| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
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| E.1.1.1 | Medical condition in easily understood language  | 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Nervous System Diseases [C10] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 17.1 | 
 
| E.1.2 | Level  | PT | 
 
| E.1.2 | Classification code  | 10028245 | 
 
| E.1.2 | Term  | Multiple sclerosis | 
 
| E.1.2 | System Organ Class  | 10029205 - Nervous system disorders | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To describe efficacy, tolerability and convenience of teriflunomide treatment through the evaluation of PROs   | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
- To describe disease progression using PRO  
 - To describe clinical outcomes (ie treated relapses) in teriflunomide treated patients  
 - To describe the change in cognition in teriflunomide treated patients 
 - To describe safety of teriflunomide in patients treated (based on adverse event reporting)
 - To describe adherence and persistence to teriflunomide treatment  
 - To describe quality of life, activity and leisure over the period of teriflunomide treatment
 - To compare patient determined disease steps (PDDS) (1) and expanded disability status scale (EDSS) (2) in assessing MS disease progression   | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
- Patients with a relapsing form of MS (RMS)
 - Having signed  written informed consent   | 
 
 
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| E.4 | Principal exclusion criteria | 
- ACCORDING TO LOCAL LABELING
 - 18 years of age  
 - Current or history of receiving teriflunomide   
 - Previous treatment with leflunomide within 6 months prior to baseline  
 - Patients with preexisting acute or chronic liver disease, or those with serum alanine aminotransferase (ALT) greater than 2 times the upper limit of normal (ULN)  
 - Known history of active tuberculosis (TB) or latent TB infection, either diagnosed by standard medical practice and guidelines (including skin or blood test, as appropriate) or according to local labeling  
 - Known history of severe immunodeficiency, acquired immunodeficiency syndrome (AIDS), bone marrow disease, acute or severe active infections
 - Women who are pregnant or breast-feeding
 - Female patients with a positive pregnancy test at screening or women of child-bearing potential who do not agree to use reliable contraception throughout the course of the study
 - Male patients (only when required according to local labeling): unwilling to use reliable contraception during the course of the study 
 - Additional exclusion criteria applicable for EU countries (in accordance with contraindications of EU SmPC)
 * Patients with significantly impaired bone marrow function or significant anaemia, leucopenia, neutropenia or thrombocytopenia
 * Patients with severe active infection until resolution
 * Patients with several renal impairment undergoing dialysis, because insufficient clinical experience is available in this patient group
 * Patients with severe hypoproteinaemia, e.g. in nephrotic syndrome
 - Hypersensitivity to the active substance or to any of the excipients 
 - Other additional contraindications per local labeling | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Assessment at 48 weeks (W48/EOT) of global satisfaction with teriflunomide treatment, measured by the Treatment Satisfaction Questionnaire for Medicine (TSQM) version 1.4 score  | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
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| E.5.2 | Secondary end point(s) | 
1 - Change in TSQM version 1.4 from baseline to W4 and to W48/EOT of teriflunomide treatment in patients switching from another DMT
 2 - Change in TSQM version 1.4 from W4 to W48/EOT in naïve patients
 3 - Disease progression: change from baseline to W48/EOT of teriflunomide treatment, measured by the Patient Determined Disease Steps (PDDS) scale  
 4 - Disease progression: change from baseline to W24 and to W48/EOT of teriflunomide treatment, measured by the Multiple Sclerosis Performance Scale (MSPS) score (4, 5)
 5 - Clinical outcomes: treated relapse, time to first treated relapse 
 6 - Change in cognition: change from baseline to W48/EOT of teriflunomide treatment as measured by the Symbol Digit Modalities Test (SDMT) score  
 7 - Occurrence of adverse events (AEs) based on AE reporting at each visit   
 8 - Adherence (ie, compliance) and persistence (ie, duration of exposure) to teriflunomide treatment over 48 weeks 
 9 - Quality of life: change from baseline to W48/EOT of teriflunomide treatment, measured by the Multiple Sclerosis International Quality of Life (MusiQoL) score (6) and Stern leisure activity scale (7).  
 10 - EDSS score at baseline and at W48/EOT    | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
1 - Baseline to W4 and W4 to W48
 2 - W4 to W48
 3 - Baseline to W48
 4 - Baseline to W24 and W24 to W48
 5 - Over 48 weeks
 6 - Baseline to W48
 7/8 - Over 48 weeks
 9 - Baseline to W48
 10 - At baseline and at W48
 
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| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  No  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  Yes  | 
| E.6.13.1 | Other scope of the trial description | 
| convenience and adherence of teriflunomide treatment | 
 
 
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| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  Yes  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  No  | 
| E.8.1.1 | Randomised |  No  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  No  | 
| E.8.1.5 | Parallel group |  No  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  No  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 1 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 2 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 119 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Canada | 
 
| Chile | 
 
| Switzerland | 
 
| United States | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  No  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
| Last Subject Last Visist (LSLV) | 
 
 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months | 5 | 
| E.8.9.1 | In the Member State concerned days | 15 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial months | 5 | 
| E.8.9.2 | In all countries concerned by the trial days | 15 |