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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06395662
Other study ID # ProBioRIS
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date July 2024
Est. completion date July 2025

Study information

Verified date April 2024
Source Centre Hospitalier Universitaire de Nimes
Contact Eric Thouvenot, Prof.
Phone +334 66 68 32 61
Email eric.thouvenot@chu-nimes.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Radiologically isolated syndrome (RIS) often precedes Multiple Sclerosis (MS) but some patients have no symptoms. This study aims to use biological samples and magnetic resonance imaging (MRI) data from four large cohorts of patients with MS in the United States, Europe and France, to stratify the chances of RIS developing into MS. Identifying early biomarkers to predict greater disease severity would have a significant impact, not only on RIS but also on the entire clinical spectrum of multiple sclerosis.


Description:

Radiologically Isolated Syndrome (RIS) is defined as the presence of asymptomatic, idiopathic demyelinating-appearing white matter lesions in the central nervous system. RIS often precedes clinical multiple sclerosis. Data from the international RIS Consortium indicate that 34% of RIS patients will have their first multiple sclerosis symptom within 5 years, and 51% within 10 years, making RIS the earliest identifiable phase of MS. While most RIS patients will evolve to relapsing MS, ~10% directly evolve towards progressive multiple sclerosis. RIS is an informative cohort for studying the earliest pathophysiologic changes, but remains a significant challenge for MS clinicians, as not all RIS patients will develop clinical symptoms. There is a need to distinguish RIS patients at high risk of clinical MS from those who will remain asymptomatic. Stratification would be invaluable to inform treatment/monitoring recommendations and counsel patients. In the RIS Consortium cohort, age at diagnosis, positive CSF oligoclonal bands (OCBs) or elevated IgG index, infratentorial or spinal cord lesions, and gadolinium-enhancing (Gd+) lesions during follow-up independently predicted a first clinical event at 10 years. Additional serum and CSF biomarkers may further refine the risk stratification for clinical MS and may predict more severe tissue injury measured by MRI. Serum and cerebrospinal fluid biomarkers can refine risk stratification of the progression from risk to clinical multiple sclerosis and predict more severe tissue damage as measured by magnetic resonance imaging. Identifying early biomarkers to predict greater disease severity would have a significant impact, not only on RIS, but also on the entire clinical spectrum of multiple sclerosis. However, RIS remains a rare disease and large cohorts are needed to validate potential prognostic biomarkers. The international RIS Consortium has had a unique opportunity to apply for a research grant from the National Multiple Sclerosis Society to combine biomarker expertise, advanced magnetic resonance imaging analysis, and collaborative networks and cohorts to refine the prognosis of multiple sclerosis. Here, the proposal is to use biological samples and magnetic resonance imaging data from four large cohorts of patients with multiple sclerosis in the United States, Europe and France. In fact, this proposal is based on existing clinical and magnetic resonance imaging data and stored serum and cerebrospinal fluid samples from the ARISE (clinicaltrials. gov NCT02739542) and TERIS (NCT03122652) trials, which are randomized, double-blind, placebo-controlled trials on multiple sclerosis, as well as two prospective, real-world cohorts of multiple sclerosis patients from the French multiple sclerosis observatory (OFSEP = Observatoire Français de la Sclérose en Plaques) and the French multiple sclerosis society (SFSEP = Société Francophone de la Sclérose En Plaques). The French observatory for multiple sclerosis, coordinated by Professor Sandra Vukusic in Lyon, brings together neurologists from all over France and 61 centers that use the European Database for Multiple Sclerosis, including 31 French hospitals and expert centers, and more than 45,000 people with multiple sclerosis or related diseases (half the population with multiple sclerosis in France). This includes a priority effort involving at least 85 RIS patients validated by the central supervision of the RIS consortium (Prof. Christine Lebrun-Frenay, Nice), with longitudinal follow-up and systematic association of clinical data with biological samples and neuro-imaging. Standardized biological samples obtained from RIS patients and banked in certified biological resource centers guarantee the high quality of biological samples associated with clinical and medical imaging data collected prospectively in the EDMUS database. This biocollection offers a unique opportunity to identify and validate potential biomarkers of disease activity and clinical conversion in RIS patients, notably in association with those of randomized clinical trials and the SFSEP, which relies on the same French network of experts in multiple sclerosis (CRC-SEP = Centres de Ressources et de Compétences sur la Sclérose en Plaques) and biological research centers. The hypothesis is that increases in the serum Neurofilament Light (sNfl) chain and serum Glial Fibrillary Astrocytic Protein (sGFAP) will be associated with higher numbers of new gadolinium-enhancing (Gd+) lesions, higher T2 lesion volume, higher rates of clinical relapse, and faster thalamic volume decline over 96 weeks.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 320
Est. completion date July 2025
Est. primary completion date December 2024
Accepts healthy volunteers
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - Patients from the OFSEP, SFSEP, RISE and TERIS cohorts with centralized validated radiologoically isolated syndrome and a standardized magnetic resonance imaging from the OFSEP or Randomized Clinical Trials database. - at least one cerebro-spinal fluid and/or serum sample at baseline available at a local or centralized biological resource center. - if present, serum sample collected at the time of clinical conversion. Exclusion Criteria: - patients with no biocollection, or with non-standardized magnetic resonance imaging acquisitions

