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Key Biosimilars Events of June 2026 

Shots:  June 2026 saw strong biosimilar momentum with key approvals and regulatory milestones, including Ranluspec (US FDA), Tofidence sBLA (US FDA), Liyoubao (NMPA), Zandoriah (EC),  and multiple ANVISA approvals, alongside submissions for CT-P55 (Health Canada) and ADL-018 (Health Canada), expanding treatment options across immunology,  ophthalmology,  oncology, osteoporosis, and reproductive medicine.  Strategic collaborations between Chime Biologics–Daewoong, Polpharma Biologics–PSI CRO, Xbrane–JOINN, Samsung Bioepis–Organon, and Orion Pharma–Shilpa Biologicals advanced global biosimilar development and commercialization.  Commercial and clinical progress accelerated with the EU launch of Ahzantive, Canadian launches of Bildyos and Tuzemty, FDA acceptance of multiple BLA submissions, first patient dosing of HLX17, and positive late-stage data for SB27 and SPD8, highlighting continued global biosimilar market expansion.  Celltrion Seeks…

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Merck new

Merck Reports FDA Approval of Keytruda/Keytruda QLEX + Welireg in Clear Cell Renal Cell Carcinoma

Shots: The US FDA has approved MSD's Welireg + Keytruda/Keytruda QLEX as adj. therapy in clear cell renal cell carcinoma (ccRCC) pts at intermediate-high or high risk of recurrencepost-nephrectomy or post-nephrectomy & resection of metastatic lesions Approval was backed by the P-III (LITESPARK-022) trial data assessing Keytruda (400mg, Q6W, IV) + Welireg (120mg, QD, PO)…

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Henlius Reports First US Patient Dosed in Global P-I Trial of HLX17 (Biosimilar, Keytruda) 

Shots:  Shanghai Henlius has dosed the first US patient in the global P-I trial of HLX17, a biosimilar version of Keytruda (pembrolizumab), for the adjuvant treatment of multiple resected solid tumors  P-I multicentre study evaluates the PK, efficacy, safety, and immunogenicity of HLX17 vs Keytruda in pts with resected solid tumors, including non-small cell lung cancer, melanoma, and renal cell carcinoma.…

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Astellas and Pfizer Gain FDA Priority Review for Padcev + Keytruda in Muscle-Invasive Bladder Cancer (MIBC), Regardless of Cisplatin Eligibility

Shots: The US FDA has accepted sBLA & granted priority review to perioperative Padcev + Keytruda/Keytruda Qlex for the treatment of pts with MIBC, regardless of cisplatin eligibility (PDUFA: Aug 17, 2026) sBLA was supported by the P-III (EV-304/KEYNOTE-B15) trial assessing neoadj. Padcev + Keytruda, followed by surgery & then adj. Keytruda + Padcev vs…

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Pfizer, Merck and Astellas Report P-III (KEYNOTE-B15) Trial Findings on Keytruda + Padcev to Treat Muscle-Invasive Bladder Cancer (MIBC)

Shots: The P-III (KEYNOTE-B15/EV-304) trial assessed Keytruda + Padcev (IV), followed by surgery & then Keytruda + Padcev vs neoadj. SoC + surgery in cisplatin-eligible MIBC pts Trial showed 47% reduction in the risk of tumor recurrence, progression, or death, with an estimated 79.4% pts event-free at 2yrs. vs 66.2% with SoC, plus the combination…

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Formycon and Zydus Lifescience Report Successful Clinical Development of FYB206 (Biosimilar, Keytruda) 

Shots:  Formycon & Zydus Lifescience has reported that the pivotal Dahlia PK study of FYB206, a biosimilar version of Keytruda (pembrolizumab), has met its 1EP   The multicenter PK study showed bioequivalence of FYB206 (pembrolizumab) to Keytruda   Zydus Lifesciences has exclusively in-licensed FYB206, a proposed biosimilar to Keytruda (pembrolizumab), from Formycon for the US and Canada   Ref: Zydus Lifesciences | Image: Zydus Lifesciences and Formycon | Press Release  Related…

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Bio-Thera Partners with Avalon Pharma to Commercialize BAT3306 (Biosimilar, Keytruda) in Saudi Arabia and MENA 

Shots:  Bio-Thera and Avalon Pharma have signed commercialization and licensing agreements for BAT3306, a biosimilar version of Keytruda (Pembrolizumab)  As per the deal, Bio-Thera will oversee development, manufacturing, and supply of BAT3306, while Avalon Pharma will handle regulatory approvals and commercialization across Saudi Arabia and the MENA region  BAT3306 is a humanized monoclonal antibody and immune checkpoint inhibitor…

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Merck new

Merck Reports P-III (KEYNOTE-B15) Trial Finding on Keytruda + Padcev to Treat Muscle-Invasive Bladder Cancer (MIBC)

Shots: The P-III (KEYNOTE-B15/EV-304) trial assessed 4 cycles of Keytruda (IV) + Padcev (IV), followed by surgery & then Keytruda (IV, 13 cycles) plus Padcev (IV, 5 cycles) vs neoadj. SoC + surgery in cisplatin-eligible MIBC pts (n=808) Trial showed that perioperative combination of Keytruda + Padcev significantly improved EFS, OS & pCR rates vs…

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Formycon Partners with Zydus to Commercialize FYB206 (Biosimilar, Keytruda) in the US and Canada

Shots: Formycon has entered into an exclusive licensing & supply agreement with Zydus Lifesciences Global FZE, UAE (Zydus' subsidiary) to commercialize Formycon’s FYB206, a biosimilar version of Merck’s Keytruda (pembrolizumab), in the US & Canada As per the deal, Formycon will be responsible for development, registration, manufacturing & supply of the product, while Zydus Lifesciences…

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