New cancer drug LB4330 tested in early trial

NCT ID NCT05707676

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This early-phase trial tested a new drug called LB4330 in people with advanced solid tumors that had stopped responding to standard treatments. LB4330 is designed to help the immune system attack cancer cells. The study aimed to find a safe dose and check for side effects, but it was terminated early.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

LB4330 (a fusion protein that targets Claudin 18.2 on tumor cells and activates CD8 T cells)

What this could lead to

If successful, this could point toward a new treatment option for advanced solid tumors like stomach or pancreatic cancer.

What could go wrong

This is a very early (Phase 1) trial that was terminated, so results are limited. The drug may not be effective or safe in larger studies.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

gastric adenocarcinoma gastroesophageal junction adenocarcinoma neoplasm pancreatic ductal adenocarcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Fudan University Shanghai Cancer Center

    Shanghai, Shanghai Municipality, 200120, China