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Neuromuscular disorders : NMD





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We report results from a phase 2, randomized, double-blind, 2-period trial (48 weeks each) of domagrozumab and its open-label extension in patients with Duchenne muscular dystrophy (DMD). Of 120 ambulatory boys (aged 6 to <16 >years) with DMD, 80 were treated with multiple ascending doses (5, 20, and 40 mg/kg) of domagrozumab and 40 treated with placebo. The primary endpoints were safety and mean change in 4-stair climb (4SC) time at week 49. Secondary endpoints included other functional tests, pharmacokinetics, and pharmacodynamics. Mean (SD) age was 8.4 (1.7) and 9.3 (2.3) years in domagrozumab- and placebo-treated patients, respectively. Difference in mean (95% CI) change from baseline in 4SC at week 49 for domagrozumab vs placebo was 0.27 (-7.4 to 7.9) seconds (p = 0.94). There were no significant between-group differences in any secondary clinical endpoints. Most patients had ≥1 adverse event in the first 48 weeks; most were mild and not treatment-related. Median serum concentrations of domagrozumab increased with administered dose within each dose level. Non-significant increases in muscle volume were observed in domagrozumab- vs placebo-treated patients. Domagrozumab was generally safe and well tolerated in patients with DMD. Efficacy measures did not support a significant treatment effect. identifiers: NCT02310763 and NCT02907619.


© 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (

This article was originally published as:

Wagner, K. R., Abdel-Hamid, H. Z., Mah, J. K., Campbell, C., Guglieri, M., Muntoni, F., Takeshima, Y., McDonald, C. M., Kostera-Pruszczyk, A., Karachunski, P., Butterfield, R. J., Mercuri, E., Fiorillo, C., Bertini, E. S., Tian, C., Statland, J., Sadosky, A. B., Purohit, V. S., Sherlock, S. P. ... Wong, B. L. (2020). Randomized phase 2 trial and open-label extension of domagrozumab in Duchenne muscular dystrophy. Neuromuscular Disorders, 30, p. 492 - 502. DOI:

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Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

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