New pill aims to tame chronic hepatitis b

NCT ID NCT05960240

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial tests AB-101, an oral drug that blocks a protein called PD-L1 to help the immune system fight the hepatitis B virus. The study involves 128 people, including healthy volunteers and patients with chronic hepatitis B. Researchers are primarily checking for safety and how the body processes the drug.

What this could mean

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

Active substance

AB-101 (an oral PD-L1 inhibitor)

What this could lead to

If successful, this could lead to a new treatment option for chronic hepatitis B, potentially reducing the need for lifelong medication.

What could go wrong

This is an early Phase 1 trial focused on safety, not effectiveness. The drug may cause immune-related side effects and may not work as hoped.

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.

chronic hepatitis B virus infection hepatitis B virus infection

As listed by the trial registrant

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

Contacts and locations

Locations

  • ASST Papa Giovanni XXIII -Osepedale

    Bergamo, Italy

  • Clinial Republican Hospital "Timofei Mosneaga"

    Chisinau, Moldova

  • Clinical Republican Hospital "Timofei Mosneaga", ARENSIA E. M.

    Bucharest, Romania

  • Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico

    Milan, Italy

  • Municipal Non-Profit Enterprise Kyiv City Clinical Hospital No12 Executive Body of Kyiv City Council

    Kyiv, Ukraine

  • National University Hospital

    Singapore, Singapore

  • New Zealand Clinical Research Auckland

    Grafton, Auckland, New Zealand

  • Prince of Wales Hospital

    Hong Kong, Hong Kong, Hong Kong

  • Queen Mary Hospital - PPDS

    Hong Kong, Hong Kong, Hong Kong

  • Singapore General Hospital

    Singapore, Singapore