New drug SYS6043 targets Hard-to-Treat cancers in early trial

NCT ID NCT07424547

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

Summary

This early-phase trial is testing an investigational drug called SYS6043 in adults with advanced or metastatic solid tumors that have spread or no longer respond to standard treatments. The study aims to find a safe dose and watch for side effects, while also looking for early signs that the drug may slow tumor growth. About 386 participants will receive SYS6043 by IV every three weeks.

What this could mean

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

Active substance

SYS6043 (a drug given by IV infusion that targets a tumor protein called B7-H3)

What this could lead to

If it works, this could point toward a new treatment option for people with advanced solid tumors that have stopped responding to standard therapies.

What could go wrong

This is an early phase 1 trial, so the main goals are safety and dosing — it is too soon to know if SYS6043 will effectively shrink tumors. Side effects are unknown and could be serious.

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.

breast cancer breast neoplasm cancer castration-resistant prostate carcinoma metastatic malignant neoplasm neoplasm ovarian cancer prostate cancer small cell lung carcinoma

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: •••••@•••••

  • Contact

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

Locations

  • BRCR Global

    RECRUITING

    Plantation, Florida, 33322, United States

    Contact

    Contact Phone: •••-•••-••••

  • Florida Clinical Trials Group

    RECRUITING

    Plantation, Florida, 33322, United States

    Contact

    Contact Phone: •••-•••-••••

  • NEXT Oncology Austin

    RECRUITING

    Austin, Texas, 78758, United States

    Contact

    Contact Phone: •••-•••-••••

  • NEXT Oncology San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

    Contact

    Contact Phone: •••-•••-••••

  • NEXT Oncology Virginia

    RECRUITING

    Fairfax, Virginia, 22031, United States

    Contact

    Contact Phone: •••-•••-••••