FDA Expands Dysport Use for Cerebral
Palsy-Related Spasticity

Catherine Cooper Nellist

July 14, 2020

The Food and Drug Administration has approved expanded use of Dysport to treat upper- and lower-limb spasticity – including that caused by cerebral palsy – for patients as young as 2 years and older, according to manufacturer Ipsen Biopharmaceuticals.

When Dysport (abobotulinumtoxinA) initially was approved for treating pediatric lower limb spasticity by the FDA in 2016, Ipsen was granted Orphan Drug exclusivity for children whose lower-limb spasticity was caused by cerebral palsy. In 2019, Dysport was approved by the FDA for treating of upper-limb spasticity in children 2 years older. But if that spasticity was caused by cerebral palsy, Dysport could be used to treat it only through Orphan Drug exclusivity granted to another manufacturer, according to an Ipsen press release.

“The proactive step to resolve the uncertainty created by the previous CP [cerebral palsy] carve out enables us as physicians to prescribe consistent therapy for pediatric patients experiencing both upper- and lower-limb spasticity,” Sarah Helen Evans, MD, division chief of rehabilitation medicine in the department of pediatrics at the Children’s Hospital of Philadelphia, said in the press release.

The most common adverse effects among children with lower-limb spasticity treated with Dysport were nasopharyngitis, cough, and pyrexia. Among children with upper-limb spasticity, the most common effects associated with Dysport treatment were upper respiratory tract infection and pharyngitis.

The press release also included a warning of the distant spread of the botulinum toxin from the area of injection hours to weeks afterward, causing symptoms including blurred vision, generalized muscle weakness, and swallowing and breathing difficulties that can be life threatening; there have been reports of death.

Suspected adverse effects can be reported to the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

This article originally appeared on MDedge.com.

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