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NAGLAZYME® (galsulfase) improved endurance: 3-minute stair climb

NAGLAZYME 3-minute climb test

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  • Week 24: Patients treated with NAGLAZYME demonstrated statistically significant improvement in the rate of stair climbing compared to placebo at week 24.7

- The rate in the group treated with NAGLAZYME was 19.4±4.1 stairs/min at baseline, increasing to 26.9±4.1 stairs/min at week 24.1

- In the longitudinal analysis, the difference between the mean change in the rates for the NAGLAZYME and placebo patients was 5.7±2.9 stairs/min and approached statistical significance (P=0.053, model-based mean difference).1

- The placebo group showed a near constant rate of climb: 31.0±18.1 stairs/min at baseline and 32.6±19.6 at week 24.1

  • Week 96: In the group originally treated with NAGLAZYME, improvement in the rate of stair climbing was sustained through week 96.16

- At week 96, the group treated with NAGLAZYME showed a 13.1±2.0 stairs/min improvement from baseline. Additionally, there was an increase in the rates of stair climbing at week 96 compared with week 72 for this group.16,20

  • Crossover: The placebo group began taking NAGLAZYME at week 24. After 72 weeks on NAGLAZYME therapy, this crossover group showed a 11.1±10.0 stairs/min increase in stair-climbing rate from the beginning of the open-label extension period.1

*Fitted values.16
†By week 96, patients in the drug group had been taking NAGLAZYME for 96 weeks; patients in the placebo group had only been taking NAGLAZYME for the 72-week open-label extension period.
‡One patient in the placebo group left the study for reasons unrelated to treatment. Patients receiving placebo were switched to NAGLAZYME in the trial extension period.7
§One patient failed to complete the assessment.16

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References

  1. Wilcox WR. Lysosomal storage disorders: the need for better pediatric recognition and comprehensive care. J Pediatr. 2004;144(5 Suppl):S3–S14.
  1. Harmatz P, Giugliani R, Schwartz I, et al. Enzyme replacement therapy for mucopolysaccharidosis VI: a Phase 3, randomized, double-blind, placebo-controlled, multinational study of recombinant human N-acetylgalactosamine 4-sulfatase (recombinant human arylsulfatase B or rhASB) and follow-on, open-label extension study. J Pediatr. 2006;148:533-539.
  1. Wraith JE. The mucopolysaccharidoses: a clinical review and guide to management. Arch Dis Childhood. 1995;72:263–267.
  1. Harmatz RP. Mucopolysaccharidosis type VI. Emedicine. December 18, 2006. Available at: http://www.Emedicine.com/PED/topic1373.htm Accessed: November 4, 2008.