Study Design


Intervention

Other:
Observational
Search for biomarkers

Locations

Country Name City State
France INTERNATIONAL CENTER OF RESEARCH IN INFECTIOLOGY, LYON UNIVERSITY, INSERM U1111, CNRS UMR 5308, ENS, UCBL 46 Allée d'Italie Lyon Rhône
France COTE D'AZUR UNIVERSITY, URRIS-UR2CA. Hôpital Pasteur 2, 30, Voie Romaine Nice Alpes-Maritimes
United States University of Texas, Southwestern Dallas Texas

Sponsors (4)

Lead Sponsor Collaborator
Centre Hospitalier Universitaire de Nimes International Center of Research in Infectiology, Lyon University, The University of Texas at Dallas, Universite Cote d'Azur

Countries where clinical trial is conducted

United States,  France, 

Outcome

Type Measure Description Time frame Safety issue
Other Age of patients who provided serum and cerebrospinal fluid samples The ages of patients from the 4 cohorts (ARISE, TERIS, OFSEP and SFSEP) will be recorded in years. Week 0
Other Sex of patients who provided serum and cerebrospinal fluid samples The sex of patients from the 4 cohorts (ARISE, TERIS, OFSEP and SFSEP) will be recorded as Male/Female/Non-binary. Week 0
Other Disease-Modifying Therapy exposure in patients who provided serum and cerebrospinal fluid samples Any exposure to disease-modifying therapy among patients from the 4 cohorts (ARISE, TERIS, OFSEP and SFSEP) will be recorded in terms of nature and duration. Week 0
Primary Aim 1a : Association between Serum Neurofilament Light chain (sNfL) and RIS in all groups of patients Quantitative in g/mL, SIMOA (TM) in all cohorts: ARISE, TERIS, OFSEP and SFSEP. n=327 Week 0
Primary Aim 1a : Association between Serum Neurofilament Light chain (sNfL) and RIS in all groups of patients Quantitative, in g/mL, SIMOA (TM) in all cohorts: ARISE, TERIS, OFSEP and SFSEP. n=327 Week 96
Primary Aim 1a : Association between Serum Glial Fibrillary Astrocytic Protein (sGFAP) and RIS in all groups of patients Quantitative, in g/mL, SIMOA (TM) in all cohorts: ARISE, TERIS, OFSEP and SFSEP. n=327 Week 0
Primary Aim 1a : Association between Serum Glial Fibrillary Astrocytic Protein (sGFAP) and RIS in all groups of patients Quantitative, in g/mL, SIMOA (TM) in all cohorts: ARISE, TERIS, OFSEP and SFSEP. n=327 Week 96
Primary Aim 1b: Association between Serum Neurofilament Light chain (sNfL) and RIS in placebo-treated patients Serum Neurofilament Light chain (sNfL) will be measured in placebo-treated patients from the ARISE and TERIS cohorts (n= 88) Week 0
Primary Aim 1b: Association between Serum Neurofilament Light chain (sNfL) and RIS in placebo-treated patients Serum Neurofilament Light chain (sNfL) will be measured in placebo-treated patients from the ARISE and TERIS cohorts (n= 88) Week 96
Primary Aim 1b : Association between Serum Glial Fibrillary Astrocytic Protein (sGFAP)and RIS in placebo-treated patients Serum Glial Fibrillary Astrocytic Protein (sGFAP) will be measured in placebo-treated patients from the ARISE and TERIS cohorts (n= 88) Week 0
Primary Aim 1b: Association between Serum Glial Fibrillary Astrocytic Protein (sGFAP)and RIS in placebo-treated patients Serum Glial Fibrillary Astrocytic Protein (sGFAP)will be measured in placebo-treated patients from the ARISE and TERIS cohorts (n= 88) Week 96
Secondary Aim 2a: Kappa free light chain (KFLC) index in RIS patients in the SFSEP, OFSEP and ARISE cohorts, n=121 CSF NfL, CHI3L1, and OCBs have been tested as predictors of clinical evolution in RIS, but a comprehensive examination of a large number of candidate serum and CSF biomarkers has not been undertaken. The kappa free light chain (KFLC) index will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) by cytokine multiplex assay (ProcartaPlexTM and Simoa TM). Regression techniques (chosen according to the outcome variable) will measure the univariate association between each CSF and serum biomarker and the number of Gd+ lesions, T2LV, and thalamic volume at study entry and new T2/Gd+ lesions, clinical relapse, and thalamic volume decline over time. Machine learning (LASSO; SAS HPGENSELECT) will select the final set of biomarkers most strongly associated with clinical and MRI measures. Week 0
