Roche’s Evrysdi™ approved by Swissmedic as first and only at home treatment for spinal muscular atrophy (SMA) in Switzerland

• Evrysdi has proven efficacy in adults, children and babies two months and older, as shown in two pivotal clinical trials
• More than 3,000 patients globally now treated with Evrysdi in clinical trials, compassionate use and real-world settings
  

Basel, 20 May 2021 - Roche (SIX: RO, ROG; OTCQX: RHHBY) today announced that the Swiss agency for therapeutic products (Swissmedic) has approved Evrysdi™ (risdiplam) for the treatment of 5q spinal muscular atrophy (SMA) in patients two months of age and older. SMA is a leading genetic cause of death in infants, and 5q SMA is the most common form of the disease. The condition causes muscle weakness and progressive loss of movement, and significant unmet need remains, particularly in adults living with this condition.

“We are pleased to be able to provide a new treatment option for people living with SMA in Switzerland. Evrysdi represents the first and only SMA treatment with proven efficacy that can be taken at home,” said Jean-Marc Häusler, M.D., Roche’s Country Medical Director in Switzerland. “By avoiding the need for in-hospital administration, Evrysdi can reduce the treatment burden on those living with SMA, their caregivers and the healthcare system.”

The approval is based on data from two clinical studies, designed to represent a broad spectrum of people living with SMA: FIREFISH in symptomatic Type 1 infants aged 2 to 7 months and SUNFISH in symptomatic Type 2 and 3 children and adults aged 2 to 25 years. SUNFISH is the first and only placebo-controlled trial to include adults with Types 2 and 3 SMA. Evrysdi demonstrated a favourable efficacy and safety profile, with the safety profile established across both trials.

The approval of Evrysdi was handled according to the Swissmedic fast track procedure. Swissmedic's accelerated approval procedure grants fast access to new therapies if the following conditions are cumulatively fulfilled: a. It is a promising prevention or therapy against a serious, disabling or life-threatening disease. b. Treatment options with previously approved drugs are either unavailable or unsatisfactory. c. A high therapeutic benefit is expected from the use of the new drug.

Evrysdi has been approved in 40 countries and submitted in a further 33 countries.

About FIREFISH
In FIREFISH, 29% (12/41; p<0.0001 compared to natural history) of infants treated with Evrysdi for 12 months were able to sit without support for at least five seconds, as assessed by the Gross Motor Scale of the Bayley Scales of Infant and Toddler Development Third Edition. This is a key motor milestone never achieved in the natural history of Type 1 SMA. In addition, 93% (38/41) of infants were alive and 85% (35/41) were event-free (alive with no permanent ventilation). Furthermore, 5% (2/41) of infants were able to stand with support, as measured by the Hammersmith Infant Neurological Examination, and 83% (34/41) were able to feed orally. 90% (37/41) had a CHOP-INTEND* score increase of at least 4 points, with 56% (23/41) achieving a score above 40; the median increase was 20 points. The median age at enrolment was 5.3 months.
*Children’s Hospital of Philadelphia Infant Test of Neuromuscular Disorders

About SUNFISH
In SUNFISH, children and adults treated with Evrysdi experienced a clinically meaningful and statistically significant improvement in motor function at 12 months compared to placebo (1.55 point mean difference; p=0.0156; Evrysdi: 1.36 points [95% CI: 0.61, 2.11]; placebo: -0.19 points [95% CI: -1.22, 0.84]), as measured by the change from baseline in the Motor Function Measure-32 (MFM-32) total score. Children and adults also experienced significant improvement in upper limb function, a key secondary endpoint, at 12 months compared to placebo (1.59 point mean difference; p=0.0469; Evrysdi: 1.61 points [95% CI: 1.00, 2.22]; placebo: 0.02 points [95% CI: -0.83, 0.87]), as measured by the change from baseline in the Revised Upper Limb Module (RULM). The median age at enrolment was nine years. Patients treated with Evrysdi for 2-years overall experienced maintenance of improvement in motor function between month 12 and month 24. The mean change from baseline for MFM32 was 1.83 (95% CI: 0.74, 2.92) and for RULM was 2.79 (95% CI: 1.94, 3.64).

