.
Start a patient on SPINRAZA
Learn about SMA

Discover a treatment for SMA that’s directly delivered to the central nervous system to target an underlying cause of motor neuron loss in SMA.1,2

have been treated with SPINRAZA worldwide3*

there’s someone from almost every age group who has taken SPINRAZA1,3

have been treated with SPINRAZA worldwide3*

*Based on commercial patients, early access patients, and clinical trial participants through December 2019.
†Includes clinical trial patients.
‡Clinical studies of SPINRAZA did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger patients.
§Based on commercial patients in the US (including Puerto Rico) through December 2019.

How does SPINRAZA work?

SPINRAZA is an antisense oligonucleotide
designed to target an underlying cause of
motor neuron loss in SMA.1

Learn more

Proven efficacy in a broad range of SMA types

SPINRAZA is the treatment that’s been studied in the longest clinical trial program in SMA to date.3

The most common side effects of SPINRAZA include lower respiratory infection, pyrexia, constipation, headache, vomiting, back pain, and post-lumbar puncture syndrome. These are not all of the possible side effects of SPINRAZA.

Discover the data

SEE SAFETY PROFILE

10,000+ patients have been treated
with SPINRAZA worldwide3*

Hear from patients

*Based on commercial patients, early access
patients, and
clinical trial participants through
December 2019.

Individual results may vary based on several factors, including severity of disease, initiation of treatment, and duration of therapy.

Get to know our patient support

The Biogen SMA360°™ support program provides services for patients and their families that address nonmedical barriers to access.

Explore SMA360°

a later-onset adult patient with spinal muscular atrophy on SPINRAZA

“When you’re living with
SMA, it really is about
the small victories.”

—Bill

IMPORTANT SAFETY INFORMATION

Coagulation abnormalities and thrombocytopenia, including acute severe thrombocytopenia, have been observed after administration of some antisense oligonucleotides. Patients may be at increased risk of bleeding complications.

In the sham-controlled studies for patients with infantile-onset and later-onset SMA, 24 of 146 SPINRAZA-treated patients (16%) with high, normal, or unknown platelet count at baseline developed a platelet level below the lower limit of normal, compared to 10 of 72 sham-controlled patients (14%). Two SPINRAZA-treated patients developed platelet counts <50,000 cells per microliter, with the lowest level of 10,000 cells per microliter recorded on study day 28.

Renal toxicity, including potentially fatal glomerulonephritis, has been observed after administration of some antisense oligonucleotides. SPINRAZA is present in and excreted by the kidney. In the sham-controlled studies for patients with infantile-onset and later-onset SMA, 71 of 123 SPINRAZA-treated patients (58%) had elevated urine protein, compared to 22 of 65 sham-controlled patients (34%).

Laboratory testing and monitoring to assess safety should be conducted. Perform a platelet count, coagulation laboratory testing, and quantitative spot urine protein testing at baseline and prior to each dose of SPINRAZA and as clinically needed.

Severe hyponatremia was reported in an infant treated with SPINRAZA requiring salt supplementation for 14 months.

Cases of rash were reported in patients treated with SPINRAZA.

SPINRAZA may cause a reduction in growth as measured by height when administered to infants, as suggested by observations from the controlled study. It is unknown whether any effect of SPINRAZA on growth would be reversible with cessation of treatment.

The most common adverse reactions (≥20% of SPINRAZA-treated patients and ≥5% more frequently than in control patients) that occurred in the infantile-onset controlled study were lower respiratory infection and constipation. Serious adverse reactions of atelectasis were more frequent in SPINRAZA-treated patients (18%) than in control patients (10%). Because patients in this controlled study were infants, adverse reactions that are verbally reported could not be assessed. The most common adverse reactions that occurred in the later-onset controlled study were pyrexia, headache, vomiting, and back pain. Post-lumbar puncture syndrome has also been observed after the administration of SPINRAZA.

INDICATION

SPINRAZA is indicated for the treatment of spinal muscular atrophy (SMA) in pediatric and adult patients.

Please see full Prescribing Information.

As a courtesy, our full Prescribing Information is also available en Español. For prescribing decisions, please refer to official approved labeling.

References

1. SPINRAZA [prescribing information]. Cambridge, MA: Biogen; 2020. 2. Food and Drug Administration, Center for Drug Evaluation and Research. Nusinersen clinical pharmacology and biopharmaceutics review(s). White Oak, MD; 2016. 3. Biogen Data on File [as of 12/19].

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