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Zinbryta, INN-Daclizumab 28 April 2016 EMA/458317/2016 Committee for Medicinal Products for Human Use (CHMP) Assessment report Zinbryta International non-proprietary name: daclizumab Procedure No. EMEA/H/C/003862/0000 Note Assessment report as adopted by the CHMP with all information of a commercially confidential nature deleted. 30 Churchill Place ● Canary Wharf ● London E14 5EU ● United Kingdom Telephone +44 (0)20 3660 6000 Facsimile +44 (0)20 3660 5555 Send a question via our website www.ema.europa.eu/contact An agency of the European Union © European Medicines Agency, 2016. Reproduction is authorised provided the source is acknowledged. Table of contents 1. Background information on the procedure .............................................. 6 1.1. Submission of the dossier ...................................................................................... 6 1.2. Steps taken for the assessment of the product ......................................................... 7 2. Scientific discussion ................................................................................ 9 2.1. Executive summary .............................................................................................. 9 2.2. Quality aspects .................................................................................................. 12 2.2.1. Introduction .................................................................................................... 12 2.2.2. Active Substance ............................................................................................. 12 2.2.3. Finished Medicinal Product ................................................................................ 17 2.2.4. Discussion on chemical, pharmaceutical and biological aspects .............................. 20 2.2.5. Conclusions on the chemical, pharmaceutical and biological aspects ...................... 21 2.2.6. Recommendations for future quality development ............................................... 21 2.3. Non-clinical aspects ............................................................................................ 21 2.3.1. Introduction .................................................................................................... 21 2.3.2. Pharmacology ................................................................................................. 21 2.3.3. Pharmacokinetics............................................................................................. 22 2.3.4. Toxicology ...................................................................................................... 22 2.3.5. Ecotoxicity/environmental risk assessment ......................................................... 28 2.3.6. Discussion on non-clinical aspects...................................................................... 29 2.3.7. Conclusion on the non-clinical aspects ................................................................ 29 2.4. Clinical aspects .................................................................................................. 29 2.4.1. Introduction .................................................................................................... 29 2.4.2. Pharmacokinetics............................................................................................. 33 2.4.3. Pharmacodynamics .......................................................................................... 37 2.4.4. Discussion and conclusions on clinical pharmacology. ........................................... 37 2.5. Clinical efficacy .................................................................................................. 38 2.5.1. Dose response study(ies) and Main study(ies) ..................................................... 38 2.5.2. Discussion on clinical efficacy ............................................................................ 84 2.5.3. Conclusions on the clinical efficacy ..................................................................... 88 2.6. Clinical safety .................................................................................................... 88 2.6.1. Discussion on clinical safety ............................................................................ 102 2.6.2. Conclusions on the clinical safety ..................................................................... 103 2.7. Risk Management Plan ...................................................................................... 106 2.8. Pharmacovigilance ............................................................................................ 110 2.9. Product information .......................................................................................... 110 2.9.1. User consultation ........................................................................................... 110 2.9.2. Additional monitoring ..................................................................................... 110 2.10. New active substance claim ............................................................................. 110 2.10.1. Applicant’s position ...................................................................................... 110 2.10.3. CHMP Scientific evaluation of the Applicant’s position ....................................... 119 Assessment report EMA/458317/2016 Page 2/133 3. Benefit-Risk Balance............................................................................ 124 4. Recommendations ............................................................................... 132 Assessment report EMA/458317/2016 Page 3/133 List of abbreviations AI Autoinjector ADA Anti-Drug Antibody ADCC antibody-dependent cell-mediated cytotoxicity AED Antiepileptic Drug Use BPF Brain Parenchymal Fraction CBC Complete Blood Counts CDA Clinical Disease Activity CD cluster of differentiation CDC complement dependent cytotoxicity CDP Confirmed Disability Progression CSR Clinical Study Report DAC Daclizumab DAC HYP Daclizumab High Yield Process DDI Drug-Drug Interaction DIS Dissemination In Space DIT Dissemination In Time DMT Disease modifying Therapy ECL electrochemiluminescence ELISA enzyme linked immunosorbent assay FAS Full Analysis Set FS Functional Score Gd Gadolinium GD-CEL Gadolinium Contrast Enhancing Lesion GLP Good Laboratory practice HLT High Level Term HV Healthy Volunteer IAR infusion-associated reactions IL Interleukin INEC Independent Neurology Evaluation Committee Assessment report EMA/458317/2016 Page 4/133 ISS Integrated summary of safety mAb monoclonal Antibody MeDRA Medical Dictionary for Regulatory Activities MRI Magnetic Resonance imaging MS Multiple Sclerosis MSFC Multiple Sclerosis Functional Composite MSIS-29 Multiple Sclerosis Impact Scale-29 N/A Not Applicable NAb Neutralising antibody NCI CTCAE National Cancer Institute Common Terminology Criteria for Adverse Events PPMS Primary Progressive Multiple Sclerosis QoL Quality of Life PFP PreFilled Pen PFS PreFilled Syringe PIP Pediatric Investigation Plan RAP Relapse Adjudication Panel RMP Risk Management Plan RMS Relapsing Remitting Sclerosis RRMS Relapsing Remitting Multiple Sclerosis SAD Sustained Accumulation of Disability SC Subcutaneous SCS Summary of Clinical Safety SF-12 SF-12R Health survey SRD Sustained Reduction in Disability (reverse of SAD) Assessment report EMA/458317/2016 Page 5/133 1. Background information on the procedure 1.1. Submission of the dossier The applicant Biogen Idec Ltd submitted on 6 March 2015 an application for Marketing Authorisation to the European Medicines Agency (EMA) for Zinbryta, through the centralised procedure falling within the Article 3(1) and point 1 of Annex of Regulation (EC) No 726/2004. The applicant applied for the following indication: Zinbryta is indicated in adult patients for the treatment of relapsing forms of multiple sclerosis (RMS). The legal basis for this application refers to: Article 8.3 of Directive 2001/83/EC - complete and independent application The applicant indicated that daclizumab was considered to be a new active substance. The application submitted is composed of administrative information, complete quality data, non-clinical and clinical data based on the applicant’s own tests and studies and/or bibliographic literature substituting/supporting certain tests or studies. Information on Paediatric requirements Pursuant to Article 7 of Regulation (EC) No 1901/2006, the application included an EMA Decision P/0147/2014 on the agreement of a paediatric investigation plan (PIP). At the time of submission of the application, the PIP P/0147/2014 was not yet completed as some measures were deferred. Information relating to orphan market exclusivity Similarity Pursuant to Article 8 of Regulation (EC) No. 141/2000 and Article 3 of Commission Regulation (EC) No 847/2000, the applicant did not submit a critical report addressing the possible similarity with authorised orphan medicinal products because there is no authorised orphan medicinal product for a condition related to the proposed indication. Applicant’s request for consideration New active Substance status The applicant requested the active substance daclizumab contained in the above medicinal product to be considered as a new active substance in comparison to the known daclizumab previously authorised in the European Union as Zenapax and claimed that daclizumab (Zinbryta) is a biological substance previously authorised as a medicinal product in the European Union, but differing from the known daclizumab previously authorised in the EU as Zenapax in molecular structure, nature of
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