New drug ARGX-124 put to the test in healthy people
NCT ID NCT07377396
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tests whether ARGX-124 is safe in healthy adults aged 18 to 65. Researchers will also measure how the drug moves through the body and how the immune system reacts. About 104 participants will receive either the drug or a placebo, and the study lasts up to 23 weeks.
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 104 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Dec 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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18 to 65 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: * Is at least the local legal age of consent and aged 18 to 65 years, inclusive, when signing the ICF. * Is a female of Nonchildbearing Potential (postmenopausal or surgically sterilized) or a male. * Has a body weight between 50 and 120 kg and a BMI between 18 and 30.5 kg/m2, inclusive. Exclusion Criteria: * Has any current or past clinically meaningful medical or psychiatric condition that, in the investigator's opinion, would confound the study results or put the participant at undue risk. * Has IgG levels \<6.0 g/L at screening. * Has a history of an immunosuppressive disease or an immunosuppressive condition at screening. * Previously participated in an ARGX-124, ARGX-213, or efgartigimod clinical study and received at least 1 dose of the study drug.
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Genom att skicka in godkänner du våra Användarvillkor
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 study's own enquiry address
This study publishes an address for enquiries. See it below .
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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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
Locations
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Altasciences
RECRUITINGMontreal, H3P 3P1, Canada
Contact Email: •••••@•••••
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