Secondary Aim 2a: Kappa free light chain (KFLC) index in RIS patients in the SFSEP, OFSEP and ARISE cohorts, n=121 CSF NfL, CHI3L1, and OCBs have been tested as predictors of clinical evolution in RIS, but a comprehensive examination of a large number of candidate serum and CSF biomarkers has not been undertaken. The kappa free light chain (KFLC) index will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) by Binding Site Optilite analyzer. Regression techniques (chosen according to the outcome variable) will measure the univariate association between each CSF and serum biomarker and the number of Gd+ lesions, T2LV, and thalamic volume at study entry and new T2/Gd+ lesions, clinical relapse, and thalamic volume decline over time. Machine learning (LASSO; SAS HPGENSELECT) will select the final set of biomarkers most strongly associated with clinical and MRI measures. Week 96
Secondary Aim 2a: Cerebrospinal fluid neurofilament light chain as a potential biomarker of RIS. The neurofilament light chain will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (Simoa TM). Week 0
Secondary Aim 2a: Cerebrospinal fluid neurofilament light chain as a potential biomarker of RIS. The neurofilament light chain will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (Simoa TM). Week 96
Secondary Aim 2a: Chitinase-3-like protein 1 as a potential biomarker of RIS. Chitinase-3-like protein 1will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (ProcartaPlexTM). Week 0
Secondary Aim 2a: Chitinase-3-like protein 1 as a potential biomarker of RIS. Chitinase-3-like protein 1will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (ProcartaPlexTM). Week 96
Secondary Aim 2a: Oligoclonal bands as a potential biomarker of RIS. Oligoclonal bands will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 0
Secondary Aim 2a: Oligoclonal bands as a potential biomarker of RIS. Oligoclonal bands will be measured in two-thirds of the total cerebral spinal fluid samples available (n= 121) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 96
Secondary Aim 2b: Validation of cerebrospinal fluid neurofilament light chain as a potential biomarker of RIS. The neurofilament light chain will be measured in the remaining third of the total cerebral spinal fluid samples available (n= 60) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 0
Secondary Aim 2b: Validation of cerebrospinal fluid neurofilament light chain as a potential biomarker of RIS. The neurofilament light chain will be measured in the remaining third of the total cerebral spinal fluid samples available (n= 60) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 96
Secondary Aim 2b: Validation of chitinase-3-like protein 1 as a potential biomarker of RIS. Chitinase-3-like protein 1 will be measured in the remaining third of the total cerebral spinal fluid samples available (n=60) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (ProcartaPlexTM). Week 0
Secondary Aim 2b: Validation of chitinase-3-like protein 1 as a potential biomarker of RIS. Chitinase-3-like protein 1 will be measured in the remaining third of the total cerebral spinal fluid samples available (n=60) from patients in the SFSEP, OFSEP and ARISE cohorts by cytokine multiplex assay (ProcartaPlexTM). Week 96
Secondary Aim 2b: Validation of oligoclonal bands as a potential biomarker of RIS. Oligoclonal bands will be measured in the remaining third of the total cerebral spinal fluid samples available (n=60) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 0
Secondary Aim 2b: Validation of oligoclonal bands as a potential biomarker of RIS. Oligoclonal bands will be measured in the remaining third of the total cerebral spinal fluid samples available (n=60) from patients in the SFSEP, OFSEP and ARISE cohorts by isoelectric focusing. Week 96
Secondary Aim 3: Improving prediction of clinical disease activity of RIS Using patients from Aim 2 (n=181), a multivariate Cox regression model including known predictors of clinical disease activity (sex, age, OCBs, infratentorial and spinal cord lesions, Gd+ lesions, and DMT exposure) will be built to discern the added value of sNfL, sGFAP, and our final set of biomarkers from Aim 2 to predict clinical disease. Biomarker thresholds will be defined based on the distribution of the data. Week 0
Secondary Aim 3: Improving prediction of clinical disease activity of RIS Using patients from Aim 2 (n=181), a multivariate Cox regression model including known predictors of clinical disease activity (sex, age, OCBs, infratentorial and spinal cord lesions, Gd+ lesions, and DMT exposure) will be built to discern the added value of sNfL, sGFAP, and our final set of biomarkers from Aim 2 to predict clinical disease. Biomarker thresholds will be defined based on the distribution of the data. Week 96
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