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Abstract Details

FIREFISH Part 1: Survival, Ventilation and Swallowing Ability in Infants with Type 1 SMA Receiving Risdiplam (RG7916)
Child Neurology and Developmental Neurology
S25 - Child Neurology: Spinal Muscular Atrophy: Treatments and Outcomes (2:17 PM-2:28 PM)
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Type 1 SMA is a debilitating neuromuscular disease, in which untreated babies require nutritional assistance, permanent ventilation, and typically die before 2 years of age. SMA is caused by reduced levels of the survival of motor neuron (SMN) protein from deletions and/or mutations in the SMN1 gene. A second SMN gene, SMN2, produces only low levels of functional SMN protein. Risdiplam (RG7916/RO7034067) is an investigational, orally administered, centrally and peripherally distributed small molecule that modulates SMN2 pre-mRNA splicing to increase SMN protein levels.

To determine the event-free survival rates (defined as alive and no need for permanent ventilation) and swallowing ability in babies with Type 1 spinal muscular atrophy (SMA) receiving risdiplam in the FIREFISH Part 1 dose-finding study.

FIREFISH (NCT02913482) is an ongoing, multicenter, open-label, operationally seamless study of risdiplam in infants aged 1–7 months at enrollment with Type 1 SMA and two SMN2 gene copies. Exploratory Part 1 (n=21) assesses the safety, tolerability, pharmacokinetics and pharmacodynamics of different risdiplam dose levels. Confirmatory Part 2 (n=40) is assessing the safety and efficacy of risdiplam.

A Part 1 interim analysis (data cut-off September 7th 2018), showed 19/21 babies (90.5%) were event-free at 10.5 months of age compared with 50% of babies at the same age (with two SMN2 gene copies) in natural history studies.1 In Part 1, as of September 7th 2018, no surviving infant has required tracheostomy, reached permanent ventilation or lost the ability to swallow. Updated data on event-free survival rates and swallowing ability will be presented based on 1-year data from the trial.

In the FIREFISH Part 1 dose-finding study, event-free survival rates were improved in babies with Type 1 SMA receiving risdiplam compared with babies of the same age in natural history studies.

 

Reference: 1. Finkel R, et al. Neurology 2014; 83:810–818.

Authors/Disclosures
Laurent Servais (John Radcliffe Hospital)
PRESENTER
Laurent Servais has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Biogen. Laurent Servais has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Roche. Laurent Servais has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novartis. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Astellas. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Pfizer. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sarepta. The institution of Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Evox. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for PTC. Laurent Servais has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Sysnav. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for BioHaven. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Dyne. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Zentech. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving as a Consultant for MitoRx. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lupin. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Fibrogen. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Alltrana. Laurent Servais has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Illumina. Laurent Servais has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. The institution of Laurent Servais has received research support from Roche. The institution of Laurent Servais has received research support from Novartis. The institution of Laurent Servais has received research support from Biogen. The institution of Laurent Servais has received research support from Zentech. The institution of Laurent Servais has received research support from BioHaven. The institution of Laurent Servais has received research support from PerkinHalmers. The institution of Laurent Servais has received research support from Scholar Rock.
Giovanni Baranello No disclosure on file
John W. Day, MD, PhD (Stanford University School of Medicine) Dr. Day has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis Gene Therapy. Dr. Day has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Day has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche/Genentech. Dr. Day has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sarepta. Dr. Day has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Avidity. Dr. Day has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for PepGen. Dr. Day has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Epirium Bio. Dr. Day has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Solid Biosciences. Dr. Day has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Muscular Dystrophy Association. The institution of Dr. Day has received research support from Astellas Pharma. The institution of Dr. Day has received research support from Novartis Gene Therapy. The institution of Dr. Day has received research support from Biogen. The institution of Dr. Day has received research support from Roche/Genentech. The institution of Dr. Day has received research support from Sanofi/Genzyme. The institution of Dr. Day has received research support from Sarepta. The institution of Dr. Day has received research support from Scholar Rock. The institution of Dr. Day has received research support from AMO Pharma. The institution of Dr. Day has received research support from AnnJi. Dr. Day has received research support from CureSMA. The institution of Dr. Day has received research support from Muscular Dystrophy Association. The institution of Dr. Day has received research support from Ionis Pharmaceuticals. The institution of Dr. Day has received research support from NMD Pharma. The institution of Dr. Day has received research support from SMA Foundation. Dr. Day has received intellectual property interests from a discovery or technology relating to health care.
No disclosure on file
No disclosure on file
No disclosure on file
Basil T. Darras, MD (Children'S Hosp Boston Harvard Med School) The institution of Dr. Darras has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Amicus. Dr. Darras has received personal compensation in the range of $0-$499 for serving on a Scientific Advisory or Data Safety Monitoring board for Amicus. The institution of Dr. Darras has received research support from National Institutes of Health/National Institute of Neurological Disorders and Stroke,. The institution of Dr. Darras has received research support from Slaney Family Fund for SMA. The institution of Dr. Darras has received research support from Spinal Muscular Atrophy Foundation. The institution of Dr. Darras has received research support from CureSMA. The institution of Dr. Darras has received research support from Working on Walking Fund . The institution of Dr. Darras has received research support from CHERISH, CS2/CS12 . The institution of Dr. Darras has received research support from Biogen for CS11. The institution of Dr. Darras has received research support from AveXis. The institution of Dr. Darras has received research support from Sarepta Pharmaceuticals. The institution of Dr. Darras has received research support from PTC Therapeutics. The institution of Dr. Darras has received research support from Roche. The institution of Dr. Darras has received research support from Santhera. The institution of Dr. Darras has received research support from Scholar Rock. The institution of Dr. Darras has received research support from Fibrogen. The institution of Dr. Darras has received research support from Summit. Dr. Darras has received publishing royalties from a publication relating to health care. Dr. Darras has received publishing royalties from a publication relating to health care.
No disclosure on file
Heidemarie Kletzl Heidemarie Kletzl has received personal compensation for serving as an employee of Hoffmann-La Roche.
No disclosure on file
No disclosure on file
Timothy Seabrook No disclosure on file
Christian Czech, PhD No disclosure on file
No disclosure on file
No disclosure on file
No disclosure on file
Ksenija Gorni Dr. Gorni has received personal compensation for serving as an employee of Hoffman La Roche.
Omar Khwaja, MD No disclosure on file