Relapsing Remitting Multiple Sclerosis Clinical Trial
— SIZOMUSOfficial title:
Safety of Ixazomib Targeting Plasma Cells in Multiple Sclerosis: A Phase 1b Randomised, Double-blind, Placebo-controlled Trial.
Verified date | February 2022 |
Source | Queen Mary University of London |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The study seeks to investigate safety and efficacy of ixazomib (NINLARO), a proteasome inhibitor, in multiple sclerosis (MS). Participants will receive either ixazomib capsules or placebo capsules for up to 24 months.
Status | Recruiting |
Enrollment | 72 |
Est. completion date | August 20, 2023 |
Est. primary completion date | August 20, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - Each participant must meet all of the following inclusion criteria to be enrolled in the study: 1. Male and female patients 18 to 65 years old at screening 2. Must have a diagnosis of MS, and: - Patients with RRMS must be on DMT - Patients with progressive MS must not be on DMT 3. Participants with RRMS must be on stable DMT (i.e. must not have had a relapse within 1 month prior to the screening visit). Patients on tecfidera, cladribine, ocrelizumab, alemtuzumab, fingolimod or natalizumab must be enrolled with caution, at Chief Investigator's (CI) discretion because of the lymphopenia caused by these drugs and the risk of thrombocytopenia in 1-2 % of people after alemtuzumab 4. OCB positive CSF either from a previous CSF analysis or from the screening CSF analysis 5. Able and willing to give written informed consent and comply with protocol requirements with the understanding that consent may be withdrawn by the patient at any time without prejudice to future medical care. 6. Agree to the use of effective contraception as follows: Female patients must: - Be postmenopausal for at least 1 year before the screening visit (postmenopausal status confirmed by serum Follicle Stimulating Hormone (FSH) and oestrogen levels at screening or from a historical sample), OR - Surgically sterile, OR - If they are of childbearing potential, must agree to practice two effective methods of contraception concurrently from the time of signing the informed consent form until 90 days after the last dose of study drug, OR - Agree to practice true abstinence when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence e.g. calendar, ovulation, symptothermal, post-ovulation methods and withdrawal are not acceptable methods of contraception Male patients must: - Even if surgically sterilized (post-vasectomy with documentation of azoospermia), agree to practice effective barrier contraception during the entire study treatment period and through to 90 days after the last dose of study drug, OR - Agree to practice true abstinence when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence e.g. calendar, ovulation, symptothermal, post-ovulation methods and withdrawal are not acceptable methods of contraception 7. Clinical laboratory values: 1. Absolute neutrophil count (ANC) = 1 x 109/L 2. Platelet count = 100 x 109/L 3. Total bilirubin = 1.5 × the upper limit of the normal range (ULN) 4. Alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) = 3 × ULN. 5. Calculated creatinine clearance = 30 mL/min Exclusion Criteria: - Participants meeting any of the following exclusion criteria are not to be enrolled in the study: 1. EDSS > 8.5 at screening 2. MS relapse within 1 month prior to screening 3. Female patients who are lactating or have a positive serum pregnancy test at screening 4. Major surgery within 14 days before baseline 5. Any clinically relevant malignancy or infection, as per CI/PI (or delegate) decision, including a possible diagnosis of multiple myeloma: raised erythrocyte sedimentation rate (ESR) and positive urine Bence Jones protein at screening 6. Infection requiring systemic (intravenous) antibiotic therapy or other serious infection within 14 days before study enrolment. Urinary tract infections (UTIs) will be treated prior to baseline and may delay baseline 7. Evidence of current uncontrolled cardiovascular conditions, including uncontrolled hypertension, uncontrolled cardiac arrhythmias, symptomatic congestive heart failure, unstable angina, or myocardial infarction within 6 months of screening 8. Systemic treatment, within 14 days before the first dose of ixazomib, with strong Cytochrome P450 Isoform 3A (CYP3A) inducers (rifampin, rifapentine, rifabutin, carbamazepine, phenytoin, phenobarbital), or use of St. John's Wort 9. History of active hepatitis B or C virus infection, or human immunodeficiency virus (HIV) positive or positive Tuberculin (TB) ELISPOT. If there is positive TB ELISPOT and the TB team decides to treat as latent TB, participants can be reassessed for inclusion after treatment 10. Any serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment according to this protocol 11. Known GI disease or GI procedure that could interfere with the oral absorption or tolerance of ixazomib including difficulty swallowing 12. Diagnosed or treated for malignancy within 2 years before study enrolment or previously diagnosed with another malignancy and have any evidence of residual disease. Patients with non-melanoma skin cancer or carcinoma in situ of any type are not excluded if they have undergone complete resection 13. Patient has = Grade 3 peripheral neuropathy, or Grade 2 with pain on clinical examination during the screening period 14. Participation in other clinical trials involving investigational (unlicensed) medicinal products, licensed medicinal products or alternative medicinal therapies, within 30 days of screening and throughout the duration of this trial. Participation in non-interventional, questionnaire or observational studies whilst enrolled in this study is permitted. 