New drug ABBV-519 enters first human tests for lupus and arthritis
NCT ID NCT07607964
First seen Jun 27, 2026 · Last updated Sep 15, 2026 · Updated 6 times
Summary
This early-stage study tests a single dose of ABBV-519 in 30 adults with moderate lupus or rheumatoid arthritis. Researchers will check how the drug moves through the body, how it affects immune cells, and whether it is safe. Participants will be followed for about a year to monitor side effects and immune response.
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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Jan 2029
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 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: Key Inclusion Criteria: * Individuals between 18 and 75 years of age inclusive at the time of Screening. * Minimum baseline B-cell count of 50 cells/mcL. Inclusion Criteria for SLE Participants: * Clinical diagnosis of SLE and fulfilling the 2019 EULAR/ACR classification criteria. * Positive ANA ≥ 1:80 and the presence of at least one of the following autoantibodies above the upper limit of normal (ULN): anti-double-stranded DNA (dsDNA), anti-Smith (Sm), anti-ribonucleoprotein (RNP), or anti-Sjogren's syndrome antigen A (SSA). * Hybrid Systemic Lupus Erythematosus Disease Activity Index (hSLEDAI) score of ≥ 4 (excluding anti-dsDNA and C3/C4). Lupus headache or organic brain syndrome do not count towards the hSLEDAI points required for eligibility. * Participants must have an inadequate response to ≥ 1 immunosuppressant therapies, used for at least 3 months. Inclusion Criteria for RA Participants: * Clinical diagnosis of RA and fulfilling the 2010 ACR/EULAR classification criteria for RA. * Presence of rheumatoid factor (RF) or anti-citrullinated peptide antibodies (ACPA) above the ULN. * Presence of at least 6 swollen and 6 tender joints * High-sensitivity C-reactive protein (hs-CRP) ≥ 3 mg/L. * Failed at least 1 conventional synthetic disease-modifying antirheumatic drug (DMARD) and ≥ 1 biological or targeted DMARDs of different classes. Exclusion Criteria: Key Exclusion Criteria: * Participants with a history of infection. * Participants with uncontrolled hypertension Exclusion for SLE Participants: * Active neuropsychiatric SLE, or signs or symptoms of neuropsychiatric SLE within the 6 months prior to Screening (lupus headache permissible). \- Unstable or progressive glomerulonephritis (active class III or IV). * SLE overlap syndromes including, but not limited to RA, Sjogren's disease (SjD), SSc, polymyositis, dermatomyositis, or mixed connective tissue disease. Exclusion for RA Participants: \-- History of RA overlap syndromes, including but not limited to SLE, SjD, scleroderma, mixed connective tissue disorder or polymyositis.
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Conditions
The condition(s) this trial relates to.
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
10 sites in 2 countries. 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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Advanced Quality Medical Research /ID# 279147
RECRUITINGOrland Park, Illinois, 60462, United States
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Clinical Research Of West Florida - Phase I Unit /ID# 279292
RECRUITINGClearwater, Florida, 33765, United States
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Clinical Research Of West Florida - Tampa - North Howard Avenue /ID# 279130
RECRUITINGTampa, Florida, 33606, United States
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Clinical Research of Osceola /ID# 278374
RECRUITINGKissimmee, Florida, 34741, United States
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Discovery Health Research Center /ID# 279691
RECRUITINGPlantation, Florida, 33317, United States
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Epic Medical Research /ID# 279180
RECRUITINGRed Oak, Texas, 75154, United States
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Finlay Medical Research - Greenacres /ID# 278380
RECRUITINGGreenacres City, Florida, 33467, United States
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Institute of Science Tokyo Hospital /ID# 279648
RECRUITINGBunkyo-ku, Tokyo, 113-8519, Japan
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Pinnacle Research Group /ID# 278677
RECRUITINGAnniston, Alabama, 36207, United States
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Solace Research /ID# 279155
RECRUITINGTustin, California, 92780, United States
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