Multiple SclerosisNCT05797740
Cladribine Tablets Level of Response Predictors in Clinical Practice (CLODINA)
An observational study of Multiple Sclerosis, run by Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany at 30 sites in 6 countries.
Trial summary
This study aims to describe participants characteristics that can predict the safety and effectiveness of cladribine tablets, as assessed by time-to-discontinuation of treatment with cladribine tablets, and to assess other patient-reported, clinical, and imaging outcomes in participants with relapsing multiple… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Multiple Sclerosis
- What is being tested?
- Mavenclad
- Type of treatment
- Pill or oral medicine
- How many people
- 366 participants
- Where
- 30 sitesin 6 countries
- Study dates
- 3 Aug 2023to 31 Jan 2029
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: This study enrolls participants with a confirmed diagnosis of RMS (with high disease activity) who have been prescribed, have initiated, or have completed/discontinued treatment with cladribine tablets per the decision of the treating physician.
Who may be able to join
- Adult participants, male or female patients ≥ 18 years old at index date
- Participants must voluntarily give written informed consent form (ICF). Patients must read and fully understand the ICF
- Participants with confirmed diagnosis of RMS at index date, diagnosed by the treating physician according to applicable clinical practice guidelines (currently McDonald 2017 criteria), with high disease activity.
- Required historical data should be available: number of relapses in the 12 months prior to index date, DMTs taken prior to index date, date of MS diagnosis, and data of at least 1 MRI prior to index date as specified in the drug Summary of Product Characteristics (SmPC)
- Fulfillment of the indication for treatment with cladribine tablets at index date, per standard of care in accordance with the local SmPC
- Meeting 1 of the following criteria:
- Prospective participants: Having been prescribed with cladribine tablets or having taken at least one dose of cladribine tablets, with enrollment date prior to the second treatment week
- Retrospective participants: Having taken at least one dose of cladribine tablets, with enrollment date during or after the second treatment week but not more than 3 years after the first dose of cladribine tablets
Who cannot join
- Contraindications to use of cladribine tablets according to the SmPC.
- Any participant who had the first dose of cladribine tablets more than 3 years prior to enrollment
- Any participant who is pregnant or plans to breast-feed while taking cladribine tablets, or any patient who or whose partner plans to become pregnant in Year 1 or within 6 months after the last dose in Year 2, or any participants who is unwilling or unable to use contraception per the SmPC
- Have participated or participating in an interventional study since cladribine tablet initiation, in which participant assessment and/or treatment may be dictated by a protocol
- Participants who, at the discretion of the Investigator, will not be able to provide reliable information for the study
Trial locations and contacts
30 sites in 6 countries.
30 sites in 6 countries
Greece13 sites
University of Thrace, Medical School - Neurology Department, Alexandroupoli
Alexandroupoli
Aiginiteio' Hospital
Athens
Attikon
Athens
Evagelismos
Athens
General Miliary Hospital of Athens "401"
Athens
University of Ioannina - Neurology department
Ioannina
University Hospital of Larissa
Larissa
General Hospital "Agios Andreas"
Pátrai
University of Patras
Pátrai
AHEPA University Hospital of Thessaloniki
Thessaloniki
General Hospital of Athens G.Gennimatas
Thessaloniki
Interbalkan Hospital of Thessaloniki
Thessaloniki
St Luke's Clinic
Thessaloniki
Czechia5 sites
FN u sv. Anny Brno
Brno
FN Hradec Králové
Hradec Králové
NeuropsychiatrieHK
Hradec Králové
Fakultni nemocnice Ostrava
Ostrava
Nemocnice Teplice
Teplice
Belgium4 sites
UCL Saint Luc
Brussels
UZ Antwerpen
Edegem
AZ Groeninge vzw
Kortrijk
CHU Sart Tilman
Liège
Portugal4 sites
Centro Hospitalar e Universitario de Coimbra
Coimbra
Centro Hospitalar Lisboa Norte Hospital de Santa Maria
Lisbon
Centro Hospitalar Universitário Lisboa Central - Hospital dos Capuchos
Lisbon
Centro Hospitalar de São João E. P. E.
Porto
Poland3 sites
Oddział Kliniczny Neurologii, Szpital Uniwersytecki w Krakowie
Krakow
Medical Academy Neurology Clinic
Poznan
Szpital Kliniczny Nr 1 Pomorskiego Uniwersytetu Medycznego w Szczecinie
Szczecin
About this study
This study aims to describe participants characteristics that can predict the safety and effectiveness of cladribine tablets, as assessed by time-to-discontinuation of treatment with cladribine tablets, and to assess other patient-reported, clinical, and imaging outcomes in participants with relapsing multiple sclerosis (RMS) in the long term, in a real-world setting.
