ClinConnect ClinConnect Logo
Search / Trial NCT03993171

31P-MRS Imaging to Assess the Effects of CNM-Au8 on Impaired Neuronal Redox State in Multiple Sclerosis.

Launched by CLENE NANOMEDICINE · Jun 18, 2019

Trial Information

Current as of May 01, 2025

Active, not recruiting

Keywords

Neurodegeneration Gold Nanoparticle Nad+ Redox 31 P Mrs Multiple Sclerosis Magnetic Resonance Spectroscopy Nanocrystal Nadh Primary Progressive Multiple Sclerosis Relapsing Multiple Sclerosis

ClinConnect Summary

The REPAIR-MS trial is a research study looking at a new treatment called CNM-Au8 for people with Multiple Sclerosis (MS). The main goal of this trial is to see how CNM-Au8 affects the brain's metabolism and to evaluate its safety. It is open to adults aged 18 to 70 who have been diagnosed with either Relapsing MS or certain types of Progressive MS. Participants must have stable disease activity and be on consistent MS medications.

If you or someone you know is considering joining the trial, you can expect to undergo a brain imaging test that helps track changes over 12 weeks. The study is currently recruiting participants, and it's important to know that not everyone with MS will qualify; there are specific criteria that must be met, such as having a stable treatment plan and no recent serious health issues. Overall, this trial could provide valuable insights into potential new ways to manage MS.

Gender

ALL

Eligibility criteria

  • Patients enrolled in Cohort 1 must meet the following Inclusion Criteria:
  • 1. At least 18 years of age and up to 55 years (inclusive) of age at Screening.
  • 2. Clinical diagnosis of Relapsing Multiple Sclerosis (RMS) (meeting McDonald criteria, 2017).
  • 3. Diagnosis of MS no longer than 15 years prior to Screening.
  • 4. Stable treatment with natalizumab, defined as a stable dose maintained at the standard infusion interval of 28-days (±5 days) for at least the prior six (6) months.
  • 5. Stable disease activity based on the Investigator's judgment over the prior three (3) months.
  • 6. Any hematological parameters and/or biochemical parameters that fall outside the Within Normal Limits range at Screening must be assessed as Not Clinically Significant (NCS) and deemed stable or transient in nature.
  • 7. Able to understand and give written informed consent.
  • Patients enrolled in Cohort 2 must meet the following Inclusion Criteria:
  • 1. Male or female, aged 18 - 70 years or age (inclusive);
  • 2. Diagnosis of primary progressive multiple sclerosis (PPMS) or nonactive secondary progressive multiple sclerosis (SPMS), according to revised 2017 McDonald criteria at the Screening visit;
  • 3. EDSS score at the Screening visit of less than or equal to 6.5 (inclusive);
  • 4. Participants must be taking either B-cell depleting therapy (e.g., ocrelizumab, rituximab) or S1P modulator therapy (e.g., siponimod) with consistent stable dosing for at least 48 weeks prior to the Screening visit;
  • 5. Any hematological parameters and/or biochemical parameters that fall outside the Within Normal Limits range at Screening must be assessed as Not Clinically Significant (NCS) and deemed stable or transient in nature; and
  • 6. Able to understand and give written informed consent.
  • Patients enrolled in Cohort 1 must meet the following Exclusion Criteria:
  • 1. Patients with a clinical relapse requiring systemic steroid treatment within the prior three (3) months.
  • 2. Patients treated with any other MS therapy other than natalizumab; or treated with clemastine fumarate.
  • 3. 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.
  • 4. Based on the Investigator's judgment, patients who may have difficulty complying with the protocol and/or study procedures.
  • 5. 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.
  • 6. 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.
  • 7. 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).
  • 8. Patients participating in any other investigational drug trial or using an investigational drug (within 12 weeks prior to screening and thereafter).
  • 9. Positive screen for drugs of abuse or known alcohol abuse.
  • 10. 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.
  • 11. 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.
  • 12. Patients with implanted metal objects in their body that may be affected by an MRI procedure.
  • 13. Patients who are claustrophobic or otherwise unlikely to be able to complete the MRI scanning procedures.
  • 14. Patients with a history of gold allergy.
  • 15. 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.
  • 16. 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).
  • 17. 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.
  • 18. 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:
  • 1. History of MS relapses or gadolinium-enhancing lesions seen on brain MRI scans within the five (5) years prior to the Screening visit.
  • 2. History of AQP4, MOG Ab(+) status, or documented ≥ 3 contiguous segment lesion in the spinal cord.
  • 3. Any diagnosis other than PPMS or SPMS that could explain a participant's signs and symptoms.
  • 4. Participants taking any MS disease-modifying therapy other than Bcell depleting therapy (e.g., ocrelizumab, rituximab) or S1P modulator therapy (e.g., siponimod), or not taking disease modifying therapy.
  • 5. 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.
  • 6. Based on the Investigator's judgment, patients who may have difficulty complying with the protocol and/or study procedures.
  • 7. 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.
  • 8. 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.
  • 9. 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).
  • 10. Patients participating in any other investigational drug trial or using an investigational drug (within 12 weeks prior to screening and thereafter).
  • 11. Positive screen for drugs of abuse or known alcohol abuse.
  • 12. 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.
  • 13. 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.
  • 14. Patients with implanted metal objects in their body that may be affected by an MRI procedure.
  • 15. Patients who are claustrophobic or otherwise unlikely to be able to complete the MRI scanning procedures.
  • 16. Patients with a history of gold allergy.
  • 17. 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.

About Clene Nanomedicine

Clene Nanomedicine is a pioneering biotechnology company focused on developing innovative nanotherapeutics to address unmet medical needs across various neurological and autoimmune disorders. By leveraging its proprietary nanotechnology platform, Clene aims to create targeted therapies that enhance therapeutic efficacy while minimizing side effects. Committed to advancing patient care, the company conducts rigorous clinical trials to evaluate the safety and efficacy of its products, fostering a multidisciplinary approach that integrates scientific research, clinical insights, and patient engagement. Through its dedication to innovation and excellence, Clene Nanomedicine is at the forefront of transforming treatment paradigms in the field of medicine.

Locations

Dallas, Texas, United States

Patients applied

0 patients applied

Trial Officials

Peter Sguigna, MD

Principal Investigator

University of Texas Southwestern Medical Center

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

Similar Trials