Tests DB-2304 in healthy adults and people with lupus
Tests DB-2304 injection against placebo in healthy adults and adults with lupus.
Plain-language title generated from the registry record
Registry title: A Phase 1/2a Study of DB-2304 in Healthy Adults and SLE/CLE Participants
Key facts
- Where
- Melbourne, AustraliaSee the site
- Phase
- Phase 1/2
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for healthy adults (Part A) and adults with systemic lupus (SLE) or skin lupus (CLE) (Part B) to test the safety of DB-2304.
- Age
- Part A: 18 to 55 years. Part B: 18 to 70 years.
- Sex
- Women and men can both join.
- Disease stage
- Part B: SLE that meets the 2019 EULAR/ACR classification criteria, with active lupus skin disease. Or CLE confirmed by a tissue sample, still active despite conventional treatment.
- Earlier treatment
- Part B: must have been on a stable lupus treatment for at least 1 month before randomization.
- Biomarker or test result
- Part B, SLE: a past or present positive antinuclear antibody (ANA) or anti-double-stranded DNA (anti-dsDNA) antibody test.
Main reasons for not taking part
- Active lupus nephritis or moderate-to-severe or chronic kidney disease (Part B)
- Active neuropsychiatric lupus within 8 weeks before screening (Part B)
- Past or ongoing cancer, with limited exceptions (Part B)
- Known primary immunodeficiency, splenectomy, or a condition that makes infection more likely (Part B)
- Past shingles or recurrent herpes simplex, or any infection in the 30 days before dosing (Part A)
Read by machine on 9 November 2026.
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 70 years old?
Source: NCT06625671, who can take part
Where in Australia
- MelbourneMelbourne, AustraliaNo longer taking part
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- DualityBio Inc.
- Trial code
- NCT06625671
- Record updated
- 2 June 2026
- Original description
A Phase 1/2a Study of DB-2304 in Healthy Participants and Participants with Systemic Lupus Erythematosus or Cutaneous Lupus ErythematosusRead full original descriptionShow less
A Randomized, Double-Blind, Phase 1/2a Study to Evaluate the Safety, Tolerability, PK and PD of DB-2304 for Injection in Healthy Adult Participants and Participants With Systemic Lupus Erythematosus or Cutaneous Lupus Erythematosus
A Phase 1/2a Study of DB-2304 in Healthy Participants and Participants with Systemic Lupus Erythematosus or Cutaneous Lupus Erythematosus
Inclusion: Participants who fully understand the purpose, nature, method, and potential adverse reactions of the study and voluntarily sign the informed consent form (ICF) and agree to participate; Healthy male or female participants; 18 to 55 years of age (both inclusive) on the day of signing ICF; meet the body mass index (BMI) criteria; Based on the investigator assessment, there are no abnormal findings or findings with clinical significance from the medical history consultation, physical examination, vital signs assessment, clinical laboratory tests, and 12-lead ECG; Female participants of childbearing potential or male participants agree to use highly effective contraception during the study; Participants who are willing and able to comply with the prescribed protocol treatment and evaluations; Participants who fully understand the purpose, nature, method, and potential adverse reactions of the study and voluntarily sign the informed consent form (ICF) and agree to participate; Participants who are willing and able to comply with the prescribed protocol treatment and evaluations; Male or female participants, 18 to 70 years of age (both inclusive) on the day of signing ICF; Currently receiving a stable SLE/CLE treatment regimen of any medication for a period of at least 1 month prior to randomization; For SLE： 4. Meet the European Alliance of Associations for Rheumatology (EULAR)/American College of Rheumatology (ACR) 2019 classification criteria for SLE; History or presence at Screening of positive antinuclear antibodies (ANA) or anti-double-stranded DNA (anti-dsDNA) antibodies; At screening have active lupus skin disease defined by the SELENA-SLEDAI at screening and randomization; For CLE： 8. Must have diagnosis of CLE that has been histologically confirmed, with or without systemic LE manifestations; 9.Must have active CLE despite an adequate trial of conventional therapies.
Exclusion: Any active or suspected bacterial, viral, fungal, or parasitic infection within 30 days prior to dosing; Participants who have undergone surgery within the past 3 months or have plans for sur-gery during the study; Have active neuropsychiatric SLE within 8 weeks prior to screening; History of, or ongoing, malignant disease, including solid tumors and hematologic malignancies with the exception of basal cell carcinomas and squamous cell carcinomas and carcinoma in situ of the cervix that have been completely excised and considered cured >2 years prior to Screening; Evidence or history of clinically significant diseases; History of herpes zoster (shingles) or recurrent herpes simplex (e.g., oral cold sores or gen-ital sores); History of sensitivity to any ingredients of DB-2304; Have active lupus nephritis or moderate-to-severe or chronic kidney disease; Any active skin conditions or active arthritis other than SLE that may interfere with skin or arthritis assessments (e.g., psoriasis, non-LE skin lesions, non-LE alopecia areata, drug-induced lupus, rheumatoid arthritis) at screening; Known history of a primary immunodeficiency (e.g., common variable immunodeficiency syndrome), splenectomy, or any underlying condition that predisposes the participant to infection; NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.