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Mavenclad (Cladribine Tablets) Data in Multiple Sclerosis Journal Show an Even Greater Treatment Effect in Patients With Highly Active Multiple Sclerosis

SergVladimirov 05 мая. | 18:21
DARMSTADT, Germany, April 25, 2018 /PRNewswire/ --

- Post-hoc analysis from the 2-year CLARITY study demonstrated that Mavenclad reduced the risk of 6-month EDSS progression by 47% vs placebo

- Patients with highly active multiple sclerosis had an even greater treatment effect, reducing the risk by 82% vs placebo
Merck, a leading science and technology company, today announced the Multiple Sclerosis Journal publication of data outlining the effects of MAVENCLAD® (cladribine tablets) treatment on two subgroups of patients with highly active relapsing multiple sclerosis (MS)[1]. These results reaffirm the clinical and radiological efficacy previously demonstrated with MAVENCLAD treatment in patients with relapsing MS.

"This analysis provides valuable insights on the effect of Mavenclad on patients with ongoing disease activity despite treatment with platform therapy, as well as naïve patients with more relapses at baseline, who tend to do worse over time," said Prof. Gavin Giovannoni, a lead investigator in the CLARITY studies and Chair of Neurology, Barts and The London School of Medicine and Dentistry. "The efficacy data presented in this publication show an even greater risk reduction on expanded disability status scale (EDSS) progression with Mavenclad in patients with highly active MS."

In this post-hoc analysis, two clinically relevant definitions of high disease activity were selected to effectively identify patients more likely to experience disease progression. Patients from the CLARITY study with high disease activity were categorized by fulfilling one of two overlapping criteria, which reflect those included in the EU SmPC for MAVENCLAD:

• High Relapse Activity (HRA): Patients with ≥2 relapses during the year prior to study entry, whether on disease-modifying drug (DMD) treatment or not
• High Relapse Activity plus Disease Activity on Treatment (HRA + DAT): patients with ≥1 relapse and ≥1 T1 Gadolinium-enhancing (Gd) + or ≥9 T2 lesions during the year prior to study entry while on therapy with other DMDs, plus patients with ≥2 relapses during the year prior to study entry, whether on DMD treatment or not

"Merck is committed to deepening our understanding of the benefit-risk profile of this innovative MS treatment in patient populations with a high need for an effective disease-modifying therapy," said Luciano Rossetti, Head of Global R&D for the biopharma business of Merck.

HRA and HRA + DAT patients showed clinical and MRI responses to MAVENCLAD that were generally better than, or at least comparable with, the outcomes previously seen in the overall CLARITY study population. In both high disease subgroups, MAVENCLAD was shown to reduce the risk of 6-month EDSS progression by 82% vs placebo, compared to a 47% reduction in the overall CLARITY study population. The newly published analysis also evaluated disease-free status, showing that in the HRA + DAT subgroup, treatment with MAVENCLAD was significantly more likely to result in NEDA* (odds ratio† 7.82 (95% CI 4.03-15.19; p
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