- Conditions
- Multiple Sclerosis
- Being tested
- Mavenclad
- Keywords
- Multiple Sclerosis, Relapsing Multiple Sclerosis, Mavenclad, Cladribine Tablets
- Medical subject headings
- Multiple Sclerosis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
MavencladDrug
Also called Cladribine
This is an observational study, participants who received cladribine tablets in routine clinical practice following the SmPC will be included.
| Study group | Role | What they receive |
|---|---|---|
| Single cohort | This is a single cohort study enrolling Participants with relapsing multiple sclerosis (RMS), who are prescribed treatment with cladribine tablets in routine clinical practice following the summary of product characteristics (SmPC). Receives: Drug: Mavenclad |
What is being measured
The primary outcome is the main question the study is designed to answer.
Time to Discontinuation of Treatment with Cladribine tablets
Measured: Up to 48 months
Secondary outcomes (23)
Percentage of participants Receiving Each of The Possible Number of Annual Treatment Courses with Cladribine Tablets
Measured: Baseline, 12 months, 24 months, 36 months and 48 months
Cumulative Cladribine Dose
Measured: Up to 48 months
Number of Relapses
Measured: Baseline, 12 months, 24 months, 36 months and 48 months
Proportion of Severe Relapses
Measured: Baseline, 12 months, 24 months, 36 months and 48 months
Percentage of Participants Free From Relapse
Measured: Year 2 and Year 4
Time From Onset of Relapse to Recovery
Measured: Up to Month 48
Annualized Relapse Rate (ARR)
Measured: At Year 2 and Year 4
Percentage of Participants Free From Magnetic Resonance Imaging (MRI) Activity
Measured: At Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with Minimal MRI Activity (=< 2 New T2 Lesions)
Measured: At Year 1, Year 2, Year 3 and Year 4
Timed 25-Foot Walk (T25FW) Score
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with an Increase and Decrease in Timed 25-Foot Walk (T25FW) Score of At Least 20% From Baseline at Year 1, 2, 3 and 4
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
9-Hole Peg Test (9HPT) Score
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with an Increase and Decrease in 9-Hole Peg Test (9HPT) Score of At Least 20% From Baseline at Year 1, 2, 3 and 4
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Progressed, Improved, or Stable Disability as Assessed by Expanded Disability Status Scale (EDSS) Confirmed Over 6 Months
Measured: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Sustained Disability Progression, Improvement, or Stability Confirmed Over 6 Months as Assessed by T25FW Score
Measured: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Sustained Disability Progression, Improvement, or Stability Confirmed Over 6 Months as Assessed by 9HPT Score
Measured: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Minimal Evidence of Disease Activity (MEDA)
Measured: Year 2 and Year 4
Percentage of Participants With No Evidence of Disease Activity (NEDA-3)
Measured: Year 2 and Year 4
Multiple Sclerosis Impact Scale (MSIS-29) Physical Domain Score, Psychological Domain Score and Total Score
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
EuroQol 5-Dimensions (EQ-5D-5L) Score
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Global Satisfaction, Effectiveness, Side Effects, and Convenience Domain Scores of Treatment Satisfaction Questionnaire for Medication (TSQM)
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Treatment Cost of Disease-Modifying Treatment (DMTs)
Measured: Up to 48 months
EuroQol Visual Analog Scale (EQ-VAS) Score
Measured: Baseline, Year 1, Year 2, Year 3 and Year 4
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Apr 2023
- Study start3 Aug 2023
- Primary completion31 Jan 2029 (estimated)
- Study completion31 Jan 2029 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Multiple SclerosisStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Other
- Enrolment
- 366 participants (actual)
Sponsor and investigators
- Lead sponsor
- Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Medical Responsible, Study director, Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05797740
- Sponsor's protocol ID
- MS700568_0213
- Status last verified
- Oct 2026
- First submitted
- 22 Mar 2023
- Last updated
- 3 Nov 2026
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 3 Nov 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Cladribine Tablets Level of Response Predictors in Clinical Practice (CLODINA)
- ClinicalTrials.gov ID
- NCT05797740
- Acronym / sponsor ID
- MS700568_0213
- Conditions
- Multiple Sclerosis
- Keywords
- Multiple Sclerosis, Relapsing Multiple Sclerosis, Mavenclad, Cladribine Tablets
- Study type
- Observational
- Recruitment status
- Active, not recruiting
- Enrolment
- 366 participants (actual)
- Lead sponsor
- Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, GermanyIndustry (pharma, biotech, devices)
- Study start
- 3 Aug 2023 (actual)
- Primary completion
- 31 Jan 2029 (estimated)
- Study completion
- 31 Jan 2029 (estimated)
- First posted
- 4 Apr 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study aims to describe participants characteristics that can predict the safety and effectiveness of cladribine tablets, as assessed by time-to-discontinuation of treatment with cladribine tablets, and to assess other patient-reported, clinical, and imaging outcomes in participants with relapsing multiple sclerosis (RMS) in the long term, in a real-world setting.
Study design
- Observational model
- Cohort
- Time perspective
- Other
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Single cohort | – | Drug: MavencladThis is a single cohort study enrolling Participants with relapsing multiple sclerosis (RMS), who are prescribed treatment with cladribine tablets in routine clinical practice following the summary of product characteristics (SmPC). |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- This study enrolls participants with a confirmed diagnosis of RMS (with high disease activity) who have been prescribed, have initiated, or have completed/discontinued treatment with cladribine tablets per the decision of the treating physician.
