---
title: "A2 Biotherapeutics Receives U.S. FDA Fast Track Designation For A2b543"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/281376179.md"
datetime: "2026-04-01T13:17:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/281376179.md)
  - [en](https://longbridge.com/en/news/281376179.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/281376179.md)
---

# A2 Biotherapeutics Receives U.S. FDA Fast Track Designation For A2b543

April 1 (Reuters) - \* A2 BIOTHERAPEUTICS RECEIVES U.S. FDA FAST TRACK DESIGNATION FOR A2B543, A LOGIC-GATED CAR T-CELL THERAPY ENHANCED WITH A MEMBRANE-TETHERED IL-12 BOOSTER Source text: Further company coverage: \[ \]

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