The trial is taking place at:

Pinnacle Research Group | Anniston, AL

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A Study of DS-7011a in Patients With Systemic Lupus Erythematosus

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Daiichi Sankyo

Status and phase

Phase 2
Phase 1


Systemic Lupus Erythematosus


Drug: DS-7011a
Drug: Placebo

Study type


Funder types




Details and patient eligibility


Systemic lupus erythematosus (SLE) is a systemic chronic autoimmune disease characterized by autoantibody production, inflammation, and tissue damage in multiple organs. Standard of care therapies used to treat SLE are only partially effective and have a wide range of toxicities. There is a need for more effective and safer therapies for patients with SLE.

Full description

This Phase 1b/2 study will initially explore the safety, tolerability, pharmacokinetics, pharmacodynamics, immunogenicity, and efficacy of DS-7011a in patients with SLE. DS-7011a is an anti-Toll-like receptor 7 (TLR7) antagonistic monoclonal antibody developed for the treatment of SLE.


24 estimated patients




18+ years old


No Healthy Volunteers

Inclusion criteria

* Male and female participants must be of 18 years or more with definite SLE for at least 6 months prior to Screening, defined according to the 2019 European League Against Rheumatism (EULAR)/American College of Rheumatology (ACR) classification criteria for SLE, including documented history of positivity for antinuclear antibody (titer ≥1:80). * Body mass index (BMI) ≥18 kg/m\^2 and body weight ≥45 kg. * Presence of active CLE (acute, subacute, and chronic cutaneous lupus), with active skin involvement and a CLASI-A score of 4 or higher at the time of screening and randomization as recognized by 2 adjudicators, ie, the investigator in the periphery at the site and a centrally located arbiter contracted ad hoc (in case of disagreement between these 2 adjudicators, a third adjudicator, also centrally located and contracted ad hoc, will solve the disagreement and provide a final decision), despite adequate use of conventional therapies (either topical corticosteroids or antimalarial agents used for at least 12 weeks prior to Screening) or because of the requirement to discontinue these therapies due to side effects or poor tolerability. * Participants must be willing to have skin tape harvests collected from the affected skin area (skin tape stripping done on the target lesion). * Participants must agree not to participate in any other investigational study during the study Treatment Period and for 3 months after the last dose of study drug. * Participants must give written informed consent to participation in the study prior to Screening. * Participants must be vaccinated against COVID-19

Exclusion criteria

* Active lupus nephritis (LN) on induction therapy, or induction therapy completed within 12 weeks prior to Screening (stable maintenance therapy with mycophenolate or azathioprine allowed). * Active neuropsychiatric SLE, including, but not limited to, the following: seizure, new or worsening impaired level of consciousness, psychosis, delirium or confusional state, aseptic meningitis, ascending or transverse myelitis, chorea, cerebellar ataxia, mononeuritis multiplex, or demyelinating syndromes. * Primary diagnosis of autoimmune or rheumatic disease other than SLE (secondary Sjögren's syndrome or autoimmune thyroiditis are not exclusionary) or drug-induced lupus. * History of chronic, recurrent (3 or more of the same type of infection in 1 year) or recent serious infection, including viral infections, as determined by the investigator, or requiring anti-infective treatment within 12 weeks prior to Screening. * History of severe herpes infection or signs of herpes or varicella zoster viral infection within 12 weeks prior to Screening. * Positive COVID-19 molecular test at Screening or symptoms suggestive of SARS-CoV-2 infection or close contact with an individual with SARS-CoV-2 infection within 2 weeks prior to randomization. * History of malignant disease within the 2 years before Screening or ongoing at the time of Screening, except basal cell carcinomas and squamous cell carcinomas of the skin, or completely excised carcinoma in situ of the cervix * Chronic kidney disease with significant proteinuria (ie, \>2 g/24 h or urine protein to creatinine ratio \>200 mg/g) or decreased renal function (estimated glomerular filtration rate \[eGFR\] \<30 mL/min). * New York Heart Association class III or IV congestive heart failure. * Concomitant disease or condition that could interfere with, or treatment of which might interfere with, the conduct of the study, or that would, in the opinion of the investigator, pose an unacceptable risk to the participant in this study. * History or positive test result for human immunodeficiency virus at Screening. * Active hepatitis B virus (HBV) infection determined at Screening as positive test result for hepatitis B surface antigen. * Active hepatitis C virus (HCV) infection determined at Screening as HCV ribonucleic acid (RNA) above the limit of detection in subjects with positive HCV antibody titer. * History of, or ongoing, active tuberculosis (TB) or untreated latent TB infection (LTBI) at Screening. Participants with documented previously completed appropriate LTBI treatment and without evidence of re-exposure will not be required to be tested. * Any other significant condition that according to the investigator's judgment would prevent compliance with study protocol and full study participation. * Participants must not be participating in another investigational study or have participated in an investigational study within the past 30 days prior to randomization (Day 1). * History of or current inflammatory skin disease other than SLE that in the opinion of the investigator could interfere with the inflammatory skin assessments and confound the disease activity assessments. * History of any non-SLE disease that had required treatment with oral or parenteral corticosteroids for more than a total of 2 weeks within the last 24 weeks prior to randomization

Trial design

Primary purpose




Interventional model

Parallel Assignment


Double Blind

24 participants in 2 patient groups, including a placebo group

Experimental group
Participants with systemic lupus erythematosus (SLE) and cutaneous lupus erythematosus (CLE) who will be randomized to receive DS-7011a 20 mg/kg every 4 weeks by intravenous infusion.
Drug: DS-7011a
Placebo Comparator group
Participants with systemic lupus erythematosus (SLE) and cutaneous lupus erythematosus (CLE) who will be randomized to receive placebo every 4 weeks by intravenous infusion.
Drug: Placebo

Trial contacts and locations



Central trial contact

Contact for Clinical Trial Information Disclosure

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