---
title: "Zenas BioPharma Announces First Subject Dosed in Phase 1 Clinical Trial of ZB021, a Novel, Potentially Best-in-Class Oral IL-17AA/AF Inhibitor | ZBIO Stock News"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286245469.md"
description: "Zenas BioPharma Announces First Subject Dosed in Phase 1 Clinical Trial of ZB021, a Novel, Potentially Best-in-Class Oral IL-17AA/AF Inhibitor | ZBIO Stock News"
datetime: "2026-05-13T02:50:35.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286245469.md)
  - [en](https://longbridge.com/en/news/286245469.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286245469.md)
---

# Zenas BioPharma Announces First Subject Dosed in Phase 1 Clinical Trial of ZB021, a Novel, Potentially Best-in-Class Oral IL-17AA/AF Inhibitor | ZBIO Stock News

Zenas BioPharma Announces First Subject Dosed in Phase 1 Clinical Trial of ZB021, a Novel, Potentially Best-in-Class Oral IL-17AA/AF Inhibitor | ZBIO Stock News

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