Leishmaniasis drug candidate tested in humans for first time – study halted early

NCT ID NCT04504435

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

Summary

This was a first-in-human study to check the safety and how the body processes a single dose of GSK3494245, a potential treatment for leishmaniasis. It involved 59 healthy adults who received up to three increasing doses of the drug or a placebo. The study was terminated early, so the full safety and dosing information was not collected.

What this could mean

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

Active substance

GSK3494245

What could go wrong

This was a very early, first-in-human study that was terminated, so we don't know if the drug is safe or effective. No conclusions can be drawn about treating leishmaniasis.

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.

leishmaniasis

As listed by the trial registrant

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

Contacts and locations

Locations

  • GSK Investigational Site

    Cambridge, CB2 2GG, United Kingdom