---
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286424455.md"
description: "GT Biopharma shares are trading higher after the company announced that the first patient was dosed in a Phase 1 dose escalation basket trial evaluating GTB-5550."
datetime: "2026-05-14T13:11:18.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286424455.md)
  - [en](https://longbridge.com/en/news/286424455.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286424455.md)
---

# 

GT Biopharma shares are trading higher after the company announced that the first patient was dosed in a Phase 1 dose escalation basket trial evaluating GTB-5550.

### Related Stocks

- [GTBP.US](https://longbridge.com/en/quote/GTBP.US.md)
- [IBB.US](https://longbridge.com/en/quote/IBB.US.md)
- [PBE.US](https://longbridge.com/en/quote/PBE.US.md)
- [BBH.US](https://longbridge.com/en/quote/BBH.US.md)
- [XBI.US](https://longbridge.com/en/quote/XBI.US.md)
- [SBIO.US](https://longbridge.com/en/quote/SBIO.US.md)
- [BIB.US](https://longbridge.com/en/quote/BIB.US.md)
- [IBBQ.US](https://longbridge.com/en/quote/IBBQ.US.md)
- [FBT.US](https://longbridge.com/en/quote/FBT.US.md)
- [LABU.US](https://longbridge.com/en/quote/LABU.US.md)

## Related News & Research

- [GT Biopharma reports Q1 results](https://longbridge.com/en/news/286567387.md)
- [EXCLUSIVE: GT Biopharma Begins Testing Of Lead Solid Tumor Drug Candidate Across Multiple Cancer Types](https://longbridge.com/en/news/286415809.md)
- [BUZZ-Street View: Regeneron's melanoma trial setback raises bigger-picture questions](https://longbridge.com/en/news/286769076.md)
- [Korro Bio To Advance KRRO-111 As Potential Treatment For AATD](https://longbridge.com/en/news/287089978.md)
- [Candel Therapeutics Reports Positive Phase 3 Prostate Cancer Trial Data](https://longbridge.com/en/news/286652611.md)