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Completed

NCT Number: NCT04783935

Extension to the MAGNIFY MS Trial on Mavenclad® (Magnify MS Extension)

The primary purpose of this study was to evaluate the long-term effectiveness of Mavenclad® tablets, in terms of disease activity and safety, in participants with highly-active relapsing multiple sclerosis (RMS) previously participating in the MAGNIFY MS trial MS700568_0022 (NCT03364036).

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Liverpool Hospital, Liverpool, Australia

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participants of the MAGNIFY Multiple Sclerosis (MS) trial who received at least a single dose of cladribine tablets during the MAGNIFY MS trial and data on Magnetic resonance imaging (MRI) is available/acquired from at least parent study Month 18 or Month 24 visit and Expanded Disability Status Scale (EDSS) and relapse from parent study Month 24 visit
  • Capable of giving signed informed consent

Exclusion criteria

  • Participant is considered by the Investigator, for any reason, to be an unsuitable candidate for the study
  • Participation in other studies/trials

Treatment and study plan

Mavenclad®

Drug

No intervention was administered as a part of this study. Participants who had received Mavenclad® up to 2 years (Year 1 and 2) in the parent study MS700568_0022 (NCT03364036) were enrolled into this extension study and will be assessed up to 2 years follow-up (Year 3 and 4).

Other names: Cladribine

Primary outcomes

  1. Percentage of Participants With No Evidence of Disease Activity (Three Parameter [NEDA-3]) During Year 3 to 4

    Time frame: Year 3 to 4 after the initial dose of Mavenclad® tablets in parent study

    The definition of NEDA-3 encompasses a combination of the following 3 related measures of disease activity: No relapses, no confirmed disability progression sustained for 12 weeks as measured on EDSS, and no magnetic resonance imaging (MRI) disease activity, defined as no gadolinium-enhancing (GdE) lesions and no new or enlarging T2 lesions. NEDA-3 was analyzed with the Kaplan-Meier (KM) time-to-event method to reduce the impact of unknown/missing information. EDSS assesses disability in 8 functional systems. An overall score ranging from 0 (normal) to 10 (death due to MS) was calculated. An EDSS progression was defined as an increase of the EDSS score of at least 1.5 point compared to baseline for participants with a baseline EDSS of 0. For participants with an EDSS score between 0.5 and 4.5 at baseline (SD1), EDSS progression was defined as an increase of at least 1 point. For participants with baseline EDSS score of 5, EDSS progression was defined as an increase of at least 0.5.

Secondary outcomes

  1. Percentage of Participants With No Evidence of Disease Activity (Three Parameter [NEDA-3]) at Year 3 and at Year 4

    Time frame: At Year 3 and 4 after the initial dose of Mavenclad® tablets in parent study

    The definition of NEDA-3 encompasses a combination of the following 3 related measures of disease activity: No relapses, no confirmed disability progression sustained for 12 weeks as measured on EDSS, and no magnetic resonance imaging (MRI) disease activity, defined as no gadolinium-enhancing (GdE) lesions and no new or enlarging T2 lesions. NEDA-3 was analyzed with the Kaplan-Meier (KM) time-to-event method to reduce the impact of unknown/missing information. EDSS assesses disability in 8 functional systems. An overall score ranging from 0 (normal) to 10 (death due to MS) was calculated. An EDSS progression was defined as an increase of the EDSS score of at least 1.5 point compared to baseline for participants with a baseline EDSS of 0. For participants with an EDSS score between 0.5 and 4.5 at baseline (SD1), EDSS progression was defined as an increase of at least 1 point. For participants with baseline EDSS score of 5, EDSS progression was defined as an increase of at least 0.5.

