Sutro Biopharma Unveils STRO-227 as First Dual-Payload ADC Targeting PTK7

Reuters

2025/11/12

Sutro Biopharma Unveils STRO-227 as First Dual-Payload ADC Targeting PTK7

Sutro Biopharma Inc. announced updates on its next-generation antibody-drug conjugate $(ADC)$ pipeline during a virtual R&D Day. The company has initiated a Phase 1 clinical study for STRO-004, a potential best-in-class Tissue Factor ADC, with initial data expected in mid-2026. Sutro also revealed STRO-227, its first dual-payload ADC candidate targeting PTK7, with an IND submission targeted for 2026/2027. Additionally, Sutro highlighted ongoing collaborations, including a partnership with Astellas on dual-payload immunostimulatory ADCs, with the first clinical program expected to begin in early 2026. The scientific research results and pipeline updates were presented during the event, which featured company leadership and external oncology experts.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sutro Biopharma Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: GNW9573463-en) on November 12, 2025, and is solely responsible for the information contained therein.

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While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sutro Biopharma Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. 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The company has initiated a Phase 1 clinical study for STRO-004, a potential best-in-class Tissue Factor ADC, with initial data expected in mid-2026. Sutro also revealed STRO-227, its first dual-payload ADC candidate targeting PTK7, with an IND submission targeted for 2026/2027. Additionally, Sutro highlighted ongoing collaborations, including a partnership with Astellas on dual-payload immunostimulatory ADCs, with the first clinical program expected to begin in early 2026. The scientific research results and pipeline updates were presented during the event, which featured company leadership and external oncology experts.\n      \n\nDisclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. 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