AveXis Presents Initial Data from Pivotal U.S. Trial for SMA Type 1 and 24-Month Follow-Up Data

- April 25th, 2018

AveXis (NASDAQ:AVXS), a clinical-stage gene therapy company developing treatments for patients suffering from rare and life-threatening neurological genetic diseases, will present initial results from the Type 1 U.S. Pivotal trial (STR1VE) and 24-month follow-up data from the Phase 1 trial of AVXS-101 for the treatment of spinal muscular atrophy (SMA) Type 1 at the 2018 … Continued

AveXis (NASDAQ:AVXS), a clinical-stage gene therapy company developing treatments for patients suffering from rare and life-threatening neurological genetic diseases, will present initial results from the Type 1 U.S. Pivotal trial (STR1VE) and 24-month follow-up data from the Phase 1 trial of AVXS-101 for the treatment of spinal muscular atrophy (SMA) Type 1 at the 2018 Annual Meeting of the American Academy of Neurology (AAN) Annual Meeting in Los Angeles.

As quoted in the press release:

Children’s Hospital of Philadelphia Infant Test of Neuromuscular Disorders (CHOP-INTEND) scores increased by an average of 7.8 at one month after gene transfer (in six patients) and 17.3 at three months after gene transfer (in three patients), reflecting improvement in motor function. These data correlate to CHOP-INTEND achievement by the proposed therapeutic dose cohort (Cohort 2) in the Phase 1 trial, which experienced mean increases of 9.8 points at one month and 15.4 points at three months. Early CHOP-INTEND increases have been observed to be associated with eventual milestone achievement.

The open-label, single-arm, single-dose, multi-center trial – known as STR1VE – is designed to evaluate the efficacy and safety of a one-time IV infusion of AVXS-101 of 1.1 x 1014 vector genomes/kg in patients with SMA Type 1 who are less than six months of age at the time of gene therapy, have one or two copies of the SMN2 backup gene as determined by genetic testing, and have bi-allelic SMN1 gene deletion or point mutations. The intent-to-treat population is defined as patients who are less than six months of age and symptomatic at the time of gene therapy, with two copies of the SMN2 gene as determined by genetic testing, bi-allelic SMN1 gene deletion and no c.859G>C mutation in SMN2.

Click here to read the full press release.

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