  2. Percentage of Participants With No Evidence of Disease Activity (Three Parameter [NEDA-3]) After the Start of Study Medication During the Parent Study Until the End of Year 3 and Year 4

    Time frame: After the initial dose of Mavenclad® tablets in parent study until the end of Year 3 and 4

    The definition of NEDA-3 encompasses a combination of the following 3 related measures of disease activity: No relapses, no confirmed disability progression sustained for 12 weeks as measured on EDSS, and no magnetic resonance imaging (MRI) disease activity, defined as no gadolinium-enhancing (GdE) lesions and no new or enlarging T2 lesions. NEDA-3 was analyzed with the Kaplan-Meier (KM) time-to-event method to reduce the impact of unknown/missing information. EDSS assesses disability in 8 functional systems. An overall score ranging from 0 (normal) to 10 (death due to MS) was calculated. An EDSS progression was defined as an increase of the EDSS score of at least 1.5 point compared to baseline for participants with a baseline EDSS of 0. For participants with an EDSS score between 0.5 and 4.5 at baseline (SD1), EDSS progression was defined as an increase of at least 1 point. For participants with baseline EDSS score of 5, EDSS progression was defined as an increase of at least 0.5.

  3. Percentage of Participants Remaining Three Parameter No Evidence of Disease Activity (NEDA-3) During Year 3 or 4 Among Those With NEDA-3 During Year 1 or 2

    Time frame: At Year 3 and 4 after the initial dose of Mavenclad® tablets in parent study

    The definition of NEDA-3 encompasses a combination of the following 3 related measures of disease activity: No relapses, no confirmed disability progression sustained for 12 weeks as measured on EDSS, and no magnetic resonance imaging (MRI) disease activity, defined as no gadolinium-enhancing (GdE) lesions and no new or enlarging T2 lesions. NEDA-3 was analyzed with the Kaplan-Meier (KM) time-to-event method to reduce the impact of unknown/missing information. EDSS assesses disability in 8 functional systems. An overall score ranging from 0 (normal) to 10 (death due to MS) was calculated. An EDSS progression was defined as an increase of the EDSS score of at least 1.5 point compared to baseline for participants with a baseline EDSS of 0. For participants with an EDSS score between 0.5 and 4.5 at baseline (SD1), EDSS progression was defined as an increase of at least 1 point. For participants with baseline EDSS score of 5, EDSS progression was defined as an increase of at least 0.5.

  4. Time to First Disease Activity During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad tablets in parent study until the end of extension study (approximately 2 years)

    Time to first disease activity is defined as the time to first occurrence of either qualifying relapse, or 6-month confirmed disability progression (6mCDP), or new or enlarging T2-hyperintense lesions (active T2 lesions), or new T1 Gd+ lesions. The 6MCDP during Extension Study Period is defined as sustained increase in EDSS score that started during the Period. Six-month CDP was considered.

  5. Time to First Disease Activity During up to Parent and Extension Study Period (4 Years)

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    Time to first disease activity is defined as the time to first occurrence of either qualifying relapse, or 6MCDP, or new or enlarging T2-hyperintense lesions (active T2 lesions), or new T1 Gd+ lesions. The 6MCDP during Extension Study Period is defined as sustained increase in EDSS score that started during the Period. Six-month CDP was considered.

  6. Time to First New or Enlarging T2 Lesion During Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    Time taken for newly enlarging T2 lesions to show up is measured by follow-up MRI.

  7. Time to First New T1 Gadolinium Enhancing (Gd+) Lesion During Parent and Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    Time taken for newly enlarging T1 Gadolinium Enhancing (Gd+) Lesion to show up is measured by follow-up MRI. Kaplan - Meier estimates were used for calculation of data.

  8. Time to First Confirmed Disability Progression (CDP) as Measured by Expanded Disability Status Scale (EDSS) During Parent and Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    EDSS assesses disability in 8 functional systems. An overall score ranging from 0 (normal) to 10 (death due to MS) was calculated. An EDSS progression was defined as an increase of the EDSS score of at least 1.5 point compared to baseline for participants with a baseline EDSS of 0. For participants with an EDSS score between 0.5 and 4.5 at baseline (SD1), EDSS progression was defined as an increase of at least 1 point. For participants with baseline EDSS score of 5, EDSS progression was defined as an increase of at least 0.5. Kaplan - Meier estimates were used for calculation of data.

