish equivalent efficacy and comparable pharmacokinetic, safety and immunogenicity profiles, in subjects with Moderate to Severe Plaque Psoriasis. About BAT2206 (ustekinumab) BAT2206 is a proposed biosimilar to Stelara® which is a human monoclonal antibody that inhibits the bioactivity of human IL-12 and IL-23 by preventing shared p40 from binding to the IL-12Rβ1 receptor protein expressed on the surface of immune cells. IL-12 and IL-23 are involved in inflammatory and immune responses, such as natural killer cell activation and CD4+ T-cell differentiation and activation. IL-12 and IL-23 have been implicated as important contributors to the chronic inflammation that is a hallmark of Crohn's disease and ulcerative colitis, among many other autoimmune diseases. In the United States, Stelara® is a currently approved treatment for adult patients with 1) moderate to severe plaque psoriasis (PsO) who are candidates for phototherapy or systemic therapy, 2) active psoriatic arthritis (PsA), 3) moderately to severely active Crohn's disease (CD), 4) moderately to severely active ulcerative colitis. In pediatric patients 6 years and older Stelara® is currently approved for the treatment of 1) moderate to severe plaque psoriasis, who are candidates for phototherapy or systemic therapy and 2) active psoriatic arthritis (PsA). About Bio-Thera Solutions Bio-Thera Solutions, Ltd., a leading innovative, global biopharmaceutical company in Guangzhou, China, is dedicated to researching and developing novel therapeutics for the treatment of cancer, autoimmune, cardiovascular, eye diseases, and other severe unmet medical needs, as well as biosimilars for existing, branded biologics to treat a range of cancer and autoimmune diseases. As a leader in next generation antibody discovery and engineering, the company has advanced multiple candidates into late-stage development, including three approved products: QLETLI® in China, and TOFIDENCE™/ BAT1806 in the US, EU and China, and Avzivi® / Pobevcy® in the US and China. In addition, the company has more than 20 promising candidates in clinical trials, focusing on immuno-oncology in the post-PD-1 era and targeted therapies such as antibody-drug conjugates (ADCs). For more information, please visit or follow us on Twitter (@bio_thera_sol) and WeChat (Bio-Thera). Cautionary Note Regarding Forward-Looking Statements This news release contains certain forward-looking statements relating to BAT2206 or the product pipelines in general of Bio-Thera Solutions. Readers are strongly cautioned that reliance on any forward-looking statements involves known and unknown risks and uncertainties. The forward-looking statements include, among others, those containing "could," "may," "should," "will," "would," "anticipate," "believe," "plan," "promising," "potentially," or similar expressions. They reflect the company's current views with respect to future events that are based on what the company believes are reasonable assumptions in view of information currently available to Bio-Thera Solutions, and are not a guarantee of future performance or developments. Actual results and events may differ materially from information contained in the forward-looking statements as a result of a number of factors, including, but not limited to, risks and uncertainties inherent in pharmaceutical research and development, such as the uncertainties of pre-clinical and clinical studies. Other risks and uncertainties include challenges in obtaining regulatory approvals, manufacturing, marketing, competition, intellectual property, product efficacy or safety, changes in global healthcare situation, changes in the company's financial conditions, and changes to applicable laws and regulations, etc. Forward-looking statements contained herein are made only as of the date of their initial publication. Unless required by laws or regulations, Bio-Thera Solutions undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, changes in the company's views or otherwise. Stelara® is a registered trademark of Johnson & Johnson Corporation QLETLI® is a registered trademark of Bio-Thera Solutions, Ltd. TOFIDENCE™ is a trademark of Biogen Avzivi® is a registered trademark of Sandoz AG POBEVCY® is a registered trademark of Bio-Thera Solutions, Ltd. Contact Bio-Thera Solutions, Ltd.: Bert E. Thomas IV +1.410.627.1734 [email protected] SOURCE Bio-Thera Solutions, Ltd

Drug ApprovalClinical ResultPhase 1Phase 3

100 Deals associated with Tocilizumab-bavi

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Approved

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Indication	Country/Location	Organization	Date
COVID-19	EU	Biogen Netherlands BV	20 Jun 2024
COVID-19	IS	Biogen Netherlands BV	20 Jun 2024
COVID-19	LI	Biogen Netherlands BV	20 Jun 2024
COVID-19	NO	Biogen Netherlands BV	20 Jun 2024
Oligoarticular Arthritis	EU	Biogen Netherlands BV	20 Jun 2024
Oligoarticular Arthritis	IS	Biogen Netherlands BV	20 Jun 2024
Oligoarticular Arthritis	LI	Biogen Netherlands BV	20 Jun 2024
Oligoarticular Arthritis	NO	Biogen Netherlands BV	20 Jun 2024
Polyarticular Juvenile Idiopathic Arthritis	US	Biogen MA, Inc.	29 Sep 2023
Cytokine Release Syndrome	CN	Bio-Thera Solutions, Ltd.	16 Jan 2023
Rheumatoid Arthritis	CN	Bio-Thera Solutions, Ltd.	16 Jan 2023
Systemic onset juvenile chronic arthritis	CN	Bio-Thera Solutions, Ltd.	16 Jan 2023

Developing

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Indication	Highest Phase	Country/Location	Organization	Date
Juvenile Idiopathic Arthritis	NDA/BLA	US	Bio-Thera Solutions, Ltd.	09 Dec 2022

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Study	Phase	Population	Analyzed Enrollment	Group	Results	Evaluation	Publication Date


NCT03830203 \| EUCTR2018-002202-31-BG (Pubmed) Manual	Phase 3	Rheumatoid Arthritis	621	BAT1806	oujgrovzww(qtibfzbyof) = rjkwjvkyha iuxfbvejdn (qbokyyyjuo ) View more	Similar	01 Jan 2024
				tocilizumab	oujgrovzww(qtibfzbyof) = dvpvgalgqr iuxfbvejdn (qbokyyyjuo ) View more
CTR20180039 \| NCT03606876 (Pubmed \| Front Pharmacol) Manual	Phase 1	-	138	BAT1806	vsardadide(ieffkezyng) = similar in all three groups: BAT1806 (n = 45), RoActemra-EU (n = 42), and Actemra-US (n = 42). The 90% confidence intervals (CIs) for the ratios of C max , AUC0-t and AUC0-∞ were 86.90-104.41% for BAT1806 vs. RoActemra-EU, 91.70-106.15% for BAT1806 vs Actemra-US, and 90.04-105.53% for Actemra-US vs RoActemra-EU. For all comparisons, the 90% CIs for the C max , AUC0-t , and AUC0-∞ were within the predefined bioequivalence limit of 80.00-125.00%. xvqrhttaxx (xjblnevezu )	Similar	01 Jan 2020
				RoActemra-EU

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