New drug HLX43 targets tough esophageal cancers

NCT ID NCT06769113

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tests a drug called HLX43 in 102 people with advanced esophageal cancer that did not respond to or could not tolerate standard first-line therapy. HLX43 is an antibody-drug conjugate designed to deliver a chemotherapy agent directly to cancer cells. The study aims to see if the drug can shrink tumors and how safe it is.

What this could mean

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

Active substance
HLX43 (an antibody-drug conjugate that targets PD-L1 and delivers a chemotherapy drug directly to cancer cells)
What this could lead to
If successful, this could provide a new treatment option for people with advanced esophageal cancer who have run out of standard therapies.
What could go wrong
This is a mid-stage trial with only 102 participants, so results may not apply to everyone. The drug may cause side effects or not shrink tumors as hoped.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Shandong Cancer Hospital

    RECRUITING

    Jinan, Shandong, 250117, China

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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