- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04570306
Transcriptional and Immine Parameters of Response to Belinumab
Whole Blood Transcriptional and Mass Cytometry Immune Profiling in Systemic Lupus Erythematosus (SLE) Patients to Discern the Salutary Effects of Belimumab on Halting Disease Progression and Flares Without Compromising Host Fitness
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
B-cell activating factor (BAFF) excess causes lupus disease by exerting costimulatory effects on the B-cell compartment but also on a variety of non-B-cell subsets such as T-helper cells and monocytes/dendritic cells. The 2019 updated European League Against Rheumatism (EULAR) recommendations for SLE recommend usage of belimumab (anti-BAFF mAb) in persistently active or flaring disease based upon evidence for efficacy, reduction of flares and organ damage accrual without increasing the risk of infections. Still, belimumab is usually reserved for established, refractory cases. It is conceivable that earlier usage may halt the progression of the disease, especially prevent flares and dysfunction in major organs. The investigators have completed a combined genetic and transcriptomic analysis in the peripheral blood of SLE patients and have characterized distinct gene signatures for disease activity/flare and severity. Using machine learning techniques, the investigators can predict SLE patients likely to develop major organ involvement. In vitro and gene profiling studies in purified lupus monocytes indicate that these cells exist - under the effect of type I interferon - in a "high alert" autoreactive and metabolic state (reminiscent of 'trained immunity'), which may contribute to risk of flares, tissue injury but also major comorbidities seen in SLE, particularly accelerated atherosclerosis and infections. Based upon the clinical experience accumulated thus far, it is likely that belimumab may neutralize these molecular signatures for flares and disease progression without interfering with host defense immune pathways.
The investigators propose to perform RNA-sequencing of the whole blood initially, in a cohort of 80 SLE patients who will receive belimumab as part of standard clinical practice, in order to assess intra-patient longitudinal (baseline, 1, 3 and 6 months) transcriptome changes and examine whether treatment can ameliorate the identified activity/flare, severity and major organ disease signatures. The investigators will also obtain preliminary information on molecular signatures predicting clinical responses and the impact of belimumab on gene signatures of host defense against viral and bacterial (including mycobacterial) pathogens. Using modules of cell type-specific genes and co-expression gene networks, the investigators will deconvolute our data to define pertinent molecular alterations in specific immune cell types. Results will be validated and functionally characterized by single-cell mass cytometry (performed at the aforementioned time points), which enables investigation of the cell identity (including subsets of B-cells and myeloid cells of particular relevance to the disease) and activation status at protein level (e.g. phosphorylation) through next-generation, high-dimensional flow cytometry. Through a focused analysis of the deconvoluted RNA-seq and mass cytometry data followed by targeted gene expression and function studies in purified monocytes, the investigators will determine whether belimumab can restore "SLE-primed" monocytes thus, alleviating their inflammatory and pro-atherogenic phenotype and enhancing their bactericidal activity. Collectively, these studies will provide novel mechanistic insights on the beneficial efficacy/toxicity ratio of belimumab therapy in SLE, while supporting the early use of the drug.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Dimitrios T BOUMPAS, MD
- Phone Number: +306937212025
- Email: boumpasd@uoc.gr
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria: SLE patients:
- who meet the Systemic Lupus International Collaborating Clinics (SLICC) 2012 and/or European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) 2019 classification criteria;
- have active disease defined as the combination of clinical (i.e., excluding serology) SLEDAI-2000 ≥6 and physician global assessment (PhGA) ≥1.5. Both flaring (acute exacerbation) and persistent disease activity will be considered;
- are started belimumab (standard approved dose of i.v. 10 mg/kg or subcutaneous 200 mg/week) due to active disease. The intention to start belimumab will be made by the treating Rheumatologist(s), in accordance to the current standard of care, and on the basis of shared physician-patient decision making.
Exclusion Criteria:
- age <18 years
- co-existing rheumatic or other autoimmune disease
- pregnancy
- active infection
- history of malignant disorder
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Belimumab-treated SLE patients
SLE patients with active disease who will be started on add-on treatment with belimumab on top of standard of care.
|
The study will involve 80 adult patients diagnosed with SLE who will be started on belimumab (standard approved dose of i.v. 10 mg/kg or subcutaneous 200 mg/week) due to active disease.
The intention to start belimumab will be made by the treating Rheumatologist(s), in accordance to the current standard of care, and on the basis of shared physician-patient decision making.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in blood transcriptome in relation to clinical response induced by belimumab
Time Frame: 1, 3 and 6 months
|
To evaluate changes in SLE blood transcriptome that are induced by treatment with belimumab with emphasis on the reversibility of previously-defined gene signatures for disease activity/flare, severity/progression and major organ involvement.
Results will be correlated with validated patient outcomes such as clinical response (defined according to SLE Responder Index-4).
|
1, 3 and 6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in blood transcriptome in relation to low disease activity induced by belimumab
Time Frame: 3 and 6 months
|
To evaluate changes in SLE blood transcriptome that are induced by treatment with belimumab with emphasis on the reversibility of previously-defined gene signatures for disease activity/flare, severity/progression and major organ involvement.