Key inclusion criteria (8 listed)
- Adult participants, male or female patients ≥ 18 years old at index date
- Participants must voluntarily give written informed consent form (ICF). Patients must read and fully understand the ICF
- Participants with confirmed diagnosis of RMS at index date, diagnosed by the treating physician according to applicable clinical practice guidelines (currently McDonald 2017 criteria), with high disease activity.
- Required historical data should be available: number of relapses in the 12 months prior to index date, DMTs taken prior to index date, date of MS diagnosis, and data of at least 1 MRI prior to index date as specified in the drug Summary of Product Characteristics (SmPC)
- Fulfillment of the indication for treatment with cladribine tablets at index date, per standard of care in accordance with the local SmPC
Key exclusion criteria (5 listed)
- Contraindications to use of cladribine tablets according to the SmPC.
- Any participant who had the first dose of cladribine tablets more than 3 years prior to enrollment
- Any participant who is pregnant or plans to breast-feed while taking cladribine tablets, or any patient who or whose partner plans to become pregnant in Year 1 or within 6 months after the last dose in Year 2, or any participants who is unwilling or unable to use contraception per the SmPC
- Have participated or participating in an interventional study since cladribine tablet initiation, in which participant assessment and/or treatment may be dictated by a protocol
- Participants who, at the discretion of the Investigator, will not be able to provide reliable information for the study
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| MavencladAlso: CladribineThis is an observational study, participants who received cladribine tablets in routine clinical practice following the SmPC will be included. | Drug | Single cohort |
Primary outcome
Time to Discontinuation of Treatment with Cladribine tablets
Time frame: Up to 48 months
23 secondary outcomes
Percentage of participants Receiving Each of The Possible Number of Annual Treatment Courses with Cladribine Tablets
Time frame: Baseline, 12 months, 24 months, 36 months and 48 months
Cumulative Cladribine Dose
Time frame: Up to 48 months
Number of Relapses
Time frame: Baseline, 12 months, 24 months, 36 months and 48 months
Proportion of Severe Relapses
Time frame: Baseline, 12 months, 24 months, 36 months and 48 months
Percentage of Participants Free From Relapse
Time frame: Year 2 and Year 4
Time From Onset of Relapse to Recovery
Time frame: Up to Month 48
Annualized Relapse Rate (ARR)
Time frame: At Year 2 and Year 4
Percentage of Participants Free From Magnetic Resonance Imaging (MRI) Activity
Time frame: At Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with Minimal MRI Activity (=< 2 New T2 Lesions)
Time frame: At Year 1, Year 2, Year 3 and Year 4
Timed 25-Foot Walk (T25FW) Score
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with an Increase and Decrease in Timed 25-Foot Walk (T25FW) Score of At Least 20% From Baseline at Year 1, 2, 3 and 4
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
9-Hole Peg Test (9HPT) Score
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants with an Increase and Decrease in 9-Hole Peg Test (9HPT) Score of At Least 20% From Baseline at Year 1, 2, 3 and 4
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Progressed, Improved, or Stable Disability as Assessed by Expanded Disability Status Scale (EDSS) Confirmed Over 6 Months
Time frame: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Sustained Disability Progression, Improvement, or Stability Confirmed Over 6 Months as Assessed by T25FW Score
Time frame: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Sustained Disability Progression, Improvement, or Stability Confirmed Over 6 Months as Assessed by 9HPT Score
Time frame: Year 1, Year 2, Year 3 and Year 4
Percentage of Participants With Minimal Evidence of Disease Activity (MEDA)
Time frame: Year 2 and Year 4
Percentage of Participants With No Evidence of Disease Activity (NEDA-3)
Time frame: Year 2 and Year 4
Multiple Sclerosis Impact Scale (MSIS-29) Physical Domain Score, Psychological Domain Score and Total Score
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
EuroQol 5-Dimensions (EQ-5D-5L) Score
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Global Satisfaction, Effectiveness, Side Effects, and Convenience Domain Scores of Treatment Satisfaction Questionnaire for Medication (TSQM)
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Treatment Cost of Disease-Modifying Treatment (DMTs)
Time frame: Up to 48 months
EuroQol Visual Analog Scale (EQ-VAS) Score
Time frame: Baseline, Year 1, Year 2, Year 3 and Year 4
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Nov 2026.
- Trial Awareness and Transparency websiteLink provided by the sponsor.
- Medical Information Location Map - Med Info ContactsLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Medical Responsible study director
Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
30 sites in 6 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Multiple Sclerosis, run by Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany at 30 sites in 6 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 8 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 3 Nov 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 30 sites in Greece, Czechia, Belgium, Portugal, Poland and 1 more country. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Time to Discontinuation of Treatment with Cladribine tablets (time frame: Up to 48 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Nov 2026.