15. Patients that have previously been treated with ixazomib or participated in a study with ixazomib whether treated with ixazomib or placebo 16. Known allergy to any of the study medications, their analogues, or excipients in the various formulations of any agent 17. Any pre-existing central nervous system disease or involvement other than MS 18. History of uncontrolled drug or alcohol abuse within 6 months prior to screening. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Royal London Hospital, Barts Health NHS Foundation Trust | London | Greater London |
Lead Sponsor | Collaborator |
---|---|
Queen Mary University of London | Takeda Pharmaceuticals International, Inc. |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Exploratory endpoint - IgG FLC | a. Proportion of all subjects who show reduction in total levels of Immunoglobulin G Free Light Chain (IgG FLC) in Cerebrospinal Fluid (CSF) at 24 months in the Ixazomib versus placebo arm. | Baseline to 24 months | |
Other | Exploratory endpoint - CD19 | b. Proportion of all subjects who show change in levels of Cluster of Differentiation antigen 19 (CD 19) at 24 months in the Ixazomib versus placebo arm. | Baseline to 24 months | |
Other | Exploratory endpoint - soluble CD 138 | c. Proportion of all subjects who show change in levels of soluble CD 138 at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - CD 27 | d. Proportion of all subjects who show change in levels of soluble CD 27 at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - neurofilament light chain | e. Proportion of all subjects who show change in levels of neurofilament light chain at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - neurofilament heavy chain | f. Proportion of all subjects who show change in levels of neurofilament heavy chain at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - neopterin | g. Proportion of all subjects who show change in levels of neopterin at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - cytokines profile | h. Proportion of all subjects who show change in levels of cytokines profile at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - GFAP | i. Proportion of all subjects who show change in levels of Glial fibrillary acidic protein (GFAP) at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - NCAM | j. Proportion of all subjects who show change in levels of Neural cell adhesion molecule (NCAM) at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - GAP43 | k. Proportion of all subjects who show change in levels of Growth Associated Protein 43 (GAP43) at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Other | Exploratory endpoint - S100B | l. Proportion of all subjects who show change in levels of S100 calcium-binding protein B (S100B) at 24 months in the Ixazomib versus placebo arm | Baseline to 24 months | |
Primary | Safety - Adverse events (AE) will be compared between active and placebo arm | Proportion of AEs in the Ixazomib versus placebo arm in subjects with Relapsing Remitting Multiple Sclerosis (RRMS) Proportion of serious AEs (SAEs) in the Ixazomib versus placebo arm in subjects with RRMS Proportion of AEs in the Ixazomib versus placebo arm in subjects with progressive MS Proportion of serious AEs (SAEs) in the Ixazomib versus placebo arm in subjects with progressive MS Proportion of AEs in the Ixazomib versus placebo arm in all subjects (subjects with RRMS and subjects with progressive MS) Proportion of serious AEs (SAEs) in the Ixazomib versus placebo arm in all subjects (subjects with RRMS and subjects with progressive MS) |
Baseline to 24 months | |
Primary | Efficacy - the proportion of OCB IgG negative subjects will be compared between active and placebo arm | Proportion of all subjects (Relapsing Remitting Multiple Sclerosis and progressive Multiple Sclerosis subjects) negative for Oligoclonal Bands Immunoglobulin G (OCB IgG) antibodies measured in Cerebrospinal Fluid (CSF) in the Ixazomib versus placebo arm at 24 months Proportion of subjects negative for Oligoclonal Bands Immunoglobulin G (OCB IgG) antibodies measured in Cerebrospinal Fluid (CSF) in the Ixazomib versus placebo arm at 24 months in subjects with Relapsing Remitting Multiple Sclerosis (RRMS) Proportion of subjects negative for Oligoclonal Bands Immunoglobulin G (OCB IgG) antibodies measured in Cerebrospinal Fluid (CSF) in the Ixazomib versus placebo arm at 24 months in subjects with progressive Multiple Sclerosis |
Baseline to 24 months | |
Secondary | Magnetic Resonance Imaging (MRI) | Change in T2 lesion load and gadolinium enhancing lesions on brain MRI with Ixazomib versus placebo arm at 24 months | Baseline to 24 months | |
Secondary | Change In Expanded Disability Status Scale (EDSS) with Ixazomib versus placebo arm at 24 months. The EDSS scale ranges from 0 to 10 in 0.5 unit increments that represent higher levels of disability. Scoring is based on an examination by a neurologist | Change in EDSS with ixazomib versus placebo at 24 months. | Baseline to 24 months |
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