Evrysdi demonstrated a favourable efficacy and safety profile, with the safety profile established across the FIREFISH and SUNFISH trials. The most common adverse events were upper respiratory tract infection, pneumonia, nasopharyngitis, pyrexia, constipation, rhinitis, diarrhoea, headache, cough and vomiting. There were no treatment-related safety findings leading to withdrawal from either study.

About Evrysdi™ (risdiplam)
Evrysdi is a survival motor neuron 2 (SMN2) splicing modifier designed to treat SMA caused by mutations in chromosome 5q that lead to SMN protein deficiency. Evrysdi is administered daily at home in liquid form by mouth or by feeding tube.

Evrysdi is designed to treat SMA by increasing and sustaining the production of the survival motor neuron (SMN) protein. SMN protein is found throughout the body and is critical for maintaining healthy motor neurons and movement.

Evrysdi is currently being evaluated in four multicentre trials in people with SMA:

• FIREFISH (NCT02913482) – an open-label, two-part pivotal clinical trial in infants with Type 1 SMA. Part 1 was a dose-escalation study in 21 infants with the primary objective of assessing the safety profile of Evrysdi in infants and determining the dose for Part 2. Part 2 is a pivotal, single-arm study of Evrysdi in 41 infants with Type 1 SMA treated for 2 years, followed by an open-label extension. Enrolment for Part 2 was completed in November 2018. The primary objective of Part 2 was to assess efficacy as measured by the proportion of infants sitting without support after 12 months of treatment, as assessed by the Gross Motor Scale of the Bayley Scales of Infant and Toddler Development – Third Edition (BSID-III) (defined as sitting without support for 5 seconds). The study met its primary endpoint.
• SUNFISH (NCT02908685) – a two part, double-blind, placebo controlled pivotal study in people aged 2-25 years with Types 2 or 3 SMA. Part 1 (n=51) determined the dose for the confirmatory Part 2. Part 2 (n=180) evaluated motor function using the total score of Motor Function Measure 32 (MFM-32) at 12 months. MFM-32 is a validated scale used to evaluate fine and gross motor function in people with neurological disorders, including SMA. The study met its primary endpoint.
• JEWELFISH (NCT03032172) – an open-label exploratory trial designed to assess the safety, tolerability, pharmacokinetics and pharmacodynamics in people with SMA aged 6 months to 60 years who received other investigational or approved SMA therapies prior to receiving Evrysdi. The study has completed recruitment (n=174).
• RAINBOWFISH (NCT03779334) – an open-label, single-arm, multicentre study, investigating the efficacy, safety, pharmacokinetics and pharmacodynamics of Evrysdi in babies (~n=25), from birth to six weeks of age (at first dose) with genetically diagnosed SMA who are not yet presenting with symptoms. The study is currently recruiting.

About SMA
SMA is a severe, progressive neuromuscular disease that can be fatal. It affects approximately one in 10,000 babies and is the leading genetic cause of infant mortality. SMA is caused by a mutation of the survival motor neuron 1 (SMN1) gene, which leads to a deficiency of SMN protein. This protein is found throughout the body and is essential to the function of nerves that control muscles and movement. Without it, nerve cells cannot function correctly, leading to muscle weakness over time. Depending on the type of SMA, an individual’s physical strength and their ability to walk, eat or breathe can be significantly diminished or lost.

About Roche in Neuroscience
Neuroscience is a major focus of research and development at Roche. Our goal is to pursue groundbreaking science to develop new treatments that help improve the lives of people with chronic and potentially devastating diseases.

Roche is investigating more than a dozen medicines for neurological disorders, including multiple sclerosis, neuromyelitis optica spectrum disorder, Alzheimer’s disease, Huntington’s disease, Parkinson’s disease, Duchenne muscular dystrophy and autism spectrum disorder. Together with our partners, we are committed to pushing the boundaries of scientific understanding to solve some of the most difficult challenges in neuroscience today.

About Roche
Roche is a global pioneer in pharmaceuticals and diagnostics focused on advancing science to improve people’s lives. The combined strengths of pharmaceuticals and diagnostics under one roof have made Roche the leader in personalised healthcare – a strategy that aims to fit the right treatment to each patient in the best way possible.

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