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About
REPAIR-MS is a single-center open label, sequential group, investigator and patient blinded study to assess the CNS metabolic effects, safety, pharmacokinetics, and pharmacodynamics of CNM-Au8 in patients who have been diagnosed with Multiple Sclerosis (MS) within fifteen (15) years of Screening. The primary endpoint for this study changes from baseline to week 12 in CNS metabolic changes, based on 31P-MRSimaging.
Full description
This is a single-center open-label, sequential group, investigator blinded study of the CNS metabolic effects, safety, pharmacokinetics, and pharmacodynamics of CNM-Au8 in patients who have been diagnosed with relapsing multiple sclerosis (RMS) within fifteen (15) years of Screening. Patients will be screened over up to a 6-week period.Patients who meet inclusion criteria and none of the exclusion criteria may be enrolled into the clinical study. The initial cohort of patients (Cohort 1) will begin treatment at a dose of 15mg or 30mg CNM-Au8. Upon completion of the first Treatment Period, dose(s) will be selected for the subsequent cohort (Cohort 2), based on the results of the 31P-MRS change versus baseline from the first cohort. A total of two treatment cohorts may be studied. Investigators and patients will remain blinded to study dose until the study database is formally locked. All patients will receive daily oral treatment over twelve (12) consecutive weeks during each cohort's Treatment Period.
There will be three study periods per treatment cohort:
Patients will be contacted by phone to assess safety and tolerability at Week 2. At Weeks 4, 8, and 12 patients will return to the clinic to complete PK, PD, visual acuity testing, and safety assessments. At the Baseline and Week 12 visits patients will complete 31P-MRS, MRI, and OCT imaging assessments, the 9-Hole Peg Test, Timed 25-Foot Walk Test, Visual Acuity (high and low contrast letter/visual acuity) and the Symbol Digit Modalities Test (SDMT). Following treatment discontinuation at Week 12, patients will complete an end-of-study (EOS) visit at Week 18. All patients who are prematurely discontinued from treatment will complete the end-of-study visit 4-weeks after discontinuation.
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Inclusion and exclusion criteria
Patients enrolled in Cohort 1 must meet the following Inclusion Criteria:
Patients enrolled in Cohort 2 must meet the following Inclusion Criteria:
Patients enrolled in Cohort 1 must meet the following Exclusion Criteria:
Patients with a clinical relapse requiring systemic steroid treatment within the prior three (3) months.
Patients treated with any other MS therapy other than natalizumab; or treated with clemastine fumarate.
Based on the Investigator's judgment, patients with a history of significant other major medical condition that may interfere with the conduct of the study or interpretation of the study results.
Based on the Investigator's judgment, patients who may have difficulty complying with the protocol and/or study procedures.
History of any clinically significant abnormality in hematology, blood chemistry, ECG, or physical examination not resolved by the Baseline visit which according to Investigator can interfere with study participation.
Patients with clinically significant hepatic or renal dysfunction or clinical laboratory findings that would limit the interpretability of change in liver or kidney function, or those with low platelet counts (< 150 x 109 per liter) or eosinophilia (absolute eosinophil count of
≥500 eosinophils per microliter) at Screening.
Patients with a prior history of, or positive serological assay for the presence of HIV infection, or laboratory evidence of active or chronic infection with hepatitis C (HCV) or hepatitis B (HBV). Note, participants who have been vaccinated for HBV and have detectable HB antibodies are not excluded unless positive for hepatitis surface antigen (HBsAg).
Patients participating in any other investigational drug trial or using an investigational drug (within 12 weeks prior to screening and thereafter).
Positive screen for drugs of abuse or known alcohol abuse.
Females who are pregnant, have a positive pregnancy test, are nursing, or who plan to get pregnant during the course of this clinical trial or within 6 months of the end of this trial.
Women of child-bearing potential, or men, who are unwilling or unable to use accepted methods of birth control during the study and for 6 months following completion of study participation.
Patients with implanted metal objects in their body that may be affected by an MRI procedure.
Patients who are claustrophobic or otherwise unlikely to be able to complete the MRI scanning procedures.
Patients with a history of gold allergy.
Patient is considered a suicide risk in the opinion of the Investigator, has previously made a suicide attempt, or is currently demonstrating active suicidal ideation. Subjects with intermittent passive suicidal ideation are not necessarily excluded based on the assessment of the Investigator.
Any active ophthalmological cause for retinal damage other than MS (e.g. cataracts, uveitis, macular degeneration, macular exudate, macular edema, glaucoma, severe astigmatism, ocular trauma, neuromyelitis optica, ischemic optic neuropathy, congenital nystagmus, retinal detachment, amblyopia, optic disk drusen).
Severe refractive defects: refractive errors (-5 dioptres to +5 dioptres or more in either eye or axial eye length >26 mm), hypermetropia (> 5 dioptres; cylinder > 3 dioptres); or based on the Investigator's judgment any other ophthalmic diseases that might confound the study results or optical coherence tomography assessment.
PRN use of stimulant medications including: amphetamine, dextroamphetamine, lisdexamfetamine, methylphenidate, or modafinil; however, stimulant medications, taken on a consistent daily dose for at least 12-weeks are allowed. No changes in the dose of any stimulant medications are allowed during the study.
Patients enrolled in Cohort 2 must meet the following Exclusion Criteria:
Primary purpose
Allocation
Interventional model
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30 participants in 4 patient groups
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Central trial contact
Austin Rynders; Jeremy Evan, PA-C
Data sourced from clinicaltrials.gov
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