New Dual-Target antibody tested for safety in humans
NCT ID NCT07439263
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial tests the safety of a single dose of HB2198, an experimental antibody that binds to two immune cell targets (CD19 and CD20). About 32 healthy adults will receive either the drug or a placebo and be monitored for about two months. The goal is to see if the drug is safe and how the body processes it, before testing it in people with diseases.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- HB2198 (an experimental antibody that targets CD19 and CD20 proteins on immune cells)
- What this could lead to
- If safe, this could lead to further studies testing HB2198 for conditions involving B cells, such as autoimmune diseases or certain blood cancers.
- What could go wrong
- This is a very early Phase 1 trial in only 32 healthy people, so it cannot prove effectiveness. The antibody may cause side effects or fail in later trials.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 32 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Up to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 18-55 years; Healthy Adults * IgG ≥ 600 mg/dL * Peripheral B cell count within lab normal range * Negative pregnancy test (WOCBP) and protocol specified contraception * Confinement from Day -1 through ≥24 h after Day 1 dosing * Informed consent Exclusion Criteria: * Clinically significant disease that could affect safety or data * Hypogammaglobulinemia; active/recent significant infection * Chronic antivirals/antimicrobials * Recent major surgery; live vaccine \<30 days (inactivated ≥14 days before Day 1 recommended) * Positive TB screen without treatment * HBV DNA+ or HCV RNA+; HIV+ * Pregnancy/breastfeeding * Planned conception or gamete donation within 6 months post dose
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Veritus Research
RECRUITINGBayswater, Victoria, 3153, Australia
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