New lupus drug candidate enters human trials
NCT ID NCT07185269
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests an experimental drug called SSGJ-626, an antibody that targets a protein on certain immune cells, in people with systemic lupus erythematosus (SLE). The trial will enroll 198 adults aged 18-70 with SLE. Participants will receive either the drug or a placebo as a shot under the skin. The main goal is to check safety and see if the drug can reduce lupus symptoms.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SSGJ-626 (an anti-BDCA2 antibody)
- What this could lead to
- If successful, this could lead to a new treatment option that helps control lupus symptoms and reduce disease activity.
- What could go wrong
- This is an early-phase trial (Phase 1/2) with a small number of participants, so the drug may not prove effective or safe. Side effects are possible, and results may not apply to all lupus patients.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 198 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Nov 2028
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 70 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: * Able to understand protocol requirements and sign a written ICF. * Male or female subjects aged 18-70 years when signing the ICF. * Body weight between 40 and 90 kg. * Diagnosed with SLE at least 6 months before the Screening Visit by a qualified physician,confirmed according to the 2019 SLE European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) classification criteria for SLE. * At screening, meet at least one of the following criteria: 1. Anti-nuclear antibody (ANA) titer ≥ 1:80; 2. Positive anti-dsDNA antibody.. * Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) ≥6 with clinical SLEDAI score ≥4 points at Screening and Baseline Visit . * Currently receiving at least one of the SOC SLE medications: oral corticosteroid, antimalarial and/or immunosuppressive agent. Exclusion Criteria: * Study participant has a mixed connective tissue disease, and/or overlap syndrome of systemic lupus erythematosus (SLE) with systemic sclerosis. * Study participant has any medical or psychiatric condition (including conditions due to neuropsychiatric SLE) that, in the opinion of the Investigator, could jeopardize or would compromise the study participant's ability to participate in this study. This includes study participants with a life-threatening condition * Patients who have active Hepatitis B, Hepatitis C or HIV infections as determined by positive results at Screening. * History of cancer. * Active severe lupus nephritis present within 2 months prior to baseline. Or estimated glomerular filtration rate (eGFR) \<30 mL/min/1.73m2, or protein:creatinine ratio \>2.0 g/g.
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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
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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Peking Union Medical College Hospital
RECRUITINGBeijing, Beijing Municipality, 100730, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a single cell therapy calm multiple autoimmune diseases?
- Can a Three-Drug combo quiet lupus kidney flares?
- Can a new antibody tame lupus flares?
- Can a single infusion of reprogrammed immune cells quiet lupus kidney disease?
- Eye tests could spot silent vision damage in lupus patients