  9. Time to First Qualifying Relapse During Parent and Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    A qualifying relapse is defined as new, worsening or recurrent neurological symptoms attributed to Multiple Sclerosis (MS) that last for at least 24 hours without fever or infection, or adverse reaction to prescribed medication, preceded by a stable or improving neurological status of at least 30 days. Kaplan - Meier estimates were used for calculation of data.

  10. Time to Recurrent Qualifying Relapse During Parent and Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    A qualifying relapse is defined as new, worsening or recurrent neurological symptoms attributed to Multiple Sclerosis (MS) that last for at least 24 hours without fever or infection, or adverse reaction to prescribed medication, preceded by a stable or improving neurological status of at least 30 days. Kaplan - Meier estimates were used for calculation of data.

  11. Time to Treatment Start With Other Disease Modifying Drugs (DMDs) During Parent and Extension Study Period

    Time frame: From the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 4 years)

    Time to Treatment Start with Other Disease Modifying Drugs (DMDs) During Parent and Extension Study Period. Kaplan - Meier estimates were used for calculation of data.

  12. Time to First New or Enlarging T2 Lesion During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    Time taken for newly enlarging T2 Gadolinium Enhancing (Gd+) Lesion to show up is measured by follow-up MRI. Kaplan - Meier estimates were used for calculation of data.

  13. Time to First New T1 Gadolinium Enhancing (Gd+) Lesion During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    Time taken for newly enlarging T1 Gadolinium Enhancing (Gd+) Lesion to show up is measured by follow-up MRI. Kaplan - Meier estimates were used for calculation of data.

  14. Time to First Confirmed Disability Progression (CDP) as Measured by Expanded Disability Status Scale (EDSS) During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    The EDSS is an ordinal clinical rating scale in half-point increments. It assesses the following eight functional systems, areas of the central nervous system that control bodily functions: Pyramidal (ability to walk), Cerebellar (coordination), Brain stem (speech and swallowing), Sensory (touch and pain), Bowel and bladder functions, Visual, Mental, Other (includes any other neurological findings due to Multiple Sclerosis [MS]). EDSS overall score ranging from 0 (normal) to 10 (death due to MS). The 6MCDP during Extension Study Period is defined as sustained increase in EDSS score that started during the Period. Six-month CDP was considered.

  15. Time to First Qualifying Relapse During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    A qualifying relapse is defined as new, worsening or recurrent neurological symptoms attributed to Multiple Sclerosis (MS) that last for at least 24 hours without fever or infection, or adverse reaction to prescribed medication, preceded by a stable or improving neurological status of at least 30 days. Kaplan - Meier estimates were used for calculation of data.

  16. Time to Recurrent Qualifying Relapse During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    A qualifying relapse is defined as new, worsening or recurrent neurological symptoms attributed to Multiple Sclerosis (MS) that last for at least 24 hours without fever or infection, or adverse reaction to prescribed medication, preceded by a stable or improving neurological status of at least 30 days.

  17. Time to Treatment Start With Other Disease Modifying Drugs (DMDs) During Extension Study Period

    Time frame: From Month 24 after the initial dose of Mavenclad® tablets in parent study until the end of extension study (approximately 2 years)

    Time to Treatment Start with Other Disease Modifying Drugs (DMDs) During Parent and Extension Study Period. Kaplan - Meier estimates were used for calculation of data.

  18. Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Time frame: From Month 24 after the initial dose of Mavenclad tablets in parent study until the end of extension study (approximately 2 years)

    An adverse event (AE) was defined as any untoward medical occurrence in a participant. An AE was any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with use of a study intervention. A serious adverse event (SAE) was any untoward medical occurrence that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial or prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important.

Sponsors and collaborators

Lead sponsor

Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

Industry

Registry information

Official study title

A 2-year Extension Study to Evaluate Long-term Effectiveness of Mavenclad® in Participants Who Have Completed Trial MS700568_0022 (MAGNIFY MS) (Magnify MS Extension)

Important dates

Study start
2021
Primary completion
2023
Study completion
2023
First posted
Mar 5, 2021
Registry last updated
Jan 22, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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