New heart failure drug enters early human testing

NCT ID NCT07465653

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial is testing an experimental drug called HJB647 in 12 adults with stable chronic heart failure and reduced pumping ability. The study aims to check the drug's safety and how the body processes it at two different doses. Participants will receive both the drug and a placebo at different times to compare effects.

What this could mean

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

Active substance

HJB647 (an experimental drug in capsule form)

What this could lead to

If successful, this could point toward a new treatment option for chronic heart failure with reduced ejection fraction.

What could go wrong

This is a very early Phase 1 trial with only 12 participants, so it is primarily testing safety, not effectiveness. The drug may not work or could have side effects.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for HEART FAILURE WITH REDUCED EJECTION FRACTION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

heart failure systolic heart failure

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: •••-•••-••••

Locations

  • Jacksonville Center for Clinical

    RECRUITING

    Jacksonville, Florida, 32216, United States

    Contact

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

  • Nature Coast Clinical Research LLC

    RECRUITING

    Inverness, Florida, 34452, United States

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

    Contact

  • Synergy Healthcare

    RECRUITING

    Bradenton, Florida, 34208, United States

    Contact

    Contact Email: •••••@•••••