Results will be correlated with low disease activity in SLE (according to the Low Disease Activity State definition)
|
3 and 6 months
|
Changes in blood transcriptome in relation to remission induced by belimumab
Time Frame: 6 months
|
To evaluate changes in SLE blood transcriptome that are induced by treatment with belimumab with emphasis on the reversibility of previously-defined gene signatures for disease activity/flare, severity/progression and major organ involvement.
Results will be correlated with remission in SLE (according to the Definition of Remission [DORIS] in SLE)
|
6 months
|
Collaborators and Investigators
Investigators
- Study Chair: Dimitrios T Boumpas, MD, Biomedical Research Foundation, Academy of Athens
Publications and helpful links
General Publications
- Steri M, Orru V, Idda ML, Pitzalis M, Pala M, Zara I, Sidore C, Faa V, Floris M, Deiana M, Asunis I, Porcu E, Mulas A, Piras MG, Lobina M, Lai S, Marongiu M, Serra V, Marongiu M, Sole G, Busonero F, Maschio A, Cusano R, Cuccuru G, Deidda F, Poddie F, Farina G, Dei M, Virdis F, Olla S, Satta MA, Pani M, Delitala A, Cocco E, Frau J, Coghe G, Lorefice L, Fenu G, Ferrigno P, Ban M, Barizzone N, Leone M, Guerini FR, Piga M, Firinu D, Kockum I, Lima Bomfim I, Olsson T, Alfredsson L, Suarez A, Carreira PE, Castillo-Palma MJ, Marcus JH, Congia M, Angius A, Melis M, Gonzalez A, Alarcon Riquelme ME, da Silva BM, Marchini M, Danieli MG, Del Giacco S, Mathieu A, Pani A, Montgomery SB, Rosati G, Hillert J, Sawcer S, D'Alfonso S, Todd JA, Novembre J, Abecasis GR, Whalen MB, Marrosu MG, Meloni A, Sanna S, Gorospe M, Schlessinger D, Fiorillo E, Zoledziewska M, Cucca F. Overexpression of the Cytokine BAFF and Autoimmunity Risk. N Engl J Med. 2017 Apr 27;376(17):1615-1626. doi: 10.1056/NEJMoa1610528.
- Kang S, Fedoriw Y, Brenneman EK, Truong YK, Kikly K, Vilen BJ. BAFF Induces Tertiary Lymphoid Structures and Positions T Cells within the Glomeruli during Lupus Nephritis. J Immunol. 2017 Apr 1;198(7):2602-2611. doi: 10.4049/jimmunol.1600281. Epub 2017 Feb 24.
- Urowitz MB, Ohsfeldt RL, Wielage RC, Kelton KA, Asukai Y, Ramachandran S. Organ damage in patients treated with belimumab versus standard of care: a propensity score-matched comparative analysis. Ann Rheum Dis. 2019 Mar;78(3):372-379. doi: 10.1136/annrheumdis-2018-214043. Epub 2019 Jan 4.
- Panousis NI, Bertsias GK, Ongen H, Gergianaki I, Tektonidou MG, Trachana M, Romano-Palumbo L, Bielser D, Howald C, Pamfil C, Fanouriakis A, Kosmara D, Repa A, Sidiropoulos P, Dermitzakis ET, Boumpas DT. Combined genetic and transcriptome analysis of patients with SLE: distinct, targetable signatures for susceptibility and severity. Ann Rheum Dis. 2019 Aug;78(8):1079-1089. doi: 10.1136/annrheumdis-2018-214379. Epub 2019 Jun 5.
- Novakovic B, Habibi E, Wang SY, Arts RJW, Davar R, Megchelenbrink W, Kim B, Kuznetsova T, Kox M, Zwaag J, Matarese F, van Heeringen SJ, Janssen-Megens EM, Sharifi N, Wang C, Keramati F, Schoonenberg V, Flicek P, Clarke L, Pickkers P, Heath S, Gut I, Netea MG, Martens JHA, Logie C, Stunnenberg HG. beta-Glucan Reverses the Epigenetic State of LPS-Induced Immunological Tolerance. Cell. 2016 Nov 17;167(5):1354-1368.e14. doi: 10.1016/j.cell.2016.09.034.
- van Vollenhoven RF, Petri MA, Cervera R, Roth DA, Ji BN, Kleoudis CS, Zhong ZJ, Freimuth W. Belimumab in the treatment of systemic lupus erythematosus: high disease activity predictors of response. Ann Rheum Dis. 2012 Aug;71(8):1343-9. doi: 10.1136/annrheumdis-2011-200937. Epub 2012 Feb 15.
- Goh C, Knight JC. Enhanced understanding of the host-pathogen interaction in sepsis: new opportunities for omic approaches. Lancet Respir Med. 2017 Mar;5(3):212-223. doi: 10.1016/S2213-2600(17)30045-0.
- Monaco G, Lee B, Xu W, Mustafah S, Hwang YY, Carre C, Burdin N, Visan L, Ceccarelli M, Poidinger M, Zippelius A, Pedro de Magalhaes J, Larbi A. RNA-Seq Signatures Normalized by mRNA Abundance Allow Absolute Deconvolution of Human Immune Cell Types. Cell Rep. 2019 Feb 5;26(6):1627-1640.e7. doi: 10.1016/j.celrep.2019.01.041.
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- DB11
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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