Can a single injection of HMB-003 be safe for humans? a first test begins
NCT ID NCT07798505
First seen Sep 01, 2026 · Last updated Sep 11, 2026 · Updated 5 times
Summary
Researchers are testing a new experimental drug called HMB-003 in healthy adults aged 18 to 50. The goal is to see how well the body tolerates a single injection and to measure how much of the drug stays in the blood and urine. This first-in-human study focuses on safety and how the drug behaves, not yet on treating any disease.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- HMB-003, an experimental drug given as a single subcutaneous injection
- What this could lead to
- If HMB-003 proves safe and well tolerated, it could pave the way for further studies to see if it helps treat blood clotting disorders.
- What could go wrong
- This is an early, first-in-human study with only 40 healthy volunteers. The drug may cause side effects or fail to show the desired effects 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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2027
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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18 to 50 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: * Participant is aged 18 to 50 years, inclusive, at the time of signing informed consent. * Overall healthy as determined by medical evaluation including physical examination, vital signs, laboratory tests, and ECG. Exclusion Criteria: * Participant has a history of clinically significant hypersensitivity to any excipients of the study drug * Participant is pregnant, breastfeeding, or \<6 weeks postpartum. * Participant has received investigational drug or device in another clinical study within 30 days or 5 half-lives, whichever is longer, before dosing.
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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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Worldwide Clinical Trials
RECRUITINGSan Antonio, Texas, 78217, United States
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