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Erratum to: An exploratory randomised double-blind and placebo-controlled phase 2 study of a combination of baclofen, naltrexone and sorbitol (PXT3003) in patients with Charcot-Marie-Tooth disease type 1A
Orphanet Journal of Rare Diseases volume 11, Article number: 92 (2016)
Unfortunately, the original version of this article  contained an error due to a typographical error in the computer code used. This meant the percentage improvement over baseline of the endpoints CMTNS, ONLS, 9HPT and DML was slightly increased. Therefore some of the values in Tables 3, 4, Additional file 4: Table S4 and Fig. 4 are incorrect.
However this error has no bearing on statistical outcome of the study, the conclusions or text of the manuscript. Correct versions of Tables 3, 4 and Fig. 4 can be seen below and Additional file 4 accessed using the link below.
Attarian S, Vallat JM, Magy L, Funalot B, Gonnaud PM, Lacour A, Péréon Y, Dubourg O, Pouget J, Micallef J, Franques J, Lefebvre MN, Ghorab K, Al-Moussawi M, Tiffreau V, Preudhomme M, Magot A, Leclair-Visonneau L, Stojkovic T, Bossi L, Lehert P, Gilbert W, Bertrand V, Mandel J, Milet A, Hajj R, Boudiaf L, Scart-Grès C, Nabirotchkin S, Guedj M, Chumakov I, Cohen D. An exploratory randomised double-blind and placebo-controlled phase 2 study of a combination of baclofen, naltrexone and sorbitol (PXT3003) in patients with Charcot-Marie-Tooth disease type 1A. Orphanet J Rare Dis. 2014;9:199.
The online version of the original article can be found under doi:10.1186/s13023-014-0199-0.
Response to PXT3003 on efficacy outcomes (Full Analysis Set, n = 80). Data are mean (s.d.) baseline and final values, and % (s.d.) of improvement for each treatment group and PLI. Differences between treatment groups were assessed by Analysis of Covariance (Ancova) on log-transformed values by adjusting for baseline values. Estimates were provided as mean percentage change over baseline (90 % CI). Dose-effect was tested through Spearman’s rank correlation. P-values are one-tailed. CMTNS = Charcot-Marie-Tooth Neuropathy Score; ONLS = Overall Neuropathy Limitations Scale; 6MWT = 6-Minute Walk Test; 9HPT = 9-Hole Peg Test; CMAP = Amplitudes of Compound Muscle Action Potentials; MCV = Motor Conduction Velocity; DML = Distal Motor Latency; SNAP = Amplitudes of Sensory Nerve Action Potentials; SCV = Sensitive Conduction Velocity; VAS = Visual Analog Scale; CGI = Clinical Global Impression. (DOC 168 kb)
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Attarian, S., Vallat, JM., Magy, L. et al. Erratum to: An exploratory randomised double-blind and placebo-controlled phase 2 study of a combination of baclofen, naltrexone and sorbitol (PXT3003) in patients with Charcot-Marie-Tooth disease type 1A. Orphanet J Rare Dis 11, 92 (2016). https://doi.org/10.1186/s13